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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: The chain length and hydrocarbon type significantly affect the production of light olefins during the catalyticpyrolysis of naphtha.design and operation parameters optimization, the reaction pathways and equilibrium yields for the catalyticpyrolysis of C5–8 n/iso/cyclo-paraffins were analyzed thermodynamically.pyrolysis of C5–8 n/iso/cyclo-paraffins from a thermodynamic point of view.

Keywords： naphtha     catalytic pyrolysis     reaction pathway     equilibrium yield    

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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 influencein pyrolysis.

Keywords： Waste printed circuit board     Catalyst     Pyrolysis     Kinetics    

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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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Recent advances in the catalytic pyrolysis of biomass

Changwei HU, Yu YANG, Jia LUO, Pan PAN, Dongmei TONG, Guiying LI

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 188-193 doi: 10.1007/s11705-010-1015-6

Abstract: This paper briefly surveys the present status of the direct catalytic pyrolysis for the liquefactionThe direct use of catalysts could decrease the pyrolysis temperature, increase the conversion of biomassThese barriers appeal for the development of a new catalyst and new catalytic process as well as theProcess design and process intensification are of significant importance in the catalytic conversion

Keywords： biomass     liquefaction     catalysis     bio-oil     process intensification    

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Thermal and catalytic pyrolysis of a synthetic mixture representative of packaging plastics residue

Simona Colantonio, Lorenzo Cafiero, Doina De Angelis, Nicolò M. Ippolito, Riccardo Tuffi, Stefano Vecchio Ciprioti

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 288-303 doi: 10.1007/s11705-019-1875-3

Abstract: representative of the residue from a material recovery facility (plasmix) was submitted to thermal and catalyticpyrolysis.The thermal and catalytic experiments were conducted at 370°C, 450°C and 650°C using a bench scale reactorHowever, all pyrolysis runs performed at 370°C were incomplete.Plasmix is a potential input material for pyrolysis that is positively affected by the presence of the

Keywords： packaging plastics waste     plasmix     pyrolysis     zeolite catalyst     degradation temperature    

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Catalytic fast pyrolysis of Kraft lignin with HZSM-5 zeolite for producing aromatic hydrocarbons

Xiangyu LI, Lu SU, Yujue WANG, Yanqing YU, Chengwen WANG, Xiaoliang LI, Zhihua WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 295-303 doi: 10.1007/s11783-012-0410-2

Abstract: Catalytic fast pyrolysis (CFP) of Kraft lignins with HZSM-5 zeolite for producing aromatics was investigatedusing analytical pyrolysis methods.Without the catalyst, fast pyrolysis of lignin predominantly produced phenols and guaiacols that wereThe aromatic yield increased considerably as the pyrolysis temperature increased from 500°C to 650°C,but then decreased with yet further increase of pyrolysis temperature.

Keywords： lignin     catalytic fast pyrolysis     HZSM-5     zeolite     aromatic hydrocarbon    

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A review on

Shaolong WAN,Yong WANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 280-294 doi: 10.1007/s11705-014-1436-8

Abstract: Catalytic fast pyrolysis (CFP) is deemed as the most promising way to convert biomass to transportationso far have focused on the CFP where the catalysts are packed or co-fed with the feedstock in the pyrolysishas attracted more and more attentions due to its unique advantages of individually optimizing the pyrolysis

Keywords： catalytic fast pyrolysis     ex situ     catalysts    

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Study on the technology of converting polypropylene wastes to diesel and gasoline Fractions

Ji Xing,Qian Jialin,Wang Jianqiu

Strategic Study of CAE 2000, Volume 2, Issue 9,   Pages 85-90

Abstract:

Pyrolysis, pyrolysis-catalytic upgrading and catalytic pyrolysis have been developed to convert polypropyleneThree methods were evaluated in a comprehensive view and the result shows that pyrolysis-catalytic upgrading

Keywords： polypropylene waste     pyrolysis     catalytic upgrading     catalytic pyrolysis    

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Catalytic fast pyrolysis of walnut shell for alkylphenols production with nitrogen-doped activated carbon

Shanwei Ma, Hang Li, Guan Zhang, Tahir Iqbal, Kai Li, Qiang Lu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1317-y

Abstract: Abstract • N-doped activated carbon was prepared for catalytic pyrolysis of walnut shell. • Alkylphenolswere selectively produced from catalytic pyrolysis process. • The alkylphenols yield increased by 8.5In this study, three activated carbons (ACs) were prepared for catalytic fast pyrolysis (CFP) of walnutPyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) experiments were carried out to reveal the

Keywords： Pyrolysis     Walnut shell     Alkylphenols     Nitrogen-doped activated carbon    

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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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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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Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

Frontiers of Chemical Science and Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11705-023-2375-z

Abstract: However, decalin contains two isomers with a tunable composition, and their effects on the pyrolysisHerein, we investigated the pyrolysis of decalin isomers, i.e., cis-decalin, trans-decalinThe pyrolysis results confirmed that conversion of the tested fuels (600–725 °C, 4 MPa) decreased inDetailed analyses of the pyrolysis products were used to compare the product distributions from cisThis work demonstrates the relationship between the cis/trans structures and the pyrolysis

Keywords： endothermic fuel     decalin     pyrolysis     heat sink     molecular structure    

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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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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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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: A bubbling fluidized bed pyrolyzer was integrated with an honeycomb as a catalytic upgrading zone forwere fast pyrolyzed in the bubbling bed using fine sand particles as a heat carrier and the resulting pyrolysisvapors were passed on-line over the catalytic upgrading zone.Even 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

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

Journal Article

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

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

Recent advances in the catalytic pyrolysis of biomass

Changwei HU, Yu YANG, Jia LUO, Pan PAN, Dongmei TONG, Guiying LI

Journal Article

Thermal and catalytic pyrolysis of a synthetic mixture representative of packaging plastics residue

Simona Colantonio, Lorenzo Cafiero, Doina De Angelis, Nicolò M. Ippolito, Riccardo Tuffi, Stefano Vecchio Ciprioti

Journal Article

Catalytic fast pyrolysis of Kraft lignin with HZSM-5 zeolite for producing aromatic hydrocarbons

Xiangyu LI, Lu SU, Yujue WANG, Yanqing YU, Chengwen WANG, Xiaoliang LI, Zhihua WANG

Journal Article

A review on

Shaolong WAN,Yong WANG

Journal Article

Study on the technology of converting polypropylene wastes to diesel and gasoline Fractions

Ji Xing,Qian Jialin,Wang Jianqiu

Journal Article

Catalytic fast pyrolysis of walnut shell for alkylphenols production with nitrogen-doped activated carbon

Shanwei Ma, Hang Li, Guan Zhang, Tahir Iqbal, Kai Li, Qiang Lu

Journal Article

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

Journal Article

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

Journal Article

Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

Journal Article

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

Journal Article

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

Journal Article

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

Liaoyuan Mao, Yanxin Li, Z. Conrad Zhang

Journal Article