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Solid polyferric sulfate

2022-04-13 14:53:45
Times
Solid polyferric sulfate
introduction:

SPFS is a light yellow amorphous powdery solid, which is very soluble in water. 10% (by weight) of aqueous solution is a reddish brown transparent solution with hygroscopicity. Polyferric sulfate is widely used in the purification of drinking water, industrial water, various industrial wastewater, urban sewage, sludge dewatering and so on.

Polyferric sulfate has excellent water purification performance, so it is favored by the water treatment industry. It has been widely used in various industrial wastewater and urban sewage treatment. It can effectively remove suspended solids, organic matter, sulfide, nitrite, colloid and metal ions in water. The effluent of the sewage treatment equipment has more corrosive effect on ferrous sulfate than that of the sewage treatment equipment [2].

1. The product is non-toxic, harmless, safe and reliable. According to the provisions of China's food safety toxicological evaluation procedure, the toxicity test of the product polyferric sulfate (SPFS or PFS) is carried out, that is, the acute LD50 test results are non-toxic products; The cumulative toxicity test, subacute toxicity test, micronucleus test and teratogenic test showed negative results, which confirmed that the product (PFS) was non-toxic, and the raw material ferrous sulfate used in the production met the requirements of the national standard gb10531-89 for drinking water.

2. Aqueous phase transfer without iron ions and iron residues. The iron content of the water before filtration is 0.28mg/l (the iron content in the national hygienic code for drinking water is 0.3mg/l), and the iron content of the filtered effluent is less than 0.05mg/l; And the filtered water is colorless.

3. In the coagulation process of purifying drinking water, the product shows: fast coagulation speed, coarse alum formation, rapid sedimentation and low effluent turbidity; If the average turbidity of raw water is 33 NTU, (the average water temperature is 18.7 ℃), the average dosage of PFS is 37.5 mg / L, and the average turbidity of water to be filtered is 0.97 NTU; The average turbidity of the filtered water is 0.085ntu (in contrast, when aluminum sulfate is added for parallel test, the average turbidity of the water to be filtered is 1.1ntu; the average turbidity of the filtered water is 0.29ntu).

Application characteristics: compared with other inorganic flocculants, it has the following characteristics:

1. New, high-quality and high-efficiency iron salt inorganic polymer flocculant;

2. Excellent coagulation performance, dense alum and fast settlement speed;

3. Excellent water purification effect, good water quality, no harmful substances such as aluminum, chlorine and heavy metal ions, no water phase transfer of iron ions, non-toxic,

Harmless, safe and reliable;

4. Significant effects of turbidity removal, decolorization, deoiling, dehydration, sterilization, deodorization, algae removal, COD, BOD and heavy metal ions in water;

5. Adapt to the wide range of pH value of water body, 4-11, and the optimal range of pH value is 6-9. The variation range of pH value and total alkalinity of raw water after purification is small,

Less corrosive to treatment equipment;

6. The purification effect of micro polluted, algae containing, low temperature and low turbidity raw water is remarkable, especially for high turbidity raw water;

7. The dosage is small, the cost is low, and the treatment cost can be saved by 20% - 50%.


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contacts:Mr.SHI

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