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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: The solubility of Pd(NO<sub>3sub>)<sub>2sub> in water is moderate whereas it is completely soluble/sub>)<sub>2sub> and Pd(NO<sub>3sub>)<sub>2sub> solution in dilute HNO<sub>3sub> and used forThe catalysts synthesized with Pd(NO<sub>3sub>)<sub>2sub> solution in dilute HNO<sub>3sub> showedelectron density of Pd resulting from the electron donor ability of the NH<sub>2sub> functional groupof MIL-101-NH<sub>2sub>(Cr) structure during the reduction process.

Keywords： CO oxidation     heterogeneous catalysis     metal-organic framework     NH<sub>2sub> functional group     PdNi    

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The catalytic effect of both oxygen-bearing functional group and ash in carbonaceous catalyst on CH 4-CO 2 reforming

Weidong ZHANG, Yongfa ZHANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 147-152 doi: 10.1007/s11705-009-0242-1

Abstract: The effect of both oxygen-bearing functional group such as phenolic hydroxyl, carbonyl, carboxyl, andWith the decrease of oxygen-bearing functional group, the catalytic activity of carbonaceous catalystThe oxygen-bearing functional groups play a significant role in the carbonaceous-catalyzed CO-CH reforming

Keywords： oxygen-bearing functional     carboxyl     phenolic hydroxyl     CH-CO reformation     CO-CH reforming    

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Effects of functional groups for CO

Chenkai Gu, Yang Liu, Weizhou Wang, Jing Liu, Jianbo Hu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 437-449 doi: 10.1007/s11705-020-1961-6

Abstract: Functional groups on organic linkers of MOFs play important roles in improving the CO capture abilityfunctionalization effects on CO adsorption were systematically investigated by rationally incorporating various functionalIn addition, three kinds of molecular interactions between CO and functional groups were analyzed andEspecially, our results reveal that –SO H is the best-performing functional group for CO capture in

Keywords： metal-organic frameworks     functional groups     CO<sub>2sub> capture     GCMC     DFT    

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Highly effective visible-photocatalytic hydrogen evolution and simultaneous organic pollutant degradation over an urchin-like oxygen-doped MoS/ZnInS composite

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1566-z

Abstract:

● An urchin-like OMS/ZIS composite was fabricated by a facile solvothermal method.

Keywords： Dual-functional photocatalysts     Oxygen-doped MoS<sub>2sub>/ZnIn<sub>2sub>S<sub>4sub>     H<sub>2sub> evolution     Organic pollutant    

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Dual-functional sites for synergistic adsorption of Cr(VI) and Sb(V) by polyaniline-TiO hydrate: Adsorption

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1526-7

Abstract:

• PANI/Ti(OH)<sub>nsub>(4–n

Keywords： Polyaniline/TiO<sub>2sub>     Chromium     Antimony     Adsorption     Desorption     Mechanism    

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Mechanism insight into the formation of HS from thiophene pyrolysis: A theoretical study

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1404-8

Abstract:

• Possible formation pathways of H<sub>2sub>S were revealed in thiophene

Keywords： Density functional theory     Waste rubber     Thiophene     H<sub>2sub>S     Pyrolysis    

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Research and Development of High Performance Ceramics With Structural and Functional Properties Combined

Jiang Dongliang

Strategic Study of CAE 2003, Volume 5, Issue 2,   Pages 35-39

Abstract: properties, possible application fields and mass production problems of ceramics with structural and functional

Keywords： structural and functional properties combined     high performance ceramics     SiC     Nd - YAG     RE-Si<sub>3sub>N<sub>4sub>    

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Rh<sub>2sub>O<sub>3sub>/hexagonal CePO<sub>4sub> nanocatalysts for N<sub>2sub>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: Hexagonal CePO nanorods were prepared by a precipitation method and hexagonal CePO nanowires were prepared by hydrothermal synthesis at 150 °C. Rh(NO ) was then used as a precursor for the impregnation of Rh O onto these CePO materials. The Rh O supported on the CePO nanowires was much more active for the catalytic decomposition of N O than the Rh O supported on CePO nanorods. 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. The samples were characterized by N adsorption-desorption, inductively coupled plasma optical emission spectroscopy, X-ray diffraction, transmission electron microscopy, X-ray photoelectron microscopy, hydrogen temperature-programmed reduction, oxygen temperature-programmed desorption, and CO temperature-programmed desorption in order to correlate the physicochemical and catalytic properties.

Keywords： Rh<sub>2sub>O<sub>3sub>     CePO<sub>4sub>     N<sub>2sub>O decomposition    

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Engineering a Coordinatively Unsaturated Au–O–Ti3+ Structure Toward Unprecedented H<sub>2sub> Efficiency for Low-Temperature Propene Epoxidation with H<sub>2sub> and O<sub>2sub> Article

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

Engineering 2023, Volume 25, Issue 6,   Pages 144-156 doi: 10.1016/j.eng.2023.01.008

Abstract: >2sub> and O<sub>2sub> at a relatively high temperature, although they are limited by poor H<sub>2sub> efficiency.(XPS) characterizations, together with density-functional theory (DFT) calculations, demonstrated that>2sub> adsorption ability of the catalyst and promoting the in situ formation of H<sub>2sub>O<sub>2sub> and the Ti–OOH intermediate, even at a low temperature.

Keywords： Propene epoxidation     H<sub>2sub> efficiency     Au/Ti bifunctional catalysts     Coordinatively unsaturatedTi     Density-functional theory    

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CO<sub>2sub> methanation and co-methanation of CO and CO<sub>2sub> over Mn-promoted Ni/Al<sub>2sub>O<sub>3sub> 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: A series of Mn-promoted 15 wt-% Ni/Al O catalysts were prepared by an incipient wetness impregnation method. The effect of the Mn content on the activity of the Ni/Al O catalysts for CO methanation and the co-methanation of CO and CO in a fixed-bed reactor was investigated. The catalysts were characterized by N physisorption, hydrogen temperature-programmed reduction and desorption, carbon dioxide temperature-programmed desorption, X-ray diffraction and high-resolution transmission electron microscopy. The presence of Mn increased the number of CO adsorption sites and inhibited Ni particle agglomeration due to improved Ni dispersion and weakened interactions between the nickel species and the support. The Mn-promoted 15 wt-% Ni/Al O catalysts had improved CO methanation activity especially at low temperatures (250 to 400 °C). The Mn content was varied from 0.86% to 2.54% and the best CO conversion was achieved with the 1.71Mn-Ni/Al O catalyst. The co-methanation tests on the 1.71Mn-Ni/Al O catalyst indicated that adding Mn markedly enhanced the CO methanation activity especially at low temperatures but it had little influence on the CO methanation performance. CO methanation was more sensitive to the reaction temperature and the space velocity than the CO methanation in the co-methanation process.

Keywords： Mn promotion     nickel catalysts     CO<sub>2sub> methanation     co-methanation of CO and CO<sub>2sub>    

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A consensus model for group decision making under interval type-2 fuzzy environment

Xiao-xiong ZHANG,Bing-feng GE,Yue-jin TAN

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 3,   Pages 237-249 doi: 10.1631/FITEE.1500198

Abstract: We propose a new consensus model for group decision making (GDM) problems, using an interval type-2 fuzzyexperts are asked to express their preferences using linguistic terms characterized by interval type-2fuzzy sets (IT2 FSs), because these can provide decision makers with greater freedom to express the vaguenessConsensus and proximity measures based on the arithmetic operations of IT2 FSs are used simultaneously

Keywords： Group decision making (GDM)     Interval type-2 fuzzy sets (IT2 FSs)     Feedback mechanism    

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A Storage-Driven CO<sub>2sub> 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.>2sub> emissions by storing CO<sub>2sub> in oil reservoirs.CO<sub>2sub> EOR—whose main target is to realize net-zero or even negative CO<sub>2sub> emissionsStorage-driven CO<sub>2sub> EOR is superior to conventional CO<sub>2sub> EOR in improving sweepingthan conventional CO<sub>2sub> EOR.

Keywords： CO<sub>2sub>     EOR     Net CO<sub>2sub>     emissions     Dimethyl ether     Storage-driven CO<sub>2sub>     EOR     CO<sub>2sub>     sequestration    

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Al<sub>2sub>O<sub>3sub> and CeO<sub>2sub>-promoted MgO sorbents for CO<sub>2sub> 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 moderate temperatures. The 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 was 61% higher than that of MgO (15.3 mg-CO /g-sorbent). The highest capacity of 35.3 mg-CO /g-sorbent was obtained over the CeO -MgO sorbents at the optimal temperature of 200 °C. Combining with the characterization results, we conclude that the promotion effect on CO sorption with the addition of Al O and CeO can be attributed to the increased surface area with reduced MgO crystallite size. Moreover, the addition of CeO increased the basicity of MgO phase, resulting in more increase in the CO capacity than Al O promoter. Both the Al O -MgO and CeO -MgO sorbents exhibited better cyclic stability than MgO over the course of fifteen CO sorption-desorption cycles. Compared to Al O , CeO is more effective for promoting the CO capacity of MgO. To enhance the CO capacity of MgO sorbent, increasing the basicity is more effective than the increase in the surface area.

Keywords： CO<sub>2sub> capture     MgO sorbents     Al<sub>2sub>O<sub>3sub>     CeO<sub>2sub>     flue gas    

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The stabilization effect of Al<sub>2sub>O<sub>3sub> on unconventional Pb/SiO<sub>2sub> catalyst

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1423-1429 doi: 10.1007/s11705-023-2315-y

Abstract: Similar to Sn, Pb located at the same group (IVA) in the periodic table of elements, can also catalyzeTo enhance the stability, the traditional carrier Al<sub>2sub>O<sub>3sub> with a small amount, wasintroduced into Pb/SiO<sub>2sub> catalyst in this study.It has been proved that Al<sub>2sub>O<sub>3sub> can inhibit the reduction of PbO, and weaken the>2sub>O<sub>3sub> addition was also proposed.

Keywords： Pb/SiO<sub>2sub>     Al<sub>2sub>O<sub>3sub>     propane dehydrogenation     propene     stability    

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A density functional theory study of methane activation on MgO supported NiM cluster: role of M on C–H

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1485-1492 doi: 10.1007/s11705-022-2169-8

Abstract: activation on MgO supported Ni–M (M = Fe, Co, Cu, Pd, Pt) cluster was explored through detailed density functionalCH<sub>4sub> adsorption on Cu promoted Ni cluster requires overcoming an energy of 0.07 eV, indicatingThe role of M on the first C–H bond cleavage of CH<sub>4sub> was investigated.In addition, doping the elements of the same family, like Pd and Pt, for CH<sub>4sub> activation is>4sub> raises with the CH<sub>4sub> electron gain increasing.

Keywords： CH<sub>4sub> dissociation     Ni–M     C–H bond activation     charge transfer    

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Title Author Date Type Operation

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

Journal Article

The catalytic effect of both oxygen-bearing functional group and ash in carbonaceous catalyst on CH 4-CO 2 reforming

Weidong ZHANG, Yongfa ZHANG,

Journal Article

Effects of functional groups for CO

Chenkai Gu, Yang Liu, Weizhou Wang, Jing Liu, Jianbo Hu

Journal Article

Highly effective visible-photocatalytic hydrogen evolution and simultaneous organic pollutant degradation over an urchin-like oxygen-doped MoS/ZnInS composite

Journal Article

Dual-functional sites for synergistic adsorption of Cr(VI) and Sb(V) by polyaniline-TiO hydrate: Adsorption

Journal Article

Mechanism insight into the formation of HS from thiophene pyrolysis: A theoretical study

Journal Article

Research and Development of High Performance Ceramics With Structural and Functional Properties Combined

Jiang Dongliang

Journal Article

Rh<sub>2sub>O<sub>3sub>/hexagonal CePO<sub>4sub> nanocatalysts for N<sub>2sub>O decomposition

Huan Liu, Zhen Ma

Journal Article

Engineering a Coordinatively Unsaturated Au–O–Ti3+ Structure Toward Unprecedented H<sub>2sub> Efficiency for Low-Temperature Propene Epoxidation with H<sub>2sub> and O<sub>2sub>

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

Journal Article

CO<sub>2sub> methanation and co-methanation of CO and CO<sub>2sub> over Mn-promoted Ni/Al<sub>2sub>O<sub>3sub> catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

A consensus model for group decision making under interval type-2 fuzzy environment

Xiao-xiong ZHANG,Bing-feng GE,Yue-jin TAN

Journal Article

A Storage-Driven CO<sub>2sub> EOR for a Net-Zero Emission Target

Yueliang Liu, Zhenhua Rui

Journal Article

Al<sub>2sub>O<sub>3sub> and CeO<sub>2sub>-promoted MgO sorbents for CO<sub>2sub> capture at moderate

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

Journal Article

The stabilization effect of Al<sub>2sub>O<sub>3sub> on unconventional Pb/SiO<sub>2sub> catalyst

Journal Article

A density functional theory study of methane activation on MgO supported NiM cluster: role of M on C–H

Journal Article