Waste clay for vegetable oil decolorization is powder .The difficulty to recover the oil from the existing process and equipment at present is that of solid liquid separation in mixed oil .Mixed oil is non-aqueous medium suspension , which has diffusion double layers , so the mixed fluid system is stable .Adding some kind of coagulant to make solid particles in suspension would produce adsorption electric neutralization ,which would cause the gather-ing of solid particles .In this case , high efficiency and energy saving satellit...
