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:: Volume 6, Issue 4 (Vol.6, No.4,winter 2019) ::
J Neyshabur Univ Med Sci 2019, 6(4): 78-93 Back to browse issues page
Methylene blue removal from aqueous solutions using ferric chloride sludge obtained from water treatment plant
Mojtaba Afsharnia 1 , Mahmoud Shams 2 , Aliakbar Dehghan2 Dehghan 2 , Hosein Alidadi 2 , Sedigheh Majidian 3 , Najmeh Afshar kohan 4
1- 1. Department of Environmental Health Engineering, School of Health, Social Development & Health Promotion Research Center, Gonabad University of Medical Sciences, Gonabad, Iran.
2- Department of Environmental Health Engineering, Social Determinants of Health Research Center, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
3- Department of Environmental Health Engineering, Gonabad University of Medical Sciences, Gonabad, Iran
4- Department of Environmental Health Engineering, Gonabad University of Medical Sciences, Gonabad, Iran , n.afsharkohan@gmail.com
Abstract:   (234 Views)
Introduction
Today, synthetic Dye are extensively used different industries such as textiles, pulp, leather, food and cosmetic. Doys contained wastewater to prevent environmental consequences of must be treated effectively. The present work aimed to investigate the potential application of water treatment ferric sludge in the removal of Methylene blue (MB).
Materials and Methods
The present experimental work was done on aqueous synthetic samples and in batch sorption mode. The effects of operating variables (pH, dose, contact time, an initial concentration of color), as well as kinetic and isotherm studies also included in this work. The adsorbent was prepared by drying the waste sludge treatment plant at 105C °.
Results
The maximum MB removal of was observed at a pH of 11, a contact time of 90 minutes, absorbance dose of 4 g/L and 25 mg/L of methylene blue. The conformity of kinetic and equilibrium data by psedu-second order kinetic and Freundlich models demonstrate that the adsorption occurs in heterogeneous and multi-layer.
Conclusion
The experimental studies demonstrate the potential use of dried ferric sludge in methylene blue removal from contaminated samples.
Keywords: ferric chloride sludge, methylene blue, Kinetic, Isotherm, Absorption
Full-Text [PDF 1509 kb]   (48 Downloads)    
Type of Study: Orginal Article | Subject: Environmental Health
Received: 2018/01/4 | Accepted: 2018/10/4 | Published: 2018/12/27
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Afsharnia M, shams M, Dehghan A D, Alidadi H, majidian S, Afshar kohan N. Methylene blue removal from aqueous solutions using ferric chloride sludge obtained from water treatment plant. J Neyshabur Univ Med Sci. 2019; 6 (4) :78-93
URL: http://journal.nums.ac.ir/article-1-472-en.html


Volume 6, Issue 4 (Vol.6, No.4,winter 2019) Back to browse issues page
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