EVALUATION OF CLINOPTILOLITE MODIFIED BY CATIONIC SURFACTANT FOR NITRATE REMOVAL FROM AQUEOUS SOLUTIONS

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ALIDADIA HOSEIN; Dolatabadi Maryam; MEHRABPOUR MARJAN

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Journal: Journal of Research in Environmental Health Year:2017 | Volume:3 | Issue:1 (9) Page(s): 21-29

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Title

EVALUATION OF CLINOPTILOLITE MODIFIED BY CATIONIC SURFACTANT FOR NITRATE REMOVAL FROM AQUEOUS SOLUTIONS

Author(s)

ALIDADIA HOSEIN | Dolatabadi Maryam | MEHRABPOUR MARJAN | Issue Writer Certificate

Keywords

AQUEOUS SOLUTIONSQ1

CATIONIC SURFACTANTQ1

CLINOPTILOLITE ZEOLITEQ2

NITRATEQ2

REMOVALQ2

Abstract

Background and Objectives: NITRATE contamination of surface and groundwater is considered as one of the more serious problems in throughout the world. High NITRATE concentration in water (higher than standards) is very dangerous, consuming such polluted water can lead to Methemoglobinemia disease in children and the formation of the carcinogenic nitrosamines in adults. The aim of this study was to investigate the possibility using of Modified CLINOPTILOLITE ZEOLITE by CATIONIC SURFACTANTs adsorbent in NITRATE REMOVAL from AQUEOUS SOLUTIONS.Materials and Methods: In this empirical study, the effects of different independent variables including adsorbent dose (1-3 g/l), initial concentration of NITRATE (50-150 mg/l), pH (4-10) and contacttime (15-120 min) on elimination of NITRATE was investigated. Also, adsorption kinetic along with Langmuir and Freundlich isotherms was studied.Results: The obtained results showed that the maximum REMOVAL efficiency of NO3 was in the initial NITRATE concentration of 50 mg/L, pH of 4, adsorbent dose of 3 g/l, and contacttime of 90 min. Also, the results indicate that the NITRATE adsorption by modified CLINOPTILOLITE ZEOLITE was fitted well with Freundlich isotherm (R2=0.9951), and second- order kinetics (R2=0.9998).Conclusion: According to the attained results, the CLINOPTILOLITE ZEOLITE can be considered as an appropriate and economical adsorbent for elimination of NITRATE from AQUEOUS SOLUTIONS. Concerning its simple modification method and low cost, it can be applied as an adsorbent for other anionic pollutions.

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APA: Copy

ALIDADIA, HOSEIN, Dolatabadi, Maryam, & MEHRABPOUR, MARJAN. (2017). EVALUATION OF CLINOPTILOLITE MODIFIED BY CATIONIC SURFACTANT FOR NITRATE REMOVAL FROM AQUEOUS SOLUTIONS. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, 3(1 (9)), 21-29. SID. https://sid.ir/paper/261391/en

Vancouver: Copy

ALIDADIA HOSEIN, Dolatabadi Maryam, MEHRABPOUR MARJAN. EVALUATION OF CLINOPTILOLITE MODIFIED BY CATIONIC SURFACTANT FOR NITRATE REMOVAL FROM AQUEOUS SOLUTIONS. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH[Internet]. 2017;3(1 (9)):21-29. Available from: https://sid.ir/paper/261391/en

IEEE: Copy

HOSEIN ALIDADIA, Maryam Dolatabadi, and MARJAN MEHRABPOUR, “EVALUATION OF CLINOPTILOLITE MODIFIED BY CATIONIC SURFACTANT FOR NITRATE REMOVAL FROM AQUEOUS SOLUTIONS,” JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, vol. 3, no. 1 (9), pp. 21–29, 2017, [Online]. Available: https://sid.ir/paper/261391/en

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