Modeling of an adsorption unit packed with amidoxime fiber balls for the recovery of uranium from seawater
Amidoxime fiber adsorbents are prepared by treating commercial poly(acrylonitrile) fibers with NH sub 2 OH in methanol and then with an aqueous NaOH solution. The rate of adsorption of uranium from seawater is 0.1-0.3 (g of U/kg of dry fiber)/day. The fiber is placed in 2 cm diameter spherical shell...
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| Veröffentlicht in: | Industrial & engineering chemistry research 1991-01, Vol.30 (1), p.190-196 |
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| creator | Morooka, Shigeharu Kato, Takafumi Inada, Mitsutoshi Kago, Tokihiro Kusakabe, Katsuki |
| description | Amidoxime fiber adsorbents are prepared by treating commercial poly(acrylonitrile) fibers with NH sub 2 OH in methanol and then with an aqueous NaOH solution. The rate of adsorption of uranium from seawater is 0.1-0.3 (g of U/kg of dry fiber)/day. The fiber is placed in 2 cm diameter spherical shells of plastic net, and these fibrous balls are packed in a column. Seawater is assumed to flow through the packed bed by the kinetic force of the ocean current. The permeation velocity of liquid in each ball is evaluated with a small electrode that detects the electrochemical limiting current. When the permeation velocity is slow, most uranyl ions are adsorbed only in the peripheral part of the ball. A model of the packed bed adsorption unit is proposed, and a numerical caculation gives optimum values of design parameters. Graphs. 24 ref.--AA |
| doi_str_mv | 10.1021/ie00049a028 |
| format | Article |
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The rate of adsorption of uranium from seawater is 0.1-0.3 (g of U/kg of dry fiber)/day. The fiber is placed in 2 cm diameter spherical shells of plastic net, and these fibrous balls are packed in a column. Seawater is assumed to flow through the packed bed by the kinetic force of the ocean current. The permeation velocity of liquid in each ball is evaluated with a small electrode that detects the electrochemical limiting current. When the permeation velocity is slow, most uranyl ions are adsorbed only in the peripheral part of the ball. A model of the packed bed adsorption unit is proposed, and a numerical caculation gives optimum values of design parameters. 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Eng. Chem. Res</addtitle><description>Amidoxime fiber adsorbents are prepared by treating commercial poly(acrylonitrile) fibers with NH sub 2 OH in methanol and then with an aqueous NaOH solution. The rate of adsorption of uranium from seawater is 0.1-0.3 (g of U/kg of dry fiber)/day. The fiber is placed in 2 cm diameter spherical shells of plastic net, and these fibrous balls are packed in a column. Seawater is assumed to flow through the packed bed by the kinetic force of the ocean current. The permeation velocity of liquid in each ball is evaluated with a small electrode that detects the electrochemical limiting current. When the permeation velocity is slow, most uranyl ions are adsorbed only in the peripheral part of the ball. A model of the packed bed adsorption unit is proposed, and a numerical caculation gives optimum values of design parameters. Graphs. 24 ref.--AA</description><subject>050400 - Nuclear Fuels- Feed Processing</subject><subject>400105 - Separation Procedures</subject><subject>540330 - Environment, Aquatic- Radioactive Materials Monitoring & Transport- (1990-)</subject><subject>ACTINIDES</subject><subject>ADSORPTION</subject><subject>AMIDES</subject><subject>AMINES</subject><subject>CATALYSTS</subject><subject>CHEMICAL PREPARATION</subject><subject>CHEMICAL REACTION KINETICS</subject><subject>CONTROL</subject><subject>DESIGN</subject><subject>ELECTROCHEMICAL CELLS</subject><subject>ELEMENTS</subject><subject>ENERGY RECOVERY</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>FIBERS</subject><subject>HYDROGEN COMPOUNDS</subject><subject>HYDROXY COMPOUNDS</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>KINETICS</subject><subject>MATHEMATICAL MODELS</subject><subject>METALS</subject><subject>NUCLEAR FUEL CYCLE AND FUEL MATERIALS</subject><subject>ORGANIC COMPOUNDS</subject><subject>ORGANIC NITROGEN COMPOUNDS</subject><subject>OXIMES</subject><subject>OXYGEN COMPOUNDS</subject><subject>PACKED BED</subject><subject>POLLUTION CONTROL</subject><subject>REACTION KINETICS</subject><subject>RECOVERY</subject><subject>SEAWATER</subject><subject>SORBENT RECOVERY SYSTEMS</subject><subject>SORPTION</subject><subject>SYNTHESIS</subject><subject>URANIUM</subject><subject>WATER</subject><subject>WATER POLLUTION CONTROL</subject><issn>0888-5885</issn><issn>1520-5045</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><recordid>eNpt0D1v1TAYhmELgcShdOIPWAwwoFDbiRN7RAXaiiKglNl647zm-DSxT22nH_-eVEEVA9OzXHqGm5BXnL3nTPAjj4yxRgMT6gnZcClYJVkjn5INU0pVUin5nLzIebcwKZtmQ3Zf44CjD79pdBQChSHHtC8-BjoHX-ge7BUO9NaXLYXJD_HOT0id7zHRHsYxUxcTLVukCW28wXT_cDQnCH6eqEtxohnhFgqml-SZgzHj4d89IL8-f7o8Pq3Ov52cHX84r6DWslRCO6nBirpRne1rIUE3GlUjWuBSS-uw7oah1Y3TDVe9ZVi7ru85h77lzGJ9QF6vvzEXb7L1Be3WxhDQFtMy1fJaLujNivYpXs-Yi5l8tjiOEDDO2Qgpupp1bIHvVmhTzDmhM_vkJ0j3hjPzEN38E33R1ap9Lnj3SCFdmbarO2kuv_807Iu-OP148sPwxb9dPdhsdnFOYSnz3-c_fF6QkA</recordid><startdate>19910101</startdate><enddate>19910101</enddate><creator>Morooka, Shigeharu</creator><creator>Kato, Takafumi</creator><creator>Inada, Mitsutoshi</creator><creator>Kago, Tokihiro</creator><creator>Kusakabe, Katsuki</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>OTOTI</scope></search><sort><creationdate>19910101</creationdate><title>Modeling of an adsorption unit packed with amidoxime fiber balls for the recovery of uranium from seawater</title><author>Morooka, Shigeharu ; Kato, Takafumi ; Inada, Mitsutoshi ; Kago, Tokihiro ; Kusakabe, Katsuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a395t-29f59ac23487cb325a949e8426a1595cfe37dd694f9418bc0e3f7bb11ab610ce3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>050400 - Nuclear Fuels- Feed Processing</topic><topic>400105 - Separation Procedures</topic><topic>540330 - Environment, Aquatic- Radioactive Materials Monitoring & Transport- (1990-)</topic><topic>ACTINIDES</topic><topic>ADSORPTION</topic><topic>AMIDES</topic><topic>AMINES</topic><topic>CATALYSTS</topic><topic>CHEMICAL PREPARATION</topic><topic>CHEMICAL REACTION KINETICS</topic><topic>CONTROL</topic><topic>DESIGN</topic><topic>ELECTROCHEMICAL CELLS</topic><topic>ELEMENTS</topic><topic>ENERGY RECOVERY</topic><topic>ENVIRONMENTAL SCIENCES</topic><topic>FIBERS</topic><topic>HYDROGEN COMPOUNDS</topic><topic>HYDROXY COMPOUNDS</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>KINETICS</topic><topic>MATHEMATICAL MODELS</topic><topic>METALS</topic><topic>NUCLEAR FUEL CYCLE AND FUEL MATERIALS</topic><topic>ORGANIC COMPOUNDS</topic><topic>ORGANIC NITROGEN COMPOUNDS</topic><topic>OXIMES</topic><topic>OXYGEN COMPOUNDS</topic><topic>PACKED BED</topic><topic>POLLUTION CONTROL</topic><topic>REACTION KINETICS</topic><topic>RECOVERY</topic><topic>SEAWATER</topic><topic>SORBENT RECOVERY SYSTEMS</topic><topic>SORPTION</topic><topic>SYNTHESIS</topic><topic>URANIUM</topic><topic>WATER</topic><topic>WATER POLLUTION CONTROL</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Morooka, Shigeharu</creatorcontrib><creatorcontrib>Kato, Takafumi</creatorcontrib><creatorcontrib>Inada, Mitsutoshi</creatorcontrib><creatorcontrib>Kago, Tokihiro</creatorcontrib><creatorcontrib>Kusakabe, Katsuki</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>OSTI.GOV</collection><jtitle>Industrial & engineering chemistry research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Morooka, Shigeharu</au><au>Kato, Takafumi</au><au>Inada, Mitsutoshi</au><au>Kago, Tokihiro</au><au>Kusakabe, Katsuki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modeling of an adsorption unit packed with amidoxime fiber balls for the recovery of uranium from seawater</atitle><jtitle>Industrial & engineering chemistry research</jtitle><addtitle>Ind. Eng. Chem. Res</addtitle><date>1991-01-01</date><risdate>1991</risdate><volume>30</volume><issue>1</issue><spage>190</spage><epage>196</epage><pages>190-196</pages><issn>0888-5885</issn><eissn>1520-5045</eissn><abstract>Amidoxime fiber adsorbents are prepared by treating commercial poly(acrylonitrile) fibers with NH sub 2 OH in methanol and then with an aqueous NaOH solution. The rate of adsorption of uranium from seawater is 0.1-0.3 (g of U/kg of dry fiber)/day. The fiber is placed in 2 cm diameter spherical shells of plastic net, and these fibrous balls are packed in a column. Seawater is assumed to flow through the packed bed by the kinetic force of the ocean current. The permeation velocity of liquid in each ball is evaluated with a small electrode that detects the electrochemical limiting current. When the permeation velocity is slow, most uranyl ions are adsorbed only in the peripheral part of the ball. A model of the packed bed adsorption unit is proposed, and a numerical caculation gives optimum values of design parameters. Graphs. 24 ref.--AA</abstract><cop>United States</cop><pub>American Chemical Society</pub><doi>10.1021/ie00049a028</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0888-5885 |
| ispartof | Industrial & engineering chemistry research, 1991-01, Vol.30 (1), p.190-196 |
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| source | ACS Publications |
| subjects | 050400 - Nuclear Fuels- Feed Processing 400105 - Separation Procedures 540330 - Environment, Aquatic- Radioactive Materials Monitoring & Transport- (1990-) ACTINIDES ADSORPTION AMIDES AMINES CATALYSTS CHEMICAL PREPARATION CHEMICAL REACTION KINETICS CONTROL DESIGN ELECTROCHEMICAL CELLS ELEMENTS ENERGY RECOVERY ENVIRONMENTAL SCIENCES FIBERS HYDROGEN COMPOUNDS HYDROXY COMPOUNDS INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY KINETICS MATHEMATICAL MODELS METALS NUCLEAR FUEL CYCLE AND FUEL MATERIALS ORGANIC COMPOUNDS ORGANIC NITROGEN COMPOUNDS OXIMES OXYGEN COMPOUNDS PACKED BED POLLUTION CONTROL REACTION KINETICS RECOVERY SEAWATER SORBENT RECOVERY SYSTEMS SORPTION SYNTHESIS URANIUM WATER WATER POLLUTION CONTROL |
| title | Modeling of an adsorption unit packed with amidoxime fiber balls for the recovery of uranium from seawater |
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