The study on dealkalization and distilling Ti and Sc from red mud was made.
研究了用石灰脱碱,降低赤泥对土壤的环境危害,并提取其中贵重金属的方法。
The research of furfural refining adding denitrogenation agents by the method of combining physical extraction and chemical reaction has been done.
在糠醛精制过程中添加脱氮组分,采用物理抽提与化学反应相结合的方法对模拟基础油进行脱碱氮研究。
