in refining CaCO3 for its use as paper making fillers fromalkaline non-wood pulps through the carbonization processing of chemical recovered white slurry and the caustic processing of green liquor.

• 介绍了岳阳纸业集团公司碱法草类浆碱回收白泥碳化法处理工艺及绿液苛化新工艺两种方法精制碳酸钙作造纸填料的研究和经验。