Aqua-Techniek B.V.
Nijverheidsweg 15a
3225 LL Hellevoetsluis
The Netherlands

Aqua-juraperle TWA / Limestone, Calcium carbonate, Marble

Aqua-juraperle TWA is a granular filter medium with a purity of 99,1 % calcium carbonate. Because of its micro-crystalline structure, it is superior to ordinary limestone. Aqua-juraperle TWA keeps its activity for pH-adjustment even after removal of high concentrations of iron and manganese.

Applications

Aqua- juraperle TWA is commonly used for:

  • CO2-removal and remineralisation of soft water,
  • remineralisation of distillate and/or R.O.-water,
  • removal of iron and manganese as well as aluminium.

Chemical analysis

Average
figures
EN 1018
Type 1
CaCO3mass-%99.1> 98
SiO2 + Al2O3mass-%0.34-
Fe2O3mass-%0.04-

Trace elements

   
Arsenic (As)mg/kg< 0.5 3
Cadmium (Cd)mg/kg< 0.5 2
Chromium (Cr)mg/kg< 2 10
Mercury (Hg)mg/kg< 0.01 0.5
Lead (Pb)mg/kg< 0.5 10
Selenium (Se)mg/kg< 0.5 3
Antimony (Sb)mg/kg< 0.53

 Physical characteristics

 Average
figures
 EN 1018
Type 1
Densityg/cm32.72.71
Bulk densitykg/m315001000 - 1500
Shape broken, irregular
Sizes available 0.5  - 1.2 mm, 1.0 - 2.0 mm, 2.0 - 3.0 mm, 3.0 - 4.0 mm, 4.0 - 6.0 mm.

Packaging

  • 25 kg plastic bags, palletised, shrink-foiled,
  • Big bags,
  • Bulk-carriers.
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