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固体核磁共振技术在甲醇制烯烃反应中的应用
高树树1,2,徐舒涛1,*(),魏迎旭1,刘中民1
Applications of Solid-State Nuclear Magnetic Resonance Spectroscopy in Methanol-to-Olefins Reaction
Shu-shu GAO1,2,Shu-tao XU1,*(),Ying-xu WEI1,Zhong-min LIU1

图2. (a) 220 ℃和连续流动条件下，13C-甲醇在H-SSZ-13催化剂上转化的原位固体13C MAS NMR谱图；(b)原位13C-甲醇转化30 min后的13C CP/MAS NMR谱图和(c) 2D13C-13C CORD(COmbined R2 Driven)自旋扩散谱图[39]

Fig.2. (a) In situ solid-state 13C MAS NMR spectra of continuous-flow 13C-methanol conversion over H-SSZ-13 catalyst at 220 ℃; (b) The 13C CP/MAS NMR and (c) 2D 13C-13C CORD (COmbined R2 Driven) spin diffusion MAS NMR spectra of in situ 13C-methanol conversion over H-SSZ-13 catalyst at 220 ℃ for 30 min[39]