OBTAINING COMPLEX COAGULANTS FROM WASTE OF METALLURGICAL PLANTS

被引：0
|
作者：
Kuzin, Evgenii [1 ]
Kruchinina, Natalya [1 ]
Averina, Julia [1 ]
Kurbatov, Andrey [1 ]
Nosova, Tatyana [1 ]
机构：
[1] D Mendeleev Univ Chem Technol Russia, Moscow, Russia
来源：
29TH INTERNATIONAL CONFERENCE ON METALLURGY AND MATERIALS (METAL 2020) | 2020年
关键词：
Recycle; slag; water treatment; complex coagulant; wastewater; WATER;
D O I：
10.37904/metal.2020.3451
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The processes of production of pig iron, steel and cast irons are accompanied by the formation of a significant amount of slag. This waste can be sent to re-smelting, however, if it contains a high content of impurity components, it is sent to the dump as waste. This waste contains 40 - 50 % of iron compounds, with a developed surface. In the framework of the work, it is proposed to use slag as a feedstock to obtain complex coagulants. Complex coagulants are highly effective reagents used in wastewater treatment processes for hydrotreating parts, gas purification, and also galvanic wastewater. As part of the studies, the high efficiency of complex coagulants in the processes of wastewater treatment of galvanic production from chromium (VI) ions was confirmed.
引用
收藏
页码：113 / 117
页数：5
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