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Ni-Co bimetallic catalyst for CH

Xiaohong LI, Jun AI, Wenying LI, Dongxiong LI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 476-480 doi: 10.1007/s11705-010-0512-y

Abstract: A co-precipitation method was employed to prepare Ni/Al O -ZrO , Co/Al O -ZrO and Ni-Co/Al O -ZrO catalysts-TPD), and temperature-programmed surface reaction (CH -TPSR and CO -TPSR).sites (C+ CO = 2CO) for the methane-reforming reaction, and a more appropriate force formed betweenAccording to the CH -CO -TPSR, there were 80.9% and 81.5% higher CH and CO conversion over Ni-Co/AlO -ZrO catalyst, and its better resistance to carbon deposition, less than 0.5% of coke after 4 h reaction

Keywords： Ni-Co bimetallic catalyst composite support CH4sub> reforming with CO2sub>

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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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Effect of carbon deposition over carbonaceous catalysts on CH

Yongfa ZHANG, Meng ZHANG, Guojie ZHANG, Huirong ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 481-485 doi: 10.1007/s11705-010-0523-8

Abstract: bed reactor to understand the influence of carbon deposition obtained under different conditions on CH-CO reforming.-CO reforming.The carbon deposition Type I generated at 900°C has a minor effect on CH -CO reforming and it easily-CO reforming and it is difficult to react with carbon dioxide.

Keywords： carbon deposition carbonaceous catalyst CH4sub>-CO2sub> reforming

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Design and analysis of dual fuel methanol-power poly-generation

Minghua WANG , Zheng LI , Weidou NI ,

Frontiers in Energy 2009, Volume 3, Issue 3, Pages 341-347 doi: 10.1007/s11708-009-0023-z

Abstract: A dual fuel head poly-generation flowsheet was designed based on coal gas and coke oven gas. To help clearly understand the system performance, a 1.2×10−3.2×10kg methanol and 274―496MW power poly-generation system was simulated by using the commercially available software ASPEN Plus and GT Pro. The technology scheme, the operating parameters, and the efficiency of the system were also analyzed and evaluated, which will be used for building industrial devices.

Keywords： dual fuel methanol-power poly-generation CO2sub> and CH4sub> reforming splitting ratio

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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: CO2sub> in natural gas (NG) is prone to condense directly from gas to solid or solidify from liquidMeanwhile, CO2sub> will also affect the calorific value of NG.Based on the above reasons, CO2sub> must be removed during the NG liquefaction process.In this paper, the phase behavior of the CH4sub>-CO2sub> binary mixture is summarized,which provides a basis for the process design of cryogenic CO2sub> removal from NG.

Keywords： cryogenic CO2sub> removal purification of natural gas (NG) biogas upgrading CH4sub>-CO2sub> binary system

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Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3, Pages 265-270 doi: 10.1007/s11783-009-0019-2

Abstract: CoO-SnO hybrid oxides were prepared by the coprecipitation method and were used to oxidate methane (CHThe CoO-SnO with a molar ratio of Co/(Co+Sn) at 0.75 exhibited the highest catalytic activity among allExperimental results showed that the catalysts were considerably stable in the CH combustion reaction

Keywords： Co3sub>O4sub>-SnO2sub> complete oxidation methane (CH4sub>)

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Effect of TiO

Navid Azizi, Mojgan Isanejad, Toraj Mohammadi, Reza M. Behbahani

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3, Pages 517-530 doi: 10.1007/s11705-018-1781-0

Abstract: The effects of the titanium dioxide nanoparticle load on the morphology and CO /CH separation performanceThe incorporation of TiO nanoparticles into the polymeric MMMs improved the CO /CH gas separation performanceThe CO permeability and ideal CO /CH selectivity values of the nanocomposite membrane loaded with 8

Keywords： mixed matrix membrane TiO2sub> nanoparticles PEBAX-1657 CO2sub>/CH4sub> separation

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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 underultraviolet irradiation to give cyclohexanone (CH) and cyclohexyl formate (CF).The photocatalytic CO reduction activities over the hydrothermally prepared ZnFe O -BiOCl compositesHigher CF and CH yields were obtained for the pure BiOCl and BiOCl composite samples with more exposedto ·CO .

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

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Greenhouse gas emissions during co-composting of cattle feedlot manure with construction and demolition

Xiying Hao, Francis J. Larney

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0955-1

Abstract: The CK and DG manures were co-composted with (4:1) C&D waste (treatments: CK_CD DG_CD), composted aloneComposting with C&D waste produced similar CO emissions, about double that from manure stockpiling (In contrast, CH emissions were reduced by the inclusion of C&D waste (64 gC·m with C&D vs. 244 gC·mwithout C&D) while the manure stockpile emitted the greatest amount of CH (464 gC·m ).Additionally, only 0.48% of C was emitted in CH form with C&D waste, compared to 1.68% when composting

Keywords： Livestock manure greenhouse gas flux straw bale compost bin N2sub>O CH4sub> CO2sub

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CH4sub> and N2sub>O emissions from double-rice cropping system as affected by Chinese milk

Heshui XU,Dengyun LI,Bo ZHU,Kai ZHANG,Yadong YANG,Chen WANG,Ying JIANG,Zhaohai ZENG

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1, Pages 59-68 doi: 10.15302/J-FASE-2017137

Abstract: However, little is known about the integrated impacts of CMV and RS incorporation on CH and N O emissionsestimate the integrated impacts of CMV and RS incorporation in the early- and late-rice seasons on CHHowever, both CMV and RS incorporation increased CH emissions.Annual CH emissions ranged from 321 to 614 kg·hm from CMV and RS amendment treatments, which were 1.5RS amendments replacing N fertilizer, maintained stable yield, mitigated N O emission, but enhanced CH

Keywords： Chinese milk vetch CH4sub> double-rice cropping system grain yield N2sub>O rice straw

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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: 2sub> to CO/CH3sub>OH products.The Cu–Ce–Zr catalyst with 2 wt% Ce loading shows higher CO selectivity (SCOsub> = 0.0%The solid solution enhances the CO2sub> adsorption ability.Hence, the Cu–Ce–Zr catalyst with 8 wt% Ce loading favors CH3sub>OH selectivity and CO2sub>2sub> hydrogenation to CH3sub>OH.

Keywords： CO2sub> hydrogenation Cu–Ce–Zr hydroxyls CO/CH3sub>OH selectivity

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Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8, Pages 1211-1223 doi: 10.1007/s11705-022-2145-3

Abstract: In this study, a Co3sub>O4sub>–CeO2sub> composite oxide catalyst was successfullyprepared through ultrasound-assisted co-precipitation.³⁺/Co²⁺ and Ce⁴⁺/Ce³⁺ redox pairs, than bulk CeO2sub> and/or Co3sub>O4sub>.3sub>O4sub>–CeO2sub>.

Keywords： Co3sub>O4sub>–CeO2sub> composite oxides cyclohexanone cyclohexanol ultrasonic-assistedco-precipitation selective oxidation solvent-free

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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.CO methanation activity especially at low temperatures but it had little influence on the CO methanationCO methanation was more sensitive to the reaction temperature and the space velocity than the CO methanationin the co-methanation process.

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

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On the monolayer dispersion behavior of Co3sub>O4sub> on HZSM-5 support: designing applicable

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11, Pages 1741-1754 doi: 10.1007/s11705-023-2332-x

Abstract: Based on monolayer dispersion theory, Co3sub>O4sub>/ZSM-5 catalysts with different loadingsCo3sub>O4sub> can spontaneously disperse on HZSM-5 support with a monolayer dispersionBelow the monolayer dispersion threshold, Co3sub>O4sub> is finely dispersed as sub-monolayersreaction performance. 4% Co3sub>O4sub>/ZSM-5, the catalyst close to the monolayer dispersioncapacity amount of Co3sub>O4sub> onto HZSM-5 support.

Keywords： Co3sub>O4sub>/ZSM-5 NOxsub>-SCR by NH3sub> monolayer dispersionthreshold effect surface acid sites surface active O2sub>^– anions

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Rh2sub>O3sub>/hexagonal CePO4sub> nanocatalysts for N2sub>O decomposition

Huan Liu, Zhen Ma

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4, Pages 586-593 doi: 10.1007/s11705-017-1659-6

Abstract: The stability of both catalysts as a function of time on stream was studied and the influence of the co-feed(CO , O , H O or O /H O) on the N O decomposition was also investigated.microscopy, hydrogen temperature-programmed reduction, oxygen temperature-programmed desorption, and CO

Keywords： Rh2sub>O3sub> CePO4sub> N2sub>O decomposition