Solid-to-solid biocatalysis: thermodynamic feasibility and energy efficiency

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Ulijn, R.V. and Halling, P.J. (2004) Solid-to-solid biocatalysis: thermodynamic feasibility and energy efficiency. Green Chemistry, 6 (9). pp. 488-496. ISSN 1463-9262 (http://dx.doi.org/10.1039/b406267a)

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Abstract

Enzymes can catalyse solid-to-solid condensation reactions in highly concentrated aqueous substrate suspensions. Reaction products precipitate from the reaction mixture and very high conversion yields can be obtained in low volume reactors. Solid-to-solid biocatalysis combines the advantages of using enzymes in aqueous media with the high conversion yields that are typically associated with non-aqueous biocatalysis. In this article, methods are presented for the calculation of the Gibbs free energy changes and heats of reaction of condensation reactions to form amides. The overall enthalpy change of the enzymatic reaction was compared to that of the conventional chemical methods and it was found that the enzymatic reaction produces a third of the heat with better atom efficiency.

ORCID iDs

Ulijn, R.V. ORCID logoORCID: https://orcid.org/0000-0001-7974-3779 and Halling, P.J. ORCID logoORCID: https://orcid.org/0000-0001-5077-4088;
  • Item type:Article
    ID code:324
    Dates:
    Date
    Event
    2004
    Published
    Subjects:Science > Chemistry
    Department:Faculty of Science > Pure and Applied Chemistry
    Depositing user:Users 16 not found.
    Date deposited:13 Mar 2006
    Last modified:11 Nov 2024 08:26
    URI:https://strathprints.strath.ac.uk/id/eprint/324
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