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Issue 3/2013 - Arsenic-containing waste acid for resource utilization

 Last Update: 2022-11-12
 Source: Internet
 Author: User

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Arsenic-containing waste acid is used for resources

Recently, Guangxi Nanning Donghe Xinying Environmental Protection Technology Co.
, Ltd.
and Guangxi University jointly developed arsenic-containing waste acid treatment and resource utilization technology has made a breakthrough
.
Researchers apply the self-developed barium sulfide double-cycle injection reaction method to treat arsenic-containing waste acid technology, so that the treated waste residue is recycled, which fundamentally solves the contradiction between the development of arsenic-containing waste acid enterprises for a long time and environmental protection, and the enterprise can achieve clean production and turn waste into treasure
.
After the application of this technology, the company's arsenic-containing waste acid can be fully utilized
.
They treated arsenic-containing waste acid with arsenic content of 1%~5% and sulfuric acid content of 2%~10%, changed the treatment process of the original lime to neutralize the production of arsenic-containing gypsum, developed a resource common technology for converting arsenic-containing waste acid into high-grade arsenic resources with arsenic content of more than 30% and recycling sulfuric acid, and developed a new process and technology route
for the treatment and resource utilization of arsenic-containing waste acid, clean production and energy conservation and emission reduction of related enterprises.
(Willow)

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