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Experimental Study on the Treatment of Oilfield Waste Water Containing Poly Using Ozone

Author: HouJie
Tutor: FanHongFu
School: Daqing Petroleum Institute
Course: Oil and Gas Well Engineering
Keywords: Ozone Polymer CODcr Removal efficiency Mechanism Analysis
CLC: X703
Type: Master's thesis
Year: 2009
Downloads: 191
Quote: 3
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Abstract


With the exploitation of oil , increasing oil production wastewater emissions , and the composition of the oil extraction wastewater pollutants is complex , difficult to deal with . Especially polymer flooding in oil technology development, so that the oil extraction wastewater composition is more complex , and more difficult to deal with . The general approach is difficult to achieve the the reinjection standards the direct efflux serious damage interested in ecology and the environment . In-depth study and solve the oil pollution on the ecological environment , to enhance and improve the depth of oilfield wastewater treatment technology . This article elaborated system of oil extraction wastewater characteristics and treatment methods . For of oilfields containing polyethylene sewage characteristics , proposed the ozonation treatment method , and carried out a systematic experimental study and theoretical discussion . The main factors affecting the treatment effect , such as temperature , time to do a detailed analysis of the experiment showed that in the case of a certain proportion of the amount of oily wastewater flow and ozone dosing , the oil content in the sewage , polymer concentration , COD < sub> cr and ozone dosage proportional relationship ; analysis of temperature, time of sewage oil concentration , polymer concentration , COD cr < / sub> , turbidity . Sewage treatment after ozonation , removal of oil content reached 97.21% the polymer concentration removal efficiency of 86.45 % , 94.45% removal of COD cr , turbidity the removal rate reached 94.27% . Shows that the ozone with good oilfield containing poly sewage treatment effect . With the test results , and to explore the reaction mechanism of ozone wastewater containing poly , after further research provides a theoretical reference .

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > General issues > Wastewater treatment and utilization
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