ADSORPTION OF ANIONIC AZO DYE FROM AQUEOUS SOLUTION USING STRYCHNOS POTATORUM LINN SEEDS: ISOTHERM AND KINETIC STUDIES

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KIRUPA SANKAR M.; MUTHU KUMAR K.; RANGANATHAN B.V.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2015 | Volume:12 | Issue:9 Page(s): 0-0

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Title

ADSORPTION OF ANIONIC AZO DYE FROM AQUEOUS SOLUTION USING STRYCHNOS POTATORUM LINN SEEDS: ISOTHERM AND KINETIC STUDIES

Author(s)

KIRUPA SANKAR M. | MUTHU KUMAR K. | RANGANATHAN B.V.

Keywords

STRYCHNOS POTATORUM

LINN SEEDS

ADSORPTION

ENVIRONMENT

DYE REMOVAL

REACTIVE ORANGE-M2R

Abstract

Dyes from several industry effluents are major concern of ENVIRONMENTal pollution. In this study, the efficiency of a cost-effective natural adsorbent STRYCHNOS POTATORUM Linn (Fam: Loganiaceae) seeds on removing REACTIVE ORANGE-M2R dye from aqueous solution was investigated using batch ADSORPTION isotherms at 30±1oC and 120 rpm. The efficacy of the adsorbent system was also studied at various parameters viz. contact time, pH, adsorbent dosage and initial dye concentration. Maximum ADSORPTION (q e=9 mg/g) was observed at pH 2.0, equilibrium time 6 h, initial dye concentration of 100 mg/L and adsorbent dosage of 0.2 g/100 mL. The unit ADSORPTION of dye, q e(mg/g) increased with increase in contact time and initial dye concentration, while it decreased with increase in adsorbent dosage. The ADSORPTION kinetic studies revealed that it follows pseudo-second-order reaction model. Equilibrium ADSORPTION data followed both Langmuir and Freundlich isotherms with good agreement. These investigations suggest that STRYCHNOS POTATORUM LINN SEEDS (SPS) could be used as a low-cost adsorbent in treating textile effluents for DYE REMOVAL applications. The adsorbent (SPS) was also characterized using Fourier transform infrared spectroscopy, powder X-ray diffraction, and scanning electron microscopic technique.

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APA: Copy

KIRUPA SANKAR, M., MUTHU KUMAR, K., & RANGANATHAN, B.V.. (2015). ADSORPTION OF ANIONIC AZO DYE FROM AQUEOUS SOLUTION USING STRYCHNOS POTATORUM LINN SEEDS: ISOTHERM AND KINETIC STUDIES. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 12(9), 0-0. SID. https://sid.ir/paper/286250/en

Vancouver: Copy

KIRUPA SANKAR M., MUTHU KUMAR K., RANGANATHAN B.V.. ADSORPTION OF ANIONIC AZO DYE FROM AQUEOUS SOLUTION USING STRYCHNOS POTATORUM LINN SEEDS: ISOTHERM AND KINETIC STUDIES. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2015;12(9):0-0. Available from: https://sid.ir/paper/286250/en

IEEE: Copy

M. KIRUPA SANKAR, K. MUTHU KUMAR, and B.V. RANGANATHAN, “ADSORPTION OF ANIONIC AZO DYE FROM AQUEOUS SOLUTION USING STRYCHNOS POTATORUM LINN SEEDS: ISOTHERM AND KINETIC STUDIES,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 12, no. 9, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/286250/en

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