Polyaluminium Chloride


Polyaluminium chloride(aluminium chlorohydrate) also simply called PAC, is used in deodorants and as a coagulant in water purification. This compound is preferred in some cases because of its high charge, which makes it more effective at destabilizing and removing suspended materials than other aluminium salts.
CAS No.: 1327-41-9

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  1. MSDS of Polyaluminium Chloride(PAC)
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PAC Feathures

  1. Using PAC as flocculant, the speed of flocs forming and settling is quick. Flocs formed is easy to filter
  2. Comparing to aluminium sulfate flocculant, the quality of water treated with PAC is better; the total cost reduced by 15%~30%, and the solubility is better.
  3. It can be applied to water with broad pH range. The floc function valid in water of pH 5 to pH 9
  4. Comparing to inorganic flocculants, PAC is suitable for water of broad temperature, and is functional in low temperature water. It reduces less basicity less, so less or no basifier needed.
  5. There is fewer salts in water treated with PAC, this is good for high purity water purifying and ion-exchange treatment
  6. The corrosivity of PAC is lower, easy to transfer, handle and operate.

PAC Applications

  1. Drinking water and sanitary sewage.
  2. Industrial water, industrial waste water, mine and water for oilfield injection, chemical waste water in industry of paper-making, metallurgy, washed coal and leather.
  3. Industry and makes waste water recyclable: paper-making glue, printing and dying, concrete hardener, precision casting hardener, glycerine refinement, crease-resistant for fabric, medicine, cosmetics and etc.
  4. Oil-water separation and has good effects in the oil refining industry.
PAC for IndustryPAC For Drinking Water IPAC For Drinking Water IIPAC High Pure Grade

PAC For Industry

PropertiesGuarantee ValueTypical Value
Alumina (Al2O3) Content %≥2930.15
Basicity %40-9083.9
Water Insoluble %≤1.50.3
PH Value (1% Solution)3.5-5.03.8
DescriptionYellow Powder
Quality Standard: GB/T22627-2008
Package: 25KG/Bag

PAC for Drinking Water – Grade I

PropertiesGuarantee ValueTypical Value
Alumina (Al2O3) Content %≥2930.35
Basicity %40-9080.65
Water Insoluble %≤0.60.2
PH Value (1% Solution)3.5-5.04.0
As %≤0.00020.0002
Pb %≤0.0010.001
Cd %≤0.00010.0001
Hg %≤0.000010.00001
Cr+6 %≤0.00050.0004
DescriptionLight Yellow Powder
Quality Standard: GB15892-2009
Package: 25KG/Bag

PAC for Drinking Water – Grade II

PropertiesGuarantee ValueTypical Value
Alumina (Al2O3) Content %≥2930.15
Basicity %40-9081.9
Water Insoluble %≤1.50.2
PH Value (1% Solution)3.5-5.04.0
DESCRIPTIONYellow Powder
Quality Standard: GB15892-2009
Package: 25KG/Bag

PAC High Pure Grade

PropertiesGuarantee ValueTypical Value
Alumina (Al2O3) %≥2930.05
Basicity %40-9050.66
Water Insoluble %≤0.60.1
PH Value (1% Solution)3.5-5.04.0
As %≤0.00020.000056
Pb %≤0.0010.00058
Cd %≤0.00020.0000037
Hg %≤0.000010.0000005
Cr+6 %≤0.00050.00009
Description %White Powder
Quality Standard: GB15892-2009
Package: 25KG/Bag