Chemical oil filter, which comprises a substrate with an alkaline substance. Base made of ceramic material preparation and in vivo formation of porous structure. Alkaline substances attached to the matrix. These chemical oil filter has the advantage of removing acid from oil.

Oil filters, including shell, a common filter located inside the shell membrane and chemical filters. Open inlet holes and outlet holes on the shell, oil the entrance hole into the shell, through ordinary filter membrane filtrate particles, chemical filters to remove the acids in the oil, oil from the exit hole out. Above oil filter can effectively remove acidic substances in the engine oil, thus avoiding acid corrosion of engine parts.