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What chemicals do different types of polyaluminum chloride need to be matched with?

2025-02-25

Polyaluminum chloride is a commonly used water purification agent in sewage treatment. In many cases, polyaluminum chloride needs to be used together with other water purification agents. Today, Zhengzhou Xinhuan Company will take you to learn about it. Polyacrylamide is generally used together with coagulant in sewage treatment. Although it is a little troublesome, it saves costs. Some sand washing plants and coal washing plants use polyacrylamide alone. Generally, the amount of sewage to be treated in sand washing plants is large, and the reaction interval between the two chemicals is too long. Therefore, the selection of products for customers should be based on their production technology and site conditions. In the sewage treatment industry, the agents that can be used together with polyacrylamide include: polyaluminum chloride, polyaluminum ferric chloride, basic aluminum chloride, polymeric ferric sulfate, ferrous sulfate, sodium hydroxide, calcium hydroxide, calcium chloride, aluminum sulfate, polymeric aluminum sulfate and other agents. According to many years’ practical experience, Xinhuan Company has summarized the reagents that are often used in combination with polyacrylamide for various kinds of sewage, which you can refer to when selecting the type:

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1. The sewage treatment in coal preparation plant mainly uses polyaluminum chloride in combination with anionic polyacrylamide, but other types of chemicals have poor treatment effect and high cost; 2. Wastewater treatment in printing and dyeing factory, which is mainly treated with ferrous sulfate, polyaluminum chloride and cationic polyacrylamide, not only has good flocculation and sedimentation, but also has ideal decoloration effect; 3. In the sewage treatment of ceramic factory, polyaluminum chloride and anionic polyacrylamide are mainly used together. You will also choose ferrous sulfate+anionic polyacrylamide, basic aluminum chloride+anionic polyacrylamide, and sometimes cationic polyacrylamide will be used; 4. In the treatment of domestic sewage, polyaluminum chloride or polyferric sulfate will be used in combination with anionic polyacrylamide; 5. In the mechanical processing wastewater, calcium chloride will be selected for demulsification first, and then polyaluminum chloride and anionic polyacrylamide will be selected for treatment, with better effect; 6. In the wastewater treatment of sand washing plant, polyaluminum chloride and anionic polyacrylamide will be used together; 7. In the treatment of oilfield wastewater, ferrous sulfate, polyaluminum chloride and anionic polyacrylamide will be used together; 8, woven bag cleaning wastewater, aluminum sulfate and anionic polyacrylamide will be used together; 9, pharmaceutical wastewater treatment, ferrous sulfate and cationic polyacrylamide will be selected to cooperate; 10, wool washing wastewater treatment, will choose to use polymeric ferric sulfate and cationic polyacrylamide; 11. In mineral processing wastewater, polyaluminum chloride and nonionic polyacrylamide will be used together; 12. In the treatment of food wastewater, polyaluminum chloride and cationic polyacrylamide will be used together; 13. In the treatment of starch wastewater, lime, polyaluminum chloride and anionic polyacrylamide will be used together. Polyaluminum chloride can be used alone or in combination with other water purification agents, which depends on the types and types of sewage. If the composition of sewage is complex, it needs to be used together with other water purification agents, so that the water purification effect will be better.

1. The sewage treatment in coal preparation plant mainly uses polyaluminum chloride in combination with anionic polyacrylamide, but other types of chemicals have poor treatment effect and high cost; 2. Wastewater treatment in printing and dyeing factory, which is mainly treated with ferrous sulfate, polyaluminum chloride and cationic polyacrylamide, not only has good flocculation and sedimentation, but also has ideal decoloration effect; 3. In the sewage treatment of ceramic factory, polyaluminum chloride and anionic polyacrylamide are mainly used together. You will also choose ferrous sulfate+anionic polyacrylamide, basic aluminum chloride+anionic polyacrylamide, and sometimes cationic polyacrylamide will be used; 4. In the treatment of domestic sewage, polyaluminum chloride or polyferric sulfate will be used in combination with anionic polyacrylamide; 5. In the mechanical processing wastewater, calcium chloride will be selected for demulsification first, and then polyaluminum chloride and anionic polyacrylamide will be selected for treatment, with better effect; 6. In the wastewater treatment of sand washing plant, polyaluminum chloride and anionic polyacrylamide will be used together; 7. In the treatment of oilfield wastewater, ferrous sulfate, polyaluminum chloride and anionic polyacrylamide will be used together; 8, woven bag cleaning wastewater, aluminum sulfate and anionic polyacrylamide will be used together; 9, pharmaceutical wastewater treatment, ferrous sulfate and cationic polyacrylamide will be selected to cooperate; 10, wool washing wastewater treatment, will choose to use polymeric ferric sulfate and cationic polyacrylamide; 11. In mineral processing wastewater, polyaluminum chloride and nonionic polyacrylamide will be used together; 12. In the treatment of food wastewater, polyaluminum chloride and cationic polyacrylamide will be used together; 13. In the treatment of starch wastewater, lime, polyaluminum chloride and anionic polyacrylamide will be used together. Polyaluminum chloride can be used alone or in combination with other water purification agents, which depends on the types and types of sewage. If the composition of sewage is complex, it needs to be used together with other water purification agents, so that the water purification effect will be better.

The main products of flocculant manufacturer Xinhuan Water Treatment are:    

White polyaluminium chloride (food grade), drinking grade polyaluminium chloride, industrial grade polyaluminium chloride, anionic polyacrylamide, cationic polyacrylamide, nonionic polyacrylamide, petroleum recycling polyacrylamide, oil recovery polyacrylamide, polyacrylamide, polymer flocculant polymer flocculation coagulant, polymeric ferrous sulphate, polymerized iron and aluminium chloride, and other water treatment chemicals. Welcome customers to write to us to negotiate business!

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