2014
DOI: 10.1007/s13201-014-0231-5
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Treatment of wastewater effluents from paper-recycling plants by coagulation process and optimization of treatment conditions with response surface methodology

Abstract: In the present study, a coagulation process was used to treat paper-recycling wastewater with alum coupled with poly aluminum chloride (PACl) as coagulants. The effect of each four factors, viz. the dosages of alum and PACl, pH and chemical oxygen demand (COD), on the treatment efficiency was investigated. The influence of these four parameters was described using response surface methodology under central composite design. The efficiency of reducing turbidity, COD and the sludge volume index (SVI) were consid… Show more

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Cited by 49 publications
(15 citation statements)
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“…The major pollution augmenting unit is a water pollution. In general, the water is considered to be polluted when its quality impaired by several anthropological activities (Birjandi et al 2016). Some of the major sources responsible for water pollution are excess discharge of untreated sewage from various industries, waste water production due to anthropological activities released in the rivers, costal area (Sharma et al 2017;Kumar and Krishna 2017).…”
Section: Introductionmentioning
confidence: 99%
“…The major pollution augmenting unit is a water pollution. In general, the water is considered to be polluted when its quality impaired by several anthropological activities (Birjandi et al 2016). Some of the major sources responsible for water pollution are excess discharge of untreated sewage from various industries, waste water production due to anthropological activities released in the rivers, costal area (Sharma et al 2017;Kumar and Krishna 2017).…”
Section: Introductionmentioning
confidence: 99%
“…Among the mentioned methods, coagulation seems to be an effective one to remove remaining pollutants from the slaughterhouse wastewater. The coagulation process has been successfully practiced to treat textile wastewater [5], pulp and paper wastewater [6], pesticide wastewater [7], landfill leachate [8] as well as drinking water [9]. Nevertheless, there have been no studies done on the treatment of the swine slaughterhouse wastewater in Vietnam by using the coagulation method.…”
Section: Introductionmentioning
confidence: 99%
“…Birjandi at al. also reported an approximate SVI of 150 mL/g by using alum (1100 to 1500 mg/L) under intensive acidic conditions [39].…”
Section: Effect Of Alum Dose On Sludge Volume Indexmentioning
confidence: 93%