In this paper, the gas chromatographic methods used in the research for selective hydrogenation of cyclopentadiene to produce polymer grade cyclopentene have been described.
本文介绍了环戊二烯选择加氢制聚合级环戊烯研究中的气相色谱分析方法。
2
Except that the hydrogenation dry gas can be directly utilized, other refinery gases must be hydrotreated preliminary, owing to their high sulfur and olefin contents.
除加氢尾气可直接利用外，其它炼厂气的硫和烯烃含量高，必须进行预加氢精制。
3
The modification of rare earth elements to palladium catalysts leaded to great promotion on both the activity and stability in selective gashydrogenation of acrylonitrile to propionitrile.