Sludge Thickening and Dewatering

Picket Fence Thickeners

Sludge thickening is the process of increasing the solids content of sludges from primary and/or secondary settling tanks. The process serves to reduce the size of the subsequent sludge dewatering steps. The influent sludge is fed to the center of the tank and the thickened sludge on the tank bottom is pushed into and central hopper by the scraper blades, from where it is drawn off either hydrostatically or by a pump and sent to further sludge processing steps.

Generally, a picket fence structure is installed on the scraper arms for gentle mixing of the settled sludge for better consolidation.

In continuously fed sludge thickeners, the supernatant is collected by peripheral weirs while in intermittent feed system alternate are used for decanting the supernatant.

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MAN 4510 Brochure

Belt Thickeners

Sludge thickening is the process of increasing the solids content of sludges from primary and/or secondary settling tanks. Belt thickeners widely serve to reduce the size of the subsequent sludge dewatering steps in treatment plants.

Belt Thickeners is used as a seperate machine to provide sludge thickening or it can be integrated with beltpress to provide better dewatering results at the end. Standart sizes are with 1000 mm, 1500 mm, 2000 mm and 2500 mm belt width and supplied with mandatory accesories.

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MAN 4710 Brochure

Beltpress

Thickened sludge still contains big amount of water and needs to be dewatered. Beltpress is a sludge dewatering machine designed for continuous operation and widely used in treatment plants, from middle to big capacity ones.

Belt press frame and main body are manufactured from galvanized steel or stainless steel. Standart sizes have 1000 mm,1500mm, 2000 mm and 2500 mm belt width.

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MAN 4610 Brochure

Polyelectrolyte Make-up Unit

In chemical water or wastewater treatment plants and filtration systems to aid flocculation and in sludge dewatering plants for conditioning of chemical sludge or excess biological sludge.

Main body of the unit is made of stainless steel and it is manufactured as single, double or multi compartments. The unit is also equipped with heating element, vibrator,polymer feeding screw, intake water valve and level instrumentsfor automatic operation.

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MAN 8500 Brochure

 

MASS ARITMA SISTEMLERI INSAAT SANAYI ve TICARET A.S.
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