对抗生素发酵残留物在红泥-Ca(OH) 2复合材料上的催化热解的综合研究
Xiaomin Cui1, Zhaojia Ting1, Jiawen Fu1
1School of Environment, Tsinghua University, Beijing 100084, China.
Journal of hazardous materials
|September 21, 2024
概括
红泥氧化复合物催化青素发酵残留物热解,显著减少焦油和硫化. 优化的催化剂使固体残留物能够重复使用,以进一步去除焦油.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
背景情况:
- 抗生素发酵残留物 (AFR) 带来了处理方面的挑战.
- 催化热解提供了一种废物利用和合成气生产的方法.
- 废物副产品红泥具有作为催化剂支持的潜力.
研究的目的:
- 为了研究青素发酵残留物 (PFR) 的现场催化热解.
- 为了增强合成气的生产,焦油转化和脱硫,使用红泥-Ca(OH) 2复合材料 (RM-xCa).
- 为了优化RM-xCa催化剂的制备和性能.
主要方法:
- 使用水热方法制备RM-xCa复合材料.
- 根据不同的CaO添加和热解温度评估催化剂性能.
- 对合成气体组成,焦油性质和去除硫效率的分析.
主要成果:
- 水热制剂产生的RM-xCa具有较高的催化活性由于Na+漏.
- 在700°C时,优化的RM-4Ca-HT复合材料减少了34%的焦油和38%的H2S.
- 催化剂的性能受到CaO含量,热解温度和Fe2O3减少的影响.
结论:
- RM-xCa复合材料是PFR热解的有效催化剂,改善合成气质量并减少污染物.
- 经过优化后的催化剂可用于后续的焦油清除过程.
- 这种方法为管理抗生素发酵残留物提供了一个可持续的解决方案.
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