coal-based activated carbon for water purification used for dechlorination, deoiling of industrial water and futher pufifing treament of potable water and sewage water Moisture content:≤5.0% Hardness:≥90% Apprently density:350-550g/L Lodine value:800-1100mg/g Mrthyl bilue:≥150mg/g Ash content:5-18% particle size:0.045-4.75mm it could be provided according to the customer's special demands