Volcanic rock for sewage treatment, with  AWWA standard, F02 series

Volcanic rock (F02 series) other name: Pumice stone

Volcanic rock filter media(F02 series) advantage:

l       Volcanic rock makes and excellent biological and mechanical filter media

l       High pore volume

l       Ideal for biodegradablel, barrel and similar pond filters

l       Ideal for wet/dry and canister aquarium filters

Volcanic rock, pumice stone (F02 series) usage:

Sewage treatment          Biological deodorization filter

Constructed wetland        Biological filter

Volcanic rock filter media(F02 series): Meet AWWA standard

Volcanic rock filter media(F02 series) package: 25, 50, 1000 kgs woven bag

Volcanic rock filter media(F02) specs.:

Type	SiO2 content	CaO content	Specific gravity g/cm3	Porosity	Bulk sensity g/cm3	Insoluble In HCL max	Surface area,cm2/g min
Volcanic rock Filter media(F02)	50%-60%	5%-10%	2.2-2.5	40% min	0.72-0.80	2.0%	0.5*104
Particle size mm	3-5mm,3-6mm,4-6mm,5-10mm,8-16mm,10-20mm,16-32mm,20-40mm,30-50mm(Other specs. are available)