SURVEY OF EFFICIENCY PUMICE STONE FOR DECOLORIZATION OF DYE DIRECT BLUE 71 FROM AQUEOUS SOLUTIONS

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KORD MOSTAFAPOUR F.; BAZRAFSHAN E.; REZAEI H.

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Journal: ZANKO JOURNAL OF MEDICAL SCIENCES Year:2014 | Volume:15 | Issue:44 Page(s): 24-36

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Title

SURVEY OF EFFICIENCY PUMICE STONE FOR DECOLORIZATION OF DYE DIRECT BLUE 71 FROM AQUEOUS SOLUTIONS

Author(s)

KORD MOSTAFAPOUR F. | BAZRAFSHAN E. | REZAEI H. | Issue Writer Certificate

Keywords

ADSORPTIONQ2

PUMICEQ2

ZAHEDANQ2

BLUE 71Q2

Abstract

Background and Aim: Colored wastewater treatment is one of the major challenges facing environmental engineering. ADSORPTION process for the removal of pollutants from wastewater is one of the most important methods. The purpose of this study was to evaluate the efficacy of inorganic adsorbents for the removal of PUMICE is BLUE 71 from aqueous solutions.Material and Methods: This experimental study - which Asrmtghyyrhay laboratory pH (2, 4, 6, 8, 10, 12), adsorbent concentration (9, 7, 5, 3, 1, 0.8, 0.5, 0.2) g/l and initial dye concentration (10, 20, 30, 40, 50, 100, 150, 250) ppm and contact time (20, 40, 60, 80, 100, 120, 140, 160, 180) at 4oC (25, 30, 35, 40)oC isotherm model and the ADSORPTION efficiency was investigated.Results: Maximum removal efficiency at pH=2, adsorbent dosage 5 g/l, primary concentration or dye 40 mg/l, and contact time 80 min and s 25oC % 98.88 was achieved. By increase pH and primary concentration or dye efficiency of ADSORPTION was decreased and By increase adsorbent dose efficiency of ADSORPTION was increased and at S 25oC and 30oC By increase contact time 80 min efficiency of ADSORPTION was increased and later was decreased and at S 35oC and 40oC By increase contact time 60 min efficiency of ADSORPTION was increased and later was decreased. The results show that in all four temperatures, equations of Freundlich isotherm models will follow. Absorption coefficient model for S25oC (R2=0.977), 30oC (R2=0.966), 35oC (R2=0.924), 40oC (R2=0.963).Conclusion: This study showed that the mineral PUMICE efficient adsorbent for removing blue from aqueous solutions is 71.

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APA: Copy

KORD MOSTAFAPOUR, F., BAZRAFSHAN, E., & REZAEI, H.. (2014). SURVEY OF EFFICIENCY PUMICE STONE FOR DECOLORIZATION OF DYE DIRECT BLUE 71 FROM AQUEOUS SOLUTIONS. ZANKO JOURNAL OF MEDICAL SCIENCES, 15(44), 24-36. SID. https://sid.ir/paper/113103/en

Vancouver: Copy

KORD MOSTAFAPOUR F., BAZRAFSHAN E., REZAEI H.. SURVEY OF EFFICIENCY PUMICE STONE FOR DECOLORIZATION OF DYE DIRECT BLUE 71 FROM AQUEOUS SOLUTIONS. ZANKO JOURNAL OF MEDICAL SCIENCES[Internet]. 2014;15(44):24-36. Available from: https://sid.ir/paper/113103/en

IEEE: Copy

F. KORD MOSTAFAPOUR, E. BAZRAFSHAN, and H. REZAEI, “SURVEY OF EFFICIENCY PUMICE STONE FOR DECOLORIZATION OF DYE DIRECT BLUE 71 FROM AQUEOUS SOLUTIONS,” ZANKO JOURNAL OF MEDICAL SCIENCES, vol. 15, no. 44, pp. 24–36, 2014, [Online]. Available: https://sid.ir/paper/113103/en

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