optical method for in situ characterization of fouling during filtration
In dead-end ultrafiltration, in situ characterization of fouling is of great importance to be able to evaluate cake properties during filtration runs. Moreover, local information is necessary to analyze and model the basic mechanisms involved in deposit formation. Many studies have investigated cake...
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| Veröffentlicht in: | AIChE journal 2007-09, Vol.53 (9), p.2265-2274 |
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| creator | Mendret, J Guigui, C Schmitz, P Cabassud, C Duru, P |
| description | In dead-end ultrafiltration, in situ characterization of fouling is of great importance to be able to evaluate cake properties during filtration runs. Moreover, local information is necessary to analyze and model the basic mechanisms involved in deposit formation. Many studies have investigated cake formation on flat-sheet membranes but there is a lack of methods suitable for confined geometries such as inside-out hollow-fiber membranes. This study focuses on development and validation of an optical method using a laser sheet for in situ cake characterization in a narrow channel. The method enables the measurement of time-variations of cross-section cake thickness ranging from 10 μm to hundreds of micrometers with a 3 μm resolution and a 2.5 μm standard deviation. The reproducibility of the results and the order of magnitude are discussed on the basis of experimental results for clay suspensions. Limitations of the method are investigated; in the range of 0-2 g/l for clay suspensions, suspension concentration has no effect. Finally, future applications of the method as a tool for dead-end fouling characterization are considered. © 2007 American Institute of Chemical Engineers AIChE J, 2007 |
| doi_str_mv | 10.1002/aic.11257 |
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Moreover, local information is necessary to analyze and model the basic mechanisms involved in deposit formation. Many studies have investigated cake formation on flat-sheet membranes but there is a lack of methods suitable for confined geometries such as inside-out hollow-fiber membranes. This study focuses on development and validation of an optical method using a laser sheet for in situ cake characterization in a narrow channel. The method enables the measurement of time-variations of cross-section cake thickness ranging from 10 μm to hundreds of micrometers with a 3 μm resolution and a 2.5 μm standard deviation. The reproducibility of the results and the order of magnitude are discussed on the basis of experimental results for clay suspensions. Limitations of the method are investigated; in the range of 0-2 g/l for clay suspensions, suspension concentration has no effect. 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Moreover, local information is necessary to analyze and model the basic mechanisms involved in deposit formation. Many studies have investigated cake formation on flat-sheet membranes but there is a lack of methods suitable for confined geometries such as inside-out hollow-fiber membranes. This study focuses on development and validation of an optical method using a laser sheet for in situ cake characterization in a narrow channel. The method enables the measurement of time-variations of cross-section cake thickness ranging from 10 μm to hundreds of micrometers with a 3 μm resolution and a 2.5 μm standard deviation. The reproducibility of the results and the order of magnitude are discussed on the basis of experimental results for clay suspensions. Limitations of the method are investigated; in the range of 0-2 g/l for clay suspensions, suspension concentration has no effect. Finally, future applications of the method as a tool for dead-end fouling characterization are considered. © 2007 American Institute of Chemical Engineers AIChE J, 2007</description><subject>Applied sciences</subject><subject>Chemical and Process Engineering</subject><subject>Chemical engineering</subject><subject>dead-end ultrafiltration</subject><subject>Engineering Sciences</subject><subject>Exact sciences and technology</subject><subject>Filtration</subject><subject>hollow-fiber</subject><subject>in situ measurement</subject><subject>Liquid-liquid and fluid-solid mechanical separations</subject><subject>Membrane separation</subject><subject>Membrane separation (reverse osmosis, dialysis...)</subject><subject>membranes</subject><subject>optical method</subject><subject>Optics</subject><subject>particle fouling</subject><subject>Sedimentation & deposition</subject><subject>Standard deviation</subject><issn>0001-1541</issn><issn>1547-5905</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp1kE1v1DAQhi0EEkvhwC8gQgKph7Qz9jqOj6sV7FasyoHycbMcx-66ZOPFTqDl1-NtSishcRrNzDPvzLyEvEQ4QQB6qr05QaRcPCIz5HNRcgn8MZkBAJa5gE_Js5SuckZFTWdkHfaDN7ordnbYhrZwIRa-L5IfxsJsddRmsNH_1oMPfRFc7o-d7y-LdoyH4Hw3xNvmc_LE6S7ZF3fxiFy8f3exXJebj6uz5WJTGo5SlCjmBh2IhgOT2NrK1FhLIZu2Am1awTVlTW0b29JKNo4y27TQYq5yR51hR-R4kt3qTu2j3-l4o4L2ar3YqEMNKMM6f_sTM_t2Yvcx_BhtGtTOJ2O7Tvc2jEkxgDlyJjL4-h_wKoyxz28olJLVInv1sNnEkFK07n49gjp4r7L36tb7zL65E9Qpm-ui7o1PDwN1Vq3qw4WnE_fLd_bm_4Jqcbb8q1xOEz4N9vp-QsfvqhJMcPX1fKVW8AG-rJff1HnmX02800Hpy5iv-PyJAubfhRRVJdkf90upig</recordid><startdate>200709</startdate><enddate>200709</enddate><creator>Mendret, J</creator><creator>Guigui, C</creator><creator>Schmitz, P</creator><creator>Cabassud, C</creator><creator>Duru, P</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley Subscription Services</general><general>American Institute of Chemical Engineers</general><general>Wiley</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7U5</scope><scope>8FD</scope><scope>C1K</scope><scope>L7M</scope><scope>SOI</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-9171-8266</orcidid><orcidid>https://orcid.org/0000-0001-7554-8490</orcidid><orcidid>https://orcid.org/0009-0007-1446-3638</orcidid></search><sort><creationdate>200709</creationdate><title>optical method for in situ characterization of fouling during filtration</title><author>Mendret, J ; Guigui, C ; Schmitz, P ; Cabassud, C ; Duru, P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5197-174c1f07b50391de6c818979bd60acd75a23b8ebed269bf23ebd0d1a235f2fc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>Chemical and Process Engineering</topic><topic>Chemical engineering</topic><topic>dead-end ultrafiltration</topic><topic>Engineering Sciences</topic><topic>Exact sciences and technology</topic><topic>Filtration</topic><topic>hollow-fiber</topic><topic>in situ measurement</topic><topic>Liquid-liquid and fluid-solid mechanical separations</topic><topic>Membrane separation</topic><topic>Membrane separation (reverse osmosis, dialysis...)</topic><topic>membranes</topic><topic>optical method</topic><topic>Optics</topic><topic>particle fouling</topic><topic>Sedimentation & deposition</topic><topic>Standard deviation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mendret, J</creatorcontrib><creatorcontrib>Guigui, C</creatorcontrib><creatorcontrib>Schmitz, P</creatorcontrib><creatorcontrib>Cabassud, C</creatorcontrib><creatorcontrib>Duru, P</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>AIChE journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mendret, J</au><au>Guigui, C</au><au>Schmitz, P</au><au>Cabassud, C</au><au>Duru, P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>optical method for in situ characterization of fouling during filtration</atitle><jtitle>AIChE journal</jtitle><addtitle>AIChE J</addtitle><date>2007-09</date><risdate>2007</risdate><volume>53</volume><issue>9</issue><spage>2265</spage><epage>2274</epage><pages>2265-2274</pages><issn>0001-1541</issn><eissn>1547-5905</eissn><coden>AICEAC</coden><abstract>In dead-end ultrafiltration, in situ characterization of fouling is of great importance to be able to evaluate cake properties during filtration runs. Moreover, local information is necessary to analyze and model the basic mechanisms involved in deposit formation. Many studies have investigated cake formation on flat-sheet membranes but there is a lack of methods suitable for confined geometries such as inside-out hollow-fiber membranes. This study focuses on development and validation of an optical method using a laser sheet for in situ cake characterization in a narrow channel. The method enables the measurement of time-variations of cross-section cake thickness ranging from 10 μm to hundreds of micrometers with a 3 μm resolution and a 2.5 μm standard deviation. The reproducibility of the results and the order of magnitude are discussed on the basis of experimental results for clay suspensions. Limitations of the method are investigated; in the range of 0-2 g/l for clay suspensions, suspension concentration has no effect. Finally, future applications of the method as a tool for dead-end fouling characterization are considered. © 2007 American Institute of Chemical Engineers AIChE J, 2007</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/aic.11257</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-9171-8266</orcidid><orcidid>https://orcid.org/0000-0001-7554-8490</orcidid><orcidid>https://orcid.org/0009-0007-1446-3638</orcidid></addata></record> |
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| subjects | Applied sciences Chemical and Process Engineering Chemical engineering dead-end ultrafiltration Engineering Sciences Exact sciences and technology Filtration hollow-fiber in situ measurement Liquid-liquid and fluid-solid mechanical separations Membrane separation Membrane separation (reverse osmosis, dialysis...) membranes optical method Optics particle fouling Sedimentation & deposition Standard deviation |
| title | optical method for in situ characterization of fouling during filtration |
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