Domestic sewage phosphate removing agent
A technology of domestic sewage and phosphorus removal agent, which is applied in the field of water treatment, can solve the problems of high phosphorus content, difficult control of the amount of aluminum salt added, and the treatment effect cannot meet the direct discharge, etc., to achieve the effect of improving the effect of phosphorus removal
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Embodiment 1
[0015] A phosphorus removal agent for domestic sewage, comprising phosphorus removal agent A and phosphorus removal agent B,
[0016] The phosphorus removal agent A is made of the following components by weight: 6.25 parts of polyaluminum chloride, 5.42 parts of attapulgite, 2.15 parts of aluminum sulfate, and 2.36 parts of ferrous sulfate;
[0017] The phosphorus removal agent B is made of the following raw materials by weight: 1.85 parts of polyaluminum chloride, 6.4 parts of polyvinyl alcohol, and 2.15 parts of ferrous sulfate.
[0018] Described attapulgite is through modification treatment, and processing method is as follows:
[0019] (1) Air-dry the attapulgite sticks naturally, put them into an iron pan for frying, the frying temperature is 550-600°C, and the frying time is 10-12min;
[0020] (2), soak the attapulgite clay fried in step (1) with a hydrofluoric acid solution with a mass fraction of 10% for 2-3 hours, and then wash with water;
[0021] (3) Dry the atta...
Embodiment 2
[0024] A phosphorus removal agent for domestic sewage, comprising phosphorus removal agent A and phosphorus removal agent B,
[0025] The phosphorus removal agent A is made of the following components by weight: 6.25 parts of polyaluminum chloride, 5.42 parts of attapulgite, 2.15 parts of aluminum sulfate, and 2.36 parts of ferrous sulfate;
[0026] The phosphorus removal agent B is made of the following raw materials by weight: 1.85 parts of polyaluminum chloride, 6.4 parts of polyvinyl alcohol, and 2.15 parts of ferrous sulfate.
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