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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.3sub>OH selectivity (

CH<

sub>3sub>OH and improving the hydrogenation rateHence, 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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Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Frontiers of Chemical Science and Engineering Pages 1659-1671 doi: 10.1007/s11705-022-2173-z

Abstract: For decades, distiller waste and CO2sub> were not the first choice for production of high valuedWhen 2.5 L·min^–1·L^–1 CO2sub> was flowed into distiller waste (pH = 11.4)Firstly, the Ca(OH)2sub> in the distiller waste stimulated the nucleation of calcite with a non-template>3sub>.>3sub> particles from cubic calcite to spherical clusters.

Keywords： distiller waste CO2sub> hollow microsphere CaCO3sub> Ca(OH)2sub> inside−out

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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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Enhancing the aromatic selectivity of cyclohexane aromatization by CO2sub> coupling

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11, Pages 1801-1808 doi: 10.1007/s11705-023-2325-9

Abstract: Herein, CO2sub> is introduced into the cyclohexane conversion process on the HZSM-5 zeolite, whichcan improve the aromatic selectivity.sub>) selectivity of 48.2% can be obtained at the conditions of 2.7 MPa (CO2sub>), 450 °C, and1.7 h⁻¹, which is better than that without CO2sub> (aromatic selectivity = 43.2%).¹³C isotope labeling experimental results demonstrate that CO2sub> can enter into the

Keywords： aromatics carbon dioxide aromatization coupling reaction ZSM-5 zeolite

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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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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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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).Ni-Co/Al O -ZrO bimetallic catalyst has good performance in the reduction of active components Ni, Coand CO adsorption.According to the CH -CO -TPSR, there were 80.9% and 81.5% higher CH and CO conversion over Ni-Co/Al

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

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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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Tuning the catalytic selectivity in electrochemical CO

Jiafang XIE,Yuxi HUANG,Hanqing YU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5, Pages 861-866 doi: 10.1007/s11783-014-0742-1

Abstract: Electrochemical conversion of CO to hydrocarbons can relieve both environmental and energy stresses.However, electrocatalysts for this reaction usually suffer from a poor product selectivity and a largeHere we report that tunable catalytic selectivity for hydrocarbon formation could be achieved on Cu nanomaterialsnanowires preferred the formation of C H , while the Cu nanoneedles favored the production of more CHwork provides a facile synthetic strategy for preparing Cu-based nanomaterials to achieve selective CO

Keywords： electrochemical CO2sub> reduction Cu oxide nanostructure selectivity hydrocarbon formation

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Generation of enhanced stability of SnO/In(OH)/InP for photocatalytic water splitting by SnO protection

Frontiers in Energy 2021, Volume 15, Issue 3, Pages 710-720 doi: 10.1007/s11708-021-0764-x

Abstract: activity of the InP-based catalyst are effectively enhanced by applying an anti-corrosion SnO layer and In(OH)3sub> transition layer, which reduces the crystal mismatch between SnO and InP and increasesThe obtained Pt/SnO/In(OH)3sub>/InP exhibits a hydrogen production rate of 144.42 µmol/g in 3illumination in multi-cycle tests without remarkable decay, 123 times higher than that of naked In(OH)3sub>/InP without any electron donor under visible irradiation.

Keywords： SnO/In(OH)3sub>/InP photocatalyst enhanced activity and stability for water splitting corrosion

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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 performance(ether-block-amide) (PEBAX-1657) mixed matrix membranes (MMMs) were investigated from pressures of 3–The incorporation of TiO nanoparticles into the polymeric MMMs improved the CO /CH gas separation performance(both the permeability and selectivity) of the membranes.The 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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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-monolayersHowever, the formation of crystalline Co3sub>O4sub> above the capacity is harmful to thecapacity 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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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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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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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 successfullyThis catalyst exhibited a higher selectivity to KA-oil, which was benefited from the synergistic effectsbetween Co³⁺/Co²⁺ and Ce⁴⁺/Ce³⁺ redox pairs, than bulk CeO2sub> and/or Co3sub>O4sub>.was achieved over Co3sub>O4sub>–CeO2sub>.

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

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Title Author Date Type Operation

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

Journal Article

Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Journal Article

Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Journal Article

Enhancing the aromatic selectivity of cyclohexane aromatization by CO2sub> coupling

Journal Article

Frontier science and challenges on offshore carbon storage

Journal Article

Review on cryogenic technologies for CO removal from natural gas

Yujing BI, Yonglin JU

Journal Article

Ni-Co bimetallic catalyst for CH

Xiaohong LI, Jun AI, Wenying LI, Dongxiong LI

Journal Article

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

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

Tuning the catalytic selectivity in electrochemical CO

Jiafang XIE,Yuxi HUANG,Hanqing YU

Journal Article

Generation of enhanced stability of SnO/In(OH)/InP for photocatalytic water splitting by SnO protection

Journal Article

Effect of TiO

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

Journal Article

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

Journal Article

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

Xiying Hao, Francis J. Larney

Journal Article

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

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

Journal Article

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

Journal Article

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