... 4. Volatile matter: 6% Gongyi Fuyuan Water Purification Materials Co.,LtdThe detailed description of Anthracite coal Anthracite ... is also used as water treatment filter. Such as, water treatment of services, drinks, minera water, purified water, wine industry, power ... industry, chemicals, papermaking, pharmacy, swimming pool, waste water.Advantages1) High mechanical strength, broken rate and wear rate ...