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Microfiltration of Cationic Dyes Using Nano-clay Membranes by S. Foorginezhad; M.M. Zerafat is a Materials Science article available to read on EtoBox.
What is Microfiltration of Cationic Dyes Using Nano-clay Membranes about?
Water resources cover 70% of earth surface with only 3% as fresh and the remaining frozen or unavailable. As a result, water and wastewater treatment have attracted a great deal of attention during last decades. Among various pollutants, dyes in textile wastewaters can have serious impacts on the environment. In the present study, low-cost ceramic nano-clay microfiltration membranes with low sintering temperature were fabricated via dry pressing, with natural zeolite as pore former. Flat disks were fabricated by sintering a mixture with various proportions of clay, zeolite and polyethylene glycol at 900°C and characterized using FE-SEM, open porosity test, zeta potential, water permeability and acid-base treatment. Also, Membrane porosity was enhanced by increasing the zeolite content reaching 30.2% at 30wt% and then decreased. The 30% zeolite membrane was selected for microfiltration of methylene blue, crystal violet and methyl orange from aqueous solutions. Initial and time filtered solution concentrations for each dye were measured using a UV–visible spectrophotometer. Methylene blue and crystal violet are cationic dyes due to the presence of NC(CH)3 + while SO3 - makes methyl o
Who reads Microfiltration of Cationic Dyes Using Nano-clay Membranes?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- S. Foorginezhad; M.M. Zerafat
- Publisher
- Elsevier BV
- Published
- 2017
- Language
- EN
- Field
- Materials Science (Physical Sciences)