使用泡流化床反应堆的一次性COVID-19口罩的二氧化碳气化特性
Ji Young Nam1, Diyar Tokmurzin2, Sung Min Yoon2
1School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangangu, Suwon, Gyeonggi-do, 16419, Republic of Korea; Climate Change Research Division, Korea Institute of Energy Research (KIER), 152 Gajeong-ro, Yuseong-gu, Daejeon, 34129, Republic of Korea.
Environmental research
|July 15, 2023
概括
回收口罩废弃物是很困难的,但在带有活性炭的流化床反应堆中,二氧化碳气化有效地将废弃物转化为有价值的合成气. 这种方法实现了49%的焦油减少和88.92%的冷气效率.
科学领域:
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
- 材料科学 材料科学 材料科学
背景情况:
- 由于COVID-19的流行,口罩的废弃量急剧增加,每月估计有49万.
- 面具废弃物由于其复杂的聚合物和铁成分,以及病毒污染风险,造成了回收挑战.
- 传统的废物处理方法有助于环境污染.
研究的目的:
- 为了研究面具废物的二氧化碳气化.
- 为了评估在使用活性碳床的气化过程中去除焦油的效率.
- 分析由口罩废物气化生产的合成气的特性.
主要方法:
- 使用1公斤/小时实验室规模的气泡液化床气化器.
- 采用活性炭床用于气化和提.
- 分析合成气的组成,包括,一氧化碳,甲和碳化合物 (C2-C3).
主要成果:
- 实现了49%的焦油减少效率.
- 获得了45.16%的碳转化效率.
- 达到88.92%的冷气效率,合成气成分为10.52%的H2,6.18%的CO,12.05%的CH4和14.44%的C2-C3碳化合物.
结论:
- 二氧化碳气化是一种可行的方法,用于处理面具废物.
- 活性炭有效降低合成气中的焦油含量.
- 这个过程将温室气体和掩护废物转化为有价值的产品气体,提供可持续的解决方案.
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