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   Study of added starch on characteristics of flat ceramic microfiltration membrane made from natural Moroccan pozzolan  
   
نویسنده achiou b. ,elomari h. ,ouammou m. ,albizane a. ,bennazha j. ,aaddane a. ,younssi s. alami ,el hassani i. el amrani
منبع journal of materials and environmental science - 2018 - دوره : 9 - شماره : 3 - صفحه:1013 -1021
چکیده    This work was conducted to evaluate the starch addition on some physical characteristics of flat ceramic microfiltration membranes made from moroccan pozzolan. natural pozzolan was characterized by x-ray fluorescence, x-ray diffraction and thermo-gravimetric analysis. the starch was added as porosity agent and its amount was varied from 0 to 20 wt.%. membranes were prepared by dry process using uniaxial pressing method and followed by sintering at temperature of 950 °c. obtained membranes were characterized by scanning electron microscopy, water porosity, mechanical strength, and water permeability. the experimental results indicate that addition of starch to natural pozzolan increases the porosity, pore size, and permeability of the membrane but accompanied by a decrease of the flexural mechanical strength. the promising aspect of the obtained results allowed using these membranes as filters for clarification of local industrial textile effluent.
کلیدواژه Natural pozzolan ,ceramic membrane ,Starch ,Microfiltration ,Textile effluent
آدرس university of hassan ii, faculty of sciences and technologies mohammedia, laboratory of materials membranes and environment, department of chemistry, Morocco, university of hassan ii, faculty of sciences and technologies mohammedia, laboratory of materials membranes and environment, department of chemistry, Morocco, university of hassan ii, faculty of sciences and technologies mohammedia, laboratory of materials membranes and environment, department of chemistry, Morocco, university of hassan ii, faculty of sciences and technologies mohammedia, laboratory of materials membranes and environment, department of chemistry, Morocco, university of hassan ii, faculty of sciences and technologies mohammedia, laboratory of materials membranes and environment, department of chemistry, Morocco, university of hassan ii, faculty of sciences and technologies mohammedia, laboratory of materials membranes and environment, department of chemistry, Morocco, university of hassan ii, faculty of sciences and technologies mohammedia, laboratory of materials membranes and environment, department of chemistry, Morocco, university mohammed v agdal, scientific institute, department of earth sciences, Morocco
 
     
   
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