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Updated: Jul 18, 2026

Laboratory Production of Biofuels and Biochemicals from a Rapeseed Oil through Catalytic Cracking Conversion
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Laboratory Production of Biofuels and Biochemicals from a Rapeseed Oil through Catalytic Cracking Conversion

Published on: September 2, 2016

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为控制二氧化碳转化和产品选择性量身定制MIL-100(Fe) 衍生催化剂

Hany E Ahmed1,2,3, Mohamed K Albolkany4, Mohamed E El-Khouly1

  • 1Nanoscience Program, Institute of Basic and Applied Sciences, Egypt-Japan University of Science and Technology New Borg El-Arab City Alexandria 21934 Egypt hany.elmenyawi@ejust.edu.eg mohamed.elkhouly@ejust.edu.eg ahmed.abdelmoneim@ejust.edu.eg.

RSC advances
|April 30, 2024
PubMed
概括

催化剂颗粒大小显著影响二氧化碳化. 较小的颗粒增加了活性和对的选择性,而较大的颗粒通过改变反应物相互作用,有利于烯酸和C5+产品.

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Turnover Number and Catalytic Efficiency

The turnover number of an enzyme is the maximum number of substrate molecules it can transform per unit time. Turnover numbers for most enzymes range from 1 to 1000 molecules per second. Catalase has the known highest turnover number, capable of converting up to 2.8×106 molecules of hydrogen peroxide into water and oxygen per second. Lysozyme has the lowest known turnover number of half a molecule per second.
Chymotrypsin is a pancreatic enzyme that breaks down proteins during digestion. The...
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Heterogeneous Catalysis

Heterogeneous catalysis involves a catalyst in a different phase from the reactants. It is a process where the catalyst and the reactants are in distinct phases, typically solid and gas or liquid.Most heterogeneous catalysts are metals, metal oxides, or acids. The list includes transition metals like iron (Fe), cobalt (Co), nickel (Ni), palladium (Pd), platinum (Pt), chromium (Cr), manganese (Mn), tungsten (W), silver (Ag), and copper (Cu). These metals possess partially vacant d orbitals that...