PROCESS OPTIMIZATION OF OZONATION FOR OIL AND GAS
PIPELINES WASHING WASTEWATER

Tang Na; Wang Yingqiao; Jia Zhongyuan; Wang Zhigang

doi:10.13205/j.hjgc.201510006

Volume 33 Issue 10

Jun. 2016

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Tang Na, Wang Yingqiao, Jia Zhongyuan, Wang Zhigang, . PROCESS OPTIMIZATION OF OZONATION FOR OIL AND GASPIPELINES WASHING WASTEWATER[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(10): 26-30. doi: 10.13205/j.hjgc.201510006

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Tang Na, Wang Yingqiao, Jia Zhongyuan, Wang Zhigang, . PROCESS OPTIMIZATION OF OZONATION FOR OIL AND GAS PIPELINES WASHING WASTEWATER[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(10): 26-30. doi: 10.13205/j.hjgc.201510006

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PROCESS OPTIMIZATION OF OZONATION FOR OIL AND GAS PIPELINES WASHING WASTEWATER

doi: 10.13205/j.hjgc.201510006

Publish Date: 2015-10-22

Abstract

Abstract

Ozone oxidation methods were used to treat the marine oil and gas pipelines washing wastewater． The effect of various factors ( ozone dosing quantity、pH and inlet flow) on degradation of COD were investigated． On the basis of single factor experiment，three factors including ozone dosing quantity、pH、inlet flow were designed and optimized by Design Expert 8. 0. 6， the quadratic polynomial model was obtained． Analysis showed that the model had a significant influence on the removal rate of COD． The optimal reaction conditions were determined: The ozone dosing quantity was 9. 5 g /h，pH = 8. 92，inlet flow was 2. 33 L/min． Under the optimum conditions，COD removal rate was 39. 21%，while the model predictive value of 38. 06%． The model was high goodness of fit with actual situation．
- marine oil and gas pipelines,
- washing wastewater,
- ozonation

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