Optimization of composite polymer dosing and pH in wastewater treatment plants

Abstract In this paper, a composite Aluminum Chloride–polyacrylamide polymer (indicate AlCl 3 -PAM) was prepared by physical mixing. the response surface methodology (RSM) and central composite design (CCD) was utilized for modeling and optimization of the flocculation process of the wastewater, to...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2021-04, Vol.722 (1), p.12038
Main Authors: Chasib, Sarah Adil, Azeez, Nayyef Mohsin, Dawood, Ammar Salman
Format: Article
Language:English
Subjects:
Aluminum
Aluminum chloride
Chemical oxygen demand
Composite materials
Dosage
Flocculation
Mathematical models
Optimization
pH effects
Polyacrylamide
Polymers
Response surface methodology
Solid suspensions
Suspended solids
Turbidity
Wastewater treatment
Wastewater treatment plants
Water treatment
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Summary:Abstract In this paper, a composite Aluminum Chloride–polyacrylamide polymer (indicate AlCl 3 -PAM) was prepared by physical mixing. the response surface methodology (RSM) and central composite design (CCD) was utilized for modeling and optimization of the flocculation process of the wastewater, to utilized maximum removal of the (turbidity, total suspended solid and chemical oxygen demand). moreover, the influence of composite polymer dosage and pH on the wastewater flocculation process was discussed. Square models developed for the three responses (Turbidity, TSS and COD) denoted the optimum condition of flocculation process in terms of optimal composite polymer dosage and optimal pH. The optimum composite polymer dosage was (2.5 mg/l) with an optimum pH 7. In these optimal values, the wastewater treatment achieved (84.9%, 97%, and 92.4%) removal of COD, turbidity, and TSS, respectively.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/722/1/012038