:: Volume 22, Issue 6 (1-2015) ::
Journal of Ilam University of Medical Sciences 2015, 22(6): 14-23 Back to browse issues page
Evaluating the Performance of Limecoagulant Using Synthetic Polymer in Dye Removal From Textile Wastewater
Z Noorimotlagh1, M Javaheri1, Z Rahmati1, H Nourmoradi *2
1- Ilam University of Medical Sciences
2- Ilam University of Medical Sciences , ilam_nourmoradi@yahoo.com
Abstract:   (8232 Views)
Introduction: The presence of dye in aqueous solution can cause carcinogenic and leave mutagenic effects on the hu-man health. This study aimed to eva-luate the performance of lime coagulant using polymer in the removal of dis-perse red 60 dye from synthetic waste-water.
 Materials & Methods: This study was conducted in the batch system. The effects of the coagulant aid dosage, pH, dye concentration, coagulant dose, sett-ling time, velocity and time of slow mi-xing was studied. Jar test and UV/Vis spectrophotometric were used to coag-ulate and determine of concentration, respectively.
 Findings: Results indicated that dye was removed for 90.61% in the prese-nce of preastol optimum concentration and removed for46.21% (0.08 g/l) in the absence of preastol optimum concen-tration, respectively. The optimum solu-teion pH range was extended using the coagulationaid and the velocity of the mixer in jar test had a substantial effect on the dye removal.
 Discussion & Conclusion: Based on results, the use of the coagulant aid de-creased the coagulant dose and incre-ased (almost two times) the dye removal percentage in the same condition. Thus, coagulation process through coagulant-aid could be used as an effective meth-od to remove dye from textile waste-waters.
Keywords: Wastewater, coagulation, dye, Jar test, polymer.
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Type of Study: Research | Subject: Environmental health
Received: 2014/04/20 | Accepted: 2014/06/25 | Published: 2015/01/14

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