Garnet




Garnet is used in the treatment of potable water, sewage and industrial effluents. It is installed as a layer beneath the sand or sand / pumice in dual or multi-media filtration systems. The filtration garnet is used to assist in filtering out fine particles which may not be retained by the sand and in dual filtration systems is usually supported on a layer of coarse support garnet.

Technical Data Sheet

1. Product Name / Reference

Garnet

2. Main Intended Use

Water filtration media

3. Chemical Description

Compound Element Chemical Formula Typical Content
Silicon Dioxide  SiO2  38.20%
Iron Oxide  Fe2O3  32.40%
Aluminium Oxide  Al2O3  21.30%
Magnesium Oxide  MgO  7.79%
Calcium Oxide  CaO  1.06%
Titanium Dioxide  TiO2  0.12%

Determined by FAAS

4. Physical Properties

a. Bulk Density 2.25 – 2.38 g/cm3
b. Specific Gravity 3.98 – 4.10 g/cm3
c. Solubility in HCL 2% maximum
d. Attrition Loss 1% maximum
e. Hardness 7 – 8 Mohs

5. Sizes Available

Grade Size
Fine Garnet 0.3 – 0.6 mm
Medium Garnet 0.6 – 1.4 mm
Coarse Garnet 1.4 – 2.36 mm

6. Packaging

Packed in 25kg sacks and 1000kg IBC big bags.

Water Filtration Yes
Odour Control Yes
Green Roof Systems No
Cosmetics Scrubs Yes
Dental Treatments Yes
PCB Scrubbing No
Glass Treatments Yes
Metal Finishing Yes
Lightweight Precast Concrete No
Odour Treatment No
Seawater Reverse Osmosis Yes
Automotive Polish No
Effluent Treatment Yes
Horticulture Yes
Construction No
Hand Cleaner Yes
Paints & Coatings Yes
Lightweight Plasters Yes

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