High quality too creek as raw materials, crushing, carbonization, activation and sieve grading process, particle appearance in black without rules, coal granule activated carbon intensity is high, the pore developed, large specific surface area, especially large micropore volume and unique advantages, suitable for application in the power plant water purification, water depth of purification, especially in chemical effluent filtration purification treatment and power plant boiler using the root of the chlorine treatment of brackish water, has a good processing effect.