Journal articles: 'Solid liquid separation'

1

Cilliers, J. "Solid—liquid separation." Powder Technology 68, no. 1 (October 1991): 98. http://dx.doi.org/10.1016/0032-5910(91)80071-p.

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Rza Behbudov, Shahin Ismayilov, Rza Behbudov, Shahin Ismayilov. "DETERMINATION OF THE INSIDE DIAMETER AND CAPACITY OF A VERTICAL GRAVITY SEPARATOR." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 17, no. 06 (May 18, 2022): 175–79. http://dx.doi.org/10.36962/pahtei17062022-175.

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The article provides a brief analysis of the internal diameter and capacity of a vertical gravity separator. The process of separation should be understood as the process of separating the solid, liquid and vapor phases in a stream. Devices in which liquid and solid phases are separated from gas are called separators. Separators used in gas condensate mines are divided into classes according to their different qualities. Separators are divided into the following types (classes) according to their purpose: a) working separators; b) measuring separators. Separators are cylindrical and spherical according to their geometric shapes. Separators are vertical, horizontal and inclined depending on their position in space. Due to the phase separation, the separators are of mechanical, liquid and electric type. Mechanically operated separators that separate phase separations according to their strength are divided into gravitational, centrifugal and filter-sensitive (separating). Keywords: vertical, gravitational, separation, steam, measuring separators, horizontal

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3

Anlauf, Harald. "Mechanical Solid Liquid Separation." Chemical Engineering & Technology 33, no. 8 (July 21, 2010): 1231. http://dx.doi.org/10.1002/ceat.201090037.

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Bersillon, Jean-Luc. "Séparation solide-liquide : les membranes. / Solid-liquid separation : the membranes." Sciences Géologiques. Bulletin 46, no. 1 (1993): 175–82. http://dx.doi.org/10.3406/sgeol.1993.1903.

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5

Holdich, R. G., and G. Butt. "Solid/liquid separation by sedimentation." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 211, no. 1 (February 1, 1997): 43–52. http://dx.doi.org/10.1243/0954408971529539.

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The analysis of batch sedimentation tests performed for the purpose of continuous sedimentation vessel design is described. Conventional design techniques employ the concept of settling flux with, under certain conditions, a constitutive equation linking solid concentration and pressure in a unique and time-independent manner. Experimental studies employing measurement of local concentration and the liquid pressure gradient during sedimentation were used to determine the limits of the conventional design techniques. A 'maximum fluidized concentration' is defined which is the value above which it is difficult to maintain stable flux conditions and is the limit of applicability of conventional design methods based on settling flux. It is shown that the suspended solids contribute towards the liquid pressure gradient and, therefore, to the buoyancy experienced by the settling solids. However, during settlement the liquid pressure gradient reverts to the hydrostatic gradient alone; hence the buoyancy effect is a function of sedimentation time. Additional considerations also suggest that a unique relation between concentration and pressure should only be used as a constituent term in a time-dependent consolidation model. Current research effort includes a suitable method of linking time-dependent consolidation theory, under conditions of extremely low applied pressure, and sedimentation flux analysis.

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Mujumdar, Arun S. "ADVANCES IN SOLID-LIQUID SEPARATION." Drying Technology 5, no. 3 (August 1987): 487–88. http://dx.doi.org/10.1080/07373938708916557.

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7

Alt, C. "Solid—liquid separation practice 3." Chemical Engineering and Processing: Process Intensification 29, no. 1 (January 1991): 62. http://dx.doi.org/10.1016/0255-2701(91)87009-r.

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8

Tiller, Frank M., and N. B. Hsyung. "Unifying the Theory of Thickening, Filtration, and Centrifugation." Water Science and Technology 28, no. 1 (July 1, 1993): 1–9. http://dx.doi.org/10.2166/wst.1993.0004.

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Solid/liquid separation operations involve relative movement of solids and liquids in both slurries and porous compactible beds. Thickening, filtration, and centrifugation are governed by the simultaneous flow of liquid through and compaction of porous paniculate beds. In the relative motion, the liquid may have a higher velocity than the solids as in filtration or the reverse as in thickening and sedimentation. Movement of liquid is accompanied by a simultaneous collapse of the structure of the cakes and sediments under mechanical, centrifugal, gravitational, and fluid induced frictional stresses. A unified approach to solid-liquid separation with cake formation requires the solution of two simultaneous equations. The first rate equation (Darcy-Shirato) involves the gradient of the liquid pressure and the velocity of the liquid relative to the solid. The second stress balance equation contains the gradients of both the liquid pressure and the induced stress on the solid matrix. Neither of these equations can be solved independently. Elimination of the liquid pressure gradient between the equations leads to the particulate structure equation whose solution establishes the cake structure and leads to formula for calculating solid and liquid rates. If gravitational or centrifugal sedimentation precedes cake formation, a first order hyperbolic partial differential equation governs the suspension concentration and the flux of solids at the cake surface.

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9

Swift, G. W., and D. A. Geller. "Thermoacoustic Soret separation." Journal of the Acoustical Society of America 152, no. 5 (November 2022): 3078–90. http://dx.doi.org/10.1121/10.0015232.

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In a fluid mixture in a channel with an axial time-averaged temperature gradient, high-amplitude oscillating flow can greatly increase the axial flux of thermal diffusion (Soret) separation of the components of the mixture. The enhancement occurs when the oscillating lateral temperature gradient greatly exceeds the axial gradient, causing a large oscillating concentration that can be favorably time-phased with the oscillating flow. This process can occur even with a negligible pressure oscillation or with a negligible temperature response to pressure, as is the case in most liquid solutions. The thermal boundary condition imposed by realistic solids on thermoacoustic liquids is imperfect, adding mathematical complications that are absent for typical gases, for which the solid surface is temporally isothermal. Compared with gas mixtures, the high Lewis number in typical liquid solutions reduces the separation flux associated with the time-averaged temperature gradient, but it also reduces the remixing associated with the time-averaged mole-fraction gradient. For large enough channels, the second-law separation efficiency is only slightly reduced from that of steady liquid Soret separation.

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10

Yan, Yue Juan, Zun Ce Wang, Sen Li, and Xu Yan. "The Numerical Simulation Research of Spiral Solid-Liquid Separators." Applied Mechanics and Materials 229-231 (November 2012): 1729–32. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.1729.

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In water production-reinjection system, a spiral solid-liquid separator is installed at the inlet of the electric submersible pump (ESP) to prevent solid materials in the re-injected water from plugging formation pore and keep the efficiency of water injection. In order to determine optimum structural parameters and operating parameters of the separator, numerical simulation was conducted to analysis the effect of spiral laps, spiral pitch, inlet velocity, etc. on separation properties. By analysis and comparison, spiral laps of 5, pitch of 18 mm are the most suitable structure parameters. In operating parameters, the pressure drop and separation efficiency increase with the inlet velocity increasing. The results provide reference for further research of the spiral solid-liquid separators.

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11

Smith, M. R. "Solid-liquid separation process and technology." Chemical Engineering Science 42, no. 11 (1987): 2802–3. http://dx.doi.org/10.1016/0009-2509(87)87041-0.

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12

Landman, K. A., and L. R. White. "Solid/liquid separation of flocculated suspensions." Advances in Colloid and Interface Science 51 (August 1994): 175–246. http://dx.doi.org/10.1016/0001-8686(94)80036-7.

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13

Mulhem, Basel, Günther Schulte, and Udo Fritsching. "Solid–liquid separation in suspension atomization." Chemical Engineering Science 61, no. 8 (April 2006): 2582–89. http://dx.doi.org/10.1016/j.ces.2005.11.035.

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14

Severino, Jose G., Luis E. Gomez, Ram S. Mohan, Shoubo Wang, and Ovadia Shoham. "Mechanistic Modeling of Solids Separation in Solid/Liquid Hydrocyclones." SPE Projects, Facilities & Construction 5, no. 03 (September 1, 2010): 121–35. http://dx.doi.org/10.2118/124499-pa.

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15

Liu, Zhong Bin, Tao Zeng, and Guang Zhong Hu. "Study on Dynamic Properties of Solid-Liquid Separator Entrance." Advanced Materials Research 538-541 (June 2012): 2662–65. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.2662.

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Using of two-phase flow theory to set up liquid-solid separator inside the water and slag particles separation model, studied the strainer inlet and the relative relationship between the inlet and outlet, obtained the corresponding two-phase flow rate and the concentration distribution. It is shown that, entry form using the reverse side of slag cyclone and centrifugal separation methods to achieve the self-scouring effect and fluid, more conducive to the dispersed particles and continuous phase separation; From the strainer inlet and outlet position relationship point of view, taking into account the water uses from the side into the bottom and out from the top side is more reasonable and effective.

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16

Blaga, Alexandra Cristina, Alexandra Tucaliuc, and Lenuta Kloetzer. "Applications of Ionic Liquids in Carboxylic Acids Separation." Membranes 12, no. 8 (August 9, 2022): 771. http://dx.doi.org/10.3390/membranes12080771.

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Ionic liquids (ILs) are considered a green viable organic solvent substitute for use in the extraction and purification of biosynthetic products (derived from biomass—solid/liquid extraction, or obtained through fermentation—liquid/liquid extraction). In this review, we analyzed the ionic liquids (greener alternative for volatile organic media in chemical separation processes) as solvents for extraction (physical and reactive) and pertraction (extraction and transport through liquid membranes) in the downstream part of organic acids production, focusing on current advances and future trends of ILs in the fields of promoting environmentally friendly products separation.

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17

Shinya, Fumitaka, Hirokazu Tsuboi, Atsushi Miyata, Masao Shimada, and Hiromasa Yamashita. "Practical use of new system for highly efficient recovery of energy from sewage and garbage." Water Practice and Technology 10, no. 3 (September 1, 2015): 538–45. http://dx.doi.org/10.2166/wpt.2015.062.

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This study discusses efforts being made to realize energy self-sufficiency in a sewage treatment plant, and to achieve both energy conservation with low-load water treatment based on thorough, intensive solid–liquid separation and ‘energy production’ by using sludge treatment capable of converting recovered biomass into energy with maximum efficiency. Intensive solid–liquid separation resulted in higher suspended solids and Biological Oxygen Demand (BOD) removal rates than those achieved with conventional primary settling tanks. Using thermophilic digestion of raw sludge, recovered by intensive solid–liquid separation, and garbage as substrates, the Volatile Solids (VS) decomposition rate was 70% and generated digestion gas was 759 Nm3/t-loaded VS on average under conditions of Hydraulic Retention Time (HRT) 5 days and a VS load of 6.0 kg-VS/m3/day. The generated digestion gas was totally used to generate power with phosphoric acid fuel cells.

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18

Sun, Na, Shi-Qiang Wang, Ruqiang Zou, Wen-Gang Cui, Anqi Zhang, Tianzhen Zhang, Qi Li, et al. "Benchmark selectivity p-xylene separation by a non-porous molecular solid through liquid or vapor extraction." Chemical Science 10, no. 38 (2019): 8850–54. http://dx.doi.org/10.1039/c9sc02621e.

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Solid–liquid separation of similarly sized organic molecules utilizing sorbents offers the potential for new energy-efficient approaches to a number of important industrial separations such as xylenes (C8) separations.

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19

Comert, Fatih, and Paul L. Dubin. "Liquid-liquid and liquid-solid phase separation in protein-polyelectrolyte systems." Advances in Colloid and Interface Science 239 (January 2017): 213–17. http://dx.doi.org/10.1016/j.cis.2016.08.005.

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20

Dahlstrom, Donald A. "Research needs in liquid-solid separation. How will separation happen?" Industrial & Engineering Chemistry Research 29, no. 6 (June 1990): 1020–25. http://dx.doi.org/10.1021/ie00102a011.

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21

Wang, Steven, Guy Metcalfe, Robert L. Stewart, Jie Wu, Naoto Ohmura, Xin Feng, and Chao Yang. "Solid–liquid separation by particle-flow-instability." Energy Environ. Sci. 7, no. 12 (2014): 3982–88. http://dx.doi.org/10.1039/c4ee02841d.

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A robust separation strategy using novel particle-flow-instability physics is successfully developed for adifficult-to-separate suspensionin which there is some combination of a small density difference between solid and liquid, high viscosity, and small-sized particles.

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22

Biggs, Simon. "Aggregate Structures and Solid-Liquid Separation Processes." KONA Powder and Particle Journal 24 (2006): 41–53. http://dx.doi.org/10.14356/kona.2006008.

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23

KAWAI, Hideki, and Hiroshi TAKAHASHI. "Solid-liquid separation by Taylor vortex flow." Proceedings of Conference of Hokkaido Branch 2002.42 (2002): 40–41. http://dx.doi.org/10.1299/jsmehokkaido.2002.42.40.

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24

Holdich, R. G. "Solid–liquid separation equipment selection and modelling." Minerals Engineering 16, no. 2 (February 2003): 75–83. http://dx.doi.org/10.1016/s0892-6875(02)00178-4.

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25

Dentel, Steven K. "Chemical Conditioning for Solid–Liquid Separation Processes." Drying Technology 28, no. 7 (June 30, 2010): 843–49. http://dx.doi.org/10.1080/07373937.2010.490490.

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26

Anlauf, H. "Buchbesprechung: Solid-Liquid Separation. Von L. Svarovsky." Chemie Ingenieur Technik 74, no. 1-2 (February 2002): 140–41. http://dx.doi.org/10.1002/1522-2640(200202)74:1/2<140::aid-cite140>3.0.co;2-c.

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27

Seo, Young-Soo, Vladimir A. Samuilov, Jonathan Sokolov, Miriam Rafailovich, Bernard Tinland, Jaeseung Kim, and Benjamin Chu. "DNA separation at a liquid-solid interface." ELECTROPHORESIS 23, no. 16 (August 2002): 2618–25. http://dx.doi.org/10.1002/1522-2683(200208)23:16<2618::aid-elps2618>3.0.co;2-w.

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Fernandes, Fabiano A. N., and Sueli Rodrigues. "Educational software for gas-solid and liquid-solid separation equipment." Computer Applications in Engineering Education 11, no. 4 (2003): 226–32. http://dx.doi.org/10.1002/cae.10051.

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29

de Oliveira, Helio, Bruno Arantes Moreira, João Jorge Ribeiro Damasceno, and Fabio de Oliveira Arouca. "Obtaining Constitutive Equations for Thickening and Filtration Non-Newtonian Fluids." Materials Science Forum 802 (December 2014): 274–79. http://dx.doi.org/10.4028/www.scientific.net/msf.802.274.

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The study of filtration and thickening of particulate systems are used in many industrial processes involving processes of solid-liquid separation, such as in sedimentation ponds, filters, the drilling of oil wells, among others. This paper aims to advance the empirical mechanisms involved in the processes of solid-liquid separation and obtain constitutive equations relating the pressure in solids and porous media permeability from non-Newtonian fluids. In the experiments used aqueous solutions of xanthan gum concentration of 0.1% in weight basis in order to ensure non-newtonian means. For the preparation of suspensions, was used calcium carbonate as particulate material in the separation process involved an initial concentration of 12% by volume. The concentrated sediment was maintained between 30 and 48% by volume. Settling tests were carried to term and sediments resulting from each test were evaluated by making use of the Gamma Rays Attenuation Technique (GRAT). The results show that GRAT is effective in determining sediment concentration distributions formed from non-Newtonian solutions, allowing the constitutive equations to obtain pressure and the solid porous medium permeability, very important for simulations of solid-liquid separation processes.

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30

Morley, Raena, and Mirjana Minceva. "Liquid–Liquid Chromatography: Current Design Approaches and Future Pathways." Annual Review of Chemical and Biomolecular Engineering 12, no. 1 (June 7, 2021): 495–518. http://dx.doi.org/10.1146/annurev-chembioeng-101420-033548.

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Since its first appearance in the 1960s, solid support–free liquid–liquid chromatography has played an ever-growing role in the field of natural products research. The use of the two phases of a liquid biphasic system, the mobile and stationary phases, renders the technique highly versatile and adaptable to a wide spectrum of target molecules, from hydrophobic to highly polar small molecules to proteins. Generally considered a niche technique used only for small-scale preparative separations, liquid–liquid chromatography currently lags far behind conventional liquid–solid chromatography and liquid–liquid extraction in process modeling and industrial acceptance. This review aims to expose a broader audience to this high-potential separation technique by presenting the wide variety of available operating modes and solvent systems as well as structured, model-based design approaches. Topics currently offering opportunities for further investigation are also addressed.

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31

Liu, Xiao Xing, Qi Ying Pan, and Hao Su. "Study on Cross-Flow Solid-Liquid Separation Technology." Advanced Materials Research 712-715 (June 2013): 748–54. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.748.

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The technology, device current situation , theory ,applied prospect of cross-flow solid-liquid separation have been summarized. It has been studied to making several cuneiform slots on the rotator of traditional crossflow filter, allowing the rotator forms convergence space with canister's inside wall. When suspending liquid fill into the cuneiform convergence space, it will cause kinetic press and improve the efficiency of filtrating. .

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32

H. B. Moller, J. D. Hansen, and C. A. G. Sorensen. "Nutrient Recovery by Solid-Liquid Separation and Methane Productivity of Solids." Transactions of the ASABE 50, no. 1 (2007): 193–200. http://dx.doi.org/10.13031/2013.22400.

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33

Sun, Xian Ming, and Lei Wei. "Liquid-Solid Hydrocyclone Numerical Simulation and Separation Efficiency Analysis." Advanced Materials Research 1037 (October 2014): 103–6. http://dx.doi.org/10.4028/www.scientific.net/amr.1037.103.

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This paper analyses the basic structure and the separation theory of hydrocyclone. Three-dimension spiral flow theory and CFD method was used to simulate the Φ75mm hydrocyclone. The paper focuses on researching the separation efficiency influenced by different inlet velocities, volume fraction values and the particle diameters. Besides, the influence of the thickness of overflow pipe is also considered. Results of numerical simulation shows that with the inlet velocity range from 1 to 5m/s and the particle diameters range from 2 to 5um, the hydrocyclone separation efficiency is increasing. As the volume fraction value increased from 1% to 15%, the separation efficiency descended. Increasing the thickness of overflow pipe can reduce the turbulent kinetic energy of hydrocyclone, which can make the inner flow field more stable and enhance the separation efficiency.

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34

Paschke, N., and D. Taylor. "Solid/Liquid Separation: Waste Management and Productivity Enhancement." Journal of Environmental Quality 20, no. 2 (April 1991): 497–98. http://dx.doi.org/10.2134/jeq1991.00472425002000020029x.

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35

Lopes, B. Oliveira, V. A. Machado de Miranda, J. M. Freitas de Oliveira, A. G. Barbosa de Lima, S. José dos Santos Filho, and F. P. Macedo Farias. "Solid - Liquid Separation Process in Hydrocyclone by CFD." Diffusion Foundations 24 (September 2019): 76–103. http://dx.doi.org/10.4028/www.scientific.net/df.24.76.

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Mining is a relevant economic activity in many countries. In the treatment of ores, water is an indispensable input. For classification of minerals, the mineral industry uses the hydrocyclone process, where water is used as the medium for transporting dispersed ore particles, that are separated from the liquid by centrifugal force inside anequipmentnamed hydrocyclone.The constant advance of computers processing power, the evolution in the techniques and numerical methods, allow to simulate with great precision complex physical problems of fluid dynamics such as flow in hydrocyclones.In this sense, this work aims to analyze the performance of a concentrating hydrocyclone in the separation of ore and water by CFD. In the fluid dynamics simulation, the Eulerian-Lagrangian approach and the Ansys Fluent software were used. Results of pressure, velocity, and volumetric fraction fields of theinvolved phases are presented and evaluated. From the analysis of the results, it was observed that increasing the flow mixture velocity at the entrance of the equipment tends to increase the separation performance of the hydrocyclone.

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Miyata, Atsushi, Yasuhiro Matsui, Masao Shimada, and Hiromasa Yamashita. "Energy Management System Utilizing Intensive Solid Liquid Separation." Proceedings of the Water Environment Federation 2015, no. 2 (January 1, 2015): 1–20. http://dx.doi.org/10.2175/193864715819558424.

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37

Iritani, Eiji. "Fundamentals of Membrane Utilization in Solid–Liquid Separation." MEMBRANE 39, no. 1 (2014): 2–7. http://dx.doi.org/10.5360/membrane.39.2.

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38

KAWAI, Hideki, Shingo KISHIKAWA, Hiroshige KIKURA, Masanori ARITOMO, and Hiroshi TAKAHASHI. "Experimental analysis of Taylor vortex solid-liquid separation." Proceedings of the JSME annual meeting 2004.2 (2004): 219–20. http://dx.doi.org/10.1299/jsmemecjo.2004.2.0_219.

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39

Yokoyama, K., T. Oka, H. Okada, Y. Fujine, A. Chiba, and K. Noto. "Solid-liquid magnetic separation using bulk superconducting magnets." IEEE Transactions on Appiled Superconductivity 13, no. 2 (June 2003): 1592–95. http://dx.doi.org/10.1109/tasc.2003.812799.

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40

WANG, Li-yang, Zhi-chu ZHENG, Jun GUO, Jun ZHANG, and Chi TANG. "Investigation on separation efficiency of liquid/solid hydrocyclone." Journal of Hydrodynamics, Ser. B 18, no. 3 (July 2006): 400–404. http://dx.doi.org/10.1016/s1001-6058(06)60085-1.

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Wang, Li-yang, Zhi-chu Zheng, Jun Guo, Jun Zhang, and Chi Tang. "Investigation on separation efficiency of liquid/solid hydrocyclone." Journal of Hydrodynamics 18, S1 (February 2006): 391–95. http://dx.doi.org/10.1007/bf03400478.

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42

Wakeman, R. J. "Selection of equipment for solid/liquid separation processes." Filtration & Separation 32, no. 4 (April 1995): 328. http://dx.doi.org/10.1016/0015-1882(95)90165-5.

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Wakeman, R. J. "Selection of equipment for solid/liquid separation processes." Filtration & Separation 32, no. 4 (April 1995): 337–41. http://dx.doi.org/10.1016/0015-1882(95)90169-8.

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44

Flieger, Jolanta, Joanna Feder-Kubis, and Małgorzata Tatarczak-Michalewska. "Chiral Ionic Liquids: Structural Diversity, Properties and Applications in Selected Separation Techniques." International Journal of Molecular Sciences 21, no. 12 (June 15, 2020): 4253. http://dx.doi.org/10.3390/ijms21124253.

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Ionic liquids (ILs) are chemical compounds composed of ions with melting points below 100 °C exhibiting a design feature. ILs are commonly used as the so-called green solvents, reagents or highly efficient catalysts in varied chemical processes. The huge application potential of ionic liquids (IL) justifies the growing interest in these compounds. In the last decade, increasing attention has been devoted to the development of new methods in the synthesis of stable chiral ionic liquids (CILs) and their application in various separation techniques. The beginnings of the successful use of CILs to separate enantiomers date back to the 1990 s. Most chiral ILs are based on chiral cations or chiral anions. There is also a limited number of CILs possessing both a chiral cation and a chiral anion. Due to the high molecular diversity of both ions, of which at least one has a chiral center, we have the possibility to design a large variety of optically active structures, thus expanding the range of CIL applications. Research utilizing chiral ionic liquids only recently has become more popular. However, it is the area that still has great potential for future development. This review aimed to describe the diversity of structures, properties and examples of applications of chiral ionic liquids as new chiral solid materials and chiral components of the anisotropic environment, providing chiral recognition of enantiomeric analytes, which is useful in liquid chromatography, countercurrent chromatography and other various CIL-based extraction techniques including aqueous biphasic (ABS) extraction systems, solid–liquid two-phase systems, liquid–liquid extraction systems with hydrophilic CILs, liquid–liquid extraction systems with hydrophobic CILs, solid-phase extraction and induced-precipitation techniques developed in the recent years. The growing demand for pure enantiomers in the pharmaceutical and food industries sparks further development in the field of extraction and separation systems modified with CILs highlighting them as affordable and environmentally friendly both chiral selectors and solvents.

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OTSUKI, Akira, Guangjun MEI, Yuren JIANG, Mitsuaki MATSUDA, Atsushi SHIBAYAMA, Jun SADAKI, and Toyohisa FUJITA. "Solid-Solid Separation of Fluorescent Powders by Liquid-Liquid Extraction Using Aqueous and Organic Phases." Resources Processing 53, no. 3 (2006): 121–33. http://dx.doi.org/10.4144/rpsj.53.121.

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46

Puri, Bal K., Kenneth W. Jackson, and Mohan Katyal. "Analytical applications of the technique of solid-liquid separation after liquid-liquid extraction." Microchemical Journal 36, no. 2 (October 1987): 135–58. http://dx.doi.org/10.1016/0026-265x(87)90147-0.

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47

Akhiar, Afifi, Felipe Guilayn, Michel Torrijos, Audrey Battimelli, Abd Halim Shamsuddin, and Hélène Carrère. "Correlations between the Composition of Liquid Fraction of Full-Scale Digestates and Process Conditions." Energies 14, no. 4 (February 12, 2021): 971. http://dx.doi.org/10.3390/en14040971.

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Fast development of centralized agricultural biogas plants leads to high amounts of digestate production. The treatment and disposal of liquid fractions after on-site digestate solid–liquid separation remains problematic due to their high organic, nutrient and aromatic contents. This work aims to study the variability of the remaining compounds in the digestate liquid fractions in relation to substrate origin, process parameters and solid–liquid separation techniques. Twenty-nine digestates from full-scale codigestion biogas plants and one waste activated sludge (WAS) digestate were collected and characterized. This study highlighted the combined effect of the solid–liquid separation process and the anaerobic digestion feedstock on the characteristics of liquid fractions of digestates. Two major clusters were found: (1) liquid fractions from high efficiency separation process equipment (e.g., centrifuge and others with addition of coagulant, flocculent or polymer) and (2) liquid fractions from low efficiency separation processes (e.g., screw press, vibrating screen and rotary drum), in this latter case, the concentration of chemical oxygen demand (COD) was associated with the proportion of cow manure and energy crops at biogas plant input. Finally, SUVA254, an indicator for aromatic molecule content and the stabilization of organic matter, was associated with the hydraulic retention time (HRT).

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Sokolovic, Dunja, Dragan Govedarica, and Radmila Secerov-Sokolovic. "Influence of fluid properties and solid surface energy on efficiency of bed coalescence." Chemical Industry and Chemical Engineering Quarterly 24, no. 3 (2018): 221–30. http://dx.doi.org/10.2298/ciceq170304034s.

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Emulsion separation is important in industry due to economic, safety, and ecological reasons. It can be applied in liquid-liquid extraction, effluent treatment, heat exchange, and fuel and chemical purification. In case of both oil-in-water and water-in-oil emulsions, regardless of their quantity and phase concentration, bed coalescence is a good and economical solution for separation. Due to the complexity of the bed coalescence phenomenon, the coalescer design relies on the base of the experimental test. The design strategy of a coalescer to separate oils of different quality in time is additionally complicated. This paper presents a literature review on the current understanding of the influence of properties of both liquids and surface phenomena of filter media on emulsion separation efficiency using steady-state bed coalescence. The influence of oil viscosity, interfacial tension, density, molecular weight, emulsivity and dielectric constant of mineral oil is presented. The effect of solid surface roughness and wettability on separation efficiency is also elaborated.

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Sha, Jie, Guang Yuan Xie, Yao Li Peng, and Ben Xuan Shi. "Hydrodynamics of Coarse Coal Slime and Quartz Particles in a Liquid-Solid Fluidized Bed Separator." Advanced Materials Research 279 (July 2011): 350–55. http://dx.doi.org/10.4028/www.scientific.net/amr.279.350.

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The hydrodynamics of particles of coarse coal slime and quartz of different sizes in a liquid-solid fluidized bed separator were investigated experimentally, including minimum fluidization velocities, bed expansion ratios, and segregation of mixed particles with two methods. Experimental parameters studied included density and size of particle, superficial water velocity and initial static bed height. The results provide a reference for choice of size scope on coarse coal slime separation by liquid-solid fluidized bed separators.

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Zhang, Xinxing, Chunjing Liu, Wenhua Liao, Shanshan Wang, Weitao Zhang, Jianzhi Xie, and Zhiling Gao. "Separation efficiency of different solid-liquid separation technologies for slurry and gas emissions of liquid and solid fractions: A meta-analysis." Journal of Environmental Management 310 (May 2022): 114777. http://dx.doi.org/10.1016/j.jenvman.2022.114777.

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Journal articles on the topic 'Solid liquid separation'

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