Impact Prevention Technology For Wastewater Treatment Plant

At present the petroleum petrochemical industry process units craft is complex,the waste water existence water quality which produces unstable, the composition situations and so on complex as well as including virulent or suppressant material, has the impact very easily for the sewage field. Sludge activity of the commonly used indicator of biological activity and most of the way there are all kinds of defects, can not be timely monitoring of the sewage treatment system influent water quality. Against the question, the test to Daqing Petrochemical Company for Chemical sewage treatment targets, using a built reactor sludge reactor for aerobic training, the DHA, OUR determination of a systematic study to select a Ways to monitor the water quality of the sewage plant, to avoid poison or load the purpose of impact.This paper first amends the measurement methods about the OUR and TTC-DHA. The new methods find that SOUR and SDHA have the same change trend with OUR and DHA. While SOUR and SDHA omits the process of measuring MLVSS, so it is more suitable for use in the plant. SOUR for the determination of a standard activated sludge culture and preservation methods to reduce the determination of time; determine the best operating conditions. SDHA in the determination process, the choice of xylene TF as the extraction of color, the reaction temperature is 30℃, the results more credible.Second, the establishment of OUR and DHA determination on the basis of inspection to add different concentrations of xylene and octanol, and other toxic chemical substances for the matrix of sewage, toxic substances in the presence of microbial activity. Xylene and octanol containing toxic substances, SDHA SOUR indicators and a very similar trend, toxic substances can be synchronized to reflect the activity of the sludge.But from the determination of comparison, SOUR more rapid and simple, more suitable for a sewage treatment plant early warning function.Daqing Petrochemical Corporation sewage field not shocks, are in normal circumstances SOUR water fluctuations in the range of chemical sewage plant SOUR of 1.0 to 5.0; acrylic sewage plant the instructions of their SOUR 1 to 8; refinery wastewater treatment plant The instructions of their SOUR 1 to 7. Meanwhile, the successful application of SOUR , combined with the routine indexes about sludge activity and water quality, will play an important role in the daily management of wastewater plants.