Use: For the papermaking , production of cellulosic thick liquid and dregs of rice; Used in the soap , formate production of washing the silk ribbon pharmaceutical , formating the fatty acid and refinement moving the vegetable fat. Textile printing and dyeing industry use as rice cotton retreat the thick liquid pharmaceutical , boil and smelt the pharmaceutical and pharmaceutical of silky luster of mercerized cotton fabrics. The chemical industry is used for producing borax , Cymag , formic acid , oxalic acid , phenol ,etc.. The petroleum industry is used for refining the petroleum products, is used in the well drilling mud in the oil field.