Compared with the existing production process, amineextraction process has the advantage of higher use ratio of potassium, simpler process flow, less energy need, and lower cost.
与现有生产工艺相比，具有钾利用率高、工艺流程简单、能耗少及成本低等优点。
2
The technology and test results for the preparation of non-iron aluminium sulfate by primary amineextraction method are introduced. The technical and economical status of the process are also stated.