Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Shaona Wang"'
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
Journal of Cleaner Production. 203:873-884
High chromium containing vanadium slag is refractory, and therefore cannot be processed efficiently by traditional roasting method. In this study, a low pressure leaching process using NaOH solution to co-extract both vanadium and chromium has been p
Publikováno v:
Hydrometallurgy. 169:440-446
We herein report the development of a membrane-assisted electrochemical method for separating sodium and vanadium from a sodium orthovanadate solution. During the employed electrolysis process, Na+ ions in the anode chamber pass through the cation-ex
Publikováno v:
Journal of Cleaner Production. 149:206-217
A cleaner method featuring non-salt roasting and ammonium bicarbonate leaching has been studied for the extraction of vanadium from vanadium slag. Compared to the traditional alkaline salt roasting followed by water leaching process, chromium spinel
Publikováno v:
Hydrometallurgy. 165:244-250
Roasting–leaching–precipitation-calcinations is the conventional way for manufacturing vanadium oxide. Due to the mixing of sodium and ammonium salts in the ammonium precipitation process, a large amount of high concentration ammonia-nitrogen was
Publikováno v:
Journal of Cleaner Production. 263:121357
Vanadium is an important strategic metal and has been widely applied in a multiple of industries. However, the current process for the production of vanadium compounds suffers from the generation of a significant amount of high salinity ammonium cont
Publikováno v:
Journal of Cleaner Production. 239:118129
In this study, we put forward a clean and complete process of V2O5 production from vanadium-containing solutions. It features membrane electrolysis for V/Na separation and AMV precipitation. With the aid of membrane electrolysis, the vanadium and sod
Publikováno v:
Hydrometallurgy. 151:51-55
A novel method that introduces an electrochemical field to enhance the decomposition of vanadium slag in concentrated NaOH solution was proposed. Under the optimal conditions (alkali concentration of 40 wt.%, reaction temperature of 120 degrees C, al
Publikováno v:
Hydrometallurgy. 98:38-44
article i nfo A new method is explored to improve the precipitation of gibbsite from sodium aluminate solution by adding methanol to the pregnant liquor. The stability of sodium aluminate solution decreases in the presence of methanol, leading to fas