HUMIC ACID REMOVAL FROM AQUEOUS ENVIRONMENTS BY ELECTROCOAGULATION PROCESS DUAD WITH ADDING HYDROGEN PEROXIDE

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BAZRAFSHAN EDRIS; JONEIDI JAFARI AHMAD; KORD MOSTAFAPOUR FERDOS; BIGLARI HAMED

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Journal: Iranian Journal of Health and Environment Year:2012 | Volume:5 | Issue:2 (16) Page(s): 211-224

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Title

HUMIC ACID REMOVAL FROM AQUEOUS ENVIRONMENTS BY ELECTROCOAGULATION PROCESS DUAD WITH ADDING HYDROGEN PEROXIDE

Author(s)

BAZRAFSHAN EDRIS | JONEIDI JAFARI AHMAD | KORD MOSTAFAPOUR FERDOS | BIGLARI HAMED | Issue Writer Certificate

Keywords

HUMIC ACIDQ2

ELECTROCOAGULATIONQ2

FENTONQ2

HYDROGEN PEROXIDEQ2

Abstract

Background and Objectives: Presence of HUMIC ACIDs in water resources is important because it is a precursor to disinfection by-products (DBPs) and affects many treatment processes. In this study, we investigated the performance of ELECTROCOAGULATION process duad with HYDROGEN PEROXIDE (creating FENTON process) in removal of HUMIC ACIDs (HA) from aqueous environment.Materials and Methods: The experiments were performed using a 1 L bipolar batch reactor (covered with the aluminum foil) equipped with iron electrodes and connected to electric source having electrical potential 10 V in bipolar mode. First, reactor was filled up using aqueous solution containing 20 mg/L HA. Later, several working parameters, such as initial pH (3, 5, 7, and 8), electrical conductivity produced from adding 1, 1.5, 2 and 3 g/l KCl and reaction time were studied to achieve the highest HUMIC ACID removal capacity. To follow the progress of the treatment, HYDROGEN PEROXIDE (50 mg/l) was added to reactor and then samples of 10 ml were taken at 5, 15, 30, 45, and 60 min and then filtered (0.45 m) to eliminate sludge formed during electrolysis. Finally, HUMIC ACID and iron concentration was measured using TOC analyzer and atomic absorption method respectively.Results: Results of this study showed that the most effective removal capacities of HUMIC ACID (97.19%) could be achieved when the pH was kept 5 (KCl 3g/l and reaction time 60 min). The share of FENTON and ELECTROCOAGULATION process was %7.9 and %92.1 respectively. In addition, our results indicated that the removal efficiency of HUMIC ACID with increase of pH and electrical conductivity parameters decreases and increases respectively.Conclusion: It can be concluded that the FENTON process duad with ELECTROCOAGULATION process has the potential to be utilized for cost-effective removal of HUMIC ACID from aqueous environments.

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APA: Copy

BAZRAFSHAN, EDRIS, JONEIDI JAFARI, AHMAD, KORD MOSTAFAPOUR, FERDOS, & BIGLARI, HAMED. (2012). HUMIC ACID REMOVAL FROM AQUEOUS ENVIRONMENTS BY ELECTROCOAGULATION PROCESS DUAD WITH ADDING HYDROGEN PEROXIDE. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 5(2 (16)), 211-224. SID. https://sid.ir/paper/146035/en

Vancouver: Copy

BAZRAFSHAN EDRIS, JONEIDI JAFARI AHMAD, KORD MOSTAFAPOUR FERDOS, BIGLARI HAMED. HUMIC ACID REMOVAL FROM AQUEOUS ENVIRONMENTS BY ELECTROCOAGULATION PROCESS DUAD WITH ADDING HYDROGEN PEROXIDE. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2012;5(2 (16)):211-224. Available from: https://sid.ir/paper/146035/en

IEEE: Copy

EDRIS BAZRAFSHAN, AHMAD JONEIDI JAFARI, FERDOS KORD MOSTAFAPOUR, and HAMED BIGLARI, “HUMIC ACID REMOVAL FROM AQUEOUS ENVIRONMENTS BY ELECTROCOAGULATION PROCESS DUAD WITH ADDING HYDROGEN PEROXIDE,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 5, no. 2 (16), pp. 211–224, 2012, [Online]. Available: https://sid.ir/paper/146035/en

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