摘要
主要研究了卤水—白云石法制取氧化镁过程中杂质铁、锰的分布情况,结果表明:原料白云石中杂质铁、锰大部分被带入产品,引起产品中铁、锰含量超标。通过对白云石进行精制试验,表明将灰乳过滤能除去一部分铁、锰杂质。若将制取过程中所得的氢氧化镁进行碳化处理,则产品质量超过了优等品的要求。
The dirstibution of impurity Fe - Mn in the preparation of magnesia from brine and dolomite is studied in the paper. The result shows that the most of impurity Fe - Mn in dolomite is brought into the product, which leads to unqualification of product. The refinement experiments of slurry show that the part of the impurity Fe - Mn can be separated by filtration. The quality of magnesia can be over the standard of super grade product if magnesium hydroxide obtained in the process is treated by carbonation.
出处
《无机盐工业》
CAS
北大核心
2006年第1期40-42,共3页
Inorganic Chemicals Industry
