INSTALLATIONS AND EQUIPMENTS Treatment of Minerals and Sludge and Sewage Disposal Filter-presses for dewatering coal refuse ultrafines. Pumping of sludge to filter-presses through centrigugal pumps.     Pumping of sludge to filter-presses through piston-diaphragm pumps. Overview of the sludge and sewage treatment and disposal. Storage of dewatering sludge.     Control center of filter-presses plant. Bent Sieve of product intake and vibrating screen with vibrating motors.     Vibrating screen for two products (sterile and coal) and vibrating wiper with vibrating motors. Centrifugue pump for pumping the gross product to cyclone of half dense. Vibrating screen basket centrifugue. Washing cyclone of half dense.     Magnetic separators. Zona Industrial s/n Apartado 38 E-33630 Pola de Lena. Asturias ESPAÑA Telf.: +34 985 491 368 - +34 985 491 707 Fax: +34 985 492 161 email: emeinsa@emeinsa.com