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Statements

Subject Item
n2:RIV%2F70883521%3A28140%2F14%3A43872625%21RIV15-MSM-28140___
rdf:type
n13:Vysledek skos:Concept
rdfs:seeAlso
http://www.naun.org/main/NAUN/ijmmas/2014/a022001-035.pdf
dcterms:description
Leather industry is a prominent producer of large amount of waste. Some of this waste, especially chrome-tanned waste, is classified as hazardous. Disposal of this waste in landfills is expensive and brings both health and environmental risks. However, this waste also represents interesting source of valuable raw materials and it is advantageous to search for possibilities of its processing. Two-step enzyme hydrolysis seems the most attractive processing technology so far; however, it is not completely zero-waste due to its by-product, so-called chromium sludge. Relatively high protein content in the sludge represents technological obstruction and limits its further treatment and applications. The paper focuses on deproteination (removal of proteins) of chromium cake through a combination of mathematical and experimental methods. Mathematical model has been proposed for desorption of the protein fraction into the washing bath for various soaking numbers and decantation washing. The reliability of the model to predict the course of the desorption process was evaluated by means of experimental desorption of the protein fraction into the washing solution. The results of mathematical modeling showed that appropriate choice of conditions can lead to practically total deproteination of chromium cake. The mathematical model also serves as a basis for optimization of the process. Leather industry is a prominent producer of large amount of waste. Some of this waste, especially chrome-tanned waste, is classified as hazardous. Disposal of this waste in landfills is expensive and brings both health and environmental risks. However, this waste also represents interesting source of valuable raw materials and it is advantageous to search for possibilities of its processing. Two-step enzyme hydrolysis seems the most attractive processing technology so far; however, it is not completely zero-waste due to its by-product, so-called chromium sludge. Relatively high protein content in the sludge represents technological obstruction and limits its further treatment and applications. The paper focuses on deproteination (removal of proteins) of chromium cake through a combination of mathematical and experimental methods. Mathematical model has been proposed for desorption of the protein fraction into the washing bath for various soaking numbers and decantation washing. The reliability of the model to predict the course of the desorption process was evaluated by means of experimental desorption of the protein fraction into the washing solution. The results of mathematical modeling showed that appropriate choice of conditions can lead to practically total deproteination of chromium cake. The mathematical model also serves as a basis for optimization of the process.
dcterms:title
Mathematical model of protein sorption and evaluation of its validity in deproteination of chrome-tanned wastes Mathematical model of protein sorption and evaluation of its validity in deproteination of chrome-tanned wastes
skos:prefLabel
Mathematical model of protein sorption and evaluation of its validity in deproteination of chrome-tanned wastes Mathematical model of protein sorption and evaluation of its validity in deproteination of chrome-tanned wastes
skos:notation
RIV/70883521:28140/14:43872625!RIV15-MSM-28140___
n3:aktivita
n18:P
n3:aktivity
P(ED2.1.00/03.0089)
n3:cisloPeriodika
1
n3:dodaniDat
n9:2015
n3:domaciTvurceVysledku
n7:8724687 n7:3066835 n7:8963967
n3:druhVysledku
n4:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
27628
n3:idVysledku
RIV/70883521:28140/14:43872625
n3:jazykVysledku
n10:eng
n3:klicovaSlova
chrome-tanned wastes; deproteination; sorption; protein; Mathematical model
n3:klicoveSlovo
n6:Mathematical%20model n6:sorption n6:chrome-tanned%20wastes n6:protein n6:deproteination
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[44FF296240E9]
n3:nazevZdroje
International Journal of Mathematical Models and Methods in Applied Sciences
n3:obor
n15:CI
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n14:ED2.1.00%2F03.0089
n3:rokUplatneniVysledku
n9:2014
n3:svazekPeriodika
8
n3:tvurceVysledku
Kolomazník, Karel Bařinová, Michaela Pecha, Jiří
s:issn
1998-0140
s:numberOfPages
10
n19:organizacniJednotka
28140