DEVELOPMENTS IN LABORATORY EVALUATION OF SEWAGE SLUDGES DEWATERABILITY

被引：9

作者：

LOTITO, V ^{[1
]}

MININNI, G ^{[1
]}

SPINOSA, L ^{[1
]}

LORE, F ^{[1
]}

机构：

[1] CNR,IST RIC ACQUE,I-00198 ROME,ITALY

来源：

WATER SCIENCE AND TECHNOLOGY | 1993年 / 28卷 / 01期

关键词：

SLUDGE DEWATERABILITY; PARTICLE SIZE DISTRIBUTION;

D O I：

10.2166/wst.1993.0026

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Literature review shows that particle size distribution, water distribution and rheological properties can play an important role in the evaluation of dewatering performance. Following a previous study on relationships between rheological parameters and filterability parameters, work has been addressed to the understanding of the influence of particle size and water distribution on specific resistance to filtration. Tests were carried out on different types of sludge (raw, digested, conditioned). Two substantially different techniques for measuring the particle size distribution were used, showing that the mechanical technique (sieving) resulted in larger particle sizes than the optical (laser diffraction). Results showed that particle size distributions play a role in describing sludge filterability.

引用

页码：103 / 108

页数：6