[Sell]
»Beijing KaiBiYuan-Selling volc
2010-03-29 02:12:52
Volanic poriness：the inside and outside average poriness is about 40%, the resistance to water is very small, comparing with the same kind filter, it costs less, but can reach the expected filtering purpose. 2、The specific surface area: the specific surface area is large, the opening holes are many and inertia, so it is suitable for microorganism to touch and form film, keeping large quantity of microorganisms, so it is favorable for the transference of the oxide and nutrition, and waste during the metabolism. The filter shape and water flow regim: Since volcanic biological filter is gr...
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[Sell]
»Beijing KaiBiYuan:Sell coconut
2010-03-29 02:10:26
It can be assorted to the following varieties according to the usages:
1、To purify water.
2、To purify gas, oil gas and to remove stink from the oil gases, as a catalyst
Analysis itmes Index Analysis items Index
Granular diameter 0.4－3mm Heap specific weight 0.35－0.55 g/cm3
I value 800－1100mg/g Hardness ≥90%
Methylene blue absorption value 120－150mg/g Total hole volume 0.8－1cm3/g
Phenolabsorption ≥450mg/g Ash ≤8%
Color removal of Methylene blue ≥11ml Water ≤5%
Specific surface area 900－1300m2/g
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