Cleaning of waste gases in the production of alloys that contain rare-earth metals

被引：0
|
作者：
Z. S. Svanidze
B. G. Gogichaishvili
O. Sh. Mikadze
L. L. Kashakashvili
G. A. Lomtatidze
T. I. Buchukuri
机构：
[1] Georgian Technical University,
[2] Georgian Academy of Ecological Sciences,undefined
来源：
Metallurgist | 2006年 / 50卷
关键词：
Activate Charcoal; Induction Furnace; Manganese Dioxide; Calcium Fluoride; Small Furnace;
D O I：
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中图分类号：
学科分类号：
摘要：
A simple and effective system has been developed to clean the waste gases formed in small furnaces. It is proposed that a 5–10% solution of Ca(OH)2 be used to neutralize SO2 in the gases. The correct amount of solution to use has been determined. Activated charcoal of the 3–20 mm fraction has been tried as the adsorbent and can be used repeatedly after desorption. A high degree of efficiency is obtained in cleaning the waste gases: 88–99% for charges of composition I and 91–98% for charges of composition II.
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页码：215 / 218
页数：3
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