Добірка наукової літератури з теми "Cooling crystallization process"
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Статті в журналах з теми "Cooling crystallization process"
Ettouney, R. S., and M. A. El-Rifai. "Indirect Cooling Crystallization Process Analysis." Chemical Engineering Research and Design 85, no. 11 (January 2007): 1476–84. http://dx.doi.org/10.1205/cherd07052.
Повний текст джерелаBosq, Nicolas, Nathanaël Guigo, and Nicolas Sbirrazzuoli. "Crystallization Behaviour of Polytetrafluoroethylene over very Large Cooling Rate Domains." Advanced Materials Research 747 (August 2013): 201–4. http://dx.doi.org/10.4028/www.scientific.net/amr.747.201.
Повний текст джерелаHou, Jianfeng, Kefeng Pan, and Xihan Tan. "Preparation of 6N,7N High-Purity Gallium by Crystallization: Process Optimization." Materials 12, no. 16 (August 10, 2019): 2549. http://dx.doi.org/10.3390/ma12162549.
Повний текст джерелаDai, Guangming, Lihua Zhan, Chenglong Guan, and Minghui Huang. "The effect of cooling rate on crystallization behavior and tensile properties of CF/PEEK composites." Journal of Polymer Engineering 41, no. 6 (April 14, 2021): 423–30. http://dx.doi.org/10.1515/polyeng-2020-0356.
Повний текст джерелаMursalin, Mursalin. "Crystallization Kinetics Of Coconut Oil Based On Gompertz Model." Indonesian Food Science and Technology Journal 1, no. 1 (May 17, 2018): 1–7. http://dx.doi.org/10.22437/ifstj.v1i1.4269.
Повний текст джерелаLang, Yi-dong, Arturo M. Cervantes, and Lorenz T. Biegler. "Dynamic Optimization of a Batch Cooling Crystallization Process." Industrial & Engineering Chemistry Research 38, no. 4 (April 1999): 1469–77. http://dx.doi.org/10.1021/ie980585u.
Повний текст джерелаQin, Hong Wu, Xiao Xue Xing, and Xian Zhang. "The Analysis for Crystallization of Sn-Pb Alloys Using Acoustic Emission Testing about Wind Turbine Root Materials." Applied Mechanics and Materials 668-669 (October 2014): 83–86. http://dx.doi.org/10.4028/www.scientific.net/amm.668-669.83.
Повний текст джерелаSamsuri, Shafirah, Nurul Aini Amran, Loh Jia Zheng, and Muhammad Muhaimin Mohd Bakri. "Effect of coolant temperature and cooling time on fractional crystallization of biodiesel and glycerol." Malaysian Journal of Fundamental and Applied Sciences 13, no. 4 (December 26, 2017): 676–79. http://dx.doi.org/10.11113/mjfas.v13n4.925.
Повний текст джерелаSpoerer, Yvonne, Regine Boldt, René Androsch, and Ines Kuehnert. "Pressure- and Temperature-Dependent Crystallization Kinetics of Isotactic Polypropylene under Process Relevant Conditions." Crystals 11, no. 9 (September 18, 2021): 1138. http://dx.doi.org/10.3390/cryst11091138.
Повний текст джерелаKang, Yue, Chao Liu, Yuzhu Zhang, and Hongwei Xing. "Influence of Crystallization Behavior of Gas Quenching Blast Furnace Slag on the Preparation of Amorphous Slag Beads." Crystals 10, no. 1 (January 10, 2020): 30. http://dx.doi.org/10.3390/cryst10010030.
Повний текст джерелаДисертації з теми "Cooling crystallization process"
Li, Huayu. "Process measurements and kinetics of unseeded batch cooling crystallization." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53503.
Повний текст джерелаMerheb, Graciela de Amaral. "Estudo do processo de cristalização de sacarose a partir de soluções provenientes de cana-de-açúcar por resfriamento controlado." Universidade Federal de São Carlos, 2009. https://repositorio.ufscar.br/handle/ufscar/4015.
Повний текст джерелаToday, Brazil is the major producer and exporter of sugar in the world. In the last harvest 2008/2009, 31.5 millions tons were produced, of which 60% were exported providing a 40% of international market share. However, sugar is a product that has commercial difficulties, due to the hard restrictions, such as rates, subsidizes and technical barriers like the use of sulfur (input) in laundering. Because of this, the development of a technology for the production of sugar with superior quality, less cost and without sulfur for the laundering would be of great interest for the productive sector. The present work aims to study the process of crystallization of sucrose from sugar solutions of syrup and sugar cane by controlled cooling. A laboratory plant with production capacity of 1 kg of sugar per batch, installed in the laboratory of industrial development of the Sugarcane Technology Center (CTC) in Piracicaba was used for the present work. The results regarding the reduction of impurities initially present in sugar crystals through crystallization by controlled cooling were: 95% in color, 85% in starch and 80% in dextran. For the syrup classified as VVHP, reductions obtained in crystals through crystallization by controlled cooling were: 96% of the final color of the sugar (from 10,100 IU to 361 IU), 98% in the amount of ash conductivity, 84% in the amount of starch and 52% in the amount of dextran. Obtained the results led to the construction of a pilot plant by scaling the process that will be implemented in an industrial unit.
O Brasil, hoje, é o principal produtor e exportador de açúcar do mundo. Foram produzidas na última safra 2008/2009, 31,5 milhões de toneladas de açúcar, das quais cerca de 60% foram exportadas, gerando ao país um domínio de 40% do mercado internacional. No entanto, o açúcar é um produto de relativa dificuldade para comercialização internacional, em razão de fortes restrições, como cotas, subsídios e barreiras técnicas, como a utilização do enxofre (insumo), para o branqueamento. Por isso, o desenvolvimento de uma tecnologia de produção de açúcar de melhor qualidade, com redução de custos e que não necessite de enxofre para o branqueamento seriam de grande interesse para o setor produtivo. O presente trabalho tem por objetivo o estudo do processo de cristalização de sacarose a partir de soluções provenientes de açúcar e xarope de cana-de-açúcar por resfriamento controlado, através de uma planta laboratorial, com capacidade de produção de 1 kg de açúcar por batelada, instalada no laboratório de desenvolvimento industrial do Centro de Tecnologia Canavieira (CTC) em Piracicaba. Os resultados quanto à redução de impurezas presentes inicialmente nos cristais de açúcar através da cristalização por resfriamento controlado foram: de 95% de cor; 85% de amido e 80% de dextrana. Para o xarope classificado como VVHP, as reduções obtidas nos cristais através da cristalização por resfriamento controlado foram: de 96% na cor do açúcar final (de 10.100 UI para 361 UI), de 98% na quantidade de cinzas condutimétricas, de 84% na quantidade de amido e de 52% na quantidade de dextrana. A partir dos resultados obtidos, motivou-se a construção de uma unidade piloto através do scale-up do processo laboratorial, a ser implantada em uma unidade industrial.
Comisso, Tiago Boni. "Estudo experimental do processo de rotomoldagem: efeitos sobre a morfologia e estabilidade dimensional." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2011. http://tede2.uepg.br/jspui/handle/prefix/1451.
Повний текст джерелаIn the present study the warpage of rotationally molded parts of a linear low density polyethylene (LLDPE) was investigated. The effect of different processing factors as part thickness, cooling condition and diameter of the venting tube was evaluated. In addition to the rotational molding experiments, an alternative experimental technique, denominated “Hot Press”, was also applied to investigate the warpage of two different grades of LLDPE under typical rotational molding conditions, which means slow cooling from only one side. Crystallinity and spherulitic morphology along the thickness of the rotationally molded parts were studied by Differential Scanning Calorimetry and Polarized Light Optical Microscopy. It is shown that the warpage increases with the increase of the cooling rate. Increase of diameter of the venting tube is more effective in reducing the warpage of rotationally molded parts mainly for lower cooling rates. In hot press experiments the grade of LLDPE with lower melt flow index and higher flexural strength presented lower warpage. Part thickness affects the warpage in hot press experiments only for faster cooling rates. In general, crystallinity and spherulitic diameter are lower in positions along the rotationally molded part thickness where the cooling rate is faster.
No presente estudo o empenamento de peças de polietileno linear de baixa densidade (PELBD) moldadas por rotomoldagem foi investigado. O efeito de diferentes fatores como espessura da peça, taxa de resfriamento e diâmetro de tubo de ventilação foi avaliado. Em adição aos experimentos de rotomoldagem, uma técnica alternativa denominada “Hot Press” foi também aplicada para investigar o empenamento de dois diferentes PELBD sob condições típicas da rotomoldagem quanto ao resfriamento assimétrico. Cristalinidade e morfologia esferulítica ao longo da espessura das peças rotomoldadas foram avaliadas por Calorimetria Exploratória Diferencial (DSC) e Microscopia Ótica de Luz Polarizada. Verificou-se que o grau de empenamento aumenta com o aumento da taxa de resfriamento. O aumento do diâmetro do tubo de ventilação é mais efetivo na redução do empenamento principalmente em menores taxas de resfriamento. Nos experimentos de “Hot Press” o PELBD com menor índice de fluidez e maior módulo de flexão apresentou menor empenamento. Nos experimentos de “Hot Press” a espessura das peças afetou o empenamento somente para taxas de resfriamento mais rápidas. Em geral, a cristalinidade e o tamanho de esferulitos se mostraram menores nas posições ao longo da espessura das peças rotomodadas onde as taxas de resfriamento eram mais rápidas.
CHANG, CHIA-HSING, and 張家馨. "(I)Synergistic Effect of Dynamic-cooling/Freeze-drying Process and Fullerene Bisadduct on the Morphology of Conjugated Polymer/PCBM Blends(II)Shear-induced Crystallization Process of pBCN/PCBM in o-xylene Solution." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/7d946x.
Повний текст джерела輔仁大學
化學系
107
P3HT/PCBM blend films have been used in the photoactive layer of polymer solar cells. In the blend film, bulk-heterojuction (BHJ) structure can enhance contact area between materials and facilitate the exciton dissociation. In addition, controlling molecular aggregation of conjugating polymer has been a critical issue for polymer solar cells. Higher crystalline of P3HT is benificial to absorption spectra and carrier mobility. Thermal annealing has been used to improve crystalline of P3HT in many references. However, thermal annealing results in phase separation due to poor compatibility. Here, the new processes are applied to improve crystalline of polymer prior to coating process and decrease probability of phase separation so that minimum/or no post-treatment .With respect to materials, in high PCE polymer solar cells, low band-gap conjugated copolymer has been widely used to enhance absorption spectra recently, however, they are not often crystallizable because of different monomers used in the polymer backbones. Therefore, this study will apply the new processes to conjugated copolymer (pBCN). Part one, synergistic effect of dynamic cooling/freeze drying process is applied to pBCN/PCBM blend to enhance aggregation of pBCN and decrease agglomeration of PCBM. The dynamic-cooling process allows pBCN molecules to aggregate in solution into a more organized structure during the cooling process; the freeze-drying process prevents severe agglomeration of PCBM during the solvent removing process. To improve stability of blend films, we add additive (bis-PCBM) to decrease agglomeration of PCBM after thermal annealing. Part two, a shear–induced-crystallization (SIC) process is applied to the polymer solution prior to coating process. Experimental results indicate that after applying SIC process to a crystallizable polymer, pBCN, aggregation of pBCN is enhanced than that from spin-coating process. Additionally, film absorption study shows that aggregation of pBCN does not affected by addition of PCBM, which makes the SIC process feasible for the fabrication of polymer solar cells.
Частини книг з теми "Cooling crystallization process"
Zhang, Jie, Yunteng He, Lei Lei, Yuzhong Yao, Stephen Bradford, and Wei Kong. "Electron Diffraction of Molecules and Clusters in Superfluid Helium Droplets." In Topics in Applied Physics, 343–79. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94896-2_8.
Повний текст джерелаMaclennan, John. "The Supply of Heat to Mid-Ocean Ridges by Crystallization and Cooling of Mantle Melts." In Magma to Microbe: Modeling Hydrothermal Processes at Ocean Spreading Centers, 45–73. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/178gm04.
Повний текст джерелаCosta, Caliane Bastos Borba, and Rubens Maciel Filho. "Cooling crystallization: a process-product perspective." In 16th European Symposium on Computer Aided Process Engineering and 9th International Symposium on Process Systems Engineering, 967–72. Elsevier, 2006. http://dx.doi.org/10.1016/s1570-7946(06)80171-9.
Повний текст джерела"Appendix 1 Pharma case: production increase by combined evaporation crystallization and cooling crystallization." In Process Intensification, 213–16. De Gruyter, 2020. http://dx.doi.org/10.1515/9783110657357-020.
Повний текст джерелаAbbas, Ali, S. Mostafa Nowee, and Jose A. Romagnoli. "Model-based optimization for operational policies in seeded cooling crystallization." In 16th European Symposium on Computer Aided Process Engineering and 9th International Symposium on Process Systems Engineering, 1347–52. Elsevier, 2006. http://dx.doi.org/10.1016/s1570-7946(06)80234-8.
Повний текст джерелаLiu, Jiaxu, and Brahim Benyahia. "Systematic model-based dynamic optimization of a combined cooling and antisolvent multistage continuous crystallization process." In 31st European Symposium on Computer Aided Process Engineering, 1221–27. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-323-88506-5.50188-1.
Повний текст джерелаMaduraipandian, Malaidurai. "Simulation of Mn2-x Fe1+x Al Intermetallic Alloys Microstructural Formation and Stress-Strain Development in Steel Casting." In Applications and Techniques for Experimental Stress Analysis, 231–44. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1690-4.ch015.
Повний текст джерелаParekh, Ravi, Brahim Benyahia, and Chris D. Rielly. "A Global State Feedback Linearization and Decoupling MPC of a MIMO Continuous MSMPR Cooling Crystallization Process." In Computer Aided Chemical Engineering, 1607–12. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-444-64235-6.50280-1.
Повний текст джерелаSamad, Noor Asma Fazli Abdul, Ravendra Singh, Gürkan Sin, Krist V. Gernaey, and Rafiqul Gani. "Control of Process Operations and Monitoring of Product Qualities through Generic Model-based in Batch Cooling Crystallization." In Computer Aided Chemical Engineering, 613–18. Elsevier, 2010. http://dx.doi.org/10.1016/s1570-7946(10)28103-8.
Повний текст джерелаRivers, Toby, and Richard A. Volkert. "Slow cooling in the metamorphic cores of Grenvillian large metamorphic core complexes and the thermal signature of the Ottawan orogenic lid." In Laurentia: Turning Points in the Evolution of a Continent. Geological Society of America, 2022. http://dx.doi.org/10.1130/2022.1220(16).
Повний текст джерелаТези доповідей конференцій з теми "Cooling crystallization process"
Suhodoeva, Tatiana, Anna Kamenskikh, and Maria Bartolomey. "Numerical investigation of isotropic beam crystallization process under nonuniform cooling." In International Conference "Actual Issues of Mechanical Engineering" 2017 (AIME 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/aime-17.2017.49.
Повний текст джерелаBenyahia, Brahim, and Jiaxu Liu. "Steady-state and dynamic optimization of a combined cooling and antisolvent acetylsalicylic acid crystallization process." In The 2nd International Online Conference on Crystals. Basel, Switzerland: MDPI, 2020. http://dx.doi.org/10.3390/iocc_2020-07236.
Повний текст джерелаHemalatha, Kilari, and Kalipatnapu Yamuna Rani. "Sensitivity analysis of pareto solution sets of multiobjective optimization for a batch cooling crystallization process." In 2016 Indian Control Conference (ICC). IEEE, 2016. http://dx.doi.org/10.1109/indiancc.2016.7441180.
Повний текст джерелаSchmalenberg, Mira, Lukas Hohmann, and Norbert Kockmann. "Miniaturized Tubular Cooling Crystallizer With Solid-Liquid Flow for Process Development." In ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icnmm2018-7660.
Повний текст джерелаRao, I. J. "Simulation of the Film Blowing Process Using a Continuum Model for Crystallization in Polymers." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1993.
Повний текст джерелаTardif, Xavier, Vincent Sobotka, Nicolas Boyard, Philippe Le Bot, and Didier Delaunay. "Determination of Pressure in the Mold Cavity of Injected Semi-Crystalline Thermoplastics." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82134.
Повний текст джерелаZhang, Lan, M'hamed Boutaous, Shihe Xin, and Dennis A. Siginer. "3D Modeling of Additive Manufacturing Process: The Case of Polymer Laser Sintering." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23550.
Повний текст джерелаYao, Donggang, Pratapkumar Nagarajan, and K. R. T. Ramasubramani. "Constant-Temperature Embossing of Amorphous Poly(Ethylene Terephthalate) Films." In ASME 2007 International Manufacturing Science and Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/msec2007-31049.
Повний текст джерелаZinchenko, Yekaterina, and Robin N. Coger. "Use of Directional Solidification to Determine Characteristics of Hepatic Systems During Low Temperature Cooling." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32559.
Повний текст джерелаLang, Anette, Marius-Andrei Boca, and Alexandru Sover. "Influence of cooling conditions during 3D printing on the switching temperature of a TPU with SME." In 4th International Conference. Business Meets Technology. València: Editorial Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/bmt2022.2022.15368.
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