HYDROGEN PEROXIDE INTERFERENCE IN CHEMICAL OXYGEN DEMAND DURING OZONE BASED ADVANCED OXIDATION OF AN AEROBICALLY DIGESTED LIVESTOCK WASTEWATER

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LEE E.; LEE H.; KIM Y.K.; SOHN K.; LEE K.

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Paper Information

Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2011 | Volume:8 | Issue:2 (30) Page(s): 381-388

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Title

HYDROGEN PEROXIDE INTERFERENCE IN CHEMICAL OXYGEN DEMAND DURING OZONE BASED ADVANCED OXIDATION OF AN AEROBICALLY DIGESTED LIVESTOCK WASTEWATER

Author(s)

Keywords

ADVANCED OXIDATION

CHEMICAL OXYGEN DEMAND

HYDROGEN PEROXIDE

LIVESTOCK WASTEWATER

OZONE

Abstract

It is known that HYDROGEN PEROXIDE interferes with CHEMICAL OXYGEN DEMAND analysis by consuming oxidation agents such as potassium dichromate, thus leading to overestimation of the CHEMICAL OXYGEN DEMAND measurements. The objective of the study was to investigate the effects of HYDROGEN PEROXIDE interference and to determine true CHEMICAL OXYGEN DEMAND values on interpreting treatment performance during OZONE-based ADVANCED OXIDATION of LIVESTOCK WASTEWATER in which HYDROGEN PEROXIDE concentration and CHEMICAL OXYGEN DEMAND values are dynamically changing. According to the CHEMICAL OXYGEN DEMAND monitoring data, CHEMICAL OXYGEN DEMAND values were always higher than the initial CHEMICAL OXYGEN DEMAND load when HYDROGEN PEROXIDE was involved and the treatment performance with OZONE alone or OZONE/ultraviolet was better than with coupled HYDROGEN PEROXIDE. The extent of overestimation was proportional to the remaining HYDROGEN PEROXIDE concentration and the average overestimation ratio in LIVESTOCK WASTEWATER was in the range of 0.50~0.58 mg per 1 mg of HYDROGEN PEROXIDE, depending upon the quality of the wastewater treated. True CHEMICAL OXYGEN DEMAND values were estimated by correlating the extent of overestimation with the remaining HYDROGEN PEROXIDE concentration during treatment. The extent of overestimation decreased to zero gradually as the amount of HYDROGEN PEROXIDE also approached zero as oxidation proceeded. The corrected CHEMICAL OXYGEN DEMAND values indicated underlying tendency of oxidation, which could not be seen in the original CHEMICAL OXYGEN DEMAND monitoring data. Application of OZONE/hydrogen peroxide was more efficient for reducing CHEMICAL OXYGEN DEMAND than OZONE alone, as was OZONE/hydrogen peroxide/ultraviolet compared to OZONE/ultraviolet. When coupled with OZONE, ultraviolet irradiation was more efficient than HYDROGEN PEROXIDE for decreasing CHEMICAL OXYGEN DEMAND during treatment of LIVESTOCK WASTEWATER.

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VOLATILE ORGANIC COMPOUNDS DECOMPOSITION USING NONTHERMAL PLASMA COUPLED WITH A COMBINATION OF CATALYSTS

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APA: Copy

LEE, E., LEE, H., KIM, Y.K., SOHN, K., & LEE, K.. (2011). HYDROGEN PEROXIDE INTERFERENCE IN CHEMICAL OXYGEN DEMAND DURING OZONE BASED ADVANCED OXIDATION OF AN AEROBICALLY DIGESTED LIVESTOCK WASTEWATER. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 8(2 (30)), 381-388. SID. https://sid.ir/paper/285301/en

Vancouver: Copy

LEE E., LEE H., KIM Y.K., SOHN K., LEE K.. HYDROGEN PEROXIDE INTERFERENCE IN CHEMICAL OXYGEN DEMAND DURING OZONE BASED ADVANCED OXIDATION OF AN AEROBICALLY DIGESTED LIVESTOCK WASTEWATER. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2011;8(2 (30)):381-388. Available from: https://sid.ir/paper/285301/en

IEEE: Copy

E. LEE, H. LEE, Y.K. KIM, K. SOHN, and K. LEE, “HYDROGEN PEROXIDE INTERFERENCE IN CHEMICAL OXYGEN DEMAND DURING OZONE BASED ADVANCED OXIDATION OF AN AEROBICALLY DIGESTED LIVESTOCK WASTEWATER,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 8, no. 2 (30), pp. 381–388, 2011, [Online]. Available: https://sid.ir/paper/285301/en

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