Anthracite
Anthracite (dried gross coal) efficiency is as mediator between Silicon and active carbon to use for water purification and Waste Water Treatment. It’s worth to say that silicon is a gross mineral and active carbon of processed herbal product and anthracite is a mineral that extracts from ground and mines and after grinding, milling and sometimes after washing is packaging and using. Anthracite is able to remove water turbidity and it can delete or decrease the rate of iron, manganese, free chlorine, chromium and Heavy metals, organic compounds (phenol and…) and fat and oil. Proposed Anthracites produced by silicon Persian Company had characteristics of AWWA B100-01 standard and ANSI / NSF standard that included following features:
1- Homogenous grading
2- Purity
3- Hardness specific gravity