Abstract

Currently, the leather industry has to deal with very high costs for waste treatment and disposal. As a result, it is recommended to subject the organic protein waste from tanning to biochemical treatments for recycling in the industry. The degree of novelty lies primarily in the fact that the starting point of the promoted technologies is obtaining new complex products by processing organic waste and using it in tanneries. The lime fleshings resulting from the hide fleshing operation represents the highest amount of reusable leather material of approx. 25%. This paper presents an innovative process for the biochemical degradation of hide waste resulting from hide fleshing in order to obtain a retanning/filling agent used in leather processing.

Highlights

  • The leather industry has to deal with very high costs for waste treatment and disposal

  • Leather industry generates huge amount of fleshing waste, which is rich in proteins and lipids that have potential for various applications [1,2,3]

  • All waste treatments are mainly aimed at substantially reducing environmental pollution

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Summary

Retanning Bioagent Used in Leather Processing and Process of Obtaining Thereof

This paper presents an innovative process for the biochemical degradation of hide waste resulting from hide fleshing in order to obtain a retanning/filling agent used in leather processing. Current technologies are primarily intended for untanned hide waste [11] and generally aim to extract the collagen protein, the basic leather component, in the form of short fibers or dissolved, for the highest yield that can be used as a protein binder, such as a source of collagen in the pharmaceutical and cosmetic industry, the footwear industry in manufacturing insoles obtained from tanned (chrome) leather, or for the production of fertilizers[12]. This paper presents an innovative process for the biochemical degradation of hide waste resulting from hide fleshing in order to obtain a retanning/filling agent used in leather processing, which was characterization by chemical and FT-IR Analysis

Experimental part Materials
Obtaining of hydrolysate
Results and discussions
Conclusions

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