A DEMONSTRATION PROJECT OF OIL SLUDGE TREATMENT WITH ENGINEERED SMOLDERING TECHNOLOGY

LEI Dapeng; SHAN Huifeng; YANG Deng; GE Chuanqin; LIU Shan

doi:10.13205/j.hjgc.202210020

Volume 40 Issue 10

Oct. 2022

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LEI Dapeng, SHAN Huifeng, YANG Deng, GE Chuanqin, LIU Shan. A DEMONSTRATION PROJECT OF OIL SLUDGE TREATMENT WITH ENGINEERED SMOLDERING TECHNOLOGY[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(10): 150-155,168. doi: 10.13205/j.hjgc.202210020

Citation:

LEI Dapeng, SHAN Huifeng, YANG Deng, GE Chuanqin, LIU Shan. A DEMONSTRATION PROJECT OF OIL SLUDGE TREATMENT WITH ENGINEERED SMOLDERING TECHNOLOGY[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(10): 150-155,168. doi: 10.13205/j.hjgc.202210020

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A DEMONSTRATION PROJECT OF OIL SLUDGE TREATMENT WITH ENGINEERED SMOLDERING TECHNOLOGY

doi: 10.13205/j.hjgc.202210020

Jiangsu DDBS Environmental Remediation Co., Ltd, Nanjing 210000, China

Received Date: 2021-12-13

Abstract

Abstract

Engineered smoldering technology, based on smoldering mechanism, is a self-sustaining treatment technology for active remediation, aiming at medias such as heavy (low volatility) oil sludge or petroleum hydrocarbon contaminated soil that are highly contaminated by organics and difficult to degrade and treat. Its R&D and practice are still at an early stage in China. Treatment of the stocked oil sludge at a coking plant in Hubei province was the debut of engineered smoldering technology for the treatment of oil sludge in China. A pilot test was conducted first to determine the pre-treatment approach, reagent dosage, and process conditions of smoldering treatment. Step I of the demonstration project was pre-treatment through a "chemical conditioning+plate-frame pressure filtration" process for dewatering and mass reduction; Step II was a treatment process with 4 sets of ex-situ engineered smoldering equipment. The moisture of oil sludge was reduced to around 50% through pre-treatment, total mass was reduced by 90% and the removal rate of the concerned contaminants in oil sludge exceeded 98% after smoldering treatment, meeting the acceptance standard of this project.
- engineered smoldering technology,
- self-sustaining remediation,
- oil sludge,
- dewatering,
- total petroleum hydrocarbon,
- coking plant

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References(19)

References

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