NFM process also showed the advantages of simple flow scheme, mild operating conditions and lower operation cost, especially preferable for high benzene concentration feedstock.

• NFM抽提蒸馏工艺流程简单、操作条件缓和 ,操作费用明显低于四甘醇液 液抽提工艺 ,且原料中苯含量越高 ,较四甘醇液 液抽提工艺越经济。