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Lagrangian simulation of deposition of CO gas-solid sudden expansion flow

HUANG Dongping, DING Guoliang, QUACK Hans

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 216-221 doi: 10.1007/s11708-008-0032-3

Abstract: Freezing and blockage resulting from the deposition of solid CO formed because of sudden expansion ofTo overcome this problem, the characteristics of the CO gas-solid sudden expansion flow are studied byA comparison of the calculated deposition of the solid CO with the experimental results shows that theyThe simulation results show that the size of the solid CO formed should not be in the range of 0.04–0.07

Keywords： comparison     gas-solid     downstream     blockage     Lagrangian    

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CFD simulation of jet behaviors in a binary gas-solid fluidized bed: comparisons with experiments

Pei PEI, Guiying WU, Bangting YU, Kai ZHANG, Jianchun JIANG, Dongsheng WEN,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 242-249 doi: 10.1007/s11705-009-0277-3

Abstract: Based on the experimental observation of the fluidization characteristics of solid mixtures (resin andA simple mathematical model, by introducing two additional force terms in both gas and particle phasemomentum equations of Gidaspow’s inviscid two-fluid model, is used to explore the effects of jet gasThe simulated jet penetration depth increases with the increase of jet gas velocity and the volume fraction

Keywords： mathematical     two-dimensional     flotsam-on-jetsam     fluidization velocity     physical    

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Influence of environmental temperature and relative humidity on photocatalytic oxidation of toluene on activated carbon fibers coated TiO

GUO Ting, BAI Zhipeng, WU Can, ZHU Tan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 224-229 doi: 10.1007/s11783-008-0039-3

Abstract: In this paper, the influence of environmental temperature (T) and relative humidity (RH) on the gas-solidadsorption of toluene and the photocatalytic oxidation (PCO) efficiency of adsorbed toluene on TiO/ACFresults showed that although the PCO efficiency increased under high RH and T levels, the amount of adsorption

Keywords： application     gas-solid adsorption     technique     TiO/ACF     experimental    

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Particle-scale simulation of fluidized bed with immersed tubes

ZHAO Yongzhi, JIANG Maoqiang, CHENG Yi

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 341-345 doi: 10.1007/s11705-008-0046-8

Abstract: In order to simulate gas-solids flows with complex geometry, the boundary element method was incorporatedThe gas-solid flow pattern in the fluidized bed is changed greatly because of the immersed tubes.As particles and gas are come in contact with the immersed tubes, the gas bubbles will be deformed.

Keywords： unfavorable     computational     gas-solid     particle     discrete    

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Dehydration of natural gas and biogas streams using solid desiccants: a review

Soheil Bahraminia, Mansoor Anbia, Esmat Koohsaryan

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1050-1074 doi: 10.1007/s11705-020-2025-7

Abstract: the gas processing equipment by increasing the gas’s corrosion potential or clogging the pipelines dueto gas hydrate formation.Thus, removing water vapor from these gas streams is mandatory.In this review paper, the main dehydration methods have been overviewed, and scrutiny of the adsorptionFurthermore, the most important solid desiccants and their improvements have been reviewed.

Keywords： natural gas     biogas     dehydration     adsorption     solid desiccant    

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Simulation of horizontal slug-flow pneumatic conveying with kinetic theory

GU Zhengmeng, GUO Liejin

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 336-340 doi: 10.1007/s11708-007-0050-6

Abstract: Kinetic theory was introduced to establish a 3D kinetic numerical model for wavelike slug gas-solid flow

Keywords： velocity distribution     detailed     slug-flow     gas-solid     theory    

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Numerical simulation of two-dimensional spouted bed with draft plates by discrete element method

ZHAO Yongzhi, JIANG Maoqiang, CHENG Yi, JIN Yong

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 5-9 doi: 10.1007/s11705-008-0009-0

Abstract: The motion of particles was modeled by the DEM and the gas flow was modeled by the Navier-Stokes equationThe interactions between gas and particles were considered using a two-way coupling method.BEM-DEM-CFD simulation and the variation of the flow pattern in the bed with different superficial gasThe relationship between the pressure drop of the spouted bed and the superficial gas velocity was achievedThe flow characteristics of the gas-solid system in the two-dimensional spouted bed were clearly described

Keywords： annulus     BEM-DEM-CFD simulation     gas-solid     two-dimensional     relationship    

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Polypropylene microplastics alter the cadmium adsorption capacity on different soil solid fractions

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 3-3 doi: 10.1007/s11783-021-1437-z

Abstract: However, the effect of MPs on the interaction between heavy metals and soil, especially in soil solidIn this study, batch experiments were performed to investigate the adsorption characteristics of Cd inbulk soil and three soil solid fractions (i.e. particulate organo matter (POM), organic-mineral compounds

Keywords： Polypropylene microplastics     Cadmium     Adsorption     POM     OMC     Mineral    

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Atomistic simulations for adsorption and separation of flue gas in MFI zeolite and MFI/MCM-41 micro/mesoporous

Shengchi ZHUO, Yongmin HUANG, Jun HU, Honglai LIU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 264-273 doi: 10.1007/s11705-010-1007-6

Abstract: Adsorption of pure CO and N and separation of CO /N mixture in MFI zeolite and MFI/MCM-41 micro/mesoporous

Keywords： adsorption     diffusion     CO2     flue gas     zeolite     micro/mesoporous composite    

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Simultaneous analysis of five taste and odor compounds in surface water using solid-phase extractionand gas chromatography-mass spectrometry

Wenfeng SUN, Ruibao JIA, Baoyu GAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 66-74 doi: 10.1007/s11783-010-0257-3

Abstract: In this paper, a method using solid-phase extraction (SPE) and gas chromatography-mass spectrometry (

Keywords： solid-phase extraction (SPE)     gas chromatography-mass spectrometry (GC-MS)     taste and odor compounds     surface    

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Part-load, startup, and shutdown strategies of a solid oxide fuel cell-gas turbine hybrid system

Yang LI, Yiwu WENG, Shilie WENG

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 181-194 doi: 10.1007/s11708-011-0149-7

Abstract: Current work on the performance of a solid oxide fuel cell (SOFC) and gas turbine hybrid system is presentedThe gas turbine is driven by complementary fuel and supplies compressed air to heat up or cool down the

Keywords： solid oxide fuel cell (SOFC)     hybrid system     part-load strategy     startup     shutdown    

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CO, N, and CO/N mixed gas injection for enhanced shale gas recovery and CO geological storage

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 428-445 doi: 10.1007/s11708-023-0865-9

Abstract: In this work, using fractured shale cores, isothermal adsorption experiments and core flooding testsThe adsorption process of shale to different gases was in agreement with the extended-Langmuir model,and the adsorption capacity of CO2 was the largest, followed by CH4, and thatIn addition, when the CO2 concentration in the mixed gas exceeded 50%, the adsorption capacityof the mixed gas was greater than that of CH4, and had a strong competitive adsorption effect

Keywords： shale gas     gas injection     competitive adsorption     enhanced shale gas recovery     CO2 geological    

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metal ions onto metal–organic frameworks: implications for the ‘‘versatility’’ of these materials as solid

Frontiers of Chemical Science and Engineering   Pages 1632-1642 doi: 10.1007/s11705-022-2187-6

Abstract: Although metal–organic frameworks offer a new platform for developing versatile sorption materials, yet coordinating the functionality, structure and component of these materials remains a great challenge. It depends on a comprehensive knowledge of a “real sorption mechanism”. Herein, a ternary mechanism for U(VI) uptake in metal–organic frameworks was reported. Analogous MIL-100s (Al, Fe, Cr) were prepared and studied for their ability to sequestrate U(VI) from aqueous solutions. As a result, MIL-100(Al) performed the best among the tested materials, and MIL-100(Cr) performed the worst. The nuclear magnetic resonance technique combined with energy-dispersive X-ray spectroscopy and zeta potential measurement reveal that U(VI) uptake in the three metal–organic frameworks involves different mechanisms. Specifically, hydrated uranyl ions form outer-sphere complexes in the surface of MIL-100s (Al, Fe) by exchanging with hydrogen ions of terminal hydroxyl groups (Al-OH2, Fe-OH2), and/or, hydrated uranyl ions are bound directly to Al(III) center in MIL-100(Al) through a strong inner-sphere coordination. For MIL-100(Cr), however, the U(VI) uptake is attributed to electrostatic attraction. Besides, the sorption mechanism is also pH and ionic strength dependent. The present study suggests that changing metal center of metal–organic frameworks and sorption conditions alters sorption mechanism, which helps to construct effective metal–organic frameworks-based sorbents for water purification.

Keywords： U(VI)     metal–organic frameworks     adsorption mechanism     metal node    

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Adsorption of benzene and toluene from waste gas using activated carbon activated by ZnCl

Leila KARIMNEZHAD,Mohammad HAGHIGHI,Esmaeil FATEHIFAR

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 835-844 doi: 10.1007/s11783-014-0695-4

Abstract: The performance of the synthesized carbons evaluated in adsorption of benzene and toluene from wastegas.influence of impregnation ratio on the characteristics of synthesized activated carbons as well as their adsorptionExperimental results for benzene and toluene adsorption showed a high potential of employing synthesizedimpregnated activated carbon for treatment of waste gas.

Keywords： Chemical activation     activated carbon     textural characterization     adsorption     benzene     toluene    

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Determination of selected semi-volatile organic compounds in water using automated online solid-phaseextraction with large-volume injection/gas chromatography/mass spectrometry

Yongtao LI, Christina L. MCCARTY, Ed J. GEORGE

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 417-425 doi: 10.1007/s11783-011-0310-x

Abstract: The method used an automated online solid-phase extraction technique coupled with programmed-temperaturevaporization large-volume injection gas chromatography/mass spectrometry.

Keywords： automated solid-phase extraction     programmed-temperature vaporization     large-volume injection     gas chromatography    

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Title Author Date Type Operation

Lagrangian simulation of deposition of CO gas-solid sudden expansion flow

HUANG Dongping, DING Guoliang, QUACK Hans

Journal Article

CFD simulation of jet behaviors in a binary gas-solid fluidized bed: comparisons with experiments

Pei PEI, Guiying WU, Bangting YU, Kai ZHANG, Jianchun JIANG, Dongsheng WEN,

Journal Article

Influence of environmental temperature and relative humidity on photocatalytic oxidation of toluene on activated carbon fibers coated TiO

GUO Ting, BAI Zhipeng, WU Can, ZHU Tan

Journal Article

Particle-scale simulation of fluidized bed with immersed tubes

ZHAO Yongzhi, JIANG Maoqiang, CHENG Yi

Journal Article

Dehydration of natural gas and biogas streams using solid desiccants: a review

Soheil Bahraminia, Mansoor Anbia, Esmat Koohsaryan

Journal Article

Simulation of horizontal slug-flow pneumatic conveying with kinetic theory

GU Zhengmeng, GUO Liejin

Journal Article

Numerical simulation of two-dimensional spouted bed with draft plates by discrete element method

ZHAO Yongzhi, JIANG Maoqiang, CHENG Yi, JIN Yong

Journal Article

Polypropylene microplastics alter the cadmium adsorption capacity on different soil solid fractions

Journal Article

Atomistic simulations for adsorption and separation of flue gas in MFI zeolite and MFI/MCM-41 micro/mesoporous

Shengchi ZHUO, Yongmin HUANG, Jun HU, Honglai LIU

Journal Article

Simultaneous analysis of five taste and odor compounds in surface water using solid-phase extractionand gas chromatography-mass spectrometry

Wenfeng SUN, Ruibao JIA, Baoyu GAO

Journal Article

Part-load, startup, and shutdown strategies of a solid oxide fuel cell-gas turbine hybrid system

Yang LI, Yiwu WENG, Shilie WENG

Journal Article

CO, N, and CO/N mixed gas injection for enhanced shale gas recovery and CO geological storage

Journal Article

metal ions onto metal–organic frameworks: implications for the ‘‘versatility’’ of these materials as solid

Journal Article

Adsorption of benzene and toluene from waste gas using activated carbon activated by ZnCl

Leila KARIMNEZHAD,Mohammad HAGHIGHI,Esmaeil FATEHIFAR

Journal Article

Determination of selected semi-volatile organic compounds in water using automated online solid-phaseextraction with large-volume injection/gas chromatography/mass spectrometry

Yongtao LI, Christina L. MCCARTY, Ed J. GEORGE

Journal Article