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Magnetic carrier for radionuclide removal from aqueous wastes: Parameters investigated in the development of nanoscale magnetite based carbamoyl methyl phosphine oxide

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Title Magnetic carrier for radionuclide removal from aqueous wastes: Parameters investigated in the development of nanoscale magnetite based carbamoyl methyl phosphine oxide
 
Creator AMBASHTA, RD
WATTAL, PK
SINGH, S
BAHADUR, D
 
Subject nitric-acid
separation
particles
media
microparticles
nanoparticles
extractants
am(iii)
fe3o4
magnetic carrier
radionuclide removal
nanoscale magnetite particles
carbomoyl methyl phosphine oxide
 
Description A study on superparamagnetic magnetite polymer composite development was undertaken for application to magnetically assisted chemical separation. Tetramethyl ammonium hydroxide as an alternative to ammonia was used as a precipitation agent to obtain nanoscale magnetite particles. Investigation on stoichiometry control of Fe(III) and Fe(II) ions suggested a correlation between alkalinity and initial Fe(III): Fe(II) ratio for precipitation of magnetite. Studies on polymerization conditions suggested that polymers setting at ambient conditions enable retention of superparamagnetic property of substrate magnetite. Vaporization method for impregnation of solvent extractant CMPO, yielded product that had a high sorption capability for radionuclide europium as compared to wet impregnation method.
 
Publisher TAYLOR & FRANCIS INC
 
Date 2011-08-30T17:46:35Z
2011-12-26T12:59:05Z
2011-12-27T05:49:59Z
2011-08-30T17:46:35Z
2011-12-26T12:59:05Z
2011-12-27T05:49:59Z
2006
 
Type Article
 
Identifier SEPARATION SCIENCE AND TECHNOLOGY, 41(5), 925-942
0149-6395
http://dx.doi.org/10.1080/01496390500528033
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12411
http://hdl.handle.net/10054/12411
 
Language en