As the pollution mechanism of sodium aluminate solution is not understood clearly, there is no economic approach to solve the problem of excessive iron in the industrial sodium aluminate solution with high sulfur species content. 由于人们对铁污染铝酸钠溶液的机理缺乏系统充分的研究,目前针对工业高硫铝酸钠溶液中铁超标的问题,尚无简单的处理方法。