半焦用于选择性催化还原脱硝的研究进展

Research progress on applications of semi-coke in selective catalytic reduction denitration

综述了活性半焦用于选择性催化还原脱硝技术中的研究现状,介绍了半焦自身的催化机制和半焦活性的影响因素,阐述了半焦的活化方法以及作为载体负载金属催化剂的种类和研究进展,讨论了活性半焦基催化剂在抗水中毒和抗硫中毒方面的研究情况,展望了活性半焦作为新型载体材料在低温选择性催化还原脱硝中的应用前景。

The research status of semi-coke in selective catalytic reduction denitration is summarized.The catalytic mechanism and factors affecting the catalytic activity of semi-coke are introduced.The activation methods for semicoke and the types of supported metals are also elaborated.Tolerances for H2O and SO2 of activated semi-coke based denitration catalysts are respectively discussed.The applications of activated semi-coke as a new type of carrier in lowtemperature selective catalytic reduction denitration are prospected.