采用正交实验设计，研究了卡拉胶碱改性操作中碱浓度、改性时间和温度的优化，确定了适合工业生产的最佳工艺参数。
The factors affecting the alkali-treatment including NaOH concentration, time and temperature were studied by the orthogonal experiments. The optimum conditions for industry have been determined.
最佳的脱碱助剂高岭土在其添加浓度为5%时，灰渣脱碱率可达100%。
By adding only 5% kaolinite in the calcination process, the dealkalization rate could be increased to 100%.
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