优化批量发酵条件,以提高Bacillus safensis TH2的特定产量
Tawaf Ali Shah1, Chuancheng Dongye1, Andong Zhang1
1College of Agriculture Engineering and Food Sciences, Shandong University of Technology, Zibo, People's Republic of China.
Environmental technology
|September 14, 2025
概括
研究人员从消化器污泥中分离了Bacillus细菌,从废物中产生生物 (BioH2). 巴西安全菌TH2表现出卓越的性能,在优化后产生更多的气,推动了可持续能源的发展.
科学领域:
- 微生物学和生物技术
- 可持续能源生产 可持续能源生产
- 废弃物价值化 废弃物价值化 废弃物价值化
背景情况:
- 生物 (BioH2) 生产是一个有前途的可持续能源,但面临着低产量和不确定的发酵条件的挑战.
- 多种碳基板可用于BioH2生成,但高效的微生物菌株和优化过程对于经济可行性至关重要.
研究的目的:
- 从各种基质中分离和表征能够有效生产生物的强壮微生物菌株.
- 优化发酵条件,以提高生物产量和生产速度,使用精选的细菌分离物.
主要方法:
- 从无氧消化器污泥中分离细菌菌株,重点关注具有高酶活性 (氨酶,蛋白酶,细胞酶,脂酶) 的细菌菌株.
- 使用粉,葡萄糖和厨房食品废弃物作为基质,对孤立菌株 (Bacillus tequilensis TH1,Bacillus safensis TH2) 的培养和产量评估.
- 为最有前途的菌株 (B. safensis TH2) 优化发酵参数 (基质度,注射剂密度,pH,温度).
主要成果:
- 分离了Bacillus tequilensis TH1和Bacillus safensis TH2,显示出显著的酶活性.
- 与B. tequilensis TH1相比,Bacillus safensis TH2在所有测试的基板上表现出更高的累积产量.
- 对B. safensis TH2的优化条件显著增加了厨房食品废弃物中的每日和累计产量,并提高了特定生产率 (SHPR).
结论:
- 孤立的Bacillus菌株,特别是B. safensis TH2,显示出从各种废物流中高效生产生物的巨大潜力.
- 优化发酵条件对于最大化生物产量和生产速度至关重要,为可扩展的可持续能源解决方案铺平了道路.
- 这些发现有助于通过微生物创新和工艺工程来推进生物技术.
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