Sewage treatment: City sewage treatment, food processing, metallurgy, dyeing industry, mineral processing industry, sugar industry and various kinds of industrial wastewater treatment. | Paper industry: Paper industry can be use for paper dry strength agent, retention agent, filter aid,improving paper quality and paper production capacity. | Oil industry: Polyacrylamide is widely used in oilfield chemicals such as clay anti-expansion agents, thickeners for oil field acidification, and oily wastewater treatment agents. |