石墨烯氧化物的回收和再生的化学方法
K A Shiral Fernando1, Rajendr Thakuri2, Amanda L Barry Schroeder3
1Polymer and Specialty Materials Branch, Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Ohio 32542, United States.
ACS applied bio materials
|December 11, 2023
概括
本研究提出了一种成本效益高的方法,用于在燃料过后回收石墨烯氧化物 (GO). 回收的GO保持了其性能,为燃料中微生物污染物去除提供了经济的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 环境工程 环境工程
- 化学工程是化学工程的重要组成部分.
背景情况:
- 氧化石墨烯 (GO) 有效地从燃料中去除微生物污染物,而不需要微孔.
- 以前的研究证实了GO能够不可逆转地结合微生物,防止细菌生长的能力.
- 目前的GO合成方法,就像Hummers的方法一样,是劳动密集型和耗时的.
研究的目的:
- 开发一种经济,简单,劳动密集度较低的方法,用于在燃料过中使用后回收石墨烯氧化物 (GO).
- 与新合成的GO (as-syn-GO) 相比,评估回收的GO (rec-GO) 的化学和物理特性.
- 评估rec-GO在从燃料中去除微生物污染物的性能.
主要方法:
- 开发了一种化学回收工艺,包括用,乙和乙醇清洗污染的GO.
- 用水中的超声波去除杂质并恢复氧气功能.
- 使用化学和物理性质分析来表征rec-GO.
- 测试了rec-GO在柴油燃料中的微生物污染物的过效率.
主要成果:
- 恢复过程成功地产生了纯化石墨烯氧化物 (rec-GO).
- Rec-GO具有与as-syn-GO相似的化学和物理特性.
- 在清除柴油燃料中的微生物方面,rec-GO的效率与as-syn-GO相比 (>99%) 相当.
- 据估计,rec-GO的成本至少比商业上可用的GO低90%.
结论:
- 开发的回收方法是经济,简单和有效的,用于在燃料过中重复使用GO.
- 在微生物污染物清除方面,Rec-GO为新合成的GO提供了一种可持续且具有成本效益的替代方案.
- 这种方法大大降低了与使用GO用于燃料净化相关的成本.
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