When produce dense sodium carbonate with the material of natural alkali, a plenty of alkaline scrap material or alkaline mud which can alkalify the earth, pollute the air and environment is manufactured, using the scrap material by calcine with a large movable kiln is expensive.

  • 在以天然碱为原料生产重质纯碱时,伴生大量碱性废渣(俗称苛化泥),此废渣堆放或坑埋,碱化土壤,污染环境和空气,若用大型回转窑煅烧处理,成本高不经济。

  • 互联网摘选 2025-01-19 23:53:42

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