Fluorene is one of the coal tar products and has a wide range of uses. In recent years, the domestic demand for fluorene has greatly increased, and there are many methods for producing fluorene. However, it is proved that the production of fluorene by batch distillation and washing crystallization is successful. This method is simple in process, low in cost, and easy to operate. It has developed a new process for the production of fluorene and is of popularization value.




