Polyferric sulfate plays an important role in the treatment of sewage. From the national situation, the current urban water shortage is serious, which has caused serious economic losses and social and environmental problems. The distribution of water-deficient cities will gradually spread to the whole country from the three north (North China, Northeast, Northwest) regions and the eastern coastal cities. Water conservation, wastewater treatment and the development of new water sources are equally important. Ferrous sulfate heptahydrate The development of water treatment chemicals such as polyferric sulfate plays an important role in saving water and treating sewage.
Water treatment agent belongs to the category of fine chemicals. Compared with common chemicals, it has many characteristics of fine chemicals. For example, the production scale is generally small, so the investment in building equipment is small, the output is small; the variety of products is large, and the variety is updated quickly. ; additional output value; technical services are essential; various products, especially compound products, have a strong specificity. Welcome to the company ***http://
As a low molecular inorganic coagulant, aluminum sulfate, ferrous sulfate and ferric chloride still have a large market in water treatment. Inorganic polymer coagulants are a new class of water treatment agents. In recent years, inorganic coagulants have developed rapidly. At present, the main varieties are polyaluminum chloride (PAC), polyaluminum sulfate (PAS), polyferric sulfate (PFS) and polyferric chloride (PFC). The first three types have stereotyped products, and the ferric chloride is still in the research and development stage. The development of composite inorganic polymer coagulant is a clear trend in recent years. Many complex varieties have been developed, such as anionic complex type (such as introduction of SO42 in PAC, introduction of chloride in PFS, etc.), cationic composite type (such as PAC). Introduced Fe3+, etc., multiple ion complex types (composite of iron, sulfate, chloride), inorganic-organic composite (PAC and polyacrylamide), such as polyferric chloride, polyaluminum, polyaluminum Phosphorus, polymeric aluminum iron, and the like.
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