CHEMICAL DENITRIFICATION OF NITRATE FROM GROUNDWATER VIA SULFAMIC ACID AND ZINC METAL

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SABZALI A.; GHOLAMI M.; YAZDANBAKHSH A.R.; KHODADADI A.; MOUSAVI B.; MIRZAEE R.

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Paper Information

Journal: IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE) Year:2006 | Volume:3 | Issue:3 Page(s): 141-146

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Title

CHEMICAL DENITRIFICATION OF NITRATE FROM GROUNDWATER VIA SULFAMIC ACID AND ZINC METAL

Author(s)

Keywords

CHEMICAL DENITRIFICATION

GROUNDWATER

ZINC

SULFAMIC ACID

ELECTROLYTIC REACTOR

Abstract

Nitrate contamination in drinking water can cause methemoglobinemia, which is especially detrimental to infants and nursing mothers. Batch experiments in two units for catalytic reduction of nitrate from groundwater with Zn catalyst and sulfamic acid were conducted. The system includes chemical denitriphication (ChemDen reactor) and electrolytic recovery reactoers. A batch study was conducted to optimize parameters like pH, sulfamic acid concentration, Zn concentration, temperature and reaction time governing the ChemDen process. The concentrations of remained nitrate and Zn were measured at the end of the reactions. Results showed that near to 100% of nitrate decreased and the quantity of remained nitrate was <1 mg/L. pH and agitation had great effect on denitrification, and the nitrate removal rate changed rapidly when pH value ranged between 3-4. Two water quality parameters which limit this process were sulfate and chloride ions concentrations in nitrate contaminated water.

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APA: Copy

SABZALI, A., GHOLAMI, M., YAZDANBAKHSH, A.R., KHODADADI, A., MOUSAVI, B., & MIRZAEE, R.. (2006). CHEMICAL DENITRIFICATION OF NITRATE FROM GROUNDWATER VIA SULFAMIC ACID AND ZINC METAL. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), 3(3), 141-146. SID. https://sid.ir/paper/535472/en

Vancouver: Copy

SABZALI A., GHOLAMI M., YAZDANBAKHSH A.R., KHODADADI A., MOUSAVI B., MIRZAEE R.. CHEMICAL DENITRIFICATION OF NITRATE FROM GROUNDWATER VIA SULFAMIC ACID AND ZINC METAL. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE)[Internet]. 2006;3(3):141-146. Available from: https://sid.ir/paper/535472/en

IEEE: Copy

A. SABZALI, M. GHOLAMI, A.R. YAZDANBAKHSH, A. KHODADADI, B. MOUSAVI, and R. MIRZAEE, “CHEMICAL DENITRIFICATION OF NITRATE FROM GROUNDWATER VIA SULFAMIC ACID AND ZINC METAL,” IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), vol. 3, no. 3, pp. 141–146, 2006, [Online]. Available: https://sid.ir/paper/535472/en

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