Kontaktujte nás | Jazyk: čeština English
Název: | Mathematical simulation for optimization of tanning processes; deliming of white hide |
Autor: | Kolomazník, Karel; Uhlířová, Michaela; Vašek, Vladimír; Janáčová, Dagmar; Šolc, Jaroslav |
Typ dokumentu: | Článek ve sborníku (English) |
Zdrojový dok.: | Proceedings of the 8th WSEAS International Conference on Applied Informatics and Communications, Pts I and II. 2008, p. 63-68 |
ISBN: | 978-960-6766-96-1 |
Abstrakt: | In this paper, the authors show the usefulness of theoretical tools of chemical engineering in natural polymer processing, namely on the example of white hide deliming. White hide is a consequent product in the processes in which raw hide is transformed into leather. It is produced in the de-hairing stage which follows the soaking operation. For next operation, tanning, it is necessary to remove calcium hydroxide from white hide. Mathematical descriptions of both non-chemical and chemical deliming are presented, concentration fields of the reacting chemicals described and the importance of the acido-basic boundary inside the white hide shown. Experimental determination of the effective diffusion coefficient is also included. The presented mathematical models can serve as a very good basis for rationalization of the deliming process, save considerable amounts of energies, deliming chemicals and technological water, and make the whole process more environmentally friendly. |
Plný text: | http://www.wseas.us/e-library/conferences/2008/rhodes/istasc/istasc08.pdf |
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