Concentration Equipment is Used in Different Processes from mixingtank's blog

The benefits of using a concentrating unit to treat sludge are well known. A simple process from 1% to 5% solids sludge results in a 80% reduction in fluid in the sludge. The positive results of reduced volume quickly spread throughout the value chain, driving operational savings and positive environmental benefits.The Golden Machinery takes you through the use of different Concentration Equipment.

Sewage treatment plants typically use concentrating equipment to increase the solids concentration at the end of a particular process step in the activated sludge process. The concentration of sludge increases its solids content and reduces the volume of free water, thereby minimizing the unit load of downstream processes such as digestion and dehydration.

The most common thickening processes include gravity concentration, dissolved air flotation, and drum condensation. Centrifuge thickening is also becoming more common. The type of concentration chosen will generally depend on the size of the wastewater treatment plant, physical constraints, and downstream processes.

Gravity Concentration: This process involves concentrating the sludge into a thicker sludge and placing it in a round tank designed specifically for this purpose. Its use is mainly limited to the aqueous excess sludge of the activated sludge process. It can also be used to concentrate the sludge into a single tank or a mixture of primary and residual activated sludge prior to high speed digestion.

Dewatering of wastewater centrifuges is another sludge concentration method suitable for various situations. They usually require less space than other sludge concentration methods, but usually they are not effective for initial settling. This method accelerates sedimentation using centrifugal force.

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