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Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
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来自城市固体废物的石墨烯.

Karla J Silva1, Kevin M Wyss1, Carolyn H Teng1

  • 1Department of Chemistry, Rice University, 6100 Main Street, Houston, TX, 77005, USA.

Small (Weinheim an der Bergstrasse, Germany)
|May 30, 2024
PubMed
概括
此摘要是机器生成的。

研究人员将城市固体废物 (MSW) 转化为石墨烯,与传统的处置相比,减少了高达83%的全球变暖潜力. 这种创新方法提供了一个具有成本效益和可持续的废物管理解决方案.

关键词:
闪光 焦勒加热 焦勒加热全球变暖的潜在影响城市固体废弃物城市固体废弃物一个可持续的可持续的可持续的可持续.废木材 废木材 废木材 废木材

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科学领域:

  • 材料科学 材料科学 材料科学
  • 环境科学 环境科学
  • 化学工程是化学工程的重要组成部分.

背景情况:

  • 垃圾填埋是主要的城市固体废物 (MSW) 处理方法,但具有很高的全球变暖潜力.
  • 目前的替代品,如回收和焚烧是不够的,或仍然产生大量的温室气体排放.
  • 迫切需要可持续的MSW处理和废物管理策略.

研究的目的:

  • 调查从处理的城市固体废物 (MSW),包括木材废物中生产石墨烯.
  • 评估这种新型废物转化工艺的环境和经济可行性.
  • 将这种方法的全球变暖潜力与传统的MSW处理技术进行比较.

主要方法:

  • 使用快速的朱尔加热将经过处理的MSW转化为石墨烯.
  • 与垃圾填埋,焚烧和回收相比,分析全球变暖潜力的减少.
  • 计算过程的净成本,考虑到石墨烯的潜在销售.

主要成果:

  • 从经过处理的MSW中成功证明了石墨烯的生产.
  • 与传统的处置方法相比,全球变暖潜力的显著减少,从71%到83%不等.
  • 该过程显示,每MSW的净成本为-282美元,假设石墨烯的销售价格为市场价值的5%.

结论:

  • 通过快速朱尔加热将MSW转化为石墨烯,提供了一个可持续且潜在的成本效益高的废物管理解决方案.
  • 这种方法可以大幅降低全球变暖潜力,解决当前处置做法的一个关键局限性.
  • 石墨烯生产的潜在收入提高了经济可行性,使其成为MSW处理的有吸引力的替代方案.