... pretreatment, press works is the pre-treatment and press of oil materials. Raw materials of oil pretreatment equipment involved: soybean ... shape billet), modulation (softening), rolling embryo, steaming and roasting (dry), pressing and bulking, wet heat treatment, dry, oil residue processing ... 000 tons/day. Hammer mill used for palm nuts and raw materials.(6) evaporate fry: piece.modified process, fuel ...