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Drink water grade Polyaluminum Chloride (PAC)
Product name: Polyaluminum Chloride (PAC) Application: Water treatment, potable grade CAS No.: 1327-41-9 PAC is a new-type inorganic macromolecule coagulant with high efficiency, manufactured by advanced process with raw materials of best quality. It is spray dried in solid form widely used for municipal drinking treatment, paper, cosmetics applications and other waters with high requirements. PAC is iron-free, low basicity polyaluminum chloride particularly suitable and effective in its performance for high alkalinity waters. It is often the most suitable coagulant in direct filtration plants. The small coagulant dose reduces the amount of sludge. Properties: The water treatment cost is 20%-40% lower than that of other inorganic flocculants. It can lead to quick formation of flock with big size and rapid precipitation. It has wide-range adaptability to the waters at different temperatures with good solubility. Its high purity enables less of it to do more with extremely good quality water production. Application & Notes: Before dosing the solid product shall be diluted to 5-15% Al2O3 liquid. The dosage of the liquid product is 1-100ppm depending on the raw water quality. The specific dosage is based on the flocculation test and site trial. The product can not be stored with other chemicals. The solid product is packed in inner plastic bags and further in polypropylene woven bags, with each bag containing 25 Kg. The shelf life is 6 months for diluted liquid product and 12 months for the solid product. The product should be stored in a dry and ventilated place, but the effect will not be affected even if it gets wet. Specifications
| Index | Specification |
| Appearance | white milk powder or orange solid |
| Al 2 O 3 | 28-31 % |
| Basicity | 40-60 % |
| Insoluble substance | ≤ 0.5 % |
| pH(1% water solution) | 3.5 -5.0 |
| Fe 3+ %, | ≤ 0.02 |
| SO 4 2- % | ≤ 2.0 |
| N % | ≤ 0.01 |
| Arsenic (As) | ≤ 0.0002% |
| Mn % | ≤ 0.045 |
| Lead (Pb) | ≤ 0.001% |
| Cadmium (Cd) | ≤ 0.0002% |
| Mercury (Hg) | ≤ 0.00001% |
| Chromium (Cr 6+) | ≤ 0.0005% |
30% Poly Aluminium Chloride (PAC) drinking water