Fabrication and properties of low cost ceramic microfiltration membranes for separation of oil and bacteria from its solution
► Low cost raw materials were used for fabrication of ceramic microfiltration membranes instead of expensive raw materials (alumina, zirconia, titania, etc.). ► Organic solvent permeation study revealed that the prepared membrane was hydrophobic in nature ► A maximum rejection of 85% for oil and 99%...
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description | ► Low cost raw materials were used for fabrication of ceramic microfiltration membranes instead of expensive raw materials (alumina, zirconia, titania, etc.). ► Organic solvent permeation study revealed that the prepared membrane was hydrophobic in nature ► A maximum rejection of 85% for oil and 99% for bacteria with good permeate flux was achieved.
This work addresses the development of low cost ceramic microfiltration membrane from inexpensive raw materials such as kaolin, quartz, calcium carbonate using uniaxial dry compaction method. The prepared membranes were sintered at different temperatures ranging between 900 and 1000
°C. The raw materials and the prepared membranes were characterized with thermogravimetric analysis (TGA), particle size distribution (PSD), X-ray diffraction and scanning electron microscope analysis. Subsequently, the effect of sintering temperature on the membrane properties such as porosity, flexural strength, chemical stability and pure water permeability was investigated and optimized for the sintering temperature. It is observed that with increasing sintering temperature, the porosity of the membranes decreases and the flexural strength, chemical stability and pure water permeability of the membranes increases. The flexural strength and chemical stability of the membranes are found to be excellent. Based on these results, the membrane sintered at 900
°C (porosity of 30%, flexural strength of 34
MPa, average pore size of 1.30
μm) is inferred as an optimum membrane for microfiltration applications. Solvent permeation studies have also been carried out for the membrane sintered at 900
°C and the results infer that the membrane is hydrophobic in nature. Further, the membrane is subjected to oil–water emulsion and bacteria separation experiments. The observed rejection decreased with an increase in the applied pressure and increased with an increase in the concentration of oil and bacteria, respectively. The results show a maximum rejection of 85% and 99% for oil (feed oil concentration of 250
mg/L) and bacteria (feed bacteria concentration of 6
×
10
5
CFU/mL), respectively. |
doi_str_mv | 10.1016/j.memsci.2011.05.050 |
format | Article |
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This work addresses the development of low cost ceramic microfiltration membrane from inexpensive raw materials such as kaolin, quartz, calcium carbonate using uniaxial dry compaction method. The prepared membranes were sintered at different temperatures ranging between 900 and 1000
°C. The raw materials and the prepared membranes were characterized with thermogravimetric analysis (TGA), particle size distribution (PSD), X-ray diffraction and scanning electron microscope analysis. Subsequently, the effect of sintering temperature on the membrane properties such as porosity, flexural strength, chemical stability and pure water permeability was investigated and optimized for the sintering temperature. It is observed that with increasing sintering temperature, the porosity of the membranes decreases and the flexural strength, chemical stability and pure water permeability of the membranes increases. The flexural strength and chemical stability of the membranes are found to be excellent. Based on these results, the membrane sintered at 900
°C (porosity of 30%, flexural strength of 34
MPa, average pore size of 1.30
μm) is inferred as an optimum membrane for microfiltration applications. Solvent permeation studies have also been carried out for the membrane sintered at 900
°C and the results infer that the membrane is hydrophobic in nature. Further, the membrane is subjected to oil–water emulsion and bacteria separation experiments. The observed rejection decreased with an increase in the applied pressure and increased with an increase in the concentration of oil and bacteria, respectively. The results show a maximum rejection of 85% and 99% for oil (feed oil concentration of 250
mg/L) and bacteria (feed bacteria concentration of 6
×
10
5
CFU/mL), respectively.</description><identifier>ISSN: 0376-7388</identifier><identifier>EISSN: 1873-3123</identifier><identifier>DOI: 10.1016/j.memsci.2011.05.050</identifier><identifier>CODEN: JMESDO</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>artificial membranes ; Bacteria ; calcium carbonate ; Ceramic membrane ; ceramics ; Chemistry ; Colloidal state and disperse state ; emulsions ; Emulsions. Microemulsions. Foams ; Exact sciences and technology ; General and physical chemistry ; hydrophobicity ; kaolin ; Membranes ; Microfiltration ; oils ; Oil–water emulsion ; particle size distribution ; permeability ; porosity ; Porous materials ; quartz ; raw materials ; scanning electron microscopes ; solvents ; temperature ; thermogravimetry ; X-ray diffraction</subject><ispartof>Journal of membrane science, 2011-09, Vol.379 (1), p.154-163</ispartof><rights>2011 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c492t-c8f6470900c1c1d0edb07d49561c91db00352ad97d5e938e32e428b9cd62bd5e3</citedby><cites>FETCH-LOGICAL-c492t-c8f6470900c1c1d0edb07d49561c91db00352ad97d5e938e32e428b9cd62bd5e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.memsci.2011.05.050$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24428263$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Vasanth, D.</creatorcontrib><creatorcontrib>Pugazhenthi, G.</creatorcontrib><creatorcontrib>Uppaluri, R.</creatorcontrib><title>Fabrication and properties of low cost ceramic microfiltration membranes for separation of oil and bacteria from its solution</title><title>Journal of membrane science</title><description>► Low cost raw materials were used for fabrication of ceramic microfiltration membranes instead of expensive raw materials (alumina, zirconia, titania, etc.). ► Organic solvent permeation study revealed that the prepared membrane was hydrophobic in nature ► A maximum rejection of 85% for oil and 99% for bacteria with good permeate flux was achieved.
This work addresses the development of low cost ceramic microfiltration membrane from inexpensive raw materials such as kaolin, quartz, calcium carbonate using uniaxial dry compaction method. The prepared membranes were sintered at different temperatures ranging between 900 and 1000
°C. The raw materials and the prepared membranes were characterized with thermogravimetric analysis (TGA), particle size distribution (PSD), X-ray diffraction and scanning electron microscope analysis. Subsequently, the effect of sintering temperature on the membrane properties such as porosity, flexural strength, chemical stability and pure water permeability was investigated and optimized for the sintering temperature. It is observed that with increasing sintering temperature, the porosity of the membranes decreases and the flexural strength, chemical stability and pure water permeability of the membranes increases. The flexural strength and chemical stability of the membranes are found to be excellent. Based on these results, the membrane sintered at 900
°C (porosity of 30%, flexural strength of 34
MPa, average pore size of 1.30
μm) is inferred as an optimum membrane for microfiltration applications. Solvent permeation studies have also been carried out for the membrane sintered at 900
°C and the results infer that the membrane is hydrophobic in nature. Further, the membrane is subjected to oil–water emulsion and bacteria separation experiments. The observed rejection decreased with an increase in the applied pressure and increased with an increase in the concentration of oil and bacteria, respectively. The results show a maximum rejection of 85% and 99% for oil (feed oil concentration of 250
mg/L) and bacteria (feed bacteria concentration of 6
×
10
5
CFU/mL), respectively.</description><subject>artificial membranes</subject><subject>Bacteria</subject><subject>calcium carbonate</subject><subject>Ceramic membrane</subject><subject>ceramics</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>emulsions</subject><subject>Emulsions. Microemulsions. Foams</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>hydrophobicity</subject><subject>kaolin</subject><subject>Membranes</subject><subject>Microfiltration</subject><subject>oils</subject><subject>Oil–water emulsion</subject><subject>particle size distribution</subject><subject>permeability</subject><subject>porosity</subject><subject>Porous materials</subject><subject>quartz</subject><subject>raw materials</subject><subject>scanning electron microscopes</subject><subject>solvents</subject><subject>temperature</subject><subject>thermogravimetry</subject><subject>X-ray diffraction</subject><issn>0376-7388</issn><issn>1873-3123</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqNkcGKFDEQhhtRcFz3DQRzEbz0WEm608lFkMV1Fxb2sLvnkE5XJEP3ZEwyigff3Rp78ChCFSHJ91dV_jTNGw5bDlx92G0XXIqPWwGcb6GngGfNhutBtpIL-bzZgBxUO0itXzavStkB8AG02TS_rt2Yo3c1pj1z-4kdcjpgrhELS4HN6QfzqVTmMbslekaZU4hzzauEGo_Z7YkOKbOCB3e-IHGK85-So_MVc3Qs5LSwWAsraT6eqNfNi-Dmgpfn9aJ5uv78eHXT3t1_ub36dNf6zojaeh1UN4AB8NzzCXAaYZg60yvuDacNyF64yQxTj0ZqlAI7oUfjJyVGOpMXzfu1Lr3u2xFLtUssHueZJk_HYsnFjlJw818oGN33mtBuRcmSUjIGe8hxcfknQSdO2Z1dP8aePsZCTwEke3fu4Ip3cyD7fCx_taKj2YWSxL1dueCSdV8zMU8PVEgBgAbVcSI-rgSSd98jZku9cO9xihl9tVOK_x7lN7JosIA</recordid><startdate>20110901</startdate><enddate>20110901</enddate><creator>Vasanth, D.</creator><creator>Pugazhenthi, G.</creator><creator>Uppaluri, R.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7QL</scope><scope>7T7</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H97</scope><scope>L.G</scope><scope>P64</scope></search><sort><creationdate>20110901</creationdate><title>Fabrication and properties of low cost ceramic microfiltration membranes for separation of oil and bacteria from its solution</title><author>Vasanth, D. ; Pugazhenthi, G. ; Uppaluri, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c492t-c8f6470900c1c1d0edb07d49561c91db00352ad97d5e938e32e428b9cd62bd5e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>artificial membranes</topic><topic>Bacteria</topic><topic>calcium carbonate</topic><topic>Ceramic membrane</topic><topic>ceramics</topic><topic>Chemistry</topic><topic>Colloidal state and disperse state</topic><topic>emulsions</topic><topic>Emulsions. Microemulsions. Foams</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>hydrophobicity</topic><topic>kaolin</topic><topic>Membranes</topic><topic>Microfiltration</topic><topic>oils</topic><topic>Oil–water emulsion</topic><topic>particle size distribution</topic><topic>permeability</topic><topic>porosity</topic><topic>Porous materials</topic><topic>quartz</topic><topic>raw materials</topic><topic>scanning electron microscopes</topic><topic>solvents</topic><topic>temperature</topic><topic>thermogravimetry</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vasanth, D.</creatorcontrib><creatorcontrib>Pugazhenthi, G.</creatorcontrib><creatorcontrib>Uppaluri, R.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of membrane science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vasanth, D.</au><au>Pugazhenthi, G.</au><au>Uppaluri, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fabrication and properties of low cost ceramic microfiltration membranes for separation of oil and bacteria from its solution</atitle><jtitle>Journal of membrane science</jtitle><date>2011-09-01</date><risdate>2011</risdate><volume>379</volume><issue>1</issue><spage>154</spage><epage>163</epage><pages>154-163</pages><issn>0376-7388</issn><eissn>1873-3123</eissn><coden>JMESDO</coden><abstract>► Low cost raw materials were used for fabrication of ceramic microfiltration membranes instead of expensive raw materials (alumina, zirconia, titania, etc.). ► Organic solvent permeation study revealed that the prepared membrane was hydrophobic in nature ► A maximum rejection of 85% for oil and 99% for bacteria with good permeate flux was achieved.
This work addresses the development of low cost ceramic microfiltration membrane from inexpensive raw materials such as kaolin, quartz, calcium carbonate using uniaxial dry compaction method. The prepared membranes were sintered at different temperatures ranging between 900 and 1000
°C. The raw materials and the prepared membranes were characterized with thermogravimetric analysis (TGA), particle size distribution (PSD), X-ray diffraction and scanning electron microscope analysis. Subsequently, the effect of sintering temperature on the membrane properties such as porosity, flexural strength, chemical stability and pure water permeability was investigated and optimized for the sintering temperature. It is observed that with increasing sintering temperature, the porosity of the membranes decreases and the flexural strength, chemical stability and pure water permeability of the membranes increases. The flexural strength and chemical stability of the membranes are found to be excellent. Based on these results, the membrane sintered at 900
°C (porosity of 30%, flexural strength of 34
MPa, average pore size of 1.30
μm) is inferred as an optimum membrane for microfiltration applications. Solvent permeation studies have also been carried out for the membrane sintered at 900
°C and the results infer that the membrane is hydrophobic in nature. Further, the membrane is subjected to oil–water emulsion and bacteria separation experiments. The observed rejection decreased with an increase in the applied pressure and increased with an increase in the concentration of oil and bacteria, respectively. The results show a maximum rejection of 85% and 99% for oil (feed oil concentration of 250
mg/L) and bacteria (feed bacteria concentration of 6
×
10
5
CFU/mL), respectively.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.memsci.2011.05.050</doi><tpages>10</tpages></addata></record> |
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subjects | artificial membranes Bacteria calcium carbonate Ceramic membrane ceramics Chemistry Colloidal state and disperse state emulsions Emulsions. Microemulsions. Foams Exact sciences and technology General and physical chemistry hydrophobicity kaolin Membranes Microfiltration oils Oil–water emulsion particle size distribution permeability porosity Porous materials quartz raw materials scanning electron microscopes solvents temperature thermogravimetry X-ray diffraction |
title | Fabrication and properties of low cost ceramic microfiltration membranes for separation of oil and bacteria from its solution |
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