sludge dewatering

The productive performance test and measurement of dewatering chemical sludge with centrifuge and the pilot-plant performance test with a mini-belt press filter were studied for the need of engineering construction of 300 000 ton ethylene per year in Jilin Chemical Industrial Corporation Limited.

为配合吉林化学工业股份有限公司30万t乙烯工程A/O工艺废水处理工程化学污泥脱水的需要，进行了生产运行离心机性能考核测试和小型带式压滤机应用于化学污泥脱水的中试性能试验研究。

Add dewatering agent before dehydration for chemical toning can improve the dehydration properties of sludge.

脱水前向污泥中投加脱水絮凝剂进行化学调理可以改善污泥的脱水性能。

The results show that pretreatment by ferrate potassium can change the structure of the sludge flocs and improve sludge dewatering extent. But it also increases the content of EPS, which affects adversely the filtration rate of the sludge.

实验结果表明，高铁酸钾的强氧化性可以破坏污泥絮体结构，提高污泥的机械脱水程度；但同时污泥EPS含量和LB-EPS含量增加，对污泥过滤脱水速率有负面影响。

The wastewater treatment plant works both with best results of sludge dewatering and the dosage consumption minimum to decrease the operating expense and the total investment.

处理厂既要保证泥饼的含水率，又要最小化絮凝剂的投加量，来降低运行成本，减少污水处理的总投资。

Synthesis of Sludge Dewatering Agent and Its Application

污泥脱水剂的合成及试验效果

Sludge dewatering of vacuum filtration is mainly applied to dehydrate the sludge in primary setting tank and digestion tank.

真空过滤脱水用于初沉池和消化池污泥脱水；

Sludge Dewatering Centrifuge with Low Energy Consumption and High Dryness

低能耗高干度污泥脱水离心机

Research on optimizing chemical dosage control in thickened sludge dewatering

污泥浓缩脱水投药量优化控制的研究

The result shows that coagulation is inadaptable to the treatment of sludge from water works, and use of powdered coal ash from power plant as conditioning agent can greatly reduce the specific resistance of sludge and the dewatering performance can be improved.

结果表明，自来水厂污泥不宜采用混凝处理，而利用电厂粉煤灰作调理剂，可使污泥比阻大幅度下降，改善了脱水性能；

A New Type of Sludge Dewatering Equipment& Rotary Press Filter

一种新型污泥脱水设备&滚压式污泥脱水机

Application analysis showed that in pace with variation of sludge year after year, dewatering centrifuge will become main dewatering machine.

应用分析表明，随着污泥性状逐年变化，离心脱水机将成为主流脱水机。

Based on the results of bench scale drying column and field experiment of pilot sand drying bed, the performance of sand drying beds for waterworks sludge dewatering was researched, and some problems existed in the present design methods for sand drying beds were studied.

通过模型试验柱和小型干化床的现场试验，对水厂污泥干化场脱水效果与干化场设计计算方法进行了考察研究。

The research on optimizing chemical dosage consumption is an important question for discussion in thickened sludge dewatering operation.

确定絮凝剂的最佳投药量的研究一直是污水处理厂运行中的一个重要课题。

It is presented in detail that the use and operation management of sludge dewatering by a belt filter press in Huzhou North Wastewater Treatment Plant; and a summary is also given.

重点介绍湖州市北污水处理厂采用带式压滤机进行污泥脱水处理的应用情况及运行管理，并进行了小结。

The factors effecting sludge dewatering performance are also probed.

这也是要探讨污泥脱水性能影响因素的目的.

The results showed that PAM of both cation type and anion type can be used to improve the performance of sludge dewatering, although the dewatering performance was improved at similar levels, the residual acrylamide monomer in finished water was lower using PAM of anion type.

实验结果表明：对不同浓度的污泥，投加阴、阳离子型PAM均能有效降低污泥比阻值、改善污泥脱水性能，但使用阴离子型PAM，出厂水丙烯酰胺单体含量更低。

A screening study of some polyacrylamide for decanter centrifuge in residual sludge dewatering

卧螺机污泥脱水中几种聚丙烯酰胺的筛选研究

Study on test and measurement for dewatering chemical sludge

离心机考核测试和带式机脱水性能试验研究