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1、VolcanicrockmediVolcanicrockmedi?Thesurfaceisroughandhasmanymicroholes,thesecharacteristicsaresuitableforthemicrobiologicalanimalstogrowandbreed,whichcanbeshapedintoafilm.Owingtothevolcanicfilter,thevolcanicfilterpondcouldnotonlytreatthecivilcontaminatedwater,butalsobiologicalindustrialwastewate
2、r,livingdrainagewaterandlightlycontaminatedwater.?Inthewatertreatment,itcanalsoreplacequartzsand,activatedcarbon,anthraciteandsoonwhichcanbeusedasfiltermedium.Meantime,itcandothedeeptreatmentforthebehindwaterwhichhasbeentreatedonsecondlevelbythewastewatertreatingfactory.Ifthetreatedwaterexceedst
3、othereusedwater’sstandard,thenitcanbereusedasmiddlewater.?ProductDescriptionVolcanicrockfiltermedia,FiltermediainwatertreatmentVolcanicrockfiltermediaadvantage:VolcanicrockmakesandexcellentbiologicalandmechanicalfiltermediaHighporesIdealforbiofall,barrelandsimilarpondfiltersIdealforwet/dryandcan
4、isteraquariumfilterAverageParametersofPhysicalPerformanceTestforVolcanicfilterPerformanceUnitTestResultPerformanceUnitTestResultBulkdensityKg/m3740BETm2/g13.6-25.5Specificdensity?1:1.29CompressivestrengthMpa5.78Moisture%0.9-1.0ShearstrengthMpa3.98Porosity%73-82Frictionlossrate%＜1Organicmatterrem
5、oval%Above80StarttimeforhangingfilmHour27CODremoval%Above85Hydrochloricacidsolublerate%＜1.0BODremoval%75-93Strippingmaterial?Containingbeneficialmicro-mineralsandtraceelementsAmmonia,nitrogenremoval%Above85AppearanceFullparticles,similartotheglobular?MainChemicalCompositionofVolcanicfiltermediaC
6、hemicalcompositionSiO2CaOMgOFe2O3Al2O3Content%43.279.861.4911.8614.71
