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首页> 外文会议>Italian Conference on Chemical and Process Engineering(ICheaP-6) vol.2; 20030608-11; Pisa(IT) >Enzymatic degreasing of animal skin
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Enzymatic degreasing of animal skin

机译：酶解动物皮肤

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摘要

Excess natural grease in raw animal skins, leading to various defects in the finished leather, are traditionally removed by solvent extraction of by use of surfactants. Biocatalysts offer innovative, environment-friendly methods for the fat removal, potentially leading to improved quality of the finished leather. Biocatalysts in different configurations (purified enzymes, culture medium, whole cells) have been compared as regards their degreasing performance. The experimental results obtained show that the direct use of lipase-producing microorganisms allows cheaper and flexible solutions in comparison to purified enzymes. The analysis of the parameters affecting the reacting system has been carried out, in order to help a complete process optimisation.
机译：传统上，通过使用表面活性剂的溶剂萃取，可以去除生动物皮肤中过多的天然油脂，导致成品皮革中出现各种缺陷。生物催化剂为脂肪去除提供了创新的，环境友好的方法，从而有可能提高皮革成品的质量。已经比较了具有不同构型的生物催化剂（纯化的酶，培养基，全细胞）的脱脂性能。获得的实验结果表明，与纯化的酶相比，直接使用产生脂肪酶的微生物可以提供更便宜，更灵活的解决方案。已经进行了影响反应系统的参数分析，以帮助完成工艺优化。

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