基于非反应性生物炭和Bacillus pumilus RSB17的治疗粉末:一种可持续的解决方案,可以提高自愈砂中的细菌活力
1Department of Civil Engineering, National Institute of Technology Karnataka, Surathkal 575025, India.
The Science of the total environment
|January 30, 2025
概括
这项研究开发了一种可持续的基于生物炭的治疗粉末,用于自愈生物砂. 使用子生物炭和Bacillus pumilus RSB17的粉末,保持了细菌活力,延长了保质期,并有效地治愈了裂.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 生物技术是生物技术.
背景情况:
- 传统的自愈砂使用矿物质添加剂,降低了细菌的有效性.
- 开发可持续的,非反应性的治愈剂对于提高生物砂性能至关重要.
研究的目的:
- 为生物砂创造一种可持续的,基于生物炭的自我修复粉末,具有长时间的细菌生存能力.
- 为了评估这种微生物生物炭治愈粉在修复砂裂中的有效性.
主要方法:
- 来自子废弃物的生物炭 (皮,贝,叶片) 经过了与Bacillus pumilus RSB17的兼容性测试.
- 微生物生物炭治愈粉的保质期稳定性在4°C和25°C下进行了180天的评估.
- 优化的愈合粉末被纳入生物砂中,并通过裂宽度愈合,电阻力,透性和压力强度测试来评估其自我愈合性能.
主要成果:
- 子生物炭显示出卓越的兼容性,导致制定一种有效的微生物生物炭治疗粉.
- 在4°C储存的生物炭治疗粉末保持了细菌活力超过关键值180天,超过了在25°C储存的冷解粉末.
- 使用治愈粉末的生物砂治愈了高达0.80毫米的裂,使透率降至零,并恢复了90.53%的压力强度,证实了石晶体的形成.
结论:
- 使用子生物炭和Bacillus pumilus RSB17的可持续微生物生物炭治愈粉末为生物砂提供了延长的细菌活力和有效的自我治愈特性.
- 在4°C的最佳储存确保了至少180天的保质期,使其成为耐用建筑材料的可行添加剂.
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