Used rotating drum pre-coating vacuum filter in stainless steel 321 design. Drum has dimenssions: diameter 900 mm x length 2100 mm, what gives filtration surface 6 square meter. Filter is equipped with vacuum system (vacuum pump SS 316, pressure tank), control panel and discharge system of liquid fase. Solids are collected from drum with carbon steel knife, indexed mechanically. Drum is equipped with spraying nozzles for washing a drum surface. No technical documentation included.