About: Deproteination of Chrome Waste by Washing and Enzymatic Hydrolysis

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Waste from the manufacture of chrome-tanned leathers (so-called shavings) can be processed (apart from alkaline or acid breakdown) by enzymatic hydrolysis employing alkaline proteases. Under mild reaction conditions, a soluble collagen hydrolyzate is formesd and a solid fraction (so-called chrome cake) with high chromium content is formed after filtration. Further use of the chrome cake, e.g., tanning bath recycling, necessitates a maximum possible reduction in the protein fraction. This work performed deproteination of the chrome cake by decantation washing with water and enzymatic hydrolysis. Decantation washing of the chrome cake obtained after twostage enzymatic hydrolysis of chrome-tanned shavings was performed six times with drinking water at laboratory temperature. A reduction in protein content occurs, as was proved by chemical analysis of chrome cakes prior to and after washing. Further deproteination of the chrome cake so washed (hence disposed of soluble part) was executed by means of addit Waste from the manufacture of chrome-tanned leathers (so-called shavings) can be processed (apart from alkaline or acid breakdown) by enzymatic hydrolysis employing alkaline proteases. Under mild reaction conditions, a soluble collagen hydrolyzate is formesd and a solid fraction (so-called chrome cake) with high chromium content is formed after filtration. Further use of the chrome cake, e.g., tanning bath recycling, necessitates a maximum possible reduction in the protein fraction. This work performed deproteination of the chrome cake by decantation washing with water and enzymatic hydrolysis. Decantation washing of the chrome cake obtained after twostage enzymatic hydrolysis of chrome-tanned shavings was performed six times with drinking water at laboratory temperature. A reduction in protein content occurs, as was proved by chemical analysis of chrome cakes prior to and after washing. Further deproteination of the chrome cake so washed (hence disposed of soluble part) was executed by means of addit (en)
Title	Deproteination of Chrome Waste by Washing and Enzymatic Hydrolysis Deproteination of Chrome Waste by Washing and Enzymatic Hydrolysis (en)
skos:prefLabel	Deproteination of Chrome Waste by Washing and Enzymatic Hydrolysis Deproteination of Chrome Waste by Washing and Enzymatic Hydrolysis (en)
skos:notation	RIV/70883521:28110/02:63500564!RIV/2003/MSM/281103/N
http://linked.open.../vavai/riv/strany	349-354
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 265200014), Z(MSM 281100002)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Růžička, Jan Kolomazník, Karel Dvořáčková, Marie Kupec, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	642482
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/02:63500564
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	deproteination, chromeč, hydrolysis, enzymes, washing (en)
http://linked.open.../riv/klicoveSlovo	enzymes washing hydrolysis chromeč deproteination
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[ACED3D448282]
http://linked.open...i/riv/nazevZdroje	Journal of the American Leather Chemists Association
http://linked.open...in/vavai/riv/obor	DM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	XCVII
http://linked.open...iv/tvurceVysledku	Dvořáčková, Marie Kolomazník, Karel Růžička, Jan Kupec, Jan Rudlová, S.
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20265200014 http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20281100002
issn	0002-9726
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	28110

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