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Updated: Jan 12, 2026

Biomass Conversion to Produce Hydrocarbon Liquid Fuel Via Hot-vapor Filtered Fast Pyrolysis and Catalytic Hydrotreating
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Published on: December 25, 2016

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在流体催化裂变催化剂的再生过程中污染物转化

Jiawei Bian1, Robin Vogel2, Pengfei Tian3

  • 1State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology-Utrecht University Joint Research Center for Sustainable and Circular Chemistry and Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, China.

Angewandte Chemie (International ed. in English)
|November 4, 2025
PubMed
概括

了解流体催化裂变 (FCC) 再生过程中的气体污染物形成至关重要. 这项研究将焦炭分解与排放联系起来,帮助清洁的炼油厂运营使用可再生原料.

关键词:
焦炭沉积物的焦炭沉积物烟气污染物的污染物 烟气污染物流体催化裂变是流体的催化裂变.操作的光谱学.转换机制的转换机制

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The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.
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Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the...
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Introduction
Like alkenes, alkynes can be reduced to alkanes in the presence of transition metal catalysts such as Pt, Pd, or Ni. The reaction involves two sequential syn additions of hydrogen via a cis-alkene intermediate.
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Unlike the easy catalytic hydrogenation of an alkene double bond, hydrogenation of a benzene double bond under similar reaction conditions does not take place easily. For example, in the reduction of stilbene, the benzene ring remains unaffected while the alkene bond gets reduced. Hydrogenation of an alkene double bond is exothermic and a favorable process. In contrast, to hydrogenate the first unsaturated bond of benzene, an energy input is needed; that is, the process is endothermic. This is...
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