Treatment method and novel composite water purifying agent for purifying low-temperature and low-turbidity water
A technology for water purification and treatment methods, applied in chemical instruments and methods, multi-stage water/sewage treatment, adsorbed water/sewage treatment, etc. Layer, the effect of water purification promotion
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Embodiment 1
[0026] A treatment method for purifying raw water, comprising the following technical steps:
[0027] (1) Raw water is pumped from rivers or reservoirs to the water distribution well of the water purification plant for effective water distribution, and then enters the sedimentation tank for sedimentation treatment; at this stage, compound water purifiers are added to remove impurities with low temperature and low turbidity to ensure effective After the compound water purifier is added to the wastewater, mix it evenly and let it stand for 35-45 minutes. The dosage of the compound water purifier is 20-30mg / L water;
[0028] (2) The raw water after precipitation treatment enters the filtration stage to further reduce turbidity and pollutants;
[0029] (3) The subsequent raw water can be subjected to the advanced treatment stage of ozone activated carbon, in order to meet the 106 effluent water quality indicators of the drinking water hygiene standard GB 5749-2006;
[0030] (4) T...
Embodiment 2
[0039] The treatment method of this embodiment is the same as that of Example 1, and the novel composite water purifier used in this embodiment consists of the following components in parts by weight:
[0040] Yellow mud powder: 15, potassium permanganate: 0.8, aluminum ash: 8,
[0041] Zeolite powder: 8, sodium hypochlorite: 3, aluminum chloride: 7,
[0042] Magnesium Oxide: 13, Sodium Carbonate: 11, Calcium Oxide: 10,
[0043] Polyaluminum Ferric Chloride: 2, Activated Silicic Acid: 3.
[0044] In the above technical solution, the composite water purifying agent of the present invention can be used for low-temperature and low-turbidity water treatment, and the dosage is controlled at 20-30 mg / L.
[0045] The above-mentioned effluent from the sump after the reaction of the composite water purifying agent was taken to measure the turbidity, and the following results were obtained: the turbidity removal rate was greater than 80%.
Embodiment 3
[0047] The treatment method of this embodiment is the same as that of Example 1, and the novel composite water purifier used in this embodiment consists of the following components in parts by weight:
[0048] Yellow mud powder: 20, potassium permanganate: 1, aluminum ash: 10,
[0049] Zeolite Powder: 10, Sodium Hypochlorite: 5, Aluminum Chloride: 8,
[0050] Magnesium Oxide: 15, Sodium Carbonate: 12, Calcium Oxide: 15,
[0051] Polyaluminum Ferric Chloride: 3, Activated Silicic Acid: 5.
[0052] In the above technical solution, the composite water purifying agent of the present invention can be used for low-temperature and low-turbidity water treatment, and the dosage is controlled at 20-30 mg / L.
[0053] The effluent from the above-mentioned sump after being reacted by the composite water purifying agent was taken to measure the turbidity, and the following result was obtained: the turbidity removal rate was greater than 70%.
[0054] In the above examples, the preparatio...
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