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Theoretical study on the mechanism of sulfur migration to gas in the pyrolysis of benzothiophene

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 334-346 doi: 10.1007/s11705-022-2209-4

Abstract: The release and control of sulfur species in the pyrolysis of fossil fuels and solid wastes have attractedthe mechanism of sulfur migration during the release of sulfur-containing radicals in benzothiophene pyrolysisstrong competitiveness of S and SH radicals results in abundant H2S during benzothiophene pyrolysisstudy lays a foundation for elucidating sulfur migration mechanisms and furthering the development of pyrolysis

Keywords： benzothiophene     sulfur migration     pyrolysis     density functional theory    

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Catalytic hydrodeoxygenation of pyrolysis bio-oil to jet fuel: A review

Frontiers in Energy doi: 10.1007/s11708-024-0924-8

Abstract: Bio-oil from biomass pyrolysis cannot directly substitute traditional fuel due to compositional deficiencies

Keywords： biomass pyrolysis oil     bio-jet fuel     catalytic hydrodeoxygenation (HDO)     metal catalyst     reaction pathways    

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Thermodynamic analysis of reaction pathways and equilibrium yields for catalytic pyrolysis of naphtha

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1700-1712 doi: 10.1007/s11705-022-2207-6

Abstract: length and hydrocarbon type significantly affect the production of light olefins during the catalytic pyrolysisand operation parameters optimization, the reaction pathways and equilibrium yields for the catalytic pyrolysisdevelopment of superior catalysts and the selection of proper operation parameters for the catalytic pyrolysis

Keywords： naphtha     catalytic pyrolysis     reaction pathway     equilibrium yield    

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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: ListItem>

• Possible formation pathways of H2S were revealed in thiophene pyrolysis

Keywords： Density functional theory     Waste rubber     Thiophene     H2S     Pyrolysis    

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Catalytic hydrodeoxygenation of pyrolysis bio-oil to jet fuel: A review

Frontiers in Energy doi: 10.1007/s11708-024-0943-7

Abstract: Bio-oil from biomass pyrolysis cannot directly substitute traditional fuel due to compositional deficiencies

Keywords： biomass pyrolysis oil     bio-jet fuel     catalytic hydrodeoxygenation (HDO)     metal catalyst     reaction pathways    

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Kinetic study of the effect of thermal hysteresis on pyrolysis of vacuum residue

Frontiers of Chemical Science and Engineering doi: 10.1007/s11705-024-2496-z

Abstract: the thermal hysteresis and its effect on the kinetic behaviors and reaction model of vacuum residue pyrolysisEffects of heating rate and heating transfer resistance on the pyrolysis process were examined with theThe kinetic characteristics of the vacuum residue pyrolysis were estimated using the iso-conversionalDuring the pyrolysis, the thermal hysteresis led to an increase in the reaction order in the first stagethree-stage reaction model and kinetic triplets have the potential to effectively describe the active pyrolysis

Keywords： vacuum residue     pyrolysis     thermogravimetric analysis     thermal hysteresis     kinetic mechanism    

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Continuous flow pyrolysis of virgin and waste polyolefins: a comparative study, process optimization

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 6, doi: 10.1007/s11705-024-2429-x

Abstract: Under optimal process conditions, pyrolysis of polyolefins can yield ca. 90 wt % of liquid product, i.ethe experimental findings reported in a selected group of publications concerning the non-catalytic pyrolysiswere collected, reviewed, and compared with the ones obtained in a continuously operated bench-scale pyrolysisOptimized process parameters were used for the pyrolysis of waste and virgin counterparts of high-densityPyrolysis of virgin plastics yielded more liquid (maximum 73.3 wt %) than that of waste plastics (maximum

Keywords： waste plastics     polyolefins     chemical recycling     pyrolysis     alternative fuels     waste-to-energy    

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Self-catalytic pyrolysis thermodynamics of waste printed circuit boards with co-existing metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1581-0

Abstract: >

● The co-existing metals in WPCBs has positive catalytic influence in pyrolysis

Keywords： Waste printed circuit board     Catalyst     Pyrolysis     Kinetics    

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Microwave-assisted pyrolysis of plastics for aviation oil production: energy and economic analyses

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 7,   Pages 81-81 doi: 10.1007/s11705-024-2436-y

Abstract: Microwave-assisted pyrolysis is an effective method for recycling plastic wastes into oils that can beIn this study, energy and economic analyses of aviation oil production from microwave-assisted pyrolysisAnd the effects of microwave power, pyrolysis temperature, microwave absorbent loading, and microwaveIt was found that pyrolysis temperature has the most significant effect on the unitary cost and unitaryThe optimum reaction conditions at the tonnage system for pyrolysis of 1 t polystyrene were microwave

Keywords： energy analysis     economic analysis     microwave-assisted pyrolysis     polystyrene     aviation oil    

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Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1488-1

Abstract:

• Adding kaolin/zeolite promotes the formation of stable heavy metals.

Keywords： Co-pyrolysis     Sewage sludge     Heavy metals     Rotary kiln     Immobilization mechanism    

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Synergistic effects and kinetics analysis for co-pyrolysis of vacuum residue and plastics

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 5, doi: 10.1007/s11705-024-2414-4

Abstract: To demonstrate the interactive effects between LDPE and VR during the co-pyrolysis process, the disparityThe co-pyrolysis curves obtained through estimation and experimentation exhibited significant deviationsThe co-pyrolysis process resulted in a reduction in carbon residue, which could be attributed to theThese findings align with the pyrolysis behaviors exhibited by the four VR fractions.Furthermore, it was observed that the co-pyrolysis process exhibited lower activation energy as the VR

Keywords： co-pyrolysis     heavy residual oil     polyethylene     thermogravimetric analysis     synergistic effects    

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Co-pyrolysis of oil sludge with hydrogen-rich plastics in a vertical stirring reactor: Kinetic analysis

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1570-3

Abstract:

● Collaborative treatment of plastics and OS was established to improve oil quality.

Keywords： Oily sludge     Pyrolysis     Polyethylene     H/Ceff ratio     Oil quality    

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Mass and heat balance calculations and economic evaluation of an innovative biomass pyrolysis project

Quanyuan WEI, Yongshui QU, Tianwei TAN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 355-361 doi: 10.1007/s11705-010-0567-9

Abstract: flammable gas, charcoal, wood vinegar, wood tar oil and noncombustible materials with thermo-chemical pyrolysisBased on the data from a straw pyrolysis demonstration project, the mass and heat balance of the biomasspyrolysis process were analyzed.These results showed that the straw pyrolysis project has little risk, and will produce remarkable economic

Keywords： mass balance     heat balance     biomass pyrolysis     economic benefit    

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Fast and catalytic pyrolysis of xylan: Effects of temperature and M/HZSM-5 (M= Fe, Zn) catalysts on pyrolytic

Xifeng ZHU, Qiang LU, Wenzhi LI, Dong ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 424-429 doi: 10.1007/s11708-010-0015-z

Abstract: Pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) was employed to achieve fast pyrolysis of xylanand on-line analysis of pyrolysis vapors.temperature on pyrolytic products, and to reveal the effect of HZSM-5 and M/HZSM-5 (M= Fe, Zn) zeolites on pyrolysisCatalytic cracking of pyrolysis vapors with HZSM-5 and M/HZSM-5 (M= Fe, Zn) catalysts significantly altered

Keywords： xylan     fast pyrolysis     catalytic pyrolysis     Py-GC/MS     HZSM-5    

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Upgrading of derived pyrolysis vapors for the production of biofuels from corncobs

Liaoyuan Mao, Yanxin Li, Z. Conrad Zhang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 50-58 doi: 10.1007/s11705-017-1685-4

Abstract: were fast pyrolyzed in the bubbling bed using fine sand particles as a heat carrier and the resulting pyrolysisEven a low usage of zeolite catalyst at WSHV of 180 h was effective in upgrading the pyrolysis oil and

Keywords： corncob     monolith     upgrading     pyrolysis    

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Title Author Date Type Operation

Theoretical study on the mechanism of sulfur migration to gas in the pyrolysis of benzothiophene

Journal Article

Catalytic hydrodeoxygenation of pyrolysis bio-oil to jet fuel: A review

Journal Article

Thermodynamic analysis of reaction pathways and equilibrium yields for catalytic pyrolysis of naphtha

Journal Article

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

Journal Article

Catalytic hydrodeoxygenation of pyrolysis bio-oil to jet fuel: A review

Journal Article

Kinetic study of the effect of thermal hysteresis on pyrolysis of vacuum residue

Journal Article

Continuous flow pyrolysis of virgin and waste polyolefins: a comparative study, process optimization

Journal Article

Self-catalytic pyrolysis thermodynamics of waste printed circuit boards with co-existing metals

Journal Article

Microwave-assisted pyrolysis of plastics for aviation oil production: energy and economic analyses

Journal Article

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Journal Article

Synergistic effects and kinetics analysis for co-pyrolysis of vacuum residue and plastics

Journal Article

Co-pyrolysis of oil sludge with hydrogen-rich plastics in a vertical stirring reactor: Kinetic analysis

Journal Article

Mass and heat balance calculations and economic evaluation of an innovative biomass pyrolysis project

Quanyuan WEI, Yongshui QU, Tianwei TAN

Journal Article

Fast and catalytic pyrolysis of xylan: Effects of temperature and M/HZSM-5 (M= Fe, Zn) catalysts on pyrolytic

Xifeng ZHU, Qiang LU, Wenzhi LI, Dong ZHANG,

Journal Article

Upgrading of derived pyrolysis vapors for the production of biofuels from corncobs

Liaoyuan Mao, Yanxin Li, Z. Conrad Zhang

Journal Article