可调氮的碳氮化物负载CuO用于高效炔醛反应

班丽君; 胡晓波; 冯林雁; 张瑶; 张因; 李海涛

doi:10.11949/0438-1157.20260868

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可调氮的碳氮化物负载CuO用于高效炔醛反应

催化、动力学与反应器 | 更新时间：2026-08-28

- 可调氮的碳氮化物负载CuO用于高效炔醛反应
- Nitrogen-tunable carbon nitride-supported CuO for efficient formaldehyde ethynylation
- 化工学报 2026年
- 作者机构：
  
  1.忻州师范学院化学系, 山西忻州 034000
  2.山西大学精细化学品研究中心, 山西太原 030000
- 作者简介：
  
  班丽君(1992—)，男，博士，讲师，banlijun1992@163.com
  李海涛（1982—），男，博士，副教授，htli@sxu.edu.cn
- 基金信息：
  
  国家自然科学基金项目(22075167;22278252);山西省基础研究计划项目(202503021212251;202303021212298);引言
- DOI：10.11949/0438-1157.20260868
  中图分类号： TQ 203.2
- 收稿：2026-06-23，
  
  修回：2026-08-27，
  
  录用：2026-08-28，
- 稿件说明：
移动端阅览
班丽君, 胡晓波, 冯林雁, 等. 可调氮的碳氮化物负载CuO用于高效炔醛反应[J/OL]. 化工学报, 2026.

BAN Lijun, HU Xiaobo, FEN Linyan, et al. Nitrogen-tunable carbon nitride-supported CuO for efficient formaldehyde ethynylation[J/OL]. CIESC Journal, 2026.
班丽君, 胡晓波, 冯林雁, 等. 可调氮的碳氮化物负载CuO用于高效炔醛反应[J/OL]. 化工学报, 2026. DOI： 10.11949/0438-1157.20260868.

BAN Lijun, HU Xiaobo, FEN Linyan, et al. Nitrogen-tunable carbon nitride-supported CuO for efficient formaldehyde ethynylation[J/OL]. CIESC Journal, 2026. DOI： 10.11949/0438-1157.20260868.

摘要

甲醛乙炔化制备1

4-丁炔二醇是煤制高附加值产品生产的关键环节，可进一步延伸合成1

4-丁二醇、聚氨酯、生物降解塑料等高值化学品，在药物合成与材料科学等领域具有重要应用价值。但传统用于甲醛乙炔化合成1

4-丁炔二醇催化剂存在效率低、活性相流失严重等局限性，开发新型高效、稳定的催化剂成为研究重点。本工作聚焦可调氮的碳氮化物负载CuO纳米颗粒催化剂，探究其在甲醛乙炔化反应中的应用。结果表明，CuO/C

5.76

催化剂的催化性能要优于CuO/C

5.22

和CuO/C

6.51

催化剂，在90 ℃下实现了甲醛转化率为55.4%，1

4-丁炔二醇收率为50.1%。X射线光电子能谱（XPS）和CO

-程序升温脱附（CO

-TPD）表征发现，CuO/C

5.76

中的碱性位点含量明显高于其它催化剂，而碱性位点可吸附、活化反应物促进甲醛乙炔化反应。本工作为甲醛乙炔化反应中碱性位点结构设计和调控提供了新路径。

Abstract

The formaldehyde ethynylation for the synthesis of 1

4-butynediol is a key step in the production of high value-added products from coal

which can be further extended to synthesize high-value chemicals such as 1

4-butanediol

polyurethanes

and biodegradable plastics

with important application value in pharmaceutical synthesis

materials science and other fields. However

traditional catalysts have limitations including low efficiency and severe leaching of active phases

making the development of novel

highly efficient and stable catalysts a research focus. In this work

we synthesized CuO nanoparticles supported on nitrogen-modulated carbon nitrides and systematically investigated their catalytic performance toward formaldehyde ethynylation. The results showed that the catalytic performance of the CuO/C

5.76

catalyst is superior to that of CuO/C

5.22

and CuO/C

6.51

achieving a formaldehyde conversion of 55.4% and a 1

4-butynediol yield of 50.1% at 90 °C. X-ray photoelectron spectroscopy (XPS) and CO

temperature-programmed desorption (CO

-TPD) characterizations indicated that the content of basic sites in CuO/C

5.76

is significantly higher than that in other catalysts

and these basic sites can adsorb and activate reactants to promote formaldehyde ethynylation. This work provides a new pathway for the structural design and regulation of basic sites in formaldehyde ethynylation.

关键词

Keywords

references

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