In recent years, the government has increased efforts to promote energy saving, making gypsum recycling and other policy and development opportunities, the world gradually get a better understanding of gypsum, also aware of the harm caused to the environment, increasing of research and development efforts has achieved fruitful results.

In phosphoric acid production process, part of the phosphate rock is not decomposed, gypsum washing the filtration process is not completely and the addition of additive are all reasons of gypsum containing phosphorus, fluorine and other impurities. gypsum can be used in pharmacy industry.

Gypsum not only can be used in cement, gypsum products, but can also be used to produce potassium sulfate, potassium sulfate, ammonium sulfate and cogeneration and NPK compound fertilizer, and can be used for construction of gypsum-based roads embankment, made RCC construction of parking lots. With the development of science and technology, gypsum has turned into valuable secondary resources in people's daily life, can promote economic and industry development.