<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents the results of the research on the degree of the recovery of vanadium(V) from the used vanadium catalyst with the use of KOH solution. The extraction was performed at 293 - 323 K, for 0.5 to 4 h and the catalysts of the variable grain diameter. The concentration of the extracting solution was varied in the range 5 - 20%. The optimal ratio of solid to liquid phase S/L was determined. Additionally the degree of the recovery of total iron ions was presented.</p></abstract>

The paper presents the results of the research on the degree of the recovery of vanadium(V) from the used vanadium catalyst with the use of KOH solution. The extraction was performed at 293 - 323 K, for 0.5 to 4 h and the catalysts of the variable grain diameter. The concentration of the extracting solution was varied in the range 5 - 20%. The optimal ratio of solid to liquid phase S/L was determined. Additionally the degree of the recovery of total iron ions was presented.

Extraction of vanadium compounds from the used vanadium catalyst with the potassium hydroxide solution

Faculty of Chemistry, Department of Chemical Technology, Nicolaus Copernicus University, ul. Gagarina 7, 87-100 Toruń, Poland

Polish Journal of Chemical Technology

The paper presents the results of the research on the degree of the recovery of vanadium(V) from the used vanadium catalyst with the use of KOH solution. The...

Extraction of vanadium compounds from the used vanadium catalyst with the potassium hydroxide solution

Published Online: Apr 08, 2010

Page range: 23 - 28

DOI: https://doi.org/10.2478/v10026-010-0005-2

Keywords
vanadium catalyst, leaching, recovery, vanadium, iron, sulfuric acid, potassium hydroxide

This content is open access.

Extraction of vanadium compounds from the used vanadium catalyst with the potassium hydroxide solution

Published Online: Apr 08, 2010

Page range: 23 - 28

DOI: https://doi.org/10.2478/v10026-010-0005-2

Keywordsvanadium catalyst, leaching, recovery, vanadium, iron, sulfuric acid, potassium hydroxide

This content is open access.

Keywords
vanadium catalyst, leaching, recovery, vanadium, iron, sulfuric acid, potassium hydroxide