Kingtiger (Shanghai) Environmental Technology Co., Ltd.

What Exactly Is The Technique Of Sewage Sludge Management?

Sewage sludge may be the end product of wastewater which includes undergone treatment. It consists of inorganic and organic materials. These materials could be a variety of materials including high concentrations of plant nutrients, pathogens and organic chemicals. Therefore, it is essential that this sludge is properly managed and treated in order that it may have a less severe environmental impact.

This is a brief overview of the sewage sludge management process in order that you have a better understanding with regards to the procedure and treatment techniques and requirements.

Sludge Thickening

The 1st element of this procedure plan is referred to as thickening. With this step, the sewage sludge is thickened inside a component referred to as gravity thickener. This component really helps to lower the sludge's overall volume, helping to make it easier to handle.

Another alternative process which you can use in this step is dissolved air floatation. This method can thicken the sewage sludge by utilizing air bubbles so the solid mass is able to stay floating ahead.


After every one of the solids in the sludge continues to be collected ahead, the sludge digestion process may start. This really is process in biological naturally and organic solids that are within the sewage sludge are further decomposed into more stable substances.

The digestion process can also help decrease the level of mass solids, whilst destroying any pathogens which might be present. This gives easier dewatering of the sludge.

The digestion process inside a sewage sludge management system is really a two-step process. In the initial step, the solid sludge is dried and heated prior to being mixed within a closed tank. This enables anaerobic digestion to start with acid-forming bacteria.

The bacteria hydrolyze the lipids and enormous protein molecules which are within the sewage sludge and after that break them down into molecules which are water soluble. In turn, they ferment into various kinds of essential fatty acids.

The sewage sludge then enters into one other tank where it the sludge is transformed into a blend of CO2 (co2) and methane by other bacteria. The methane will then be collected before being reused so that you can power the digestion tank. The methane is likewise utilized to generate power according to the amount that is certainly retrieved.


Once the useful byproducts and gases happen to be retrieved, the sludge which is left over is dewatered just before the last disposal. In virtually all cases, the sludge that has been dewatered contains a large amount of water. In fact, it could contain up to 70 percent water though it may be within a solidified state. Click for more info.

That is why it is essential that the sludge is dried and dewatered upfront.


After the sewage sludge is dewatered effectively, it could then be utilized for fertilizer or it could be buried underground in a landfill. The way it is commonly used is reliant on its chemical composition.

There are a few cases where the sludge is just too toxic to be buried or reused. This is where the sludge is incinerated and converted into ash.

Although sewage sludge charcoal machinery is treated within standard action plan, it is essential to consider specific factors including origin of your sewage. This should help you optimize your output and minimize costs.