Your web browser is out of date.

Update your browser for better security, speed and to get the best experience on this website.

Update your browser


Dewatering processes mechanically remove a significant proportion of the sludge water content to produce a concentrated sludge product, with a dry solids concentration generally between 15 and 45%. At this concentration the product, referred to as a cake, is not free-flowing and instead forms lumps which can only be transported by a conveyor belt, mechanical earth-moving equipment, or spade.

Dewatering related videos

Benenv's products and services for wastewater and sludge treatment − a showcase Source: Joseph Chahwan / YouTube

Benenv's products and services for wastewater and sludge treatment − a showcase

A showcase for Jiangsu Benenv Environmental Protection Co., Ltd's products and services for wastewater and sludge treatment.

Products include the elliptical Wave Separator and the Multi Disk Screw Press for sludge dewatering, the super sludge dryer, and the sludge carbonization furnace. Services include process design, and equipment supply and installation.


Dewatering features and blogs

HTC/AD integration flowsheet

Co-processing of sewage digestate by hydrothermal carbonisation

Hydrothermal carbonisation (HTC) can be used to co-process anaerobic digestion (AD) digestate and lignocellulosic (or plant-based) feedstocks to improve the the hydrochar product quality. This AD waste co-processing route has been studied at bench scale. Read article

More Dewatering topics…

More process and operation topics…