Celatom® FW-12 is made from diatomaceous earth and functions as a filter aid with applications in biodiesel purification, dewatering, fat and grease removal, industrial water treatment, oil and sludge treatment, and suspended solids removal. It features BOD reduction, flow resistance, high strength, a large surface area, and a large pore volume, offering non-explosive, non-flammable, and odor-free benefits for various filtration needs.

Chemical Family: Diatomaceous Earth

Applicable Processes: Biodiesel Purification, Dewatering, Fat Removal, Grease Removal, Industrial Water Treatment, Oil Removal, Sludge Treatment, Suspended Solids Removal, Wastewater Treatment

Features: BOD Reduction, Flow Resistance, High Strength, High Surface Area, Large Pore Volume

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses


Physical Form
Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Sieve Analysis (150 Mesh (> 105 microns))6.6%Tyler
Median Particle Diameter24µm-
pH (at 10% Slurry)9.5--
Free Moisture (as H₂O)max. 0.5%-
Density (Wet Bulk)336g/l-
Density (Dry Bulk)224g/l-
Permeability846mDVEL permeameter
Specific Gravity2.33--
Chemical Analysis
ValueUnitsTest Method / Conditions
Silicon Dioxide89%-
Aluminum Oxide4.1%-
Iron(III) Oxide1.5%-
Calcium Oxide0.6%-
Magnesium Oxide0.3%-
Titanium Dioxide0.2%-
Sodium Oxide4%-
Diphosphorus Pentoxide0.02%-
Manganese(II) Oxidemax. 0.01%-
Potassium Oxide0.2%-
Chromium(III) Oxidemax. 0.01%-
Loss on Ignition0.1%-

Regulatory & Compliance

Packaging & Availability

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