用悬浮细胞技术从高强度工业食品废弃物水解盐中生产发酵生物和生物甲
Onjira Kongthong1, Pannipha Dokmaingam2,3, Chen-Yeon Chu4,5
1Environmental Health Program, School of Health Science, Mae Fah Luang University, 333 M.1 Tasud, Muang, Chiang Rai, 57100, Thailand.
Molecular biotechnology
|November 7, 2023
概括
这项研究表明,从工业食品废物中有效地产生生物甲 (+甲). 在两步生物反应器中培养的微生物群在高基质度下取得了最佳产量,展示了一种新的废物处理方法.
科学领域:
- 生物技术是生物技术.
- 环境科学 环境科学
- 可再生能源可再生能源是可再生能源.
背景情况:
- 食品废弃物中的高有机物质带来了处理挑战.
- 工业食品废弃物水解剂是生产生物气体的潜在基质.
- 亚临界水解提供了一种新的方法来制备食品废物水解剂.
研究的目的:
- 研究从高强度工业食品废弃物水解盐中生产生物乙 (H2 + CH4).
- 为了优化生物和生物甲产量,使用带有培养微生物群的两步无氧生物反应器.
- 评估初始基质度对生物气生产的影响.
主要方法:
- 使用了一种两步无氧混合好批量生物反应器.
- 在37°C的控制温度下.
- 工业食品废弃物水解剂的不同初始基质度 (60, 80, 100, 120 g COD/L).
- 在流入和流出样本中分析pH,TS,VS和SCOD.
- 使用了悬浮细胞的培养微生物群.
主要成果:
- 最佳的生物产量为0.65mL H2/g COD.
- 最佳的生物甲产量为203.72毫升CH4/gCOD.
- 这些最佳产量是在60gCOD/L (39.80gSCOD/L) 的初始基质度下实现的.
- 悬浮细胞培养表明对高强度基质度的耐受性更高.
结论:
- 在悬浮细胞系统中培养的微生物群有效地从高强度工业食品废弃物水解剂中产生生物甲.
- 两步无氧消化过程是处理具有挑战性的食品废物流的可行方法.
- 这项研究支持使用工业食品废弃物作为生物气生产的可持续资源.
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