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Vegetable Oil and Motor Oil Adsorption/Absorption Capacity Analysis by Weight
Tests were performed on Adsorb-it sorbent media to determine its capacity to sorb oils.

Method

The tests were performed using guidelines described in ASTM Method F726-81, “Sorbent Performance of Adsorbents”. This test method measures the maximum adsorption of oils and floating immiscible liquids. The materials tested were representative samples of Adsorb-it bulk material. The oils used were 30W motor oil and a liquid vegetable oil. Three replicates were performed for each type of oil.

Results

Vegetable Oil

Adsorb-it
Bulk Material

Adsorb-it
weight in grams
Sorbed Oil
weight in grams
Adsorb-it
Ratio to Sorbed Oil
Replicate #1
3.71
59.65
16.1x
Replicate #2
3.45
59.25
17.2x
Replicate #3
4.03
71.53
17.7x
Motor Oil - 30W

Adsorb-it
Bulk Material

Adsorb-it
weight in grams
Sorbed Oil
weight in grams
Adsorb-it
Ratio to Sorbed Oil
Replicate #1
3.44
70.17
20.4x
Replicate #2
3.30
72.33
21.9x
Replicate #3
3.46
69.10
20.0x
Conclusions
The bulk Adsorb-it material adsorbed 17 times its weight in vegetable oil and 20 times its weight in motor oil.
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updated 11/14/2007 Copyright © 2002-2007 Eco-Tec, Inc. all rights reserved