Polyaluminum chloride is one of the most common water purification agents at present, which has the characteristics of large amount of use and good market. With the development of polyaluminum chloride, there are more and more manufacturers of polyaluminum chloride. When using different production processes to produce polyaluminum chloride, there will inevitably be corresponding production waste residue. How to deal with these waste residue?
The manufacturers of polyaluminum chloride will know the waste residue produced in the production of polyaluminum chloride, because it is a kind of viscous and gelatinous weak acid material, containing a lot of water, no matter it is piled up or landfilled, it will cause great pollution to the environment. As a manufacturer of water purification materials, this kind of waste residue must not be disposed at will, but must be treated specially to achieve reuse. Generally, there are two ways to treat the waste residue of polyaluminum chloride. One can replace part of clay and be used as building materials to make ordinary bricks. The other can be used as an additive for refining petroleum products. After a lot of practice, adding the corresponding quicklime to the waste residue of polyaluminum chloride production can transform the slurry colloid into neutral, non-toxic and pollution-free waste residue.
The waste residue of polyaluminum chloride production must not be discharged without treatment. As a manufacturer of water purification agent, proper treatment of waste residue can not only protect the environment, but also produce certain economic benefits in the secondary utilization.
In fact, coagulant and flocculant no substantial difference, but the general practice of inorganic called coagulant, the organic called flocculant.
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Polyaluminum chloride aqueous solution pH is about 3-5, acidic, so adapted to the raw water pH in the 6-9 more appropriate
Poly aluminum chloride dissolved in water-soluble aluminum hydroxide colloid to reduce the amount of PH value of the solution can be too PAC-like quality itself
After adding aluminum chloride in phosphorus-containing wastewater, so as to achieve the removal of phosphate ions in wastewater. Polyaluminum chloride coagulat