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Poly ferric sulfate
Iron salt
Product Description
Molecular formula:[Al2(OH)nCl6-n]m
Nature:Polyaluminum chloride is a polyelectrolyte coagulant of polyvalent ions of inorganic polymers, which is an intermediate hydrolysis product between aluminum trichloride and aluminum hydroxide. Due to the bridging effect of oxychloride ions and the polymerization of multivalent ions, inorganic polymer water treatment agents with larger molecular weight and higher charge are generated.
Use:Urban water supply of river water, reservoir water, groundwater purification, industrial water purification, urban sewage treatment, sludge treatment, coal washing, paper sizing, cosmetics raw materials and catalytic carrier, printing and dyeing, leather, wine, meat processing, mining, oil refining and heavy metal industrial sewage treatment. Highly toxic heavy metals and fluoride wastewater treatment.
Packing:Solid; Polyethylene coated outer bag, lined with inner film double woven packaging, 25kg per bag
Storage and transportation:
Liquid: should be lightly loaded and unloaded to avoid packaging damage, not with harmful drugs co-transport, co-storage. Dry at room temperature, liquid product storage period of six months. Use in sealed canned vehicles or plastic containers.
Solid: should be lightly loaded and unloaded to avoid packaging damage, not with harmful drugs co-transport, co-storage.
Features:At room temperature, the chemical properties are stable, non-toxic and harmless, high safety of water purification, fast reaction, low dosage, fast and large formation of alum flowers, fast dense sedimentation, good filtration, can improve equipment utilization, low processing cost, and labor intensity Small. The applicable raw water has a wide range of PH value, which can be condensed in the range of PH value 4-12, and the best PH value is 6-8. The adaptability of water treatment is strong, suitable for the treatment of various water bodies, and the purification effect of high turbidity water is particularly obvious. Alkaline or other coagulant aids may not be added. It also solves the problem that other agents are not easy to deal with low turbidity water and low temperature water (below 4 degrees) with poor reaction and slow effect. Good water solubility, excessive delivery will not produce side effects, easy operation and management, and non-corrosive to water treatment equipment and pipelines.
Method of use:According to the different conditions of raw water, the general water purification dosage; solid 3-30PPm, liquid products 10-100ppm. Dosing according to the best dosage, and in use to observe the adjustment. If the alum flower in the sedimentation tank is small, the dosage is too small if the residual turbidity is large, and if the alum flower in the sedimentation tank is large and turned up, the dosage is too large if the residual turbidity is high, it should be adjusted appropriately.
Quality Standards
Polyaluminum Chloride for Drinking Water: GB15892-2009
Indicator Name | Indicators | |
Liquid | Solid | |
Mass fraction of alumina/% ≥ | 10 | 29 |
Base salinity/% | 40.0-90.0 | |
Density (20 degrees)/(G/ cm3)≥ | 1.12 | － |
Mass fraction of infusible substance/% ≤ | 0.2 | 0.6. |
PH plant (10g/LS water soluble) | 3.5－5.0 | |
Mass fraction of arsenic/% ≤ | 0.0002 | |
Mass fraction of lead/% ≤ | 0.001 | |
Mass fraction of cadmium/% ≤ | 0.0002 | |
Mass fraction of mercury/% ≤ | 0.00001 | |
Mass fraction of hexavalent chromium/% ≤ | 0.00005 | |
Note:The indexes of arsenic, lead, cadmium, mercury and hexavalent chromium impurities listed in the table are all calculated as 10% alumina, and when alumina is ≥ 10%, it shall be converted according to the actual content.
Calculate the proportion of 10% alumina products to calculate the impurity indicators.
Water treatment agent polyaluminium chloride: GB/T22627-2008
Indicator Name | Indicators | |
Liquid | Solid | |
Mass fraction of alumina/% ≥ | 6 | 28 |
Base salinity/% | 30－95 | |
Density (20 degrees)/(G/ cm3) ≥ | 1.1 | － |
Mass fraction of infusible substance/% ≤ | 0.5 | 1.5 |
PH value (10g/LS water soluble matter) | 3.5－5.0 | |
Mass fraction of iron/% ≤ | 2 | 5 |
Mass fraction of arsenic/% ≤ | 0.0005 | 0.0015 |
Mass fraction of lead/% ≤ | 0.002 | 0.006 |
Note:The mass fractions of insoluble substances, iron, arsenic and lead listed in the liquid products in the table all refer to the product content of alumina. When the alumina content is not equal to 10%, it shall be as follows
The actual content is converted into 10% alumina product ratio to calculate the corresponding mass fraction.
Reference dosage for water treatment
Turbidity of raw water (degree) | Dosage (ppm) | Turbidity of raw water (degree) | Dosage (ppm) |
50~300 | 2~4 | 300~500 | 4~6 |
500~1000 | 6~8 | 1000~3000 | 8~15 |
3000~5000 | 15~18 |
|
Guangxi Fenghua Group
Water purifier
Aluminum salt chemicals
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