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2013 | 34 | 1 | 153-163
Tytuł artykułu

Recovery of HCl from Chloride Leach Solution of Spent HDS Catalyst by Solvent Extraction

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
In the present work, amine based extractant and its mixture with cationic and solvating extractants were tested for the extraction of HCl from chloride solution containing Al(III). The chloride feed solution resulted from the leaching of spent HDS (hydro-desulfurization) catalysts. For this purpose, amine extractants, such as TOA (trioctyl amine), Alamine 336 (a mixture of tri-octyl/decyl amine), Alamine 308 (tri-isooctyl amine), and TEHA (tri 2-ethylhexyl amine) were used and the extraction and stripping behavior of HCl was compared. The extracted HCl was easily stripped from loaded TEHA phase, when compared with the other tested tertiary amine system. Solvent extraction reaction of HCl by TEHA was determined from the extraction data. Unlike TOA and Alamine 336, adding cationic extractant to TEHA had negligible effect on the extraction and stripping of HCl. In our experimental ranges, no Al was extracted by amines and pure HCl was recovered. MaCabe- Thiele diagrams for the extraction and stripping of HCl by TEHA were constructed.
Słowa kluczowe
EN
Wydawca
Rocznik
Tom
34
Numer
1
Strony
153-163
Opis fizyczny
Daty
wydano
2013-03-01
online
2013-04-02
Twórcy
autor
  • Department of Advanced Material Science and Engineering, Mokpo National University, Chonnam 534-729, Korea
  • Department of Advanced Material Science and Engineering, Mokpo National University, Chonnam 534-729, Korea
  • Department of Advanced Material Science and Engineering, Mokpo National University, Chonnam 534-729, Korea , mslee@mokpo.ac.kr
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_cpe-2013-0013
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