Volume 11, Issue 3 (Pajouhan Scientific Journal, Spring 2013)                   psj 2013, 11(3): 22-28 | Back to browse issues page

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Shokoohi R, Samiee F, Azizi S. Comparison of Performance Evaluation of Aluminium Sulfate and Ferric Chloride for Removal of Disperse Blue 56 from Synthetic wastewater. psj. 2013; 11 (3) :22-28
URL: http://psj.umsha.ac.ir/article-1-62-en.html
1- , salah.azizi9@yahoo.com
Abstract:   (3202 Views)
Background and Objectives: wastwaters of textile industries contain large amounts of color can create a lot of pollution. There are different methods for decolorization of textile industries, for example the methods of coagulation, floocculation, chemical oxidation, biological treatment, electrochemical techniques, including ion exchange and other processes. The purpose of this study was to compare the efficacy of alum and ferric chloride to remove Disperse Blue 56.
Methods: the research was according to the method Jar test. The sample PH was adjusted using NaOH and sulfuric acid 0.1 normal. Coagulants with different concentrations were added to each sample. A minute of high speed and slow speed were mixed for 15 minutes and a_er deposition, sample pH and absorbance values were measured. The dye concentration in the samples was measured by spectrometry method using a UV1700- Pharmaspec Shimadzo spectrophotometer at 550 nm wavelength.
Results: coagulation by alum to remove dye Disperse Blue has a pH optimum of 6 and optimal dose of 130 milligrams per liter, which is the pH and the optimal dose has a removal efficiency of 93 percent, while for Chloroferric the pH optimum of 9and optimal dose of 120 milligrams per liter with removal efficiency over 98 percent.
Conclusions: the results showed that the coagulation process using a lot of blue disperses dyes in textile wastewater removed from the wastewater. The e results showed that the coagulant is alum Chloroferric has better removal efficiency.
Full-Text [PDF 443 kb]   (1274 Downloads)    
Type of Study: Research Article |
Received: 2014/09/12 | Accepted: 2014/09/12 | Published: 2014/09/12

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