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Academic literature on the topic 'Supercritical Fluid Technology'

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Published: 4 June 2021
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Journal articles on the topic "Supercritical Fluid Technology"

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King, M. B. "Supercritical Fluid Technology." Chemical Engineering Science 42, no. 6 (1987): 1515. http://dx.doi.org/10.1016/0009-2509(87)85026-1.

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Bott, T. R. "Supercritical fluid technology." Chemical Engineering Journal 36, no. 3 (November 1987): 195. http://dx.doi.org/10.1016/0300-9467(87)80028-x.

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Parhi, Rabinarayan, and Padilama Suresh. "SUPERCRITICAL FLUID TECHNOLOGY: A REVIEW." Journal of Advanced Pharmaceutical Science And Technology 1, no. 1 (January 30, 2013): 13–36. http://dx.doi.org/10.14302/issn.2328-0182.japst-12-145.

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RAZGONOVA, MAYYA PETROVNA. "SUPERCRITICAL FLUID TECHNOLOGY AND SUPERCRITICAL FLUID CHROMATOGRAPHY FOR APPLICATION IN GINSENG EXTRACTS." FARMACIA 67, no. 2 (March 27, 2019): 202–12. http://dx.doi.org/10.31925/farmacia.2019.2.2.

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Sato, Yoshiyuki. "Supercritical Fluid : Fundamental and Application Technology." Seikei-Kakou 24, no. 11 (October 20, 2012): 620–24. http://dx.doi.org/10.4325/seikeikakou.24.620.

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Ribas, Marcela M., Guilherme S. B. Sakata, Aline E. Santos, Camila Dal Magro, Gean Pablo S. Aguiar, Marcelo Lanza, and J. Vladimir Oliveira. "Curcumin cocrystals using supercritical fluid technology." Journal of Supercritical Fluids 152 (October 2019): 104564. http://dx.doi.org/10.1016/j.supflu.2019.104564.

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Gere, Dennis R., Raymond K. Houck, Frank Pacholec, and Athos C. P. Rosselli. "Supercritical fluid chromatography: A technology update." Fresenius' Zeitschrift für analytische Chemie 330, no. 3 (January 1988): 222–24. http://dx.doi.org/10.1007/bf00515610.

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Zhou, Cheng Hong, Yang Bai, and Ming Feng Hu. "Equipment Design for Supercritical Cleavage Technology." Applied Mechanics and Materials 496-500 (January 2014): 939–42. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.939.

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Thin film is a class of materials forming bonds in two dimensional plane, and graphene is the most famous among thin film. Layered crystal is the natural macroscopical collection stacked by thin film and thin film is usually obtained by exfoliating layered crystal. In practice, it is feasible to exfoliate thin film similar to graphene from layered crystal via supercritical cleavage. As supercritical fluid can diffuse into the interlayer space of layered crystal easily, once reduce the pressure of the supercritical system fast, supercritical fluid between layers expands and escapes form interlayer, consequently exfoliating layered crystal into few-layer structure. As the supercritical condition is almost strict for most of supercritical medium, it is meaningful to design a useable reaction kettle that can work in the strict supercritical environment. In this article, the experiment equipment designed is introduced and it works well in the supercritical practical cleavage process.
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Rahman, Atta ur. "Foreword (Supercritical Fluid Technology in Analytical Chemistry)." Current Analytical Chemistry 10, no. 1 (October 1, 2013): 1. http://dx.doi.org/10.2174/1573411011410010002.

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Rostagno, Mauricio. "Editorial (Supercritical Fluid Technology in Analytical Chemistry)." Current Analytical Chemistry 10, no. 1 (October 1, 2013): 2. http://dx.doi.org/10.2174/1573411011410010003.

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Dissertations / Theses on the topic "Supercritical Fluid Technology"

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Ahmed, Elizabeth Hannah. "Supercritical fluid technology for gastroretentive formulations." Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/27853/.

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The oral route for drug administration offers an efficient and convenient method for drug delivery. However, there is an assortment of drugs which exhibit narrow absorption windows in the upper small intestine and as a result demonstrate limited bioavailabilities. One approach in the improvement of bioavailability in these cases is to retain the delivery system proximal to the absorption window for a prolonged period of time. Although controlled release products are widely available on the market, marketed gastroretentive systems remain elusive. This work explores the manufacture and characterisation of a multi-unit gastroretentive system utilising the biocompatible polymer poly (lactic-coglycolic acid). The novel PGSS technique enables the production of PLGA particles whilst omitting the use of volatile organic solvents. Morphological and microCT analyses of the particles revealed a highly porous matrix with porosity values in the order of 30-40%. The relationship between porosity, density and in vitro floating ability for particles with sizes between 100-2000 J.1m revealed that particle size plays an important role; larger microparticles possess decreased density, higher porosity and increased buoyancy. Encapsulation of two model drugs, riboflavin and furosemide, was carried out during the processing step with high encapsulation efficiencies (80-100%) being revealed. Release of the drugs in PBS (pH7.4) was found to be sustained over a period of 24 hours with a decrease in cumulative release in simulated gastric fluid (pHl.2). The introduction of the hydrophilic polymer poly(ethylene glycol) was found to modulate release rate; PEG with a molecular weight equal of more than 3 KDa increased the rate of release in PBS media up to 20% over hrs, however this was not observed for release in SGF. A comparison of morphology prior to and following exposure to the release media confirms that the emergence of intricate porous channels on exposure to the release medium is related to an increase in release rate. In order to augment the gastroretentive potential of the system the mucoadhesive polymer, chitosan was incorporated both as a post processing surface modification and as part of the initial formulation. ToF-SIMS surface analysis confirmed the presence of chitosan at the surface of the particles in both cases. Initially the potential for the particles to interact with mucus was evaluated utilising in vitro tests. The presence of chitosan significantly improved adsorption of mucin to particles, as well as enhancing adhesion of particles to a mucus producing epithelial cell layer. The thiolated chitosan derivative chitosan-N-acetyl-cysteine demonstrated an increase in adhesion of mucin solution; however the modified chitosan resulted in a decrease in adhesion to mucus producing cell line which was considered to be a result of the mucolytic actions it may exert on the mucus layer. Oral administration of buoyant particles to a rat model improved the pharmacokinetics of the anti-hypoglycaemia drug metformin, with addition of mucoadhesive properties providing further improvement. This study demonstrates that introduction of buoyancy and mucoadhesion functionalities to particles prepared by the PGSS method could improve delivery of drugs demonstrating narrow absorption windows in the upper small intestine.
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Silva, Mara Lília Soares da. "Development of molecularly imprinted polymers using supercritical fluid technology." Doctoral thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/6697.

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Dissertação para obtenção do Grau de Doutor em Química Sustentável
Within the last decade, the interest in molecularly imprinted polymers (MIPs) has strongly increased because of their promising applications in separation processes, drug delivery, biomimetic sensing and catalysis. This thesis reports the development of MIPs using supercritical fluid technology as a viable and greener alternative to the synthesis and processing of these molecular recognition polymers. The affinity to the target molecule was introduced by means of non-covalent and semicovalent molecular imprinting and the performance of the materials was evaluated in specific applications of drug delivery, chiral chromatography and adsorption of environmental pollutants. The influence of experimental parameters, such as crosslinking degree, functional monomer nature and template: monomer ratio, on molecular recognition was investigated. The results show that it is possible to tune the affinity of the polymers by optimizing the imprinting reactional mixture. MIPs show higher loading capacities and affinity constants to the template molecule, both in supercritical and aqueous environments. Hybrid membranes were prepared by a scCO2-assisted phase inversion method, showing that imprinted particles can be immobilized into porous structures introducing affinity to the materials. Further, HPLC experiments attested that the synthesized MIPs have high selectivity towards the template, as an enantiomeric differentiation was achieved when the racemic mixture was loaded into the imprinted polymeric stationary phase. The work developed in this thesis contributes to the consolidation of scCO2 as alternative solvent and demonstrates the feasibility of synthesizing clean, easy-to-make and ready-to-use molecular recognition polymers using sustainable technologies.
Fundação Ciência e Tecnologia - grant SFRH/BD/31085/2006 and projects PTDC/QUI/66086/2006 and PTDC/QUI-QUI/102460/2008
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Meskar, Mahmoud. "Treatment of Petroleum Contaminated Soil using Supercritical Fluid Extraction (SFE) Technology." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/37393.

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In Canada, about 60% of contaminated sites involve petroleum hydrocarbon (PHC) contamination and most of these sites have been abandoned due to contamination. Among current technologies used for soil remediation, supercritical fluid extraction (SFE) is a relatively recent and potentially viable method. The main aim of this research was to investigate the application of SFE for removal of PHCs from contaminated soils. In the first phase, the effects of SFE operational parameters including fluid pressure, fluid temperature, time duration and mode of extraction on the removal efficiency of PHCs from a spiked sandy soil (with diesel fuel with a ratio of 5 wt%) were investigated. SFE experiments were performed at different pressures (15, 33 and 50 MPa) and temperatures (30, 75 and 120 °C). The combination of 10 min static mode followed by 10 min dynamic mode, repeated for 3 cycles (60 min in total) led to the highest PHC removal percentage. According to response surface methodology (RSM), the optimum pressure and temperature were found to be 50 MPa and 69.3 °C, respectively. According to experimental results, the optimum combination of pressure and temperature determined to be 33 MPa and 75 °C; which resulted in the extraction percentages of 99.2%, 91.7% and 86.1% for PHC F2, F3 and F4 fractions, respectively. In the second phase, the influence of several parameters including soil water content, soil pH and addition of modifier on PHCs removals from a field-contaminated sandy soil using SFE were experimentally investigated. SFE experiments were performed at 33 MPa pressure and temperatures of 45 and 75 °C. Three water content levels of 8%, 14% and 20% at two levels of pH 6.5 and 7.5 were investigated. The extraction of total petroleum hydrocarbon fractions (TPHF), the sum of F2, F3, and F4 fractions, decreased due to the increase in the water content from 8% to 20% at both pH 6.5 and 7.5. The difference of extractions of all PHC fractions at pH values of 6.5 and 7.5 were not statistically significant (at p < 0.05 confidence level) at all three water content levels and pH did not have a significant influence on the PHC removal efficiency. Addition of acetone as a modifier (33.7% TPHF removal) was more effective than hexanes (24.3% TPHF removal) to decrease the concentrations of PHCs for the field contaminated soil. In the third phase, the influence of soil texture and grain size on the extraction of PHC fractions was investigated. SFE experiments were performed at 33 MPa pressure and 75 °C temperature. Three types of soils (soil A, B and C) were spiked with diesel fuel with a ratio of 5 wt%. Soil A, B and C had different particle sizes and were categorized as sand, silt loam and clay, respectively. Soil A (sand) which had the largest particle size resulted in the highest TPHF removal percentage while soil C (clay) with the smallest particle size led to the lowest TPHF removal percentage. A higher clay content in soil C resulted in a lower extraction of PHCs. In the fourth phase, the effects of pressure and temperature on the extraction of PHC fractions from a clay soil spiked with diesel fuel with a ratio of 5 wt% were investigated. SFE experiments were performed at three pressures (15, 33 and 50 MPa) and temperatures (30, 75 and 120 °C). According to the statistical analysis including factorial design and RSM, the optimized combination of pressure and temperature was selected at 42.8 MPa and 120 °C; which resulted in the removal percentages of 74.9% and 65.6% for PHC F2 and F3 fractions, respectively. The optimum combination of pressure and temperature based on the experimental results was selected at 33 MPa and 120 °C that led to 70.3%, 58.4% and 32.6% removal of PHC F2, F3 and F4 fractions, respectively.
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Hafner, Kellye Padgett. "Design of solvent systems for supercritical fluid and high pressure applications." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/11211.

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Vandana, Vishnu. "Separation of taxol and related taxanes using supercritical fluids." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/10078.

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Collins, Niki Jane. "Construction of novel tissue engineering scaffolds using supercritical fluid gas foaming." Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/3184/.

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Three dimensional scaffolds were created from a biodegradable polymer (polylactide) and the mineral silica utilising supercritical fluid (SCF) gas foaming. The effect of silica on the scaffold pore architecture was investigated through X-ray computed microtomography (microCT); the scaffolds were shown to be up to 60% porous with pore diameters in the range of 0.088-0.924 mm (0% silica) to 0.044 – 0.342 mm (33.3% silica), demonstrating that silica controlled both pore size and overall scaffold porosity; Silica was found to enhance connectivity of the pores and pore wall thickness and pore connectivity were found have an inverse relationship. Differential scanning calorimetry (DSC) was used to investigate the effect of silica on the Tm, Tg and crystallinity of the PLA pre and post SCF processing; increases in ΔHf (4J/g) Tg (1oC) and crystallinity (3%) showed that silica had a beneficial effect pre-SCF but post-SCF the PLA reverted to an amorphous state; An isothermal conditioning process was found to restore the previous levels of crystallinity. Mechanical strength testing of the scaffolds showed that silica incorporation increased the load tolerated at yield by up to 60N and the strength by up to 1.5 mPa. The scaffolds were immersed in simulated body fluid (SBF), where the presence of silica was found to enhance mineral deposition by up to 10%; they were also subjected to degradation experiments in physiological saline solution and enzyme buffer solution, where degradation was found to occur most rapidly in the amorphous regions of the polymer (0% and 9.1% silica). The formation of degradation products (lactic acid, isopropanol and lactate) were monitored through HPLC. In conclusion, addition of silica up to a loading of 9.1-16.7% was found to have many beneficial effects on the PLA scaffolds but no observable benefit was found with additions higher than this.
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Zabot, Giovani Leone 1988. "Obtaining bioactive compounds from clove and rosemary using supercritical technology: influence of the bed geometry, process intensification and cost of manufacturing of extracts = Obtenção de compostos bioativos de cravo-da-índia e alecrim utilizando tecnologia supercrítica: influência da geometria do leito, intensificação de processos de extração e custo de manufatura dos extratos." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/254901.

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Orientador: Maria Angela de Almeida Meireles
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos
Made available in DSpace on 2018-08-26T17:00:04Z (GMT). No. of bitstreams: 1 Zabot_GiovaniLeone_D.pdf: 24740321 bytes, checksum: 93e515a410574c1037b0a53340db63d2 (MD5) Previous issue date: 2015
Resumo: Substâncias naturais extraídas de plantas têm propriedades funcionais que as tornam preferíveis em relação às substâncias sintéticas, havendo grande interesse para aplicação farmacológica e na elaboração de bioprodutos. Técnicas de extração, como a que utiliza fluidos supercríticos, vêm se destacando por proporcionarem a obtenção seletiva de compostos bioativos com elevada qualidade. No campo da tecnologia supercrítica, pesquisas são desenvolvidas para aumentar o rendimento de extração através da alteração de condições de processo, como pressão e temperatura. No entanto, há a necessidade de discriminar mais a influência tecno-econômica de outras variáveis, como a geometria do leito de extração. Em vista disso, realizou-se a avaliação técnica da extração com CO2 supercrítico de compostos bioativos de cravo-da-índia e alecrim em uma unidade de extração laboratorial constituída por dois extratores de 1 L com diferentes razões de altura do leito (HB) pelo diâmetro (DB), sendo para o extrator 1 (E-1) a razão de 7,1 e para o extrator 2 (E-2) a razão de 2,7. Dois critérios utilizados para mudança de geometria e aumento de escala foram aplicados, consistindo em: (1) manutenção da velocidade intersticial do solvente igual em ambas as geometrias; e (2) manutenção da razão de massa de solvente por massa de matéria-prima (S/F) igual em ambas as geometrias para um determinado tempo de processo. De acordo com os resultados cinéticos de rendimento de extrato e composição química, o critério (1) não se mostrou indicado para ser aplicado em processos de extração com fluidos supercríticos (SFE) de compostos de cravo-da-índia. O critério (2) mostrou-se apropriado para a obtenção de óleo volátil de cravo-da-índia, pois houve igualdade nos perfis das curvas de extração em E-1 e E-2, avaliados em termos de parâmetros cinéticos como taxa de transferência de massa, duração dos períodos de taxa constante de extração (CER) e taxa decrescente de extração (FER), rendimento de extrato e razão mássica de soluto no solvente. No entanto, o critério (2) não se mostrou adequado para a obtenção de compostos bioativos de alecrim, sendo que o leito de extração E-2 proporcionou rendimentos até 86 % maiores em relação ao E-1, sendo a diferença mais notória no final do período FER. Houve diferença também no custo de manufatura (COM) dos extratos de alecrim simulado pelo SuperPro Designer 8.5®, sendo 23 % menor em E-2 do que em E-1 para uma planta industrial com 2 extratores de 100 L. Com relação ao alecrim, terpenoides majoritários como 1,8-cineol e cânfora foram extraídos com CO2 supercrítico. No entanto, alguns compostos fenólicos foram extraídos em pequena quantidade (ácido carnósico) ou nem foram extraídos via SFE (ácido rosmarínico). Logo, o conceito de intensificação de processos foi utilizado para facilitar a extração das duas frações presentes em alecrim. O processo consistiu em extrair inicialmente a fração rica em terpenoides com CO2 supercrítico (SFE-CO2) e logo após, no mesmo equipamento e sem desempacotar o leito, a fração rica em terpenos fenólicos foi extraída com água líquida pressurizada (PWE). Com isso, aproximadamente 2,5 % (m/m, base seca) de óleo volátil contendo terpenoides e 18,6 % (m/m, base seca) de extrato não-volátil contendo terpenos fenólicos foram obtidos em frações separadas. Um método analítico para quantificação de terpenos fenólicos por cromatografia líquida de alta eficiência foi desenvolvido e validado, com tempo total de análise de apenas 10 min. O custo operacional anual de uma planta produtiva instalada no Brasil com 2 extratores de 100 L foi simulado para os processos SFE-CO2 + PWE para obtenção de compostos de alecrim. O aproveitamento maior da matriz vegetal para a obtenção diversificada de compostos bioativos permitiu a redução em 28 % dos custos anuais de produção em relação ao processo SFE-CO2
Abstract: Natural substances extracted from plants present functional properties which are preferable against the synthetic ones, being useful in formulating bioproducts and in the pharmaceutical area. Novel extraction techniques, as the use of supercritical fluids, are acquiring notoriety by providing the selective extraction of bioactive compounds with high quality. In the supercritical technology field, researches are performed to increase the extraction yield by changing process conditions (i.e., pressure, temperature). However, there is a need for further techno-economic discriminations about the influence of other variables, as the bed geometry. Thus, we performed the evaluation of the supercritical CO2 extraction of clove and rosemary bioactive compounds using a laboratory equipment containing two extractors of 1 L with different height (HB) to bed diameter (DB) ratios. Bed 1 (E-1) and 2 (E-2) present HB/DB ratios of 7.1 and 2.7, respectively. Two criteria used for geometry shift and scale up were applied: (1) maintaining the solvent interstitial velocity equal in both bed geometries; and (2) maintaining the solvent mass to feed mass (S/F) ratio equal in both bed geometries for a fixed processing time. According to the kinetic results of extraction yields and chemical composition, the criterion (1) is not indicated for supercritical fluid extraction (SFE) of rosemary compounds. Criterion (2) is suitable for obtaining clove extract, because the extraction curves profiles were similar in E-1 and E-2. We evaluated the extraction curves in relationship to kinetic parameters as mass transfer rate, duration of constant extraction rate (CER) and falling extraction rate (FER) periods, extraction yield and mass ratio of solute in the fluid phase. However, criterion (2) is inappropriate for obtaining rosemary bioactive compounds. E-2 provided extraction yields up to 86% higher than E-1. The difference was more pronounced in the end of FER period. We observed differences on the cost of manufacturing (COM) of rosemary extracts simulated by SuperPro Designer 8.5®. COM¿s were 23% lower in E-2 than in E-1 for an industrial plant of 2 extractors of 100 L. With respect to rosemary, major terpenoids as 1,8-cineole and camphor were extracted with supercritical CO2, while some phenolic compounds were low (carnosic acid) or no extracted (rosmarinic acid) using SFE. Thus, process intensification concept was used for becoming possible the extraction of two fractions of bioactive compounds found in rosemary. The procedure comprised the initial extraction of the terpenoids-rich fraction with supercritical CO2 (SFE-CO2) and, thereafter, in the same equipment without unloading the bed, performing the extraction of the polyphenols-rich fraction with pressurized water (PWE). Approximately 2.5 wt.% (dry basis) of volatile oil containing terpenoids and 18.6 wt.% (dry basis) of non-volatile extract containing phenolic terpenes were obtained in separated fractions. We developed and validated an analytical method for quantifying phenolic terpenes by high performance liquid chromatography, presenting a total time of analysis of 10 min. Also, we simulated the annual operating cost of a plant installed in Brazil containing 2 vessels of 100 L applying SFE-CO2 + PWE processes for obtaining rosemary compounds. The higher use of the vegetal matrix for diversifying the extraction of bioactive compounds enabled 28% reduction in the annual production costs whether compared to SFE-CO2 process alone
Doutorado
Engenharia de Alimentos
Doutor em Engenharia de Alimentos
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Sarup, Louise Santha. "Investigation of supercritical fluid technology to produce dry particulate formulations of antibody fragments." Thesis, University College London (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406707.

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Anitescu, Gheorghe. "Supercritical fluid technology applied to the production and combustion of diesel and biodiesel fuels." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2008. http://wwwlib.umi.com/cr/syr/main.

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Velaga, Sitaram P. "Preparation of Pharmaceutical Powders using Supercritical Fluid Technology : Pharmaceutical Applications and Physicochemical Characterisation of Powders." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4006.

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Books on the topic "Supercritical Fluid Technology"

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Bright, Frank V., and Mary Ellen P. McNally, eds. Supercritical Fluid Technology. Washington, DC: American Chemical Society, 1992. http://dx.doi.org/10.1021/bk-1992-0488.

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Johnston, Keith P., and Johannes M. L. Penninger, eds. Supercritical Fluid Science and Technology. Washington, DC: American Chemical Society, 1989. http://dx.doi.org/10.1021/bk-1989-0406.

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J, Krukonis Val, ed. Supercritical fluid extraction: Principles and practice. Boston: Butterworths, 1986.

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J, Krukonis Val, ed. Supercritical fluid extraction: Principles and practice. 2nd ed. Boston: Butterworth-Heinemann, 1994.

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Fornari, Tiziana. Supercritical fluid technology applied to the manufacture of prebiotic carbohydrates. Hauppauge, N.Y: Nova Science Publishers, 2009.

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Park, Geriann P. Supercritical fluids: Their time has come. Norwalk, CT: Business Communications Co., 1994.

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Arce, Pedro F. Fluid phase behavior of systems involving high molecular weight compounds and supercritical fluids. Hauppauge, N.Y: Nova Science Publishers, 2009.

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Abdulagatov, I. M., A. I. Abdulagatov, and Gennadiĭ Vladimirovich Stepanov. Isochoric heat capacity of fluids and fluid mixtures in the critical and supercritical regions: Experiment and theory. Hauppauge, N.Y: Nova Science Publishers, 2011.

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Chō rinkai ryūtai gijutsu to nanotekunorojī kaihatsu: Nano technology with supercritical fluids. Tōkyō-to Chiyoda-ku: Shīemushī Shuppan, 2010.

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Z, Shi, Feng S. H, and Chen J. S, eds. Hydrothermal reactions and techniques: The proceedings of the Seventh International Symposium on Hydrothermal Reactions, Changchun, China 14-18 December 2003. River Edge, N.J: World Scientific, 2003.

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Book chapters on the topic "Supercritical Fluid Technology"

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Aguiar-Ricardo, Ana, and Eunice Costa. "Supercritical Fluid Manufacture." In Pharmaceutical Inhalation Aerosol Technology, 327–47. Third edition. | Boca Raton, Florida : CRC Press, [2019] |: CRC Press, 2019. http://dx.doi.org/10.1201/9780429055201-13.

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Machmudah, Siti, Wahyudiono, Hideki Kanda, and Motonobu Goto. "Supercritical Fluid Extraction and Fractionation." In Encyclopedia of Sustainability Science and Technology, 1–40. New York, NY: Springer New York, 2018. http://dx.doi.org/10.1007/978-1-4939-2493-6_1006-1.

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Hutchenson, Keith W., and Neil R. Foster. "Innovations in Supercritical Fluid Science and Technology." In Innovations in Supercritical Fluids, 1–31. Washington, DC: American Chemical Society, 1995. http://dx.doi.org/10.1021/bk-1995-0608.ch001.

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de Aguiar, Ana Carolina, Julian Martínez, and Philipe dos Santos. "Supercritical Fluid Extraction as a Green Technology." In Encyclopedia of Quality of Life and Well-Being Research, 6475–78. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-0753-5_4218.

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Sheth, Pratik, and Harpreet Sandhu. "Amorphous Solid Dispersion Using Supercritical Fluid Technology." In Advances in Delivery Science and Technology, 579–91. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-1598-9_19.

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"Supercritical Fluid Technology." In Handbook of Pharmaceutical Granulation Technology, 142–53. CRC Press, 2016. http://dx.doi.org/10.3109/9781616310035-9.

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Adschiri, Tadafumi. "Supercritical Fluid Technology." In The Expanding World of Chemical Engineering, 105–23. Routledge, 2019. http://dx.doi.org/10.1201/9780203736739-7.

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"Strategies for scCO2 Technology." In Supercritical Fluid Nanotechnology, 219–26. Jenny Stanford Publishing, 2015. http://dx.doi.org/10.1201/b19242-11.

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Payne, Kent M., and Jerry W. King. "Supercritical Fluid Extraction/Chromatography." In Separations Technology, 195–230. CRC Press, 2020. http://dx.doi.org/10.1201/9780367813321-4.

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"Supercritical Fluid Extraction Technology." In Functional Food Ingredients and Nutraceuticals. CRC Press, 2006. http://dx.doi.org/10.1201/9781420004076.pt1.

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Conference papers on the topic "Supercritical Fluid Technology"

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Chang, Kuan-Chang. "Improvement of Resistive Switching Characteristic by Supercritical Fluid Technology." In Information Storage System and Technology. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/isst.2017.isu5b.2.

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Ghoreishi, S. M., and M. Alibouri. "Synthesis of NiMo/Al2O3 nanocatalyst via supercritical fluid technology." In 2010 International Conference on Enabling Science and Nanotechnology (ESciNano). IEEE, 2010. http://dx.doi.org/10.1109/escinano.2010.5701060.

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Shi, Wei, Van Hoa Nguyen, and Jae-jin Shim. "Preparation of Silica Aerogels via Supercritical Fluid Drying Technology." In 14th Asia Pacific Confederation of Chemical Engineering Congress. Singapore: Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-1445-1_495.

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Kurniawansyah, Firman, Raffaella Mammucari, and Neil R. Foster. "Processing of polyphenolic composites with supercritical fluid anti-solvent technology." In INTERNATIONAL SEMINAR ON FUNDAMENTAL AND APPLICATION OF CHEMICAL ENGINEERING 2016 (ISFAChE 2016): Proceedings of the 3rd International Seminar on Fundamental and Application of Chemical Engineering 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4982312.

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FUKUZATO, RYUICHI. "CURRENT STATUS OF SUPERCRITICAL FLUID TECHNOLOGY IN THE EAST ASIA." In Proceedings of the Seventh International Symposium on Hydrothermal Reactions. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812705228_0020.

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Zhu, Liyang, Wuhua Duan, Jingming Xu, and Yongjun Zhu. "Extraction of Actinides and Lanthanides by Supercritical Fluid." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29914.

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Reprocessing of used nuclear fuel and treatment of nuclear waste are important issues for the sustainable development of nuclear energy. It is necessary to develop novel nuclear waste treatment technologies to meet the goal of minimizing the secondary liquid waste. Supercritical fluids are considered green solvents in chemical engineering process. It gains growing interest to treat nuclear waste using supercritical fluid extraction recently, because it can greatly decrease the secondary liquid waste with high radioactivity. During the past two decades, extraction of actinides and lanthanides by supercritical fluid has been intensively studied in some countries, and many important progresses have been made. However, the prospect of industrial application of supercritical fluid extraction technology in reprocessing of used nuclear fuel and treatment of nuclear waste is still unclear. In this paper, extraction of actinides and lanthanides from various matrixes or from their oxides by supercritical fluid including the experimental results, extraction mechanism and kinetic process was reviewed. The engineering demonstration projects were introduced. The trend of industrial application of supercritical fluid extraction technology in nuclear waste management was also discussed.
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Li, Ying, Ying Ai, Haitao Li, and Mingjun Chen. "Flowback Stimulation of Frac Fluid in Tight Oil Reservoirs Through Supercritical Condition." In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21303-ms.

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Abstract Tight sandstone reservoirs are an important petroleum resources in recent years. Hydraulic fracturing is widely used to stimulate development of tight sandstone oil reservoirs by creating underground fractures, but the low flowback rate of fracturing fluid leads to the water blocking damage and low oil recovery of tight sandstone oil reservoirs compared with those of conventional oil reservoirs. The object of this study is to experimentally investigate the possibility of improving flowback efficiency and oil recovery efficiency through achievement of the supercritical water condition. Self-developed reaction system is used to conduct hydraulic fracturing for tight sandstone samples under both regular and supercritical conditions. While comparing the oil recovery factor and flowback efficiency of the regular and supercritical water hydraulic fracturing, mechanisms behind these results are explored through examination of the change in oil components, the change in rock minerals and the change in pore-fracture distribution. Results show that the dynamic viscosity of the crude oil after the supercritical water hydraulic fracturing is significantly lower than that before hydraulic fracturing, with a decrease of 2.88 mPa·s under ambient condition and a decrease of 0.39 mPa·s under in situ condition. Lighter oil components occupy more percentage of the totoal oil components in the recovered oil from supercritical water hydraulic fracturing than that in the oil recovered from regular hydraulic fracturing, with an average increase of 16% for the oil components of molecular weight from 100 to 200. Heavier oil components of molecular weight larger than 300 have an average decrease of 15.5% after the supercritical water hydraulic fracturing. This indicate the visbreaking of the crude oil under the supercritical water condition. Oil recovery after supercritical water hydraulic fracturing is always higher than that after regular hydraulic fracturing, and the ultimate oil recovery after supercritical water hydraulic fracturing is 66.5% compared with 60% of regular hydraulic fracturing. Fracturing fluid after the supercritical water condition flows much quicker and smoothly than that after the regular hydraulic fracturing, and the ultimate flow back factor of the fracturing fluid is 63% after the supercritical water hydraulic fracturing compared with that of 49% after the regular hydraulic fracturing. Increase in percentage of larger pores/fractures after the supercritical water hydraulic fracturing is more significant than that after regular hydraulic fracturing. The percentage of interstratified illite-montmorillonite decreases an average of 15.2%, while that of kaolinite increase an average of 14.3% in the rock samples after supercritical water hydraulic fracturing compared with the original rock samples. This will benefit the recovery process when oil and water flows together into the well bore after the hydraulic fracturing.
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M.Yousif, Safaa, Ali H.Al-Marzouqi, and Mahmoud A.Mohsin. "Microencapsulation of Non-Steroidal Anti-Inflammatory Drugs into Biodegradable Polymers using Supercritical Fluid Technology." In 5th Asian Particle Technology Symposium. Singapore: Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-2518-1_344.

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Xiong, Shuhao, and Xinnan Lin. "Investigation of Supercritical Fluid Treatment for SiN/SiON/AlGaN/GaN MIS-HEMTs." In 2020 IEEE 3rd International Conference on Electronics Technology (ICET). IEEE, 2020. http://dx.doi.org/10.1109/icet49382.2020.9119650.

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Ganapathi, Gani B., and Richard Wirz. "High Density Thermal Energy Storage With Supercritical Fluids." In ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/es2012-91008.

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A novel approach to storing thermal energy with supercritical fluids is being investigated, which if successful, promises to transform the way thermal energy is captured and utilized. The use of supercritical fluids allows cost-affordable high-density storage with a combination of latent heat and sensible heat in the two-phase as well as the supercritical state. This technology will enhance penetration of several thermal power generation applications and high temperature water for commercial use if the overall cost of the technology can be demonstrated to be lower than the current state-of-the-art molten salt using sodium nitrate and potassium nitrate eutectic mixtures. An additional attraction is that the volumetric storage density of a supercritical fluid can be higher than a two-tank molten salt system due to the high compressibilities in the supercritical state. This paper looks at different elements for determining the feasibility of this storage concept — thermodynamics of supercritical state with a specific example, naphthalene, fluid and system cost and a representative storage design. A modular storage vessel design based on a shell and heat exchanger concept allows the cost to be minimized as there is no need for a separate pump for transferring fluid from one tank to another as in the molten salt system. Since the heat exchangers are internal to the tank, other advantages such as lower parasitic heat loss, easy fabrication can be achieved. Results from the study indicate that the fluid cost can be reduced by a factor of ten or even twenty depending on the fluid and thermodynamic optimization of loading factor. Results for naphthalene operating between 290 °C and 475 °C, indicate that the fluid cost is approximately $3/kWh compared with $25-$50/kWh for molten salt. When the storage container costs are factored in, the overall system cost is still very attractive. Studies for a 12-hr storage indicate that for operating at temperatures between 290–450 °C, the cost for a molten salt system can vary between $66/kWh to $184/kWh depending on molten salt cost of $2/kg or a more recent quote of $8/kg. In contrast, the cost for a 12-hr supercritical storage system can be as low as $40/kWh. By using less expensive materials than SS 316L, it is possible to reduce the costs even further.
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