Olefine impurities refer to the presence of unsaturated hydrocarbons in various industrial processes, which can cause problems such as decreased yield, reduced product quality, and increased environmental risks. These impurities can be formed during the production or transportation of various chemicals and fuels, and their removal is crucial for maintaining the efficiency and safety of industrial processes. Various techniques such as distillation, adsorption, and catalytic conversion are used to remove olefine impurities from different products.
![N-[4-Chloro-2-(1-phenylethenyl)phenyl]-N'-ethylurea](https://clearsynth.com/structure/N--4-Chloro-2--1-phenylethenyl-phenyl--N--ethylurea.png "Olefine Impurities")