It can be used to disposed wasted water from manufacturing foods, alcohol and paper, disposing factory of city wasted water, beer factory, monosodium glutamate factory, sugar manufacturing and deal with wasted water with high content of organic substance, wasted water from drink, textile and printing and dyeing. In addition, it can also be used as chemical assistant such as anti expansion agent of clay, thickening agent of oil field acidification and as enhancer in paper manufacturing.