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A Kinetic Model for Pb2+ Flotation with Sodium Dodecylsulfate in a Batch Column
The flotation kinetics of Pb 2+ ion with sodium dodecylsulfate (SDS) was studied with the aim of validating a model developed based on the considerations presented by Nicol et al. 1 . The study was conducted under experimental conditions similar to those used by Liu and Doyle 2 , namely, 1 L of solu...
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Published in: | Separation science and technology 2005-11, Vol.40 (15), p.3225-3237 |
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creator | Uribe-Salas, A. Pérez-Garibay, R. Nava-Alonso, F. Castro-Román, M. |
description | The flotation kinetics of Pb
2+
ion with sodium dodecylsulfate (SDS) was studied with the aim of validating a model developed based on the considerations presented by Nicol et al.
1
. The study was conducted under experimental conditions similar to those used by Liu and Doyle
2
, namely, 1 L of solution at pH=4 containing 1×10
−4
M Pb
2+
and 0.4% v/v ethanol as frother; the metal:collector molar ratio was varied from 1:1 to 1:4. The experiments were performed in a 0.057 m diameter column using an air flow rate in the range of 6.1×10
−5
to 12.2×10
−5
m
3
/min. Results show the kinetics of the flotation is first order with respect to collector concentration (SDS), with a rate constant directly depending on the bubble surface area rate (A
b
, m
2
/min), the slope of the adsorption isotherm of the surfactant onto the bubble-liquid interface (a), and cross-sectional area of the flotation cell (A), and inversely depending on the volume of the (well-mixed) lead-bearing solution. |
doi_str_mv | 10.1080/01496390500385426 |
format | article |
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2+
ion with sodium dodecylsulfate (SDS) was studied with the aim of validating a model developed based on the considerations presented by Nicol et al.
1
. The study was conducted under experimental conditions similar to those used by Liu and Doyle
2
, namely, 1 L of solution at pH=4 containing 1×10
−4
M Pb
2+
and 0.4% v/v ethanol as frother; the metal:collector molar ratio was varied from 1:1 to 1:4. The experiments were performed in a 0.057 m diameter column using an air flow rate in the range of 6.1×10
−5
to 12.2×10
−5
m
3
/min. Results show the kinetics of the flotation is first order with respect to collector concentration (SDS), with a rate constant directly depending on the bubble surface area rate (A
b
, m
2
/min), the slope of the adsorption isotherm of the surfactant onto the bubble-liquid interface (a), and cross-sectional area of the flotation cell (A), and inversely depending on the volume of the (well-mixed) lead-bearing solution.</description><identifier>ISSN: 0149-6395</identifier><identifier>EISSN: 1520-5754</identifier><identifier>DOI: 10.1080/01496390500385426</identifier><language>eng</language><publisher>Taylor & Francis Group</publisher><subject>batch column ; Flotation ; kinetic model ; sodium dodecylsulfate</subject><ispartof>Separation science and technology, 2005-11, Vol.40 (15), p.3225-3237</ispartof><rights>Copyright Taylor & Francis Group, LLC 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Uribe-Salas, A.</creatorcontrib><creatorcontrib>Pérez-Garibay, R.</creatorcontrib><creatorcontrib>Nava-Alonso, F.</creatorcontrib><creatorcontrib>Castro-Román, M.</creatorcontrib><title>A Kinetic Model for Pb2+ Flotation with Sodium Dodecylsulfate in a Batch Column</title><title>Separation science and technology</title><description>The flotation kinetics of Pb
2+
ion with sodium dodecylsulfate (SDS) was studied with the aim of validating a model developed based on the considerations presented by Nicol et al.
1
. The study was conducted under experimental conditions similar to those used by Liu and Doyle
2
, namely, 1 L of solution at pH=4 containing 1×10
−4
M Pb
2+
and 0.4% v/v ethanol as frother; the metal:collector molar ratio was varied from 1:1 to 1:4. The experiments were performed in a 0.057 m diameter column using an air flow rate in the range of 6.1×10
−5
to 12.2×10
−5
m
3
/min. Results show the kinetics of the flotation is first order with respect to collector concentration (SDS), with a rate constant directly depending on the bubble surface area rate (A
b
, m
2
/min), the slope of the adsorption isotherm of the surfactant onto the bubble-liquid interface (a), and cross-sectional area of the flotation cell (A), and inversely depending on the volume of the (well-mixed) lead-bearing solution.</description><subject>batch column</subject><subject>Flotation</subject><subject>kinetic model</subject><subject>sodium dodecylsulfate</subject><issn>0149-6395</issn><issn>1520-5754</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkLFOwzAURS0EEqXwAWyeWFDg2Y4dW2IphQKiqEjAHLmOoxo5McSOSv-eVGXrwHSHd86T7kXonMAVAQnXQHIlmAIOwCTPqThAI8IpZLzg-SEabe_ZAPBjdBLjJwBIrtQILSb42bU2OYNfQmU9rkOHX5f0Es98SDq50OK1Syv8FirXN_hugMzGx97XOlnsWqzxrU5mhafB9017io5q7aM9-8sx-pjdv08fs_ni4Wk6mWeOkiJlhTRC80JDUTHDlNYFq0DmlBJhjbC1MLKWihFChalqZmUllowRKRQ3hiwrNkYXu79fXfjubUxl46Kx3uvWhj6WVHEBisAA3uxA1w7VGr0Ona_KpDc-dHWnW-NiyQiU2xXLvRUHvfhX37PK9JPYL3w8dmo</recordid><startdate>20051101</startdate><enddate>20051101</enddate><creator>Uribe-Salas, A.</creator><creator>Pérez-Garibay, R.</creator><creator>Nava-Alonso, F.</creator><creator>Castro-Román, M.</creator><general>Taylor & Francis Group</general><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20051101</creationdate><title>A Kinetic Model for Pb2+ Flotation with Sodium Dodecylsulfate in a Batch Column</title><author>Uribe-Salas, A. ; Pérez-Garibay, R. ; Nava-Alonso, F. ; Castro-Román, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i217t-78c6a57a07d3c39aa73d0842216ec6ef6c8f8931126cdf3e8d6b3318695cc1bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>batch column</topic><topic>Flotation</topic><topic>kinetic model</topic><topic>sodium dodecylsulfate</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Uribe-Salas, A.</creatorcontrib><creatorcontrib>Pérez-Garibay, R.</creatorcontrib><creatorcontrib>Nava-Alonso, F.</creatorcontrib><creatorcontrib>Castro-Román, M.</creatorcontrib><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Separation science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Uribe-Salas, A.</au><au>Pérez-Garibay, R.</au><au>Nava-Alonso, F.</au><au>Castro-Román, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Kinetic Model for Pb2+ Flotation with Sodium Dodecylsulfate in a Batch Column</atitle><jtitle>Separation science and technology</jtitle><date>2005-11-01</date><risdate>2005</risdate><volume>40</volume><issue>15</issue><spage>3225</spage><epage>3237</epage><pages>3225-3237</pages><issn>0149-6395</issn><eissn>1520-5754</eissn><abstract>The flotation kinetics of Pb
2+
ion with sodium dodecylsulfate (SDS) was studied with the aim of validating a model developed based on the considerations presented by Nicol et al.
1
. The study was conducted under experimental conditions similar to those used by Liu and Doyle
2
, namely, 1 L of solution at pH=4 containing 1×10
−4
M Pb
2+
and 0.4% v/v ethanol as frother; the metal:collector molar ratio was varied from 1:1 to 1:4. The experiments were performed in a 0.057 m diameter column using an air flow rate in the range of 6.1×10
−5
to 12.2×10
−5
m
3
/min. Results show the kinetics of the flotation is first order with respect to collector concentration (SDS), with a rate constant directly depending on the bubble surface area rate (A
b
, m
2
/min), the slope of the adsorption isotherm of the surfactant onto the bubble-liquid interface (a), and cross-sectional area of the flotation cell (A), and inversely depending on the volume of the (well-mixed) lead-bearing solution.</abstract><pub>Taylor & Francis Group</pub><doi>10.1080/01496390500385426</doi><tpages>13</tpages></addata></record> |
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source | Taylor and Francis Science and Technology Collection |
subjects | batch column Flotation kinetic model sodium dodecylsulfate |
title | A Kinetic Model for Pb2+ Flotation with Sodium Dodecylsulfate in a Batch Column |
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