RESULTS OF EXPERIMENTS ON STUDYING THE COMPOSITION AND PURIFICATION OF TECHNICAL WATER OF OIL AND GAS PROCESSING PLANT

At oil and gas processing plants, steam and hot water are used as coolants, which, as a result of technological operations, become polluted with various petroleum products and are discharged into the sewage system.Industrial waters from oil and gas processing plants are highly toxic, and to purify these industrial technical waters, an initial analysis of the technical waters is essential.Therefore, this article presents the results of a study aimed at determining the elemental composition of the technical waters from a gas processing plant.The study revealed the presence of various elements in the composition of industrial water, including Al, As, Ba, Bi, Ca, Cd, Co, Tl, Cr, Cu, Fe, In, K, Li, Mg, Zn, Mn, Mo, Na, Ni, Pb, Sb, and Sr.The elemental composition of industrial water was determined using the ICPE-9000 Shimadzu device.Additionally, the water hardness was assessed, and the results related to reducing the hardness of industrial waters were provided, along with the identification of the most suitable reagent.To mitigate the hardness of industrial waters, various reagents such as Ca(OH)2, Na3PO4, Al2(SO4)3, sulfanol, Na(PO3)nH2O, NaF, and others were utilized.The study found that sodium polyphosphate, Na(PO3)nH2O, was a suitable reagent for reducing the hardness of industrial waters.In this regard, when using this reagent at a ratio ranging from 0.003 to 0.009 mg-eq/l, the hardness reduction indicator varied from 0.15 mg-eq/l to 0.63 mg-eq/l

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