"dewatered sludge" is correct and usable in written English.
You can use it when referring to the solid matter or waste that is produced in a wastewater treatment process and has been dehydrated, usually with the use of a filter press. For example, "After the sludge was dewatered, it was composted and disposed of safely."
In the study, dewatered sludge containing phenolic benzotriazoles was applied onto agricultural land.
This statement applies to dewatered sludge and not to digested sludge.
Finally, 9247 g dewatered sludge with a dry matter content of 9.43%, corresponding to 872 g dry substance was produced.
This study recommends limited liming & solar drying as an alternative to only-liming the mechanically dewatered sludge.
An additional objective was to study the impact of the initial C/N ratio and moisture contents on the co-composting process of dewatered sludge.
When a US water agency wanted to improve its sludge solids dewatering as part of a major sludge handling upgrade, it opted for screw press technology, selecting sludge cake progressing cavity pumps by Netzsch designed to convey dewatered sludge easily.
The main plot treatments were soil (S), dewatered faecal sludge (DFS), municipal solid waste compost (C), co-compost from municipal solid waste and dewatered faecal sludge (Co), compost enriched with (NH4 2SO4 (EC), co-compost enriched with (NH4 2SO4 (ECO), (NH4 2SO4 and NPK15 15 15 + (NH4 2SO4.
Samples of influent and effluent wastewater and dewatered sewage sludge were collected seasonally from 23 plants and processed according to USEPA Method 1623.
Central-composite design (CCD) and response surface methodology (RSM) were used to optimize the parameters of volatile fatty acid (VFA) production from food wastes and dewatered excess sludge in a semi-continuous process.
Based on this design, emptying the pit and transporting the dewater sludge is far much cheaper and easier than current practice (using vacuum trucks).
