Extraction separation in mixer–settlers based on phase inversion
A mixer–settler unit where coalescence is promoted by means of the phase inversion method is studied (MSPI). Using an acidic aqueous solution and LIX 984 in kerosene, the influence of the total flow rate, the aqueous/organic phase ratio and the hydrodynamic conditions in the nozzles of the orifice p...
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| Veröffentlicht in: | Separation and purification technology 2005-06, Vol.43 (3), p.257-262 |
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| creator | Hadjiev, Dimiter Paulo, J.B.A. |
| description | A mixer–settler unit where coalescence is promoted by means of the phase inversion method is studied (MSPI). Using an acidic aqueous solution and LIX 984 in kerosene, the influence of the total flow rate, the aqueous/organic phase ratio and the hydrodynamic conditions in the nozzles of the orifice plate on both extraction and separation efficiencies are studied. The effects of the phase ratio, relative velocity and hold-up on both extraction and separation processes are outlined. An empirical correlation is proposed to predict the separation efficiency of a MSPI unit at high organic phase fractions (
ϕ). It is compared to the recently developed correlation
[6] for diluted liquid–liquid dispersions. The study allows the design of separation devices in mixer–settler units based on phase inversion. The results show the possibilities to attain high separation efficiencies even at high specific throughputs (in the range 20–39
m
3/m
2
h). |
| doi_str_mv | 10.1016/j.seppur.2004.11.006 |
| format | Article |
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ϕ). It is compared to the recently developed correlation
[6] for diluted liquid–liquid dispersions. The study allows the design of separation devices in mixer–settler units based on phase inversion. The results show the possibilities to attain high separation efficiencies even at high specific throughputs (in the range 20–39
m
3/m
2
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ϕ). It is compared to the recently developed correlation
[6] for diluted liquid–liquid dispersions. The study allows the design of separation devices in mixer–settler units based on phase inversion. The results show the possibilities to attain high separation efficiencies even at high specific throughputs (in the range 20–39
m
3/m
2
h).</description><subject>Applied sciences</subject><subject>Chemical engineering</subject><subject>Drop size</subject><subject>Exact sciences and technology</subject><subject>Hydrodynamics of contact apparatus</subject><subject>Mixer–settler</subject><subject>Phase inversion</subject><subject>Phase ratio</subject><subject>Separation efficiency</subject><issn>1383-5866</issn><issn>1873-3794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNp9kE1OwzAQhS0EEqVwAxbZwC7BThzb2SABKj9SJTawtsbORLhKk2CnVdlxB27ISXBpJXas5mnmmzeaR8g5oxmjTFwtsoDDsPJZTinPGMsoFQdkwpQs0kJW_DDqQhVpqYQ4JichLChlkql8Qm5nm9GDHV3fJdEEPPxK1yVLt0H__fkVcBxb9CExELBO4nB4iyoi69iN8Ck5aqANeLavU_J6P3u5e0znzw9Pdzfz1HLKxxQLKaTigkomqUCAWtKq5gYVKGisKGoja0BjhCklKEZNySuhQJqCNzk3xZRc7nwH37-vMIx66YLFtoUO-1XQuRK8pLyKIN-B1vcheGz04N0S_IdmVG8D0wu9C0xvA9OM6RhYXLvY-0Ow0DYeOuvC366QZamqMnLXOw7js2uHXgfrsLNYO4921HXv_j_0A2L-hTA</recordid><startdate>20050601</startdate><enddate>20050601</enddate><creator>Hadjiev, Dimiter</creator><creator>Paulo, J.B.A.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20050601</creationdate><title>Extraction separation in mixer–settlers based on phase inversion</title><author>Hadjiev, Dimiter ; Paulo, J.B.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c404t-e3767846071706eaad709d4be8a8afc63db7daebb6b57a810b54968a7b34f24b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Applied sciences</topic><topic>Chemical engineering</topic><topic>Drop size</topic><topic>Exact sciences and technology</topic><topic>Hydrodynamics of contact apparatus</topic><topic>Mixer–settler</topic><topic>Phase inversion</topic><topic>Phase ratio</topic><topic>Separation efficiency</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hadjiev, Dimiter</creatorcontrib><creatorcontrib>Paulo, J.B.A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Separation and purification technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hadjiev, Dimiter</au><au>Paulo, J.B.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extraction separation in mixer–settlers based on phase inversion</atitle><jtitle>Separation and purification technology</jtitle><date>2005-06-01</date><risdate>2005</risdate><volume>43</volume><issue>3</issue><spage>257</spage><epage>262</epage><pages>257-262</pages><issn>1383-5866</issn><eissn>1873-3794</eissn><abstract>A mixer–settler unit where coalescence is promoted by means of the phase inversion method is studied (MSPI). Using an acidic aqueous solution and LIX 984 in kerosene, the influence of the total flow rate, the aqueous/organic phase ratio and the hydrodynamic conditions in the nozzles of the orifice plate on both extraction and separation efficiencies are studied. The effects of the phase ratio, relative velocity and hold-up on both extraction and separation processes are outlined. An empirical correlation is proposed to predict the separation efficiency of a MSPI unit at high organic phase fractions (
ϕ). It is compared to the recently developed correlation
[6] for diluted liquid–liquid dispersions. The study allows the design of separation devices in mixer–settler units based on phase inversion. The results show the possibilities to attain high separation efficiencies even at high specific throughputs (in the range 20–39
m
3/m
2
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| fulltext | fulltext |
| identifier | ISSN: 1383-5866 |
| ispartof | Separation and purification technology, 2005-06, Vol.43 (3), p.257-262 |
| issn | 1383-5866 1873-3794 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_28645049 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences Chemical engineering Drop size Exact sciences and technology Hydrodynamics of contact apparatus Mixer–settler Phase inversion Phase ratio Separation efficiency |
| title | Extraction separation in mixer–settlers based on phase inversion |
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