SOLUBILIZER DESIGN FOR INTENSIFYING REMEDIATION OF SOIL WITH PETROLEUM HYDROCARBON POLLUTANTS

DING Ning; ZUO Shiwei; ZHANG Ruibo; WANG Zhaohui; LI Kewen; SHANG Ershun

doi:10.13205/j.hjgc.202401023

Volume 42 Issue 1

Jan. 2024

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(1): 177-183

DING Ning, ZUO Shiwei, ZHANG Ruibo, WANG Zhaohui, LI Kewen, SHANG Ershun. SOLUBILIZER DESIGN FOR INTENSIFYING REMEDIATION OF SOIL WITH PETROLEUM HYDROCARBON POLLUTANTS[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(1): 177-183. doi: 10.13205/j.hjgc.202401023

Citation:

DING Ning, ZUO Shiwei, ZHANG Ruibo, WANG Zhaohui, LI Kewen, SHANG Ershun. SOLUBILIZER DESIGN FOR INTENSIFYING REMEDIATION OF SOIL WITH PETROLEUM HYDROCARBON POLLUTANTS[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(1): 177-183. doi: 10.13205/j.hjgc.202401023

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SOLUBILIZER DESIGN FOR INTENSIFYING REMEDIATION OF SOIL WITH PETROLEUM HYDROCARBON POLLUTANTS

doi: 10.13205/j.hjgc.202401023

Sinopec Engineering Group Luoyang R&D Center of Technologies, Luoyang 471003, China

Received Date: 2022-12-01
Available Online: 2024-04-29

Abstract

Abstract

Several remediation technologies have been exploited and developed to remove petroleum hydrocarbons, a typical pollutant in the petrochemical industry. Bio-remediation has been considered an appropriate one to treat the in-service sites for its advantages in difficulty, cost, and security. Nevertheless, the application of this technology was still restricted by tedious periods and limited efficiency. Thus, 4 kinds of solubilizers were designed and tested in this paper. To all solubilizers, the critical micelle concentration(CMC) was determined within 100~120 mg/kg and the corresponding surface tension was around 30 mN/m. In a typical soil-flushing process, the total petroleum hydrocarbons(TPHs) could be decreased from 27000 mg/kg to 4500 mg/kg or less by LIS-1, LAS-1, and LIS-2, and the TPH removal was proved to depend mainly on the ratio of solubilizers to the polluted soil. The intensification of the solubilizer was confirmed by the micro-biological degradation process, and the results were proved consistent with that of the soil-flushing process. Further, such consistency could help reduce the design period of more new types of solubilizers and improve the development efficiency of soil solubilization technology.
- soil remediation,
- petroleum hydrocarbons,
- solubilizer,
- critical micelle concentration(CMC),
- bio-remediation

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References(22)

References

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