高湿度污泥的自持性化处理技术:试点规模的试验,连续运行
Lun Ma1, Yu Qiao2, Jingchun Huang2
1School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan 430070, PR China.
Waste management (New York, N.Y.)
|August 10, 2024
概括
这项研究将污泥化技术扩展到试点水平,优化了连续运行. 关键发现为有效的,低能耗的废物处理提供了残留物排放间隔和流量.
科学领域:
- 环境工程 环境工程
- 废物管理技术 废物管理技术
- 燃烧科学 燃烧科学
背景情况:
- 化提供了一种低能耗,低成本的方法来处理高湿度的污泥.
- 现有的研究主要使用实验室规模的批量处理;试点规模的连续运行数据有限.
研究的目的:
- 在长期连续运行下评估试点规模的化性能.
- 为了研究残留物排放间隔和达西速度对效率的影响.
- 分析残留物,烟气和液体凝结物的特性.
主要方法:
- 扩大了一个试验反应堆到2.0米高.
- 进行了长期连续运行测试.
- 监测温度演变,残留物组成,烟气排放 (O2,CO,NOx,VOC,二氧化物) 和液体冷凝液.
主要成果:
- 排放间隔显著影响反应稳定性,取决于化速度与原料下降.
- 对不同的达西速度 (2.5-5.0厘米/秒) 确定了最佳放电间隔 (30-40秒).
- 对未燃烧的含量,重金属和排放的分析提供了全面的性能数据.
结论:
- 建议在实际应用中使用30秒的放电间隔,达西速度为3.5厘米/秒.
- 这种优化条件确保了稳定的反应位置和高效的污泥处理.
- 这项研究为扩大连续炼工艺提供了关键数据.
相关概念视频
Microbial Wastewater Treatment
Microbial communities in aquatic ecosystems play a key role in the natural breakdown of contaminants introduced through domestic and industrial effluents. Acting as biological catalysts, these microbes change and mineralize a wide range of organic and inorganic pollutants under different redox conditions.In oxygen-rich surface waters, aerobic heterotrophs lead organic matter breakdown, using oxygen as the terminal electron acceptor to efficiently oxidize substrates to carbon dioxide and water.
Production of Alcohol
Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...
Biological Treatment of Effluent and Waste Water
Biological wastewater treatment relies on the metabolic activity of microorganisms to remove pollutants from sewage. In modern treatment systems, this process is organized into sequential stages that progressively reduce solid material, dissolved organic matter, and microbial contamination. Each stage plays a distinct role in improving water quality and preparing the effluent for safe discharge or reuse.Primary and Secondary TreatmentPrimary treatment is a physical process that removes large...


