APPLICATION OF RESPONSE SURFACE METHODOLOGY (RSM) TO OPTIMIZE COAGULATION–FLOCCULATION PROCESS FOR TREATMENT OF METAL WORKING FLUIDS USING CALCIUM CHLORIDE AND FERRIC SULFATE

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DINDARLOO KAVOOS; AREZOUMAND ALI; JAMALI HAMZAH ALI

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Journal: Journal of Sabzevar University of Medical Sciences Year:2017 | Volume:23 | Issue:6 Page(s): 866-875

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Title

APPLICATION OF RESPONSE SURFACE METHODOLOGY (RSM) TO OPTIMIZE COAGULATION–FLOCCULATION PROCESS FOR TREATMENT OF METAL WORKING FLUIDS USING CALCIUM CHLORIDE AND FERRIC SULFATE

Author(s)

DINDARLOO KAVOOS | AREZOUMAND ALI | JAMALI HAMZAH ALI | Issue Writer Certificate

Keywords

METAL WORKING FLUIDQ2

COAGULATION- FLOCCULATIONQ2

CALCIUM CHLORIDEQ1

FERRIC SULFATEQ3

RESPONSE SURFACE METHODOLOGYQ1

Abstract

Backgrounds: The current study aimed at optimizing the coagulation-flocculation process to treat metalworking fluids (MVF) by CALCIUM CHLORIDE and FERRIC SULFATE using RESPONSE SURFACE METHODOLOGY (RSM).Methods & Materials: The removal efficiencies of chemical oxygen demand (COD), turbidity, and the amount of released oil via coagulation process using CALCIUM CHLORIDE and FERRIC SULFATE as coagulants were studied. Central Composite Design (CCD) and RSM were used to optimize the operating variables including coagulant dosage and pH. Quadratic models were developed for the 3 responses of COD, turbidity, and released oil from MWF.Results: The results of the current study indicated that the optimum conditions were CALCIUM CHLORIDE dosage of 4 g/L at pH 3.5. The COD, turbidity removal efficiency, and oil releasing from MWF were 93%, 96.9%, and 31.8 mL, respectively and the level of desirability was 91.2%. Optimum condition for FERRIC SULFATE was 6.5 g/L at pH 4.5. The COD, turbidity removal efficiency, and oil releasing from MWF were 62.1%, 93.6% and 13.7 mL, respectively and the level of desirability was 91%.Conclusion: Coagulation-flocculation process using CALCIUM CHLORIDE, compared with conventional coagulants such as FERRIC SULFATE, was very effective on pollutants removal. CALCIUM CHLORIDE usage was 35% less than common coagulant while removal efficiency was greater.

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APA: Copy

DINDARLOO, KAVOOS, AREZOUMAND, ALI, & JAMALI, HAMZAH ALI. (2017). APPLICATION OF RESPONSE SURFACE METHODOLOGY (RSM) TO OPTIMIZE COAGULATION–FLOCCULATION PROCESS FOR TREATMENT OF METAL WORKING FLUIDS USING CALCIUM CHLORIDE AND FERRIC SULFATE. JOURNAL OF SABZEVAR UNIVERSITY OF MEDICAL SCIENCES, 23(6), 866-875. SID. https://sid.ir/paper/81997/en

Vancouver: Copy

DINDARLOO KAVOOS, AREZOUMAND ALI, JAMALI HAMZAH ALI. APPLICATION OF RESPONSE SURFACE METHODOLOGY (RSM) TO OPTIMIZE COAGULATION–FLOCCULATION PROCESS FOR TREATMENT OF METAL WORKING FLUIDS USING CALCIUM CHLORIDE AND FERRIC SULFATE. JOURNAL OF SABZEVAR UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2017;23(6):866-875. Available from: https://sid.ir/paper/81997/en

IEEE: Copy

KAVOOS DINDARLOO, ALI AREZOUMAND, and HAMZAH ALI JAMALI, “APPLICATION OF RESPONSE SURFACE METHODOLOGY (RSM) TO OPTIMIZE COAGULATION–FLOCCULATION PROCESS FOR TREATMENT OF METAL WORKING FLUIDS USING CALCIUM CHLORIDE AND FERRIC SULFATE,” JOURNAL OF SABZEVAR UNIVERSITY OF MEDICAL SCIENCES, vol. 23, no. 6, pp. 866–875, 2017, [Online]. Available: https://sid.ir/paper/81997/en

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