alky

relative abundance of alkyl benzenes isomeride decreases, whereas n-alky benzenes increase.

而正构烷苯度有增加趋势。

The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.

二烯和烯芳是非常不稳定组分，可聚合产生凝胶。于给定烯和烷芳，氢化可以改善产品质量。