Coal gas water pretreatment system

Abstract

The utility model relates to coal gas water pretreatment technical field, concretely relates to a kind of coal gas water pretreatment system, the system includes deacidification tower, for the deacidification treatment of coal gas water;Acid gas treatment equipment, for the treatment of acid gas from deacidification tower;Deaminase tower, for the deaminase treatment of coal gas water after deacidification treatment in deacidification tower;Ammonia gas liquid separation equipment, for the separation treatment of ammonia gas liquid mixed phase from deaminase tower, obtain crude ammonia gas;Extraction tower, for the dephenol treatment of coal gas water after deaminase treatment in deaminase tower;Phenol recovery tower, for the separation of phenol and extractant in extractant from extraction tower, and extractant is sent back to the extractant tank, and crude phenol is discharged;Water tower, for the subsequent biochemical treatment after the separation of extractant in coal gas water after dephenol treatment in extraction tower, and the separated extractant is sent back to the extractant tank.In the use of the system, the acid gas, ammonia and phenol in coal gas water can be effectively removed.

Images