Biomedical subjects

G J Hutchings

Publications and source records attributed to G J Hutchings.

4 recordsLinked to original sources

PubMed2005

Commentary on industrial processes.

A brief commentary on the three papers presented in the session on 'industrial processes' is presented. In particular, emphasis is placed on the factors considered to be crucial for an industrial process, namely: catalyst activity, the selectivity of the overall catalysed reaction and the lifetime over which the performance is observed. Control of selectivity is viewed as being most important, and examples of how this is achieved through the use of membrane reactors and catalyst design are described.

Catalysis↗

PubMed2001

Decreased methane formation from the hydrogenation of carbon monoxide using zeolite/cobalt-manganese oxide composite catalysts.

A composite catalyst comprising a physical mixture of a zeolite and a cobalt/manganese oxide Fischer-Tropsch catalyst decreases the formation of methane in the hydrogenation of carbon monoxide without significantly affecting conversion.

Journal Article↗

PubMed2001

Methanol to hydrocarbons: enhanced aromatic formation using a composite Ga2O3-H-ZSM-5 catalyst.

Addition of beta-Ga2O3 to H-ZSM-5, as a physical mixture, enhances the formation of aromatic hydrocarbons in the methanol to hydrocarbons reaction.

Journal Article↗

PubMed1981

Mechanisms of hydrolysis of adenosine 5'-triphosphate, adenosine 5'-diphosphate, and inorganic pyrophosphate in aqueous perchloric acid.

The acid-catalyzed hydrolysis of adenosine 5'-triphosphate (ATP) has been found to give rise both to adenosine 5'-diphosphate (ADP) and inorganic phosphate and to adenosine 5'-phosphate (AMP) and inorganic pyrophosphate. Kinetic and isotope studies on the mechanism of hydrolysis of ATP therefore depend on a knowledge of the mechanism of hydrolysis of the polyphosphate products, ADP and inorganic pyrophosphate. The latter reactions have been studied over the acidity range 1--5 M perchloric acid at 25 degrees C while the more complex problem of the hydrolysis of ATP has been followed at a single acidity (3 M perchloric acid). The positions of bond fission have been determined for both ATP and ADP.

Adenosine Diphosphate↗