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Kinetics of alkaline hydrolysis of insoluble protein fraction following enzymatic hydrolysis of chrome-tanned shaving

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F07%3A63505286" target="_blank" >RIV/70883521:28110/07:63505286 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Kinetics of alkaline hydrolysis of insoluble protein fraction following enzymatic hydrolysis of chrome-tanned shaving

  • Original language description

    After enzymatic hydrolysis chrome-tanned shavings and subsequent filtration, cake is formed, composed of hydrated Cr2O3 with protein products of hydrolysis as well as with non-hydrolysable fraction. After hydrolysis with KOH was evaluated hydrolysis kinetics. Formal kinetics of this alkaline hydrolysis; appears to agree with a second-order reaction, with effective values of rate constant c=3.9 .10 na-3 l/(mol.s) and activation energy Ea = 130 kJ/mol at a temperature of 116°C.

  • Czech name

    Kinetika alkalické hydrolýzy nerozpustného bílkovinného podílu po enzymové hydrolýze chromočiněných postružin

  • Czech description

    Deprotenizace chromitého koláče získaného po enzymatické hydrolýze chromočiněných postružin byla provedena alkalickou hydrolýzou v tlakové nádobě roztokem KOH. Kinetika podle provedených výpočtů odpovídá s dobrou shodou reakci II. řádku; efektivní hodnota rychlostní konstanty k= 8,9.10 na -3 l /(mol.s) a aktivační energie Ea = 130kJ/mol při teplotě hdrolýzy 116°C.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    DM - Solid waste and its control, recycling

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2007

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    American Leather Chemists Association Journal

  • ISSN

    0002-9726

  • e-ISSN

  • Volume of the periodical

  • Issue of the periodical within the volume

    100

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

    1-7

  • UT code for WoS article

  • EID of the result in the Scopus database