نتایج جستجو برای: co hydrogenation

تعداد نتایج: 340775  

Journal: :Green Chemistry 2023

We report a hybrid chem-biological system, coupling photovoltaic hydrogen production, chemical CO 2 hydrogenation, an artificial carbon conversion pathway and the natural PHB synthesis pathway, which drove completely closed-loop economy for production.

2007
E. H. PRYDE

l-Nonanol and alkyl 9-hydroxynonanoates were more readily prepared by hydrogenation of the respective isolated aldehydes than by direct hydrogenation of products from reductive ozonolysis of oleate esters. Hydrogenation with nickel catalysts and aprotic solvents reduced the isolated aldehydes in good yield with a minimum of side reactions. Although the noble metal catalyst and hydroxylic solven...

Journal: :ACS Catalysis 2021

CO hydrogenation is one of the most important and complex chemical reactions with various product distributions in which formation mechanism not well understood yet, design active selective catalysts toward targeted products still a major challenge. Herein, descriptor-based microkinetic modeling employed to analyze distribution favor catalyst screening hydrogenation, predicted industrial for di...

Journal: :Energy and Environmental Science 2021

This review provides an overview of advances on constructing heterogeneous nanostructured and single atom catalysts for CO2 hydrogenation to formic acid/formate. The main focus is placed structure–activity correlations mechanistic insights.

In this research effect of synthesis method of magnesium aluminate as support of Ni catalysts at the reverse water gas shift (RWGS) reaction was evaluated. The RWGS reaction is applied in Carbon Dioxide Hydrogenation to Form Methanol via a Reverse Water-Gas Shift Reaction (CAMERE) process for the transformation of CO2 into methanol. The MgAl2O4 supports were prepared by sol-gel (M1), surfactant...

2012
Endalkachew Sahle-Demessie Ashraf Aly Hassan

Catalytic hydrogenation of anthracene was studied over Ni supported on Hβ-zeolite catalyst under supercritical carbon dioxide (sc-CO2) solvent. Hydrogenation of anthracene in sc-CO2 yielded 100% conversion at 100 °C, which is attributed to the reduced mass transfer limitations, and increased solubility of H2 and substrate in the reaction medium. The total pressure of 7 MPa was found to be optim...

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