Technology Study On Aacrylic Fiber Wastewater Treatment Process TRechnology Energy Saving

The quality of wastewater which occurred in the process of Acrylic is complex, although appearance is colorless, transparent, but oligomer content is high, biodegradability is poor and contain toxic substances. The biodegradability of sewage is poor, belongs to difficult biodegradable waste water. Apply the existing coagulation, air flotation etc. preprocessing and various biochemical process, power consumption is big and cannot meet the requirements of emissions. Seviously pollute environment, and it is a threat to mankind health.Since ozone used in water treatment in 1905, in practical applications made the obvious effect. Has developed O3/OH-, O3/UV, O3/H2O2/UV, O3/solid catalyst (such as activated carbon, metal and its oxides) and advanced oxidation processes (AOPs). This paper introduced domestic and international research status of acrylic wastewater treatment, and enumerated the advanced technology and brief principle of hard-degradation waste water. By comparing, put forward study principle and specific methods of the experiment. The experiment respectively applied heterogeneous catalysis ozone experiment device and lift aeration active filter device to treat acrylic wastewater. Studied dynamics and the affecting factors of COD degradation in the experiments of heterogeneous catalysis ozone, and analyzed the organic form of wastewater. In the application of lifting aeration activity filter to handle wastewater, we studied the activated carbon and ceramsite carrier biodegradability; degradation of COD, nitrogen characteristics; variation characteristics of PH. And analyzed the backwash effect of filter and biological carrier biological phase. Finally applied heterogeneous catalysis ozone-lift aeration active filter to proceed continuous test and got the optimum parameters.After processing COD removal rate would up to 75%. Both synergy of heterogeneous catalysis ozone craft and lift aeration active filter technology is better. The removal efficiency ratio of COD is approximate 1:1, while the removal efficiency of lifting aeration active filter technology on ammonia nitrogen is above 90%.