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VALORIZATION OF BIOGAS THROUGH SIMULTANEOUS CO AND HS REMOVAL BY RENEWABLE AQUEOUS AMMONIA SOLUTION IN

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 468-478 doi: 10.15302/J-FASE-2022473

Abstract:

● Simultaneous H2S and CO2 removal from biogas

Keywords： biomethane     biogas purification     CO2 removal     H2S removal     membrane absorption    

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Review on cryogenic technologies for CO removal from natural gas

Yujing BI, Yonglin JU

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 793-811 doi: 10.1007/s11708-022-0821-0

Abstract: Compared with conventional methods, cryogenic technologies for CO2 removal from NG have attractedwhich provides a basis for the process design of cryogenic CO2 removal from NG.Then, the detailed techniques of design and optimization for cryogenic CO2 removal in recentFinally, several improvements for further development of the cryogenic CO2 removal processThe removal process in combination with the phase change and the traditional techniques with renewable

Keywords： cryogenic CO2 removal     purification of natural gas (NG)     biogas upgrading     CH4-CO2 binary system    

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EFFICIENT CONTAMINANT REMOVAL FROM LIQUID DIGESTATE OF PIG MANURE BY CHEMICAL PRECIPITATION AND CO MINERALIZATION

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 479-491 doi: 10.15302/J-FASE-2023480

Abstract:

● LFD was treated by fly ash-based chemical precipitation and CO

Keywords： anaerobic digestion     chemical oxygen demand     fly ash     ion removal     total phosphate    

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Research progress in removal of trace carbon dioxide from closed spaces

ZHANG Yatao, FAN Lihai, ZHANG Lin, CHEN Huanlin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 310-316 doi: 10.1007/s11705-007-0057-x

Abstract: In this paper, the removal of trace carbon dioxide from closed spaces through membrane process and biotransformationIt is found that higher CO removal efficiency can be obtained in biotransformation and membrane process

Keywords： removal efficiency     consumption     removal     CO removal     membrane microalgae    

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Microbial electrolysis cells with biocathodes and driven by microbial fuel cells for simultaneous enhanced Co(II) and Cu(II) removal

Jingya SHEN,Yuliang SUN,Liping HUANG,Jinhui YANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1084-1095 doi: 10.1007/s11783-015-0805-y

Abstract: Previous tests have primarily examined Cu(II) and Co(II) removal in microbial electrolysis cells (MECsHowever, Cu(II) and Co(II) removal rates were still slow.Here we report MECs with biocathodes and driven by MFCs where enhanced removal rates of 6.0±0.2 mg?L h for Co(II) at an initial 40 mg?This study provides a beneficial attempt to achieve simultaneous enhanced Cu(II) and Co(II) removal,

Keywords： biocathode     microbial electrolysis cell     microbial fuel cell     Cu(II) removal     Co(II) removal    

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Arsenic (V) removal from groundwater by GE-HL nanofiltration membrane: effects of arsenic concentration, pH, and co-existing ions

Xiaowei WANG, Wenjun LIU, Weifang MA, Desheng LI,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 428-433 doi: 10.1007/s11783-009-0146-9

Abstract: A laboratory-scale investigation was performed to study arsenic (As (V)) removal by negatively chargedEffects of As (V) concentration (0–200μg·L), pH, and co-ions and counter-ionsMoreover, a negative relationship was observed between the co-existing ions of Cl, Na, SO, and Ca andthe removal of As (V), in which bivalent ions presented more significant effects than monovalent ions

Keywords： nanofiltration (NF)     rejection rate     co-existing ion     co-ion     counter-ion    

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Ammonia removal from low-strength municipal wastewater by powdered resin combined with simultaneous recovery

Kuo Fang, Fei Peng, Hui Gong, Huanzhen Zhang, Kaijun Wang

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1300-7

Abstract: . • Powdered resin achievedefficient ammonia removal under various working conditions. • Co-existingThus, various technologies for nutrient removal and recovery have been developed.In this paper, powdered ion exchange resin was employed for ammonia removal and recovery from imitatedFurther, the effects of co-existing cations (Ca2+, Mg2+, K+) were studied.

Keywords： Ammonia removal and recovery     Powdered resin     Crystallization process     Struvite     Co-existing cations    

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Study of the robustness of a low-temperature dual-pressure process for removal of CO

Stefania Moioli, Laura A. Pellegrini, Paolo Vergani, Fabio Brignoli

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 209-225 doi: 10.1007/s11705-017-1688-1

Abstract: ., CO ) in the stream to be treated, traditional purification processes may be too energy intensive and

Keywords： CO2 capture     innovative process     cryogenic distillation     dynamic simulation     solid-liquid-vapor    

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Recovery of waste heat in cement plants for the capture of CO

Ruifeng DONG, Zaoxiao ZHANG, Hongfang LU, Yunsong YU

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 104-111 doi: 10.1007/s11705-011-1166-0

Abstract: manufacturing of cement especially during the calcination process which also emits large amounts of COA process to capture CO by integrating the recovery and utilization of waste heat has been designed.calculations: 1) the generating capacity of the waste heat recovery system is 4.9 MW. 2) The overall COremoval rate was as high as 78.5%. 3) The efficiency of energy utilization increased after the cement

Keywords： cement industry     waste heat     recovery     utilization     CO2 removal    

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Funding Bonanza Lifts CO2 Removal Technology to Demonstration Phase

Sarah C.P. Williams

Engineering 2023, Volume 22, Issue 3,   Pages 7-9 doi: 10.1016/j.eng.2023.01.002

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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: conducted to investigate the performance of injecting different gases to enhance shale gas recovery and COto different gases was in agreement with the extended-Langmuir model, and the adsorption capacity of COFor the core flooding tests, pure gas injection showed that the breakthrough time of CO2 wasFor CO2/N2 mixed gas injection, with the increase of CO2 concentration2/N2 = 8:2 was close to that of pure CO2, about 40.24%.

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

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An investigation of the CHOH and CO selectivity of CO hydrogenation over Cu–Ce–Zr catalysts

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 950-962 doi: 10.1007/s11705-022-2162-2

Abstract: A series of Cu–Ce–Zr catalysts with different Ce contents are applied to the hydrogenation of CO2 to CO/CH3OH products.The Cu–Ce–Zr catalyst with 2 wt% Ce loading shows higher CO selectivity (SCO = 0.0%–87.8%) from 200–300 °C, while the Cu–Ce–Zr catalyst with 8 wt% Ce loading presents higher CO2CO2 adsorption ability.

Keywords： CO2 hydrogenation     Cu–Ce–Zr     hydroxyls     CO/CH3OH selectivity    

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Conversion of CO into CO by high active and stable PdNi nanoparticles supported on a metal-organic framework

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1139-1148 doi: 10.1007/s11705-021-2111-5

Abstract: sub>)2 and Pd(NO3)2 solution in dilute HNO3 and used for CO70Ni30/MIL-101(Cr) revealed the stable structure and activity during reduction and CO

Keywords： CO oxidation     heterogeneous catalysis     metal-organic framework     NH2 functional group     PdNi    

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Removal of SO

Xiaolei LI, Chunying ZHU, Youguang MA

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 185-191 doi: 10.1007/s11705-013-1326-5

Abstract: In this work, the removal of SO from gas mixture with air and SO by ammonium bicarbonate aqueous solutionconcentration of ammonium bicarbonate, the SO inlet concentration of gas phase and the gas flow rate on the removalshorter the lasting time of SO completely removed in gas outlet, and then the faster the decrease in the removalsolution pH was less than the critical pH, it would sharply fall, resulting in a rapid decrease of the SO removalA theoretical model for predicting the SO removal rate has been developed by taking the chemical enhancement

Keywords： SO2 removal     bubble column reactor     removal rate     ammonium bicarbonate     absorbent    

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Title Author Date Type Operation

VALORIZATION OF BIOGAS THROUGH SIMULTANEOUS CO AND HS REMOVAL BY RENEWABLE AQUEOUS AMMONIA SOLUTION IN

Journal Article

Review on cryogenic technologies for CO removal from natural gas

Yujing BI, Yonglin JU

Journal Article

EFFICIENT CONTAMINANT REMOVAL FROM LIQUID DIGESTATE OF PIG MANURE BY CHEMICAL PRECIPITATION AND CO MINERALIZATION

Journal Article

Research progress in removal of trace carbon dioxide from closed spaces

ZHANG Yatao, FAN Lihai, ZHANG Lin, CHEN Huanlin

Journal Article

Microbial electrolysis cells with biocathodes and driven by microbial fuel cells for simultaneous enhanced Co(II) and Cu(II) removal

Jingya SHEN,Yuliang SUN,Liping HUANG,Jinhui YANG

Journal Article

Arsenic (V) removal from groundwater by GE-HL nanofiltration membrane: effects of arsenic concentration, pH, and co-existing ions

Xiaowei WANG, Wenjun LIU, Weifang MA, Desheng LI,

Journal Article

Ammonia removal from low-strength municipal wastewater by powdered resin combined with simultaneous recovery

Kuo Fang, Fei Peng, Hui Gong, Huanzhen Zhang, Kaijun Wang

Journal Article

Study of the robustness of a low-temperature dual-pressure process for removal of CO

Stefania Moioli, Laura A. Pellegrini, Paolo Vergani, Fabio Brignoli

Journal Article

Recovery of waste heat in cement plants for the capture of CO

Ruifeng DONG, Zaoxiao ZHANG, Hongfang LU, Yunsong YU

Journal Article

Funding Bonanza Lifts CO2 Removal Technology to Demonstration Phase

Sarah C.P. Williams

Journal Article

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

Journal Article

CO2 methanation and co-methanation of CO and CO2 over Mn-promoted Ni/Al2

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

An investigation of the CHOH and CO selectivity of CO hydrogenation over Cu–Ce–Zr catalysts

Journal Article

Conversion of CO into CO by high active and stable PdNi nanoparticles supported on a metal-organic framework

Journal Article

Removal of SO

Xiaolei LI, Chunying ZHU, Youguang MA

Journal Article