新的洞察力基多糖化物生物活性剂促进无氧暗发酵以在泥中生产气
Xuemei Yang1, Tiantian Yang2, Yazhou Xu3
1School of Chemical and Environmental Engineering, JiaoZuo University, JiaoZuo, 454000, China. yxm06102021@163.com.
Applied biochemistry and biotechnology
|April 3, 2024
概括
基多糖化物 (APG) 通过增强发酵,显著提高了从过剩的污泥 (ES) 中产生的产量. 这种生物基表面活性剂可以改善有机物分解和酶活性,为废物转化为能源提供更绿色的方法.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 化学工程是化学工程的重要组成部分.
背景情况:
- 过剩污泥 (ES) 的无氧发酵是资源回收和可持续废物管理的关键.
- 低解效率和消耗限制ES发酵中的产量.
- 开发高效的方法从ES生产气对于可再生能源至关重要.
研究的目的:
- 调查基多糖化物 (APG) 在增强ES用于生产的暗发酵中的有效性.
- 阐明APG提高产量和有机物降解的机制.
- 建立APG作为废物能源应用中的绿色和有效的添加剂.
主要方法:
- 生物基表面活性剂基多糖化物 (APG) 在过剩污泥的暗发酵中的应用.
- 优化APG剂量 (100mg/g总悬浮固体).
- 分析的生产,有机物释放,挥发性脂肪酸的积累和酶活动 (水解和消耗).
主要成果:
- 使用APG的最大气产量达到了17.8mL/g的VSS,是对照组的3.7倍.
- APG促进了有机物释放,将有机物减少率提高到34.8%.
- APG增强了水解酶活性,同时抑制了消耗的酶,导致产量增加.
结论:
- 基多糖化物 (APG) 是一种高效的生物基表面活性剂,可通过暗发酵从过剩的污泥中增强的产生.
- 通过增加有机物溶解度和优化酶途径,APG改善了这一过程.
- 本研究提出了一种新的,绿色和高效的战略,用于利用过剩的污泥资源用于可再生能源发电.
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