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- Title
Combined treatment of acidification-coagulation-catalytic oxidation of drilling waste.
- Authors
Du Guoyong; Huang Rong; Zeng Yang
- Abstract
The drilling wastewater from oil and gas field has been a problem of environmental risk for oil field management. In this experiment, the oilfield drilling wastewater was put as the research object, in which the COD value reached up to 67 920 mg/L. The preparation of a new coagulant PAZC and optimum conditions of chlorine dioxide catalytic oxidation process by acidification-coagulation-catalytic oxidation process were mainly researched. The COD value could be educed to 126. 9 mg/L after treatment and achieved the secondary discharge standard of "Integrated Wastewater Discharge 8978-1996".
- Subjects
PETROLEUM industry -- Waste; INDUSTRIAL wastes; OIL well drilling; SEWAGE; ACIDIFICATION; CATALYSIS
- Publication
Chemical Engineering of Oil & Gas / Shi You Yu Tian Ran Qi Hua Gong, 2013, Vol 42, Issue 6, p667
- ISSN
1007-3426
- Publication type
Article
- DOI
10.3969/j.issn.1007-3426.2013.06.025