Poly Aluminium Chloride

Poly Aluminium ChloridePAC 18 (Poly Aluminium Chloride) is based on highly charged aluminium which results in lower dosage and therefore reduces sludge volume and pH adjustment demand. It also improves solids and/or phosphorous removal over conventional coagulants.

 

 

PolyAluminium Chloride is the product of the batch reaction between solid Aluminium Hydroxide (AL(OH)3) and liquid Hydrochloric acid (HCI). Aln(OH)mCl3n-m

 

 

BROAD OUTLINE OF MANUFACTURING PROCESS

Aluminium hydroxide is fed into the reactor containing sulphuric acid and hydrochloric acid.

The solution obtained is neutralised with calcium carbonate resulting in a mixture of PAC solution and gypsum crystals.

The gypsum crystals are filtered and separated from the slurry.

Gypsum thus obtained can be used for the purposes of gypsum boards, cement etc, after being washed with water.

8Al(OH)3+2H2SO4 + 10HCl + CaCO3 ——> Al8(OH)12(SO4) Cl10 + CO2 +

CaSO4.2H2O+11H2O

PAC 18%: mid-basicity liquid PAC, containing 17,5 ± 0,5% Al2O3, specific for wastewaters and neutral sizing in papermaking. It is used as a primary coagulant aid for any clarifying/flocculation process relating to the treatment of surface or underground water and urban or industrial effluents.


Products

Product Benefits

  • Superior quality polyaluminium chloride (PAC)
  • Highly efficient coagulant
  • Low generation of waste sludge
  • Versatile- It can be used in a wide range of applications

 

 

 

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GPC Clear Solutions will conduct laboratory testing and onsite trials with our extensive range of silicone and non-silicone based antifoams to make sure we select the correct antifoam product for your operation. For more information on our products or to improve plant performance, fill in our enquiry form.

 

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