期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2013
卷号：2
期号：7
页码：3201
出版社：S&S Publications
摘要：Vanadium has got various industrial uses. Being a refractory material, its disposal is leading toenvironmental contamination all the time. Recovery of vanadium pentoxide from nearby detergent factory wasperformed using a two-step process involving high temperature treatment followed by adsorption. Finally, NaOH wasused in various concentrations, solid to liquid ratios, stirring times and temperatures. A high solid/liquid ratio in theleaching stage was used to obtain high concentration of vanadium pentoxide and low acid consumption that alloweddirect precipitation without the use of extraction by rather expensive organic solvents. Sodium hydroxide solution ofone mole/liter concentration was used in the precipitation stage. The adsorption studies were carried out to optimizethe maximum recovery of vanadium.
