The application of adjustable speed clutch in furfural refining unit, which is the first example, was mainly presented.
重点介绍了调速离合器在炼油装置上的实际应用状况、节能效果、经济效果分析，尚待改进的问题和应用前景。
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。
The serious corrosion by furfural acid of furfural refining unit of the refinery has greatly affected the safe operation and profitability of the unit.
炼油厂糠醛装置受糠醛酸腐蚀严重，对装置安全生产和经济效益带来了较大的影响。
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