Comparison of deep desulfurization methods in alumina production process

AbstractSeveral methods of deep desulfurization in alumina production process were studied, and the costs of these methods were compared. It is found that most of the S2−removed by adding sodium nitrate or hydrogen peroxide in digestion process, and in th

摘要：研究了氧化铝生产过程中几种深度脱硫的方法，并对这些方法的成本进行了比较。研究发现，在溶出过程中添加硝酸钠或过氧化氢可去除大部分的S²⁻，并且在……