Patent ID: 7678738

Claim:
A method for regenerating a saturated activated coke, comprising the steps of: A) a dehydration treatment step of dehydrating the saturated activated coke to reduce water content in the saturated activated coke; B) a drying step of drying the product obtained in the dehydration treatment step at 120° C.-150° C.; C) a dry distillation step of heating the product obtained in the drying step to 500° C.-600° C. at a speed of 4° C.-10° C./min and keeping at this temperature for 10-60 minutes to carry out a dry distillation; and D) an activation step of heating the product obtained in the dry distillation step to 800° C.-950° C. at 2° C.-8° C./min and supplying a stream to carry out an activation, wherein in the dry distillation step, a part of organics adsorbed on the surface and in the pores of the activated coke is dry distilled, cracked, volatilized and transformed into a hot coal gas containing methane, ethane, hydrogen and carbon monoxide which is conveyed into a boiler via pipelines for combustion application; and the other part of the organics is dry distilled, carbonized and the carbonized organics is activated into a filtrating adsorption material in the activation step.