Copper Nanoclusters Modified MOF-199 for the Removal of Methyl Mercaptan and Hydrogen Sulfide From Natural Gas

IF 3.7 2区化学 Q2 CHEMISTRY, APPLIED Applied Organometallic Chemistry Pub Date : 2025-02-07 DOI:10.1002/aoc.70049

Feiyu Zhou, Wenli Zhu, Xuedan Chen, Changkangle Xu, Maozheng He, Qingshan Fu

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Abstract

MOF-199 is modified by copper nanoclusters in three different solvents (H₂O, DMF and H₂O + DMF) to improve its performance in simultaneous removal of methyl mercaptan and hydrogen sulfide from natural gas. The composites are characterized by sorts of evaluation methods, and their capacities for removal of methyl mercaptan and hydrogen sulfide from natural gas are evaluated. The results show that copper nanoclusters are successfully loaded on MOF-199, and the morphology and crystal structure of the modified MOF-199 do not change significantly compared with pure MOF-199. However, the type of solvent and the content of copper nanoclusters affect the specific surface area and pore size of MOF-199. The highest specific surface area of 1177 m² g⁻¹ is reached when 0.24-wt% copper nanoclusters are loaded on MOF-199 in H₂O. This sample presents a total pore volume of 0.58 cm³ g⁻¹, an average pore size of 2.01 nm, and the highest breakthrough capacities for H₂S (41.25 mg g⁻¹) and CH₃SH (71.42 mg g⁻¹), which are 33.75% and 65.59% higher than that of pure MOF-199, respectively. This demonstrates that the modification of MOF-199 by copper nanoclusters can further boost the removal efficiency of H₂S and CH₃SH.

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铜纳米团簇改性MOF-199去除天然气中甲基硫醇和硫化氢

MOF-199在三种不同的溶剂（H2O、DMF和H2O + DMF）中被铜纳米团簇修饰，以提高其同时去除天然气中甲基硫醇和硫化氢的性能。采用多种评价方法对复合材料进行了表征，并对其对天然气中甲基硫醇和硫化氢的脱除能力进行了评价。结果表明，铜纳米团簇成功负载在MOF-199上，改性后的MOF-199的形貌和晶体结构与纯MOF-199相比没有明显变化。而溶剂类型和铜纳米团簇的含量对MOF-199的比表面积和孔径均有影响。当0.24 wt%的铜纳米团簇负载在MOF-199上时，达到了1177 m2 g−1的最高比表面积。MOF-199的总孔体积为0.58 cm3 g−1，平均孔径为2.01 nm，对H2S （41.25 mg g−1）和CH3SH （71.42 mg g−1）的穿透能力最高，分别比纯MOF-199提高了33.75%和65.59%。说明铜纳米团簇修饰MOF-199可以进一步提高对H2S和CH3SH的去除效率。

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来源期刊

Applied Organometallic Chemistry 化学-无机化学与核化学

CiteScore

7.80

自引率

10.30%

发文量

408

审稿时长

2.2 months

期刊介绍： All new compounds should be satisfactorily identified and proof of their structure given according to generally accepted standards. Structural reports, such as papers exclusively dealing with synthesis and characterization, analytical techniques, or X-ray diffraction studies of metal-organic or organometallic compounds will not be considered. The editors reserve the right to refuse without peer review any manuscript that does not comply with the aims and scope of the journal. Applied Organometallic Chemistry publishes Full Papers, Reviews, Mini Reviews and Communications of scientific research in all areas of organometallic and metal-organic chemistry involving main group metals, transition metals, lanthanides and actinides. All contributions should contain an explicit application of novel compounds, for instance in materials science, nano science, catalysis, chemical vapour deposition, metal-mediated organic synthesis, polymers, bio-organometallics, metallo-therapy, metallo-diagnostics and medicine. Reviews of books covering aspects of the fields of focus are also published.