HIDE LIMING AND DRENCHING PROCESS USING ENZYMES

The invention relates to a process for the production of pelts ready for tanning, from hides and skins, using proteolytic and lipolytic enzymes in the beam house, wherein in at least one of the part-steps in the beam house consisting of a) the lime in the pH range 11.5 - 14 and the b) bate in the pH...

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Bibliographic Details
Main Authors TILMAN, TAEGER, GERTRUD, WICK, JURGEN, CHRISTNER
Format Patent
LanguageEnglish
Published 15.06.1999
Edition6
Subjects
APPARATUS THEREFOR
BEER
BIOCHEMISTRY
CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING
CHEMISTRY
COMPOSITIONS FOR TANNING
ENZYMOLOGY
HIDES
LEATHER
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
PELTS
SKINS
SPIRITS
VINEGAR
WINE
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Summary:The invention relates to a process for the production of pelts ready for tanning, from hides and skins, using proteolytic and lipolytic enzymes in the beam house, wherein in at least one of the part-steps in the beam house consisting of a) the lime in the pH range 11.5 - 14 and the b) bate in the pH range 5 - 11.5 in the aqueous liquors corresponding to these part-steps, alkaline lipases (E.C.3.1.3.) with an activity optimum in the pH range 9 - 11 are employed.
Bibliography:Application Number: KR19920702971