Sewage treatment flocculating agent and using method thereof
A technology for sewage treatment and flocculant, which is applied in the direction of flocculation/sedimentation water/sewage treatment, etc., can solve the problems of complicated synthesis and preparation procedures, unsatisfactory treatment effect, large amount of sludge, etc., and achieves simple preparation process and great popularization and application value. , The effect of producing less sludge
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[0023] The present invention provides a sewage treatment flocculant. In order to make the purpose, technical solution and advantages of the present invention clearer and clearer, the present invention will be further described in detail with reference to the examples below.
[0024] The basic principle of the sewage treatment flocculant provided by the embodiment of the present invention is: in the high-concentration refractory organic wastewater, the concentration of COD is high, and the components of metal ions such as Cu and Fe are complex, and the alkali solution with a pH range of 8-9 is added [ Oh - ], the [Fe in wastewater 3+ ] and other metal ions and [OH - ] combined to produce a large amount of [Fe 2 (OH) 4 〕 2+ , [Fe 3 (OH) 6 〕 3+ , [Fe 8 (OH) 20 〕 4+ The multinuclear complex iron ions formed with hydroxyl bridges can electrically neutralize the colloidal particles suspended in water, lower the potential, and promote the flocculation and precipitation of i...
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