REMOVAL OF A YELLOW DISPERSIVE DYE FROM SYNTHETIC WASTEWATER BY USE OF CHEMICAL COAGULATION

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MAHLAJERDY ATEFE; REZAI GHOZAL ABAD ZAHRA; ALLAH ABADI AHMAD; RASTEGAR AYOOB; RAHMANI SANI ABOLFAZL; TAHMASEBI SAJEDE

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Journal: BEYHAGH Year:2015 | Volume:20 | Issue:3 (34) Page(s): 1-10

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Title

REMOVAL OF A YELLOW DISPERSIVE DYE FROM SYNTHETIC WASTEWATER BY USE OF CHEMICAL COAGULATION

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Keywords

COAGULATIONQ3

FLOCCULATIONQ2

DISPERSIVE DYESQ2

Abstract

Background and Aims: The effluent of textile industries is high dye fully and this is one of most important problems for environmental health engineers. So this study examined the de-colorization of dispersive yellow dye3 by use of COAGULATION with three different substances (FeCL3, Al2 (SO4) 3, Fe2 (SO4) 3.Materials and Method: Experiments on dye COAGULATION and FLOCCULATION were performed using a jar test apparatus. The initial experimental pH were (2, 4, 6, 8, 10), the dye concentration were (10, 15, 20, 40, 60, 80) and the COAGULATION rate (20, 40, 60, 80) were in COAGULATION-Flocculation process. Standardized set of stirring speeds, i.e., 200rpm for rapid stirring and 40 rpm for slow stirring, was used for comparative purpose. The initial pH of the solution was measured using dilute HCl or NaOH solutions (0.01-0.1M). The collected samples were santerified and analyzed by means of UV-visible spectrophotometry MODEL Hach DR 5000.Result: The results showed that under most cases FeCL3 had significantly higher efficiency in removal of dispersive yellow33 dye in rations to Al2(SO4)3 and Fe2(SO4)3. Also the change of initial pH was always beneficial for enhancing dye removal. The Dye removal, optimum pH, COAGULATION dosage and initial dye concentration were found to be 65.24%, 8, 60 mg /L and 4 mg/L, respectively.Conclusion: It seems that iron hydroxides can neutralize the negative surface charges of dye molecules or trap the dye molecules. Therefore, the sweep FLOCCULATION and/or the charge neutralization might play key roles in the enhancing dye removal.

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APA: Copy

MAHLAJERDY, ATEFE, REZAI GHOZAL ABAD, ZAHRA, ALLAH ABADI, AHMAD, RASTEGAR, AYOOB, RAHMANI SANI, ABOLFAZL, & TAHMASEBI, SAJEDE. (2015). REMOVAL OF A YELLOW DISPERSIVE DYE FROM SYNTHETIC WASTEWATER BY USE OF CHEMICAL COAGULATION. BEYHAGH, 20(3 (34)), 1-10. SID. https://sid.ir/paper/105904/en

Vancouver: Copy

MAHLAJERDY ATEFE, REZAI GHOZAL ABAD ZAHRA, ALLAH ABADI AHMAD, RASTEGAR AYOOB, RAHMANI SANI ABOLFAZL, TAHMASEBI SAJEDE. REMOVAL OF A YELLOW DISPERSIVE DYE FROM SYNTHETIC WASTEWATER BY USE OF CHEMICAL COAGULATION. BEYHAGH[Internet]. 2015;20(3 (34)):1-10. Available from: https://sid.ir/paper/105904/en

IEEE: Copy

ATEFE MAHLAJERDY, ZAHRA REZAI GHOZAL ABAD, AHMAD ALLAH ABADI, AYOOB RASTEGAR, ABOLFAZL RAHMANI SANI, and SAJEDE TAHMASEBI, “REMOVAL OF A YELLOW DISPERSIVE DYE FROM SYNTHETIC WASTEWATER BY USE OF CHEMICAL COAGULATION,” BEYHAGH, vol. 20, no. 3 (34), pp. 1–10, 2015, [Online]. Available: https://sid.ir/paper/105904/en

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