... , and decoloring, fluoride, aluminum, chromium, phenol, except the oil, turbidity removal, in addition to heavy metal salt, except the ... , sewage. 2).Purification industrial water, industrial waste, mining, oil field back to water injection, purify the paper, metallurgy, coal ... industry, wastewater recycling. 4).In the oil refining industry, used for water-oil separation, the effect is really good. ...