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Experimental and kinetic study on laminar flame speeds of ammonia/syngas/air at a high temperature and

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 263-276 doi: 10.1007/s11708-021-0791-7

Abstract: The laminar flame speeds of ammonia mixed with syngas at a high pressure, temperature, and differentsyngas ratios were measured.The data obtained were fitted at different pressures, temperatures, syngas ratios, and equivalence ratios

Keywords： ammonia mixed with syngas     laminar flame speed     kinetic model     sensitivity analysis     pathway analysis    

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Boosting the direct conversion of NHHCO electrolyte to syngas on Ag/Zn zeolitic imidazolate framework

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1196-1207 doi: 10.1007/s11705-022-2289-1

Abstract: The electrochemical reduction of NH4HCO3 to syngas can bypass the high energy consumptionfor the first time for boosting the direct conversion of NH4HCO3 electrolyte to syngas

Keywords： zeolitic imidazolate framework     CO2 electroreduction     ammonium bicarbonate electrolyte     syngas    

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Syngas composition study

Zhe WANG , Jinning YANG , Zheng LI , Yong XIANG ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 369-372 doi: 10.1007/s11708-009-0044-7

Abstract: The syngas composition characteristic was investigated in the real slurry-feed gasifier using a detailedThe results show that the time for syngas to reach equilibrium is much shorter than the residence time

Keywords： entrained-flow     gasifier     syngas    

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Process analysis of syngas production by non-catalytic POX of oven gas

Fuchen WANG , Xinwen ZHOU , Wenyuan GUO , Zhenghua DAI , Xin GONG , Haifeng LIU , Zunhong YU ,

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 117-122 doi: 10.1007/s11708-008-0078-2

Abstract: A non-catalytic POX of oven gas is proposed to solve the problem of secondary pollution due to solid wastes produced from the great amount of organic sulfur contained in oven gas in the traditional catalytic partial oxidation (POX) process. A study of the measurement of flow field and a thermodynamic analysis of the process characteristics were conducted. Results show that there exist a jet-flow region, a recirculation-flow region, a tube-flow region, and three corresponding reaction zones in the non-catalytic POX reformer. The combustion of oven gas occurs mainly in the jet-flow region, while the reformation of oven gas occurs mainly in the other two regions. Soot would not be formed by CH cracking at above 1200°C. Since there are very little C hydrocarbons in oven gas, the soot produced would be very tiny, even if they underwent cracking reaction. The integrated model for entrained bed gasification process was applied to simulate a non-catalytic POX reformer. It indicated that the proper oxygen-to-oven gas ratio is 0.22–0.28 at different pressures in the oven gas reformation process.

Keywords： oven gas     non-catalytic POX process     syngas    

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Energy and exergy analysis of syngas production from different biomasses through air-steam gasification

S. Rupesh,C. Muraleedharan,P. Arun

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 607-619 doi: 10.1007/s11708-016-0439-1

Abstract: Gasification is a thermo-chemical reaction which converts biomass into fuel gases in a reactor. The efficiency of conversion depends on the effective working of the gasifier. The first step in the conversion process is the selection of a suitable feedstock capable of generating more gaseous fuels. This paper analyses the performance of different biomasses during gasification through energy and exergy analysis. A quasi-equilibrium model is developed to simulate and compare the feasibility of different biomass materials as gasifier feedstock. Parametric studies are conducted to analyze the effect of temperature, steam to biomass ratio and equivalence ratio on energy and exergy efficiencies. Of the biomasses considered, sawdust has the highest energy and exergy efficiencies and lowest irreversibility. At a gasification temperature of 1000 K, the steam to biomass ratio of unity and the equivalence ratio of 0.25, the energy efficiency, exergy efficiency and irreversibility of sawdust are 35.62%, 36.98% and 10.62 MJ/kg, respectively. It is also inferred that the biomass with lower ash content and higher carbon content contributes to maximum energy and exergy efficiencies.

Keywords： gasification     modeling     energy     exergy     syngas    

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SIMULATION OF O-BLOWN CO-GASIFICATION OF WOOD CHIP AND POTATO PEEL FOR PRODUCING SYNGAS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 448-457 doi: 10.15302/J-FASE-2023490

Abstract: ListItem>

● Low-value biowaste including wood chip and potato peel was valorized to syngas

Keywords： Aspen Plus     co-gasification     potato peel     syngas     simulation     waste reduction     wood chip    

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Bamboo-like -doped carbon nanotubes encapsulating M(Co, Fe)-Ni alloy for electrochemical production of syngas

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 498-510 doi: 10.1007/s11705-021-2082-6

Abstract: sub>-H2O into CO-H2 using renewable energy is a promising technique for clean syngasLow-cost electrocatalysts to produce tunable syngas with a potential-independent CO/H2 ratioTheir electrocatalytic performance for syngas production can be tuned by changing the alloy compositionsConsequently, syngas with a wide range of CO/H2 ratios, from 0.5:1 to 3.4:1, can be producedstable CO/H2 ratios of 2:1 and 1.5:1, corresponding to the ratio to produce biofuels by syngas

Keywords： electrochemical reduction of CO2     syngas     N-doped carbon nanotubes     encapsulated alloy    

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Syngas production by photoreforming of formic acid with 2D VWN solid solution as an efficient cocatalyst

Frontiers in Energy doi: 10.1007/s11708-024-0940-x

Abstract: Formic acid (FA) is a potential biomass resource of syngas with contents of carbon monoxide (CO, 60 wtcarrier transfer and less recombination, finally facilitating a great performance in cocatalyst for syngas

Keywords： photocatalysis     syngas     formic acid     cocatalyst     solid solution    

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Scientometric analysis of research trends on solid oxide electrolysis cells for green hydrogen and syngas

Frontiers in Energy doi: 10.1007/s11708-024-0945-5

Abstract: oxide electrolysis cell (SOEC) is a promising water electrolysis technology that produces hydrogen or syngasGreen hydrogen or syngas can be produced by SOEC with renewable energy.

Keywords： solid oxide electrolysis cell (SOEC)     scientometric review     knowledge network     material development     H2O–CO2 co-electrolysis     modeling    

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Enrichment of CO from syngas with Cu(I)Y adsorbent by five-bed VPSA

Shuna LI, Huawei YANG, Donghui ZHANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 472-481 doi: 10.1007/s11705-013-1351-4

Abstract: Then a five-bed VPSA process for separating CO from syngas on this adsorbent was dynamically simulated

Keywords： Cu(I)Y adsorbent     breakthrough curve     desorption     VPSA     simulation    

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Experimental investigations on combustion characteristics of syngas composed of CH

Qingwei FAN, Shien HUI, Qulan ZHOU, Qinxin ZHAO, Tongmo XU

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 404-410 doi: 10.1007/s11705-010-0513-x

Abstract: Experimental investigations on basic combustion characteristics of syngas referred above are conductedPrimary air coefficient (PA), total air coefficient (TA), and components of the syngas (CS) are selectedas key factors, and it is found that PA dominates mostly the ignition of syngas and NO formation, while

Keywords： dual gas resources polygeneration     lean premixed combustion     residual gas     remained raw gas     NOx emission    

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Analysis of radiation heat transfer and temperature distributions of solar thermochemical reactor for syngas

Bachirou GUENE LOUGOU, Yong SHUAI, Xiang CHEN, Yuan YUAN, Heping TAN, Huang XING

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 480-492 doi: 10.1007/s11708-017-0506-2

Abstract: investigated radiation heat transfer and temperature distributions of solar thermochemical reactor for syngas

Keywords： solar thermochemical reactor     incident radiation flux     temperature distribution     radiation absorptivity     radiation emissivity     thermal performance analysis    

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Photocatalytic syngas synthesis from CO

Ling Tan, Kipkorir Peter, Jing Ren, Baoyang Du, Xiaojie Hao, Yufei Zhao, Yu-Fei Song

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 99-108 doi: 10.1007/s11705-020-1947-4

Abstract: effectively reduce CO under visible light ( >400 nm), and simultaneously precise control of the products syngasFurthermore, compared with LDH, Ce-0.15 also drove photocatalytic CO to syngas under 600 nm irradiationIt implied that an optimum amount of CeO modifying LDH promoted the photoreduction of CO to syngas.photo-response ability and charge injection efficiency of LDH-based photocatalysts in the synthesis of syngas

Keywords： visible light catalysis     CO2 conversion     layered double hydroxide     rare earth elements    

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Study for entrained-flow gasifier modeling and measurement

Zhe WANG, Zheng LI, Fen HE

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 400-403 doi: 10.1007/s11705-010-0510-0

Abstract: The syngas composition change during the measurement process was analyzed using a detailed gas phaseBased on the results, suggestions were proposed for syngas concentration measurement and temperature

Keywords： entrained-flow gasifier     syngas composition    

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A thermodynamic study of the removal of HCl and H

Joseph LEE, Bo FENG

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 67-83 doi: 10.1007/s11705-011-1162-4

Abstract: Advanced integrated-gasification combined-cycle (IGCC) and integrated-gasification fuel cell (IFGC) systems require high-temperature sorbents that are capable of removing hydrogen chloride and hydrogen sulfide from coal derived gases to very low levels. HCl and H S are highly reactive, corrosive, and toxic gases that must be removed to meet stringent environmental regulations, to protect power generation equipment and to control the emissions of contaminants. The thermodynamic behavior of 13 sorbents for the removal of HCl and H S under various conditions including: initial toxic gas concentration (1–10000 ppm), operating pressure (0.1–11 Mpa), temperature (300 K–1500 K), and the presence of H O were investigated. The correlation between HCl and H S was also examined. Thermodynamic calculations were carried out for the reactions of the 13 sorbents using a FactSage 5.2 software package based on free energy minimization. The sorbents, Na CO , NaHCO , K CO , and CaO are capable of completely removing chlorine at high temperatures (up to ~1240 K) and at high pressures. Water vapor did not have any significant effects on the dechlorination capability of the sorbents. Nine of the sorbents namely; Cu O, Na CO , NaHCO , K CO , CaO, ZnO, MnO, FeO, and PbO, were determined to have great potential as desulfurization sorbents. Cu O and ZnO had the best performance in terms of the optimum operating temperature. The addition of water vapor to the reactant gas produces a slightly detrimental effect on most of the sorbents, but FeO exhibited the worst performance with a reduction in the maximum operating temperature of about 428 K. The dechlorination performance of the alkali sorbents was not affected by the presence of H S in the reactions. However, the desulfurization capability of some sorbents was greatly affected by the presence of HCl. Particularly, the performance of Cu O was significantly reduced when HCl was present, but the performance of FeO improved remarkably. The thermodynamic results gathered are valuable for the developments of better sorbents.

Keywords： syngas cleaning     sorbent     desulfurization     dechlorination    

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Title Author Date Type Operation

Experimental and kinetic study on laminar flame speeds of ammonia/syngas/air at a high temperature and

Journal Article

Boosting the direct conversion of NHHCO electrolyte to syngas on Ag/Zn zeolitic imidazolate framework

Journal Article

Syngas composition study

Zhe WANG , Jinning YANG , Zheng LI , Yong XIANG ,

Journal Article

Process analysis of syngas production by non-catalytic POX of oven gas

Fuchen WANG , Xinwen ZHOU , Wenyuan GUO , Zhenghua DAI , Xin GONG , Haifeng LIU , Zunhong YU ,

Journal Article

Energy and exergy analysis of syngas production from different biomasses through air-steam gasification

S. Rupesh,C. Muraleedharan,P. Arun

Journal Article

SIMULATION OF O-BLOWN CO-GASIFICATION OF WOOD CHIP AND POTATO PEEL FOR PRODUCING SYNGAS

Journal Article

Bamboo-like -doped carbon nanotubes encapsulating M(Co, Fe)-Ni alloy for electrochemical production of syngas

Journal Article

Syngas production by photoreforming of formic acid with 2D VWN solid solution as an efficient cocatalyst

Journal Article

Scientometric analysis of research trends on solid oxide electrolysis cells for green hydrogen and syngas

Journal Article

Enrichment of CO from syngas with Cu(I)Y adsorbent by five-bed VPSA

Shuna LI, Huawei YANG, Donghui ZHANG

Journal Article

Experimental investigations on combustion characteristics of syngas composed of CH

Qingwei FAN, Shien HUI, Qulan ZHOU, Qinxin ZHAO, Tongmo XU

Journal Article

Analysis of radiation heat transfer and temperature distributions of solar thermochemical reactor for syngas

Bachirou GUENE LOUGOU, Yong SHUAI, Xiang CHEN, Yuan YUAN, Heping TAN, Huang XING

Journal Article

Photocatalytic syngas synthesis from CO

Ling Tan, Kipkorir Peter, Jing Ren, Baoyang Du, Xiaojie Hao, Yufei Zhao, Yu-Fei Song

Journal Article

Study for entrained-flow gasifier modeling and measurement

Zhe WANG, Zheng LI, Fen HE

Journal Article

A thermodynamic study of the removal of HCl and H

Joseph LEE, Bo FENG

Journal Article