The invention relates to a 
coal chemical industry sewage disposal method, and particularly relates to a high-efficient conny pressure gasification high-concentration 
sewage disposal method. Specific to the difficulty of treating the conny pressure gasification high-concentration 
sewage of a 
coal chemical industry, the invention aims to overcome the shortcomings existed in a traditional technique and provides a conny pressure gasification high-concentration sewage disposal method for triggering 
polymerization-promoting oil removal and 
turbidity removal, intensified oxidization, 
shunting type two-grade 
oxygen deficit /  aerobiotic 
system, high-efficient low-consumption catalyst 
ozone oxidizing treatment 
coupling, and compact type 
biochemistry technical 
coupling with multiple novel high-efficient units. The method fully combines inherent characteristics of every unit, realizes the high-efficient removal of phenolic substance, oily substance, and heterocyclic 
ring type substance in waste water, fully displays the handling ability of the biochemical 
system, and stabilizes and promotes the 
effluent quality of the biochemical 
system. The whole method is featured by strong 
impact resistance, simple flow, low handling cost, and others; indexes of 
effluent COD, 
ammonia nitrogen, 
total nitrogen and specific 
pollutant are significantly better than the like waste water disposal level of the industry, and the method also has good popularization and application prospects.