Chemical Chinese name: polymerized ferric sulfate, solid polymerized ferric sulfate (referred to as solid polyiron or SPFS)
Molecular formula: [Fe2(OH)n(SO4)3-n/2]m (where n<2, m=f(n))
Technical specification code: BK-113-06
Hazardous ingredient: Ferric sulfate (polymer)
Ferric sulfate content: 20-21%
Main ingredient: pure
Appearance and properties: yellow or reddish brown amorphous powder or granular solid.
pH (10g/L aqueous solution): 2-3
Melting point (°C): 190 (253kPa)
Boiling point (ºC): No information available
Relative density (water=1): 2.44
Relative vapour density (air=1): No information available
Saturated vapor pressure (kPa): 0.13 (100°C)
Solubility: easily soluble in water, alcohol, slightly soluble in benzene. [1]
Compared with oth1. New, high-quality, high-efficiency iron salt inorganic polymer flocculant;
1. New, high-quality, high-efficiency iron salt inorganic polymer flocculant;
2. Excellent coagulation performance, dense alum flowers, and fast settling speed;
3. Removal of turbidity, decolorization, degreasing, dehydration, sterilization, deodorization, algae removal, removal of COD, BOD and heavy metal ions in water are remarkable;
4. The PH value of the water body is suitable for a wide range of 4-11, and the optimum PH value range is 6-9. The pH value and total alkalinity of the raw water after purification have small changes.
Less corrosive to processing equipment;
5. The purification treatment effect of micro-polluted, algae-containing, low-temperature and low-turbidity raw water is remarkable, and the purification effect of high-turbidity raw water is particularly good;
6. The dosage is small, the cost is low, and the processing cost can be saved by 20%-50%.
Industrial Wastewater Treatment
1. The treatment of printing and dyeing wastewater can replace the traditional coagulants of low molecular weight iron salts and aluminum salts. Compared with the traditional coagulants, the amount of coagulants is large, the coagulation efficiency is low, and the residues such as aluminum ions are easy to cause secondary pollution. The dosage is about 150ppm, the dosage is small, the removal rate of COD and chroma is high, and the optimal pH value condition is: 8.0.
2. Electroplating sewage treatment, can be used as coagulant and breaker. The complex is mainly copper-ammonia complex, which is stable in nature, pH=11, and is difficult to directly precipitate with alkali, polyaluminum and other coagulants. It can also be used for reuse of reclaimed water.
3. Papermaking wastewater treatment, instead of polyaluminum chloride, aluminum sulfate, etc., can be used as a coagulant, and can also be used for papermaking sludge dewatering. polymer), only polyaluminum chloride can be used.
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