Rotary vacuumdrum filter Wikipedia
Rotary vacuum drum filter. Rotary vacuum drum filter (RVDF), patented in 1872, is one of the oldest filters used in the industrial liquidsolids separation. It offers a wide range of industrial processing flow sheets and provides a flexible application of dewatering, washing and/or clarification. A rotary vacuum filter consists of a large rotating drum covered by a cloth. The drum is suspended on an axial over a