Products Description
Iron free aluminum sulfate
Molecular formula: AL2 (SO4)3 xH2O
Relative molecular weight: 342.15
Properties: The industrial product is in the form of white flakes, granules or blocks, with a light green color due to the low-valent iron salt (FeSO4), and the surface of the product is yellow due to the oxidation of the low-valent iron salt. The solid product of water treatment agent is white, light green or light yellow flakes or blocks. The liquid product is colorless and transparent to pale green or pale yellow.
Low iron aluminum sulfate
Uses: Mainly used for water purification and papermaking. In papermaking, it is used as auxiliary agent, colorant, defoamer, etc. to increase paper hardness; water purification is used as flocculant for urban water and wastewater treatment; printing and dyeing industry is used as mordant and printing anti-bleeding agent; oil industry is used as clarifying agent ; Used as deodorant and decolorizer in petroleum industry; used as preservative in wood industry; used as astringent in medicine; used in fire fighting to make foam fire extinguishing agent with baking soda and foaming agent; used in pigment industry to produce chrome yellow and as precipitation agent; food industry as curing agent, etc.
Packaging: Polyethylene plastic woven packaging, 50kg per bag.
Storage and Transportation: Store in a cool, dry and clean warehouse, and should be protected from moisture. Do not store and transport together with toxic substances or alkaline substances.
Powdered aluminum sulfate
Product technical standards:
Standard number for drinking water treatment: HG2227-2004
project name | Standard indicator | Test results |
AL2O3 | ≥15.6% | 15.9% |
Fe | ≤0.5% | 0.20% |
PH value | ≥3.0 | 3.10 |
Water insoluble matter | ≤0.15% | 0.08% |
As | ≤0.0004% | 0.0002% |
Pb | ≤0.001% | 0.0006% |
Hg | ≤0.00002% | 0.000008% |
Cr(VI) | ≤0.001 | ≤0.0003% |
Cd | ≤0.0002% | 0.00008% |
Standard number for industrial water treatment: HG/T2225-2010
project name | Standard indicator | Test results |
AL2O3 | ≥15.6% |
Calcium chloride (granular, flake, spherical, powder): Physical properties: white, spherical (molecular formula cacl2.2ah2o), bitter and astringent, easy to absorb moisture and deliquescence; It is easily soluble in water, and its aqueous solution is neutral or slightly alkaline, with exothermic dissolution; The freezing point of the solution is low. Physical and chemical indexes: calcium chloride CaCl2 ≥ 74%, calcium chloride CaCl2 ≥ 94% Sodium chloride NaCl ≤ 3% Particle size: 1-5mm, 2-3mm (flake, powder, granular, spherical) Hardness ≥ 75 n Usage: calcium chloride is used for ice melting and snow melting; It can also be used as desiccant and freezing medium, antifreeze, automobile antifreeze, etc; It is the raw material for manufacturing anhydrous calcium chloride; It is used in wall painting and plastering to increase the setting capacity. Features: less dust and good fluidity. As a snow melting agent, it has little harm to the environment and is safer for human beings. Product packaging: 25kg / 50kg inner plastic outer woven film packaging, which can be packaged in 25kg small PE heat sealing bag, or in 500kg, 1000kg and other large packaging. Storage: store in a ventilated and dry place. Seal before and after use to prevent deliquescence. |
Appearance | yellow solid powder | |
Content | ≥99% | |
PH value | ≤3-3.5 |
![\"Calcium](\"/upfile/202204/2022041765043869.png\" "\\"Calcium")
3. Relation table between dosage and removal rate
Dosage | 600 | 700 | 800 | 900 | 1000 |
Remaining Amount | 0.46 | 0.34 | 0.28 | 0.16 | 0.10 |
Removal rate% | 97.7 | 98.3 | 98.6 | 99.2 | 99.5 |
Summary: Combined with the effluent pH value standard, 750ppm is the best choice. Not only does the phosphorus drop below the standard, but pH 7.5-8.5 is also within the standard range. There is no need to use acid to adjust, and the effluent is clear and transparent.
4. How to use
Dosing method: it can be added as a 10% solution, or it can be added directly;
On-site use: it can be added in the reaction pool process according to the existing treatment process;
Conditions of use: PH value range is 8-8.5.
5. Precautions
Take protective measures for manual dosing: wear masks, gloves
25KG/bag, kraft paper packaging
Store in a cool, dry, ventilated place, not together with other chemicals
Fe
≤0.5%
0.23%
PH value
≥3.0
3.10
Water insoluble matter
≤0.20%
0.10%
Iron-free aluminum sulfate index HG/T2225-2010
project name | Standard indicator | Test results |
AL2O3 | ≥15.8% | 16.20% |
Fe | ≤0.005% | 0.003% |
PH value | ≥3.0 | 3.10 |
Water insoluble matter | ≤0.15% | 0.05% |