聚氨废弃物回收利用:一种使用臭氧化和Rhodococcus pyridinivorans发酵进行生物肥料生产的双相工艺
Jose M Orts1, Emilia Naranjo1, Susana Pina1
1Departament of Biochemistry and Molecular Biology, Facultad de Farmacia, University of Seville, St./Prof. García Gonzalez 2, 41012 Seville, Spain.
Bioresource technology
|November 14, 2024
概括
聚氨废物通过一种新的化学和生物过程被转化为生物肥料微生物. 这种循环经济方法可以从塑料垃圾中产生可持续的肥料,减少填埋场负担和化学肥料的使用.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 聚氨 (PU) 废物由于在垃圾填埋场持续存在,造成了重大环境挑战.
- 传统的化学肥料有助于环境污染和资源枯竭.
- 需要可持续的方法来管理塑料废物和改善农业实践.
研究的目的:
- 开发一种循环经济工艺,将聚氨废物转化为生物肥料微生物.
- 描述过程中涉及的化学和生物转化.
- 评估产生的微生物的生物肥沃潜力.
主要方法:
- 聚氨废物的连续化学/生物处理.
- 化学阶段:使用臭氧去聚合PU,以获得水性OLE (多聚醇,异酸盐,碳酸盐).
- 生物阶段:使用Rhodococcus pyridinivorans发酵OLE以产生生物肥沃生物质.
主要成果:
- 在OLE中成功地将PU脱聚合成可生物利用的分子.
- 产生具有显著生物肥沃性质的R. pyridinivorans生物质.
- 证明了代谢-蛋白质活性,包括酶合成用于化合物降解.
- 微生物表现出固定,植物激素生产和 siderophore 合成.
结论:
- 开发的过程有效地将PU废物转化为有价值的生物肥料微生物.
- 这种循环经济方法为塑料废物管理和肥料生产提供了一个可持续的替代方案.
- 该过程通过将垃圾从垃圾填埋场转移并减少对化学肥料的依赖,减少了对环境的影响.
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