在动态空气化下,玉米和猪的有氧堆肥特性
Lili Wang1,2, Zikuo Feng1, Zhongjiang Wang1,2
1College of Engineering, Northeast Agricultural University, Harbin, People's Republic of China.
Environmental technology
|May 31, 2024
概括
动态通风通过根据微生物需求调整氧气供应来优化有氧堆肥. 这种方法提高了温度,加快了分解速度,并大大减少了能源消耗和排放.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 废物管理 废物管理
背景情况:
- 传统的有氧堆肥依赖于连续或间隔的通风,往往导致低效的氧气供应或过度的通风.
- 微生物的氧气消耗在不同的堆肥阶段有很大的差异,需要更适应的空气化策略.
研究的目的:
- 设计和研究一个动态的按需有氧堆肥系统,用于玉米和猪.
- 评估动态通风对温度,物理化学性质和整体堆肥效率的影响.
- 为了优化氧气度控制参数的动态通风.
主要方法:
- 开发一种具有动态,按需通风的有氧堆肥系统.
- 在整个堆肥过程中监测温度,氧度和物理化学特征.
- 基于废气氧气度的空气控制的优化,目标为14%至17%.
主要成果:
- 动态通风导致更高的温度和长时间的高温阶段,加速有机物分解.
- 与传统方法相比,观察到空气频率,热量/水分损失和功耗显著减少.
- 在最佳条件下 (14%-17% O2) 产生了8.5天以上的50°C,37.59%的有机物去除和74.59%的种子发芽指数.
- 电力消耗下降了33.58%. 电力消耗下降了33.58%.
结论:
- 动态按需通风是提高有氧堆肥效率和质量的优越方法.
- 这种方法有效地减少了能源消耗和热废气排放,特别是在成熟阶段.
- 动态通风为有机肥行业提供了具有成本效益和可扩展性的解决方案.
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