... factory, cooking oil factory, vegetable oil factory, it can help factory reclaim remnants oil. Also, TPF is a ... big and tiny impurity; the precision of purification can reach to 1 Micro. The Vacuum system equips ... need heat the oil to 45 C, Then it can remove the tiny water, soluble water, acid, ... the stainlessness steel filter, the purification hole is less then 1 Micro, which can make sure the oil is ...