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Enhanced performance of oxygen vacancies on CO adsorption and activation over different phases of ZrO

Frontiers in Energy 2023, Volume 17, Issue 4, Pages 545-554 doi: 10.1007/s11708-023-0867-7

Abstract: The effect of oxygen vacancies on the adsorption and activation of CO2sub> on the surface of differentof CO2sub>.The adsorption energy of CO2sub> on the c-ZrO2sub>, t-ZrO2sub> and, m-ZrO2CO2sub> dissociation on the defective surfaces of c-ZrO2CO2sub> on the ZrO2sub> surface where oxygen vacancies are

Keywords： CO2sub> activation oxygen vacancies ZrO2sub> different phases

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Tuning porosity of coal-derived activated carbons for CO2 adsorption

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9, Pages 1345-1354 doi: 10.1007/s11705-022-2155-1

Abstract: 2sub> adsorption performance.Specifically, the method involved the variation of the activation temperature in a K2sub>CO<subCO2sub> adsorption isotherms revealed that the microporous activated carbon has the highest measuredCO2sub> adsorption capacity (6.0 mmol∙g^–1 at 0 °C and 4.1 mmol∙g^–1 at 25The adsorption experiments on the activated carbons established the criterion for designing CO2<

Keywords： coal-derived activated carbons porosity CO2sub> adsorption molecular dynamics

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Fabrication of coconut shell-derived porous carbons for CO adsorption application

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8, Pages 1122-1130 doi: 10.1007/s11705-022-2292-6

Abstract: 2sub> capture performance.The optimal adsorbent was achieved a high CO2sub> uptake capacity of 5.92 and 4.15 mmol·g^{More importantly, as-prepared carbon adsorbent exhibited moderate isosteric heat of adsorption and highCO2sub>/N2sub> selectivity.as a solid-state adsorbent for the CO2sub> capture.}

Keywords： porous carbons CO2sub> adsorption KOH activation single step reaction biomass

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CO2sub> methanation and co-methanation of CO and CO2sub> over Mn-promoted Ni/Al2sub>O3sub> catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2, Pages 273-280 doi: 10.1007/s11705-016-1563-5

Abstract: The effect of the Mn content on the activity of the Ni/Al O catalysts for CO methanation and the co-methanationof CO and CO in a fixed-bed reactor was investigated.The presence of Mn increased the number of CO adsorption sites and inhibited Ni particle agglomerationCO methanation activity especially at low temperatures but it had little influence on the CO methanationin the co-methanation process.

Keywords： Mn promotion nickel catalysts CO2sub> methanation co-methanation of CO and CO2sub>

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Detection of CO

Veselina Georgieva, Richard Retoux, Valerie Ruaux, Valentin Valtchev, Svetlana Mintova

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1, Pages 94-102 doi: 10.1007/s11705-017-1692-5

Abstract: present study reports on the preparation of zeolite films doped with iron nanoparticles for detection of COThe Fe-LTL zeolite films were used to detect O and CO in a concentration dependent mode, followed byasymmetric stretching) corresponding to the presence of O and CO , respectively, were evaluated.The response to O and CO was instant, which was attributed to great accessibility of the iron in theThe saturation of the Fe-LTL films with CO and O at each concentration was reached within less than

Keywords： zeolite films detection of CO2sub> and O2sub> adsorption

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A Storage-Driven CO2sub> EOR for a Net-Zero Emission Target Article

Yueliang Liu, Zhenhua Rui

Engineering 2022, Volume 18, Issue 11, Pages 79-87 doi: 10.1016/j.eng.2022.02.010

Abstract: >2sub> emissions by storing CO2sub> in oil reservoirs.CO2sub> EOR—whose main target is to realize net-zero or even negative CO2sub> emissionsStorage-driven CO2sub> EOR is superior to conventional CO2sub> EOR in improving sweepingthan conventional CO2sub> EOR.Moreover, the amount of sequestrated CO2 in storage-driven CO2sub> EOR exceeds the amount

Keywords： CO2sub> EOR Net CO2sub> emissions Dimethyl ether Storage-driven CO2sub> EOR CO2sub> sequestration

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Optimization of electrochemically synthesized Cu

Kasra Pirzadeh, Ali Asghar Ghoreyshi, Mostafa Rahimnejad, Maedeh Mohammadi

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2, Pages 233-247 doi: 10.1007/s11705-019-1893-1

Abstract: , a common type of metal organic framework (MOF), was synthesized through electrochemical route for COusing 1 g of ligand, applied voltage of 25 V, synthesis time of 2 h, and electrode length of 3 cm.The isosteric heat of adsorption of both gases was calculated by inserting temperature-dependent formThe adsorption of CO /N binary mixture with a concentration ratio of 15/85 vol-% was also studied experimentallyMoreover, Cu (BTC) showed no considerable loss in CO adsorption after six sequential cycles.

Keywords： Cu3sub>(BTC)2sub> electrochemical synthesis CO2sub> adsorption Taguchi optimization

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Development of H2sub>O/CO2sub> co-electrolysis in solid oxide electrolysis cell

Fan Hui,Song Shidong,Han Minfang

Strategic Study of CAE 2013, Volume 15, Issue 2, Pages 107-112

Abstract: In this paper, the progress on structure and working principle of SOEC for co-electrolyzing steamThe structure of SOEC, the recent development of high temperature steam/CO2 co-electrolysis from

Keywords： SOEC H2sub>O/CO2sub> co-electrolysis syngas electrolysis efficiency water electrolysis

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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: and the adsorption capacity of CO2sub> was the largest, followed by CH4,sub> and thatIn addition, when the CO2sub> concentration in the mixed gas exceeded 50%, the adsorption capacityFor CO2sub>/N2sub> mixed gas injection, with the increase of CO2sub> concentration2sub>/N2sub> = 8:2 was close to that of pure CO2sub>, about 40.24%.> gas injection was about 35.96%, while for mixed gas CO2sub>/N2sub> = 8:2,

Keywords： shale gas gas injection competitive adsorption enhanced shale gas recovery CO2sub> geological

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Frontier science and challenges on offshore carbon storage

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1680-6

Abstract:

● The main direct seal up carbon options and challenges are reviewed.

Keywords： Offshore carbon storage Direct CO2sub> injection CO2sub>-CH4sub> replacement CO2sub>-EOR CCS hubs CO2sub> transport

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Integrated adsorption and absorption process for post-combustion CO

Gongkui Xiao, Penny Xiao, Andrew Hoadley, Paul Webley

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3, Pages 483-492 doi: 10.1007/s11705-020-1964-3

Abstract: This study explored the feasibility of integrating an adsorption and solvent scrubbing process for post-combustionCO capture from a coal-fired power plant.This integrated process has two stages: the first is a vacuum swing adsorption (VSA) process using activatedThe results showed that the adsorption process could enrich CO in the flue gas from 12 to 50 mol-% witha CO recovery of >90%, and the concentrated CO stream fed to the solvent scrubber had a significantly

Keywords： vacuum swing adsorption monoethanolamine post-combustion CO2sub> capture integrated process

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Reduction potential of the energy penalty for CO capture in CCS

Frontiers in Energy 2023, Volume 17, Issue 3, Pages 390-399 doi: 10.1007/s11708-023-0864-x

Abstract: CO2sub> capture and storage (CCS) has been acknowledged as an essential part of a portfolio oftechnologies that are required to achieve cost-effective long-term CO2sub> mitigation.One of the crucial reasons for this delay lies in the unaffordable penalty caused by CO2sub> capture

Keywords： CO2sub> capture and storage (CCS) CO2sub> separation energy penalty

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Al2sub>O3sub> and CeO2sub>-promoted MgO sorbents for CO2sub> capture at moderate

Huimei Yu, Xiaoxing Wang, Zhu Shu, Mamoru Fujii, Chunshan Song

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1, Pages 83-93 doi: 10.1007/s11705-017-1691-6

Abstract: A series of Al O and CeO modified MgO sorbents was prepared and studied for CO sorption at moderateThe CO sorption capacity of MgO was enhanced with the addition of either Al O or CeO .Over Al O -MgO sorbents, the best capacity of 24.6 mg-CO /g-sorbent was attained at 100 °C, which was61% higher than that of MgO (15.3 mg-CO /g-sorbent).Compared to Al O , CeO is more effective for promoting the CO capacity of MgO.

Keywords： CO2sub> capture MgO sorbents Al2sub>O3sub> CeO2sub> flue gas

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ZnFe2sub>O4sub> deposited on BiOCl with exposed (001) and (010) facets for photocatalyticreduction of CO2sub> in cyclohexanol

Guixian Song, Xionggang Wu, Feng Xin, Xiaohong Yin

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2, Pages 197-204 doi: 10.1007/s11705-016-1606-y

Abstract: The samples were then used as catalysts for the photocatalytic reduction of CO in cyclohexanol underThe photocatalytic CO reduction activities over the hydrothermally prepared ZnFe O -BiOCl compositesfacets with ultraviolet light produces photo-generated electrons which is helpful for the reduction of COto ·CO .The mechanism for the photocatalytic reduction of CO in cyclohexanol over ZnFe O -BiOCl composites with

Keywords： reduction of CO2sub> cyclohexanol ZnFe2sub>O4sub> deposited BiOCl facet composite

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Efficient CO

Yanxia Wang, Xiude Hu, Tuo Guo, Jian Hao, Chongdian Si, Qingjie Guo

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3, Pages 493-504 doi: 10.1007/s11705-020-1967-0

Abstract: The CO adsorption mechanism for the NACs was then explored.Under a pressure of 1 bar, sample NAC-650-650 shows the highest CO adsorption capacity up to 5.96 andThe CO adsorption capacity of the NAC-650-650 sample maintains over 97% after ten cycles.contribute more to the CO adsorption.The CO adsorption kinetics for NACs at room temperature and in pure CO is in accordance with the pseudo-first-order

Keywords： porous carbon CO2sub> adsorption nitrogen-doped adsorption mechanism kinetics