二氧化硫 → Magnesium bisulfite

HRID 262442

反应方程式

HRID 262442 反应方程式
C(=O)([O-])[O-:2].[Mg+2:5].[S:6](=[O:8])=[O:7]>>[S:6](=[O:2])([OH:8])[O-:7].[Mg+2:5].[S:6](=[O:2])([OH:8])[O-:7]

参与物

3

反应物 2

HCID 1119二氧化硫HCID 11029水菱镁矿

产物 1

HCID 10130272Magnesium bisulfite

实验过程

According to the invention a method of recovering magnesia from magnesium carbonate containing raw material includes the steps of forming a slurry of uncalcined raw material, heating the slurry to a temperature between 40° and 90° C., treating the slurry with sulphur dioxide to form soluble magnesium bisulphite, separating undissolved impurities from the solution of magnesium bisulphite, precipitating magnesium sulphite from the solution, separating the precipitate from the mother liquor and recovering magnesia from the separated precipitate.

后处理

  1. customof forming a slurry of uncalcined raw material
  2. temperatureheating the slurry to a temperature between 40° and 90° C.

来源与证据

ORD记录
ord-e2ec1990de354442a2347f9662ca4e4b
来源数据集
uspto-grants-1979_05
专利号
US04154802

关联笔记

加载中…