介绍了采用碱处理法、酸处理法、氧化法、酶处理法等从皮革废弃物中提取胶原蛋白的几种方法，还介绍了这些胶原蛋白在造纸中的应用现状及发展趋势。
The extractions of collagen from tannery wastes by acid, alkali, enzyme, oxidation etc were introduced. The application of collagen fiber in papermaking and its developing tendency were also analyzed.
通过对皮革固体废弃物进行预处理、 打浆得到胶原纤维浆料，将其与植物纤维配抄，对胶原纤维成纸性能进行了研究。
The pulp was prepared with leather solid waste by the pretreatment and beating. The property of collagen fiber for papermaking was observed by compound sheet.
对皮革固体废弃物的来源及其污染进行了描述，同时概述了几种皮革固体废弃物的绿色化途径。
In this article, the origin and pollution of solid leather waste have been described, and some green routes have been summarized.
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