Alpha process engineers provides driers that find applications in chemical, pharmaceuticals, food, pigment and allied industries. Models offered include rotary double-cone vacuum type and vaneuleth or rotary vacuum type. These are Offered in working capacity upto 1,000 ltr for double cone and up to 2,000 ltr for vaneuleth. The materials used for construction is ss-304 and ss-316 is used for contact parts and balance carbon steel. These come with leak-proof rotary joints/seals. The evaporation rates range between 0.05 to 1.20 kg of water/hr/sq ft surface area, depending on the operating parameters. Uniform and homogenous drying, with residue moisture up to 0.2 per cent by weight can be achieved.