Alfa Laval’s latest developments in sludge dewatering with decanter centrifuges

Summary

The innovative technologic solutions developed by Alfa Laval Company and implemented in Aldec G3 decanter centrifuge are considered. Alfa Laval Company produces two types of advanced decanter centrifuges for wastewater sludge dewatering (altogether there are more than 12 types of centrifuges for use in various fields: from the food industry and biopharmaceuticals to dewatering oil sludge or tailings of the mining industry). The use of Aldec G3 decanter centrifuge provides for the maximum reduction in the total cost of wastewater sludge dewatering. Described are the types of repair work for decanter centrifuges carried out in Alfa Laval, the only ISO-certified service center in Russia.

Key words

power saving , wastewater treatment , decanter , sludge dewatering , decanter centrifuge , equipment upgrade

Domestic decanters for wastewater sludge thickening and dewatering

Summary

The issues of import phase-out and technical re-equipping in the development and production of decanters designed for wastewater sludge dewatering and thickening are addressed in the paper. Technical specifications for the equipment and information on the companies rendering high-quality decanter repair services are set. The development trends and challenges the Russian dewatering equipment manufacturers are facing are specified. This review article is intended to render practical assistance to the environmental engineers, production workers, and facility managers in using decanters at the water and wastewater treatment facilities.

Key words

dehydration , capacity , sludge , decanter , rehabilitation , thickening , import substitution