A salt-free and chromium discharge minimizing tanning technology: the novel cleaner integrated chrome tanning process
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- 作者：Chunxiao Zhanga ; Jiang Lina ; Xinju Jiab ; Biyu Penga ; b ; pengbiyu@scu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Leather manufacture ; Chrome tanning ; High exhaustion ; Aromatic sulphonic acid ; Salt-free pickling
- 刊名：Journal of Cleaner Production
- 出版年：2016
- 出版时间：20 January 2016
- 年：2016
- 卷：112
- 期：part_P1
- 页码：1055-1063
- 全文大小：2371 K
文摘
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The novel process resolves a century problem satisfactorily in leather industry.
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No common salt is needed any more in pickling–chrome tanning process.
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The chromium absorbility is increased from 73% to 98% by the novel process.
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The chromium concentration of chrome tanning waste water is dropped to below 50 mg/L.
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Being commercially viable, the novel process reduces Cr offering by 30% nearby.