Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C

Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C

The chemistry of the M (M=Fe, Ca, Ba)-Se-H2O systems at 25 °C is reviewed based on our previous papers. In this paper, the phase equilibria in the Fe(III)-Se(IV)-H2O, Ca-Se(IV,VI)-H2O and Ba-Se(IV,VI)-H2O systems at 25 °C are discussed. Then, the three-stage process for removal of selenium from indu...

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Main Authors: Fumihiko Hasegawa, Tadahisa Nishimura, Ryosuke Hata
Format: Article
Language:English
Published: MDPI AG 2009-09-01
Series:Molecules
Subjects:
aqueous chemistry
ferric selenite
calcium selenite and selenate
barium selenite and selenate
removal
selenium
Online Access:http://www.mdpi.com/1420-3049/14/9/3567/
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spelling doaj-605eddba8b314d3a80a9f5e4154e4f422020-11-24T21:59:00ZengMDPI AGMolecules1420-30492009-09-011493567358810.3390/molecules14093567Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °CFumihiko HasegawaTadahisa NishimuraRyosuke HataThe chemistry of the M (M=Fe, Ca, Ba)-Se-H2O systems at 25 °C is reviewed based on our previous papers. In this paper, the phase equilibria in the Fe(III)-Se(IV)-H2O, Ca-Se(IV,VI)-H2O and Ba-Se(IV,VI)-H2O systems at 25 °C are discussed. Then, the three-stage process for removal of selenium from industrial waste water [Se(IV,VI) < 1,500 mg/L] containing sulfuric acid was introduced. This seems to be a promising process for selenium removal from acidic sulfate waste water containing high concentration levels of selenium to below 0.1 mg/L. http://www.mdpi.com/1420-3049/14/9/3567/aqueous chemistryferric selenitecalcium selenite and selenatebarium selenite and selenateremovalselenium
collection DOAJ
language English
format Article
sources DOAJ
author Fumihiko Hasegawa
Tadahisa Nishimura
Ryosuke Hata
spellingShingle Fumihiko Hasegawa
Tadahisa Nishimura
Ryosuke Hata
Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C
Molecules
aqueous chemistry
ferric selenite
calcium selenite and selenate
barium selenite and selenate
removal
selenium
author_facet Fumihiko Hasegawa
Tadahisa Nishimura
Ryosuke Hata
author_sort Fumihiko Hasegawa
title Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C
title_short Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C
title_full Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C
title_fullStr Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C
title_full_unstemmed Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C
title_sort chemistry of the m (m=fe, ca, ba)-se-h2o systems at 25 °c
publisher MDPI AG
series Molecules
issn 1420-3049
publishDate 2009-09-01
description The chemistry of the M (M=Fe, Ca, Ba)-Se-H2O systems at 25 °C is reviewed based on our previous papers. In this paper, the phase equilibria in the Fe(III)-Se(IV)-H2O, Ca-Se(IV,VI)-H2O and Ba-Se(IV,VI)-H2O systems at 25 °C are discussed. Then, the three-stage process for removal of selenium from industrial waste water [Se(IV,VI) < 1,500 mg/L] containing sulfuric acid was introduced. This seems to be a promising process for selenium removal from acidic sulfate waste water containing high concentration levels of selenium to below 0.1 mg/L.
topic aqueous chemistry
ferric selenite
calcium selenite and selenate
barium selenite and selenate
removal
selenium
url http://www.mdpi.com/1420-3049/14/9/3567/
work_keys_str_mv AT fumihikohasegawa chemistryofthemmfecabaseh2osystemsat25c
AT tadahisanishimura chemistryofthemmfecabaseh2osystemsat25c
AT ryosukehata chemistryofthemmfecabaseh2osystemsat25c
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