PFS(polymerization Ferrous Sulfate), light yellow powder or deep red liquid, is a kind of inorganic high polymer flocculating agent, which features are high density of alumen ustum, high speed of precipitation, high rate of pollution removal and low amount of sewage sludge, and etc.
The product is in great demand on all kinds of municipal sewage treatment and industrial wastewater treatment, which includes electronics, papermaking, dyeing, electroplating, meat packing plant, food processing, smelting, etc. As to the industry of electronics and electroplating, it displays high removal rate of COD and high speed of precipitation.
According to the usage, there are two classification: One is for drinking water treatment grade, another is for industrial water, waste water and sewage treatment grade.
Red brown sticky and transparent liquid; Light yellow unformed solid.
Item | Index | |||
Drinking water grade | Waste water grade | |||
Liquid | Solid | Liquid | Solid | |
Relative density g/cm3 (20℃)≥ | 1.45 | - | 1.45 | - |
Total iron %≥ | 11.0 | 19.0 | 11.0 | 19.0 |
Reducing substances (Fe2+)% ≤ | 0.10 | 0.15 | 0.10 | 0.15 |
Basicity | 8.0-16.0 | 8.0-16.0 | 8.0-16.0 | 8.0-16.0 |
Undissolved substance )% ≤ | 0.3 | 0.5 | 0.3 | 0.5 |
iuml;¼ˆ1% water solution） | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 |
Cd % ≤ | 0.0001 | 0.0002 | - | - |
Hg % ≤ | 0.000 01 | 0.000 01 | - | - |
Cr % ≤ | 0.000 5 | 0.000 5 | - | - |
Add suitable amount of PFS to wastewater and then stir evenly. The amount of PFS is proportional to the polluting extent of wastewater, commonly 15-50 kilograms dosage to one thousand ton wastewater. 7-10 of value for water is available. To adjust value of water, one way is to add some alkali. Before using PFS, adjust the value to 7-10 would be better.
Solid form: To put it in the canvas bag with nonylene bags. Net Weight: 25 kg/bag. Guarantee period: one year.Liquid form: Transported by tank vehicle or general truck loading by means of plastic barrels. Therefore, corrosion resistant container is a must. Guarantee period : six months.
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