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Sustainable H

Ruixue GU, Guangming ZENG, Jingjing SHAO, Yuan LIU, Johannes W. Schwank, Yongdan LI

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 270-278 doi: 10.1007/s11705-013-1337-2

Abstract: A macro-meso-porous monolithic Ni-based catalyst was prepared via an impregnation route using polystyreneThe Ni/Mg-Al catalyst has a hierarchically macro-meso-porous structure as indicated by photographs andThe surface area of the catalyst was 230 m ?g and the Ni dispersion was 5.62%.Compared to the pelletized sample that was prepared without a template, the macro-meso-porous Ni/Mg-AlFurthermore, the monolithic catalyst maintained excellent activity and H selectivity after 100-h on-stream

Keywords： macroporous Ni-based catalyst     monolith     hydrogen production     ethanol steam reforming    

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hydrogenation of insoluble organic matter of CS/Acetone from coal over mesoporous HZSM-5 supported Ni

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1505-1513 doi: 10.1007/s11705-022-2164-0

Abstract: According to the catalytic hydro-conversion results of the model compound, Ni−Ru/HZSM-5 exhibited thealso further heterolytically split H···H into immobile H‒ attached on the acidic centers of Nihydro-conversion of the extraction residue from Naomaohu lignite was further examined over the optimized catalyst, Ni−Ru/HZSM-5.

Keywords： HZSM-5     Ni-based catalyst     catalytic hydrogenation     coal     model compound    

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Steam reforming of toluene as a tar model compound with modified nickel-based catalyst

Omeralfaroug KHALIFA, Mingxin XU, Rongjun ZHANG, Tahir IQBAL, Mingfeng LI, Qiang LU

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 492-501 doi: 10.1007/s11708-021-0721-8

Abstract: In this paper, a modified Ni-based Ni-Co/Al O -CaO (Ni-Co/AC) catalyst and a conventional Ni/Al O (NiThe physicochemical properties of the modified Ni-based catalyst were determined by a series of characterizationThe results indicated that the Ni-Co alloy was determined over the Ni-Co/AC catalyst.over Ni-Co/AC catalyst compared with that over Ni/A catalyst.to carbon deposition was superior to Ni/A catalyst.

Keywords： catalytic steam reforming     tar model compound     Ni-based catalyst     carbon resistance    

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The development of BG2250-125 Ni-based alloy tubing used in severe sour oil field

Shen Chen,Zhang Zhonghua,Zhang Chunxia

Strategic Study of CAE 2010, Volume 12, Issue 10,   Pages 35-38

Abstract:

The development of Ni-based alloy BG2250 tubing used in severe sour gas,the mechanical properties, corrosion resistance and pipe qualities of the Ni-based alloy tubing developedThe Ni-based alloy tubing BG2250-125 has been successfully applied to Puguang gas well, which provides

Keywords： Ni-based alloy     tubing     sour well     product properties    

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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 catalystsNi-Co/Al O -ZrO bimetallic catalyst has good performance in the reduction of active components Ni, CoCompared with mono-metallic catalyst, bimetallic catalyst could provide more active sites and CO adsorptionO -ZrO catalyst, and its better resistance to carbon deposition, less than 0.5% of coke after 4 h reactionThe high activity and excellent anti-coking of the Ni-Co/Al O -ZrO catalyst were closely related to

Keywords： Ni-Co bimetallic catalyst     composite support     CH4 reforming with CO2    

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Performance-enhanced direct ammonia protonic ceramic fuel cells using CeO-supported Ni and Ru catalyst

Frontiers in Energy doi: 10.1007/s11708-024-0959-z

Abstract: sub>3 as fuel within an operating temperature range of 500‒700 °C was improved by adding an M(Ni,Ru)/CeO2 catalyst layer to reconstruct the anode surface.Compared to H2 as fuel, the degradation ratio of peak power densities (PPDs) of Ni/CeObased catalysts have a greater promise for direct ammonia SOFCs (DA-SOFCsHowever, the enhancement effect becomes less significant above 600 °C when compared to Ni-based catalysts

Keywords： ammonia     proton-ceramic fuel cell (PCFC)     anode     M/CeO2 catalyst layer    

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Influence of HS and NH on biogas dry reforming using Ni catalyst: a study on single and synergetic effect

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1632-1

Abstract:

● NH3 in biogas had a slight inhibitory effect on dry reforming.

Keywords： Biogas     Dry reforming     Sulfur poisoning     Ammonia     Synergetic effect     Hydrogen    

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Preparation of Ni/SiO catalyst in ionic liquids for hydrogenation

FAN Qingming, LIU Yingxin, ZHENG Yifan, YAN Wei

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 63-68 doi: 10.1007/s11705-008-0013-4

Abstract: The results show that the Ni/SiO catalyst prepared with 1-(2-hydroxyethyl)-3-methyl-imidazole tetrafluoroborateUnder the optimal conditions of catalyst dosage (based on the mass of cinnamaldehyde used) 10%, reaction

Keywords： dispersive     conversion     catalytic     2-hydroxyethyl     catalytic activity    

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Impact of Ni particle size on CO activation and CO formation during reforming process: A density functional

Frontiers in Energy 2024, Volume 18, Issue 4,   Pages 525-534 doi: 10.1007/s11708-024-0952-6

Abstract: Supported Ni-based catalysts for DRM exhibit a strong dependence on particle size, however, the reactionWith the variation in particle size, the main activation pathway of CO2 on the catalyst changesOn the smallest Ni13/MgO, CO2 tends to directly dissociate, while on the larger Ni25/MgO andCompared to Ni13/MgO and Ni37/MgO, the oxidation of surface C atoms and the oxidation of CH occur morereadily on Ni25/MgO.

Keywords： particle size     Ni/MgO catalyst     CO2 activation     CO formation    

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Breaking the Ni loading-reducibility-dispersion dependence achieved by solid-state co-grinding

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 12, doi: 10.1007/s11705-024-2499-9

Abstract: ordered mesoporous alumina (OMA) was prepared by co-grinding the hybrid of template-containing OMA and NiMore importantly, the reduction extent, dispersion, and average particle size of the Ni/OMA catalyststhe similarly high turnover frequency of 24.0 h–1 was achieved at 300 °C for all of the NiFor the catalyst with the highest NiO loading of 40 wt % (40Ni/OMA), the low-temperature activity at−1) was achieved, while the catalyst

Keywords： Ni-supported catalyst     solid-state grinding     metal-support interactions     high Ni loading     high dispersion    

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Progress of three-dimensional macroporous bioactive glass for bone regeneration

Lijun JI, Yunfeng SI, Ailing LI, Wenjun WANG, Dong QIU, Aiping ZHU

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 470-483 doi: 10.1007/s11705-012-1217-1

Abstract: Bioactive glasses (BGs) are ideal materials for macroporous scaffolds due to their excellent osteoconductiveMacroporous scaffolds made from BGs are in high demand for bone regeneration because they can stimulateEngineering BG/biopolymers (BP) composites or hybrids may be a good way to prepare macroporous scaffoldsThis paper summarizes the progress in the past few years in preparing three-dimensional macroporous BGuse in load bearing applications, the mechanical properties of macroporous scaffolds are particularly

Keywords： bioactive glass     biopolymer     bone regeneration     macroporous scaffolds     tissue engineering    

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Ni/MgO catalyst prepared via dielectric-barrier discharge plasma with improved catalytic performance

Yan LI,Zhehao WEI,Yong WANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 133-140 doi: 10.1007/s11705-014-1422-1

Abstract: A Ni/MgO catalyst was prepared via novel dielectric-barrier discharge (DBD) plasma decomposition methodtransmission electron microscopy shows that DBD plasma treatment enhances the support-metal interaction of Ni/MgO catalyst and facilitates the formation of smaller Ni particles.Sphere-like Ni particles form on plasma treated Ni/MgO catalysts.The plasma treated Ni/MgO catalyst shows a significantly improved low temperature activity and good stability

Keywords： CO2 reforming     methane     dielectric-barrier discharge (DBD)     plasma     Ni/MgO    

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Zinc modification of Ni-Ti as efficient NiZnTi catalysts with both geometric and electronic improvements

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 461-474 doi: 10.1007/s11705-021-2072-8

Abstract: In this work, zinc-modified Ni-Ti catalysts (NixZnyTi1It was found that the introduction of zinc effectively increases the surface Ni density, enhances theNi particle size, more oxygen vacancies, higher dispersion and greater concentration of Ni on the catalystand Ti to Ni effectively adsorbs and dissociates hydrogen.The results reveal that NixZnyTi1 (Ni0.5Zn<

Keywords： bimetal strategy     oxygen vacancy     non-noble metal catalyst     hydrogenation     aromatic nitro compounds    

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Controlling the Reconstruction of Ni/CeO2 Catalyst during Reduction for Enhanced CO Methanation Article

Xinyu Cao,Tiancheng Pu,Bar Mosevitzky Lis,Israel E. Wachs,Chong Peng,Minghui Zhu,Yongkang Hu,

Engineering 2022, Volume 14, Issue 7,   Pages 94-99 doi: 10.1016/j.eng.2021.08.023

Abstract: In this study, reconstruction of the supported nickel catalyst was found to be sensitive to pretreatmentIn contrast to the traditional activation procedure in hydrogen, activating the catalyst in syngas createdsupported Ni nanoparticles with a polycrystalline structure containing an abundance of grain boundariesThe unique post-activation catalyst structure offered enhanced CO adsorption and an improved CO methanationThe current strategy to tune the catalyst structure via manipulating the activation conditions can potentially

Keywords： Nickel–ceria catalyst     Catalyst activation     Crystallinity     Methanation     In situ spectroscopy    

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Single-Ni-atoms on nitrogenated humic acid based porous carbon for CO electroreduction

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 5, doi: 10.1007/s11705-024-2411-7

Abstract: We proposed a facile synthesis of single-Ni-atom catalysts on low-cost porous carbon using a calcinationThe results showed that the single-Ni-atom catalyst activated at 950 °C showed an optimum catalytic performanceAdditionally, the CO Faradaic efficiency and current density of the optimum catalyst changed slightlyis ascribed to the combined effects of the increase in the content of pyrrolic N, the evaporation of Ni

Keywords： CO2 electroreduction     single-Ni-atom catalysts     humic acid based porous carbon    

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Title Author Date Type Operation

Sustainable H

Ruixue GU, Guangming ZENG, Jingjing SHAO, Yuan LIU, Johannes W. Schwank, Yongdan LI

Journal Article

hydrogenation of insoluble organic matter of CS/Acetone from coal over mesoporous HZSM-5 supported Ni

Journal Article

Steam reforming of toluene as a tar model compound with modified nickel-based catalyst

Omeralfaroug KHALIFA, Mingxin XU, Rongjun ZHANG, Tahir IQBAL, Mingfeng LI, Qiang LU

Journal Article

The development of BG2250-125 Ni-based alloy tubing used in severe sour oil field

Shen Chen,Zhang Zhonghua,Zhang Chunxia

Journal Article

Ni-Co bimetallic catalyst for CH

Xiaohong LI, Jun AI, Wenying LI, Dongxiong LI

Journal Article

Performance-enhanced direct ammonia protonic ceramic fuel cells using CeO-supported Ni and Ru catalyst

Journal Article

Influence of HS and NH on biogas dry reforming using Ni catalyst: a study on single and synergetic effect

Journal Article

Preparation of Ni/SiO catalyst in ionic liquids for hydrogenation

FAN Qingming, LIU Yingxin, ZHENG Yifan, YAN Wei

Journal Article

Impact of Ni particle size on CO activation and CO formation during reforming process: A density functional

Journal Article

Breaking the Ni loading-reducibility-dispersion dependence achieved by solid-state co-grinding

Journal Article

Progress of three-dimensional macroporous bioactive glass for bone regeneration

Lijun JI, Yunfeng SI, Ailing LI, Wenjun WANG, Dong QIU, Aiping ZHU

Journal Article

Ni/MgO catalyst prepared via dielectric-barrier discharge plasma with improved catalytic performance

Yan LI,Zhehao WEI,Yong WANG

Journal Article

Zinc modification of Ni-Ti as efficient NiZnTi catalysts with both geometric and electronic improvements

Journal Article

Controlling the Reconstruction of Ni/CeO2 Catalyst during Reduction for Enhanced CO Methanation

Xinyu Cao,Tiancheng Pu,Bar Mosevitzky Lis,Israel E. Wachs,Chong Peng,Minghui Zhu,Yongkang Hu,

Journal Article

Single-Ni-atoms on nitrogenated humic acid based porous carbon for CO electroreduction

Journal Article