甲醇制汽油工艺及催化剂制备的研究进展

Recent advances in Methanol-to-Gasoline technology and related catalysts

甲醇制汽油既能缓解国内油品短缺又能解决甲醇产能过剩。本文综述了甲醇制汽油工艺技术,包括固定床和流化床技术,简要说明了这些工艺的技术特点。同时介绍了甲醇制汽油催化剂的研究现状,着重说明了碱处理和金属改性处理对ZSM-5结构和催化性能的影响,指出了高比表面积催化剂的研制和高稳定性催化剂的开发是甲醇制汽油催化剂的研究方向,并对甲醇制汽油催化剂失活的原因及催化机理进行了初步的探讨。

The technology of Methanol-to-Gasoline can alleviate the shortage of domestic oil and the overcapacity of methanol production.This paper was aimed to introduce the process of Methanol-to-Gasoline,including fixed bed and fluidized bed technology.The technology features were described briefly.Present situation of catalyst was introduced.The effect of alkali treatment and metal modification on the structure and catalytic properties of ZSM-5 was highlighted.The development goal of Methanol-to-Gasoline catalyst is to obtain higher specific surface area and higher stability.The reasons for deactivation of the catalyst and catalytic mechanism of Methanol-to-Gasoline were also discussed.