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Molecules 2009, 14(9), 3567-3588; doi:10.3390/molecules14093567
Review

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

1,* , 2
 and 3
Received: 28 July 2009; in revised form: 18 August 2009 / Accepted: 11 September 2009 / Published: 14 September 2009
(This article belongs to the Special Issue Selenium and Tellurium Chemistry)
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Abstract: 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.
Keywords: aqueous chemistry; ferric selenite; calcium selenite and selenate; barium selenite and selenate; removal; selenium aqueous chemistry; ferric selenite; calcium selenite and selenate; barium selenite and selenate; removal; selenium
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Nishimura, T.; Hata, R.; Hasegawa, F. Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C. Molecules 2009, 14, 3567-3588.

AMA Style

Nishimura T, Hata R, Hasegawa F. Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C. Molecules. 2009; 14(9):3567-3588.

Chicago/Turabian Style

Nishimura, Tadahisa; Hata, Ryosuke; Hasegawa, Fumihiko. 2009. "Chemistry of the M (M=Fe, Ca, Ba)-Se-H2O Systems at 25 °C." Molecules 14, no. 9: 3567-3588.


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