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Importance of emulsions in crystallization—applications for fat crystallization

Sandra PETERSEN, K. CHALEEPA, Joachim ULRICH

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 43-48 doi: 10.1007/s11705-013-1309-6

Abstract: Three applications with industrial relevance were chosen for investigation: fat fractionation, the solidificationFor fat fractionation and phase change materials, emulsification can be applied as a tool to improve

Keywords： emulsion     fat crystallization     phase change material     emulsion fractionation     emulsion solidification    

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Relationship of Structure and Stability in Emulsion Explosvie

Wang Xuguang,Shen Yingfeng

Strategic Study of CAE 2000, Volume 2, Issue 2,   Pages 24-29

Abstract: Through the study on structure, this paper systematically analysed various factors affecting stability of emulsionThe experimental results show that the osmosis pressures of several kinds of stable emulsion explosive

Keywords： emulsion explosives     structure     stability    

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Continuous size fractionation of magnetic nanoparticles by using simulated moving bed chromatography

Carsten-Rene Arlt, Dominik Brekel, Stefan Neumann, David Rafaja, Matthias Franzreb

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1346-1355 doi: 10.1007/s11705-021-2040-3

Abstract: The size fractionation of magnetic nanoparticles is a technical problem, which until today can only beUsing magnetic chromatography, we show a promising method for fractionation of magnetic nanoparticlesSince the strength of this interaction is related to particle size, the principle is suitable for size fractionationeasy scalability of continuous chromatography, the process is a promising approach for the efficient fractionation

Keywords： magnetic chromatography     simulated moving bed chromatography     magnetic nanoparticles     size fractionation    

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Variation in humic and fulvic acids during thermal sludge treatment assessed by size fractionation, elementary

Yuning YANG,Huan LI,Jinyi LI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 854-862 doi: 10.1007/s11783-014-0755-9

Abstract: Thermal pretreatment can be applied to sludge anaerobic digestion or dewatering. To analyze the variation in humic substances during thermal sludge treatment, sludge humic and fulvic acids were extracted before and after 30-min thermal treatment at 180°C, and then their contents, molecular weight distributions, elementary compositions, and spectral characteristics were compared. The results showed that the total contents of humic and fulvic acids in the sludge almost remained constant during thermal treatment, but 35% of humic and fulvic acids were dissolved from the sludge solids. Moreover, both humic and fulvic acids were partly decomposed and 32% of humic acids were converted to fulvic acids. The median value of the molecular weights of humic acids decreased from 81 to 41 kDa and that of fulvic acids decreased from 15 to 2 kDa. Besides the reduction in molecular size, the chemical structures of humic and fulvic acids also exhibited a slight change, i.e. some oxygen functional groups disappeared and aromatic structures increased after thermal sludge treatment.

Keywords： sludge     thermal treatment     humic acids     fulvic acids    

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Performance and emission characteristics of a diesel engine operating on different water in diesel emulsion

Seyed Saeed HOSEINI, Mohammad Amin SOBATI

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 636-657 doi: 10.1007/s11708-019-0646-7

Abstract: The nitrogen oxide (NO ) release of diesel engines can be reduced using water in diesel emulsion fuelIn the present paper, different formulations of water in diesel emulsion fuels were prepared by ultrasonicThe water droplet size in the emulsion, polydisperisty index, and the stability of prepared fuel wasConsidering multi-objective optimization, the best formulation for the emulsion fuel was found to beA comparison was made between the best emulsion fuel and the neat diesel fuel for engine performance

Keywords： water in diesel emulsion fuel     hydrophilic-lipophilic balance (HLB)     response surface methodology (RSM)     emulsion stability     engine performance     exhaust emission    

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Optimising the oil phases of aluminium hydrogel-stabilised emulsions for stable, safe and efficient vaccine adjuvant

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 973-984 doi: 10.1007/s11705-021-2123-1

Abstract: From a clinical translational perspective, it is imperative to screen the optimal oils for enhanced emulsionAdditionally, the underlying mechanisms of oil phases and emulsion stability were unravelled, which showedBy optimising the oil phase of the emulsion adjuvants, this work may offer an alternative strategy forsafe, stable, and effective emulsion adjuvants.

Keywords： pickering emulsion     vaccine adjuvant     alum-stabilised emulsion     oleic to linoleic acid ratio     stability    

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Selectively structural fractionation and economical-functionality conversion of lignocellulosic biomass

Chen Hongzhang,Qiu Weihua and Wang Lan

Strategic Study of CAE 2014, Volume 16, Issue 3,   Pages 27-36

Abstract:

In this paper，an innovative biomass- refining path called“selective- fractionation and economical-functionalityIn conclusion，“selective- fractionation and economical-functionality”of lignocellulosic materials

Keywords： biorefining     heterogeneity of raw material     selective-fractionation and economical-functionality     industrialized    

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Comparison of analytical procedures for measuring phosphorus content of animal manures in China

Guohua LI, Qian LIU, Haigang LI, Fusuo ZHANG

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 431-440 doi: 10.15302/J-FASE-2019279

Abstract: intensive and extensive production systems in several areas of China was investigated with sequential fractionationThe mean total P concentration, determined by the sequential fractionation procedure of intensive swine

Keywords： diet phosphorus     manure phosphorus     sequential P fractionation    

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Porous ultrathin-shell microcapsules designed by microfluidics for selective permeation and stimuli-triggered release

Frontiers of Chemical Science and Engineering   Pages 1643-1650 doi: 10.1007/s11705-022-2201-z

Abstract: Microcapsules are versatile delivery vehicles and widely used in various areas. Generally, microcapsules with solid shells lack selective permeation and only exhibit a simple release mode. Here, we use ultrathin-shell water-in-oil-in-water double emulsions as templates and design porous ultrathin-shell microcapsules for selective permeation and multiple stimuli-triggered release. After preparation of double emulsions by microfluidic devices, negatively charged shellac nanoparticles dispersed in the inner water core electrostatically complex with positively charged telechelic α,ω-diamino functionalized polydimethylsiloxane polymers dissolved in the middle oil shell at the water/oil interface, thus forming a porous shell of shellac nanoparticles cross-linked by telechelic polymers. Subsequently, the double emulsions become porous microcapsules upon evaporation of the middle oil phase. The porous ultrathin-shell microcapsules exhibit excellent properties, including tunable size, selective permeation and stimuli-triggered release. Small molecules or particles can diffuse across the shell, while large molecules or particles are encapsulated in the core, and release of the encapsulated cargos can be triggered by osmotic shock or a pH change. Due to their unique performance, porous ultrathin-shell microcapsules present promising platforms for various applications, such as drug delivery.

Keywords： microcapsule     emulsion     microfluidics     selective permeation     stimuli-triggered release    

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Characterization of phosphorus species and modeling for its organic forms in eutrophic shallow lake sediments, North China

Hongguang CHENG,Xiao PU,Yiting CHEN,Fanghua HAO,Liming DONG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 905-921 doi: 10.1007/s11783-014-0650-4

Abstract: P fractionation was performed by a sequential extraction scheme, categorized as loosely bound P (NH Cl-P

Keywords： phosphorus fractionation     variation characteristics     modeling     sediment     Baiyangdian Lake    

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Enhanced electrokinetic remediation of chromium-contaminated soil using approaching anodes

Shucai LI, Tingting LI, Gang LI, Fengmei LI, Shuhai GUO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 869-874 doi: 10.1007/s11783-012-0437-4

Abstract: After remediation, soil pH, total chromium, and fractionation of chromium in the soil were determined

Keywords： approaching anodes     chromium-contaminated soil     electrokinetics     chromium fractionation    

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TiO@palygorskite composite for the efficient remediation of oil spills via a dispersion-photodegradation synergy

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1365-3

Abstract:

• A novel and multi-functional clay-based oil spill remediation system was constructed.

Keywords： Palygorskite     TiO2     Pickering emulsion     Oil spill     Dispersion     Photodegradation    

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Ether-/Ester-/Fluorine-Rich Binding Emulsion Formula for Lithium-Ion Batteries Article

Xianqing Zeng, Donglin Han, Zeheng Li, Hongxun Wang, Gu Wu, Yong Deng, Kai Liu, Li Xie, Chengdu Liang, Min Ling, Yuchuan Huang

Engineering 2022, Volume 19, Issue 12,   Pages 199-206 doi: 10.1016/j.eng.2022.05.020

Abstract:

Practical application of a Si anode in a high-energy-density battery cannot be achieved due to the huge volume expansion of these anodes. Researchers have focused on adding binders to the anode to restrict volume expansion in order to address this issue, as the hydrogen bonds and mechanical properties of binders can be used to enhance adhesion and accommodate the volume changes of a Si anode. Herein, we comprehensively consider binders’ hydrogen bonds, mechanical properties, stability, and compatibility with the electrolyte solution, and design an ether-/ester-/fluorine-rich composite polymer, P(TFEMA-co-IBVE). The proposed binder formula possesses outstanding stability, adhesion, and mechanical strength; moreover, it can accommodate the dramatic volume changes of a Si electrode and exhibits excellent electrochemical performance, achieving a high areal capacity of about 5.4 mA∙h∙cm−2. This novel polymer design may be applied to other electrode materials in the next generation of lithium-ion batteries.

Keywords： Silicon anode     Emulsion copolymerization     Fluorine atom     Ether     Ester    

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Membrane Contact Demulsification: A Superhydrophobic ZIF-8@rGO Membrane for Water-in-Oil Emulsion Separation Article

Jiahui Gu, Zhou Qu, Xiangning Zhang, Hongwei Fan, Chunxi Li, Jürgen Caro, Hong Meng

Engineering 2023, Volume 23, Issue 4,   Pages 73-81 doi: 10.1016/j.eng.2022.02.017

Abstract: surface, which results in a water–oil interface imbalance when a surfactant-stabilized water-in-oil emulsion" concept paves the way for developing next-generation demulsifying membranes for water-in-oil emulsion

Keywords： Water-in-oil emulsion     Demulsification     Oil/water separation     Superhydrophobic membrane    

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Gas marbles: ultra-long-lasting and ultra-robust bubbles formed by particle stabilization

Frontiers of Chemical Science and Engineering   Pages 1681-1687 doi: 10.1007/s11705-022-2180-0

Abstract: Bubbles and foams are ubiquitous in daily life and industrial processes. Studying their dynamic behaviors is of key importance for foam manufacturing processes in food packaging, cosmetics and pharmaceuticals. Bare bubbles are inherently fragile and transient; enhancing their robustness and shelf lives is an ongoing challenge. Their rupture can be attributed to liquid evaporation, thin film drainage and the nuclei of environmental dust. Inspired by particle-stabilized interfaces in Pickering emulsions, armored bubbles and liquid marble, bubbles are protected by an enclosed particle-entrapping liquid thin film, and the resultant soft object is termed gas marble. The gas marble exhibits mechanical strength orders of magnitude higher than that of soap bubbles when subjected to overpressure and underpressure, owing to the compact particle monolayer straddling the surface liquid film. By using a water-absorbent glycerol solution, the resulting gas marble can persist for 465 d in normal atmospheric settings. This particle-stabilizing approach not only has practical implications for foam manufacturing processes but also can inspire the new design and fabrication of functional biomaterials and biomedicines.

Keywords： bubble     particles     interfaces     armored bubble     liquid marble     gas marble     Pickering emulsion    

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Title Author Date Type Operation

Importance of emulsions in crystallization—applications for fat crystallization

Sandra PETERSEN, K. CHALEEPA, Joachim ULRICH

Journal Article

Relationship of Structure and Stability in Emulsion Explosvie

Wang Xuguang,Shen Yingfeng

Journal Article

Continuous size fractionation of magnetic nanoparticles by using simulated moving bed chromatography

Carsten-Rene Arlt, Dominik Brekel, Stefan Neumann, David Rafaja, Matthias Franzreb

Journal Article

Variation in humic and fulvic acids during thermal sludge treatment assessed by size fractionation, elementary

Yuning YANG,Huan LI,Jinyi LI

Journal Article

Performance and emission characteristics of a diesel engine operating on different water in diesel emulsion

Seyed Saeed HOSEINI, Mohammad Amin SOBATI

Journal Article

Optimising the oil phases of aluminium hydrogel-stabilised emulsions for stable, safe and efficient vaccine adjuvant

Journal Article

Selectively structural fractionation and economical-functionality conversion of lignocellulosic biomass

Chen Hongzhang,Qiu Weihua and Wang Lan

Journal Article

Comparison of analytical procedures for measuring phosphorus content of animal manures in China

Guohua LI, Qian LIU, Haigang LI, Fusuo ZHANG

Journal Article

Porous ultrathin-shell microcapsules designed by microfluidics for selective permeation and stimuli-triggered release

Journal Article

Characterization of phosphorus species and modeling for its organic forms in eutrophic shallow lake sediments, North China

Hongguang CHENG,Xiao PU,Yiting CHEN,Fanghua HAO,Liming DONG

Journal Article

Enhanced electrokinetic remediation of chromium-contaminated soil using approaching anodes

Shucai LI, Tingting LI, Gang LI, Fengmei LI, Shuhai GUO

Journal Article

TiO@palygorskite composite for the efficient remediation of oil spills via a dispersion-photodegradation synergy

Journal Article

Ether-/Ester-/Fluorine-Rich Binding Emulsion Formula for Lithium-Ion Batteries

Xianqing Zeng, Donglin Han, Zeheng Li, Hongxun Wang, Gu Wu, Yong Deng, Kai Liu, Li Xie, Chengdu Liang, Min Ling, Yuchuan Huang

Journal Article

Membrane Contact Demulsification: A Superhydrophobic ZIF-8@rGO Membrane for Water-in-Oil Emulsion Separation

Jiahui Gu, Zhou Qu, Xiangning Zhang, Hongwei Fan, Chunxi Li, Jürgen Caro, Hong Meng

Journal Article

Gas marbles: ultra-long-lasting and ultra-robust bubbles formed by particle stabilization

Journal Article