Drum Filters Articles

  • Rotary drum vacuum filters for production of wallboard-grade gypsum

    ABSTRACT Conventional wisdom is that production of wallboard-grade FGD gypsum requires the use of horizontal belt vacuum filters for dewatering service, to limit cake moisture to 10% or less. New Brunswick Power initially planned to use HBVFs for gypsum dewatering for the FGD retrofit to its 3 x 350 MW Coleson Cove plant. However, project budget constraints led to cost reduction ...


    By Komline-Sanderson

  • Waste water treatment costs reduced by 50% with rotary vacuum precoat filter - Case Study

    Problem: The solids separation system at Lindc's waste water treatment facility had high operating, maintenance and sludge disposal costs. High operating costs were caused by the large pumps and special treatment chemical required to operate the filter, and frequent cleaning, repair and replacement of filter elements resulted in high maintenance costs. Union Carbide Corporation's Linde ...


    By Komline-Sanderson

  • LiquiSorb 200 saves time and money before the rubber hits the road

    Problem In tire manufacturing there is much more to the finished product than just rubber. Tire chords, a by-product of the manufacturing process, are coated with a proprietary dip solution that acts as a flexible adhesive/bond in tires. This dip solution has an extremely high concentration of solids in water, making traditional wastewater treatment techniques less effective, extremely slow, and ...


    By CETCO Energy Services

  • Milling filter cakes - Cutting instead of pressing to achieve more uniform particle size

    There are various methods of separating solids from a suspension. These include filtration, centrifuging and drying. In most cases, further processing of the resulting products cannot be carried out directly. They have to be reduced to the right particle size by means of a mill. This can be done with a Gericke Nibbler, which shreds the filter cakes efficiently using a basket and screen assembly. ...


    By Gericke

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