Method for synthesizing 1, 4-butylene glycol

The invention relates to the technical field of synthesis of 1, 4-butenediol, and discloses a method for synthesizing 1, 4-butenediol, which comprises the following steps: in the presence of a nitrogen-modified carbon-coated nickel catalyst, contacting 1, 4-butynediol with hydrogen for selective hydrogenation; wherein the nitrogen-modified carbon-coated nickel catalyst comprises a metallic nickel core and a nitrogen-modified graphitized carbon layer shell coated on the surface of the metallic nickel core; and the binding energy corresponding to the highest peak of the N1s spectrogram of the nitrogen-modified carbon-coated nickel catalyst measured by X-ray photoelectron spectroscopy is 399.4 +/-0.3 eV. The method is environment-friendly, high in safety and good in stability, and the selectivity of 1, 4-butylene glycol is good. 本发明涉及1,4-丁烯二醇的合成技术领域，公开了一种合成1,4-丁烯二醇的方法，该方法包括：在氮改性碳包覆镍催化剂存在下，将1,4-丁炔二醇和氢气接触进行选择性加氢；其中，所述氮改性碳包覆镍催化剂包括金属态镍内核和包覆在所述金属态镍内核表面的氮改性石墨化碳层外壳；由X射线光电子能谱测得所述氮改性碳包覆镍催化剂的N 1s谱图最高峰对应的结合能为399.4±0.3eV。该方