DEWATERING CHARACTERISTICS OF OILY SLUDGE

被引：5
|
作者：
TAY, JH
JEYASEELAN, S
机构：
来源：
WATER SCIENCE AND TECHNOLOGY | 1993年 / 28卷 / 01期
关键词：
WASTE-WATER SLUDGE DEWATERING; OILY SLUDGES; CAPILLARY SUCTION TIME; SLUDGE CONDITIONING; VACUUM FILTRATION;
D O I：
10.2166/wst.1993.0056
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Proper sludge conditioning facilitates better dewatering of sludges. Sludge conditioning techniques required for different sludges highly depend on the properties of the sludges. Dewatering characteristics of oily sludges were studied for different degrees of oil content in sludge with lime as sludge conditioner. The optimum dosage of lime was found to range from 6% to 10% to yield favourable characteristics of the sludge for better filterability. Also the established correlations between the combinations of dewatering characteristics, such as specific resistance, capillary suction time, cake solid content and filter yield provide means of quick indication for the nature of the sludges.
引用
收藏
页码：249 / 256
页数：8
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