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Industrial water treatment activated carbon: precise adsorption, cost controllable Iodine adsorption value ≥900mg/g (removal of pesticides/antibiotics) Ash content ≤3% (drinking water grade safety) Particle size 8-30 mesh (pressure drop <500Pa/m) Case: A petrochemical wastewater plant uses coal-based carbon (iodine value 1050mg/g), COD from 200→50mg/L, and the cost per ton of water is only ￥0.05. Advantages: high cost performance (1/3 price of coconut shell carbon), anti-biological pollution, PH neutral.