从新型藻热预处理-黄油酸发酵过程的废弃物中有效地发酵甲
Jianzheng Li1, Jiazhi Liu1, Zhen Pan1
1State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, People's Republic of China.
Environmental technology
|October 16, 2024
概括
酸生物炼油厂的废物可以转化为甲. 优化了预处理废物和发酵废物的甲发酵条件,实现了高产量,使草的充分利用.
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:
- 酸生物炼油技术对草至关重要,对环境保护和能源系统改革至关重要.
- 这个过程产生了废物流:热预处理废物 (PW) 和发酵废物 (FW).
研究的目的:
- 研究PW和FW的甲发酵的可行性.
- 为了优化混合PW和FW流的甲生产.
- 加强全面利用米的组成部分.
主要方法:
- 从单个PW和FW流中评估甲生产潜力.
- 优化了甲发酵参数,包括初始pH值和FW与PW (V_FW/V_PW) 的体积比.
- 使用测序批量模式无氧消化器验证了优化条件.
主要成果:
- 来自PW和FW的甲产量分别为351.1±11.8和741.5±14.2mLCH4/gVS.
- 混合废物发酵的最佳条件是pH 7.5和V_FW/V_PW比率为1.8.
- 在最佳比率 (V_FW/V_PW = 1.8) 下,甲产量达到 396.45 mLCH4/gVS,废物负载为 1.20 kgVS/m3/d.
结论:
- 甲发酵是利用黄油酸生物炼油厂的废物流的可行方法.
- 优化PW和FW的共同消化显著提高了甲生产和废物负载能力.
- 这种方法促进了对草的全面利用,为循环经济做出了贡献.
相关概念视频
01:30Environmental Applications of Microorganisms
3
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
3
01:23Microbial Fermentation
1
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
1