ENHANCEMENT OF THE BIODEGRADABILITY OF METHYL TERT- BUTYL ETHER (MTBE) BY ADVANCED OXIDATION

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SADEGHI M.; MESDAGHINIA A.R.; BADKOOBI A.; NABIZADEH N.

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Journal: WATER AND WASTEWATER Year:2006 | Volume:17 | Issue:2 (58) Page(s): 54-61

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Information Journal Paper

Title

ENHANCEMENT OF THE BIODEGRADABILITY OF METHYL TERT- BUTYL ETHER (MTBE) BY ADVANCED OXIDATION

Author(s)

SADEGHI M. | MESDAGHINIA A.R. | BADKOOBI A. | NABIZADEH N. | Issue Writer Certificate

Keywords

METHYL TERT-BUTYL ETHER (MFBE)Q4

OZONATIONQ4

BIODEGRADABILITYQ4

ADVANCCED OXIDATIONQ3

Abstract

The effectiveness of ozone treatment for improving the BIODEGRADABILITY of recalcitrant pollutants has been proved by investigating the OZONATION reaction of Methyl tert-Butyl Ether (MTBE) as a bioresistant gasoline oxygenate. Laboratory scale experiments have been carried out at room temperature by bubbling for 120 minutes ozonated air (3.4 ppm/min) into 3 liter of an alkaline (pH=11.5) aqueous solution (100mg/L) of MTBE. The experimental results indicated that during the OZONATION, complete MTBE degradation occurs in 100 minutes and after this time, ozone consumption goes on very slowly. At the end of the OZONATION, after 100 minutest the initial value or COD (256 mg O2/L) is 98 and corresponds to a relative removal of about 62%. As for M BE solution BIODEGRADABILITY expressed as (BOD5) / (COD) ratio, during the first 90 minutes, its value regularly increases from lowest 0.01 up to a maximum of 0.68 that corresponds to an ozone consumption of 1.25 mg per each mg of COD initially present in the solution. The research showed that partial degradation of MTBE in the advanced oxidation processes results an increase in its biological degradation. But more oxidation results lower (BOD5)/ (COD) ratio. Also the research showed that for idealization of the chemical oxidation conditions of MTBE, it needs to decrease COD to 46-68% before the biological degradation. The experimental results for determining the rate of MTBE removal due to stripping showed that about 14% of MTBE strips out after an hour of sparging with oxygen gas. The fraction of MTBE oxidized and/or striped increases to about 28% (in pH=7) and 70% (in pH= 11.5) with OZONATION over the same time period.

Cites

FENTON OXIDATION EFFICIENCY IN REMOVAL OF DETERGENTS FROM WATER

References

EFFICIENCY OF ADVANCED OXIDATION AND HYDROXYL TECHNOLOGY IN METHYL TERCIARY - BUTYL ETHER (MTBE)

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APA: Copy

SADEGHI, M., MESDAGHINIA, A.R., BADKOOBI, A., & NABIZADEH, N.. (2006). ENHANCEMENT OF THE BIODEGRADABILITY OF METHYL TERT- BUTYL ETHER (MTBE) BY ADVANCED OXIDATION. WATER AND WASTEWATER, 17(2 (58)), 54-61. SID. https://sid.ir/paper/103533/en

Vancouver: Copy

SADEGHI M., MESDAGHINIA A.R., BADKOOBI A., NABIZADEH N.. ENHANCEMENT OF THE BIODEGRADABILITY OF METHYL TERT- BUTYL ETHER (MTBE) BY ADVANCED OXIDATION. WATER AND WASTEWATER[Internet]. 2006;17(2 (58)):54-61. Available from: https://sid.ir/paper/103533/en

IEEE: Copy

M. SADEGHI, A.R. MESDAGHINIA, A. BADKOOBI, and N. NABIZADEH, “ENHANCEMENT OF THE BIODEGRADABILITY OF METHYL TERT- BUTYL ETHER (MTBE) BY ADVANCED OXIDATION,” WATER AND WASTEWATER, vol. 17, no. 2 (58), pp. 54–61, 2006, [Online]. Available: https://sid.ir/paper/103533/en

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