RECOVERY OF ZINC FROM WASTES OF VISCOSE FIBER PRODUCTION BY AN ACID-BASE METHOD

被引：1

作者：

Matveichuk, Yu. V. ^{[1
]}

Oboturov, A. V. ^{[1
]}

Yasinetskii, V. V. ^{[1
]}

机构：

[1] Mogilev State Food Univ, Mogilov, Russia

来源：

FIBRE CHEMISTRY | 2011年 / 43卷 / 03期

关键词：

Zinc; Zinc Oxide; Zinc Sulfide; Zinc Chloride; Viscose Fiber;

D O I：

10.1007/s10692-011-9341-0

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The zinc content in wastes of viscose fiber production is 14.3 +/- 0.5%. The present article proposes to perform reprocessing of the wastes by a method that avoids roasting and electrolysis. Zinc is extracted from the wastes by solutions of H2SO4 (4 M) and HCl (4 M) (preferred) at 70 degrees C for 3 h. The final reprocessing product is zinc oxide. The zinc-oxide content in the resulting ZnO samples is 99.2 +/- 0.4%. A conceptual diagram of the method was developed.

引用

页码：245 / 249

页数：5

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