糠醛精制 meaning in Chinese

furfural treatment

Study on extraction of lubricating oils by using furfural
糠醛精制润滑油的研究
Study on optimization of furfural extraction technology for transformer oil
糠醛精制变压器油工艺优化研究
Manufacturing technique of wax microcrystalline : with crude oil vacuum residua fractions as material , it is made from propane taking off asphaltum , furfural refining , ketone benzene taking off oil , and argil refining
微晶蜡的生产工艺流程:本产品以天然原油的减压渣油为原料，经丙烷脱沥青、糠醛精制、酮苯脱油、白土补充精制及加氢补充精制冷却后成型而制得该系列产品。