Precipitation of sulfates from wastewater from 2-ethylhexyl nitrate production by using calcium aluminate cement

被引:0
|
作者
Salwiczek, Szymon [1 ]
Barbusinski, Krzysztof [1 ]
机构
[1] Politech Slaska, PL-44100 Gliwice, Poland
来源
PRZEMYSL CHEMICZNY | 2013年 / 92卷 / 05期
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Sulfates, nitrates and org. matter-contg. wastewater from prodn. of BuEtCHCH2ONO2 was treated with Ca aluminate cement to ppt. the impurities. Under optimum conditions (cement content 2.16 g/L, pH 11.6, reaction time 180 min), the concns. of sulfates, nitrates in the wastewater were decreased by 77.8 and 8.3%, resp., and COD was decreased by 14.0%.
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页码:693 / 697
页数:5
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