相关实验视频
Updated: Jul 4, 2025
08:43
Transformation of Organic Household Leftovers into a Peat Substitute
Published on: July 9, 2019
8.4K
耐火化合物的电化学氧化来自热水碳化工艺水中的耐火化合物
1Technical University of Darmstadt, Institute IWAR, Franziska-Braun-Str. 7, 64287, Darmstadt, Germany.
Chemosphere
|February 6, 2024
概括
电化学氧化有效地处理水热碳化 (HTC) 工艺水,消除超过97%的化学氧气需求 (COD). 这种方法矿化了耐火,显示了污泥处理和潜在的回收的前景.
科学领域:
- 环境工程 环境工程
- 水处理技术水处理技术
- 电化学 电化学 电化学
背景情况:
- 水热碳化 (HTC) 是一种正在发展中的污水污泥处理技术.
- HTC工艺用水含有不可生物降解的碳和类污染物,需要有效的处理解决方案.
- 有效的工艺水管理对于HTC对污水污泥的全面实施至关重要.
研究的目的:
- 为了研究电化学氧化 (EO) 对于处理HTC工艺水的有效性.
- 将EO性能与不同的生物预处理进行比较:没有,化学氧需求 (COD) 移除,化/脱化.
- 评估COD去除,矿化,能源消耗和毒性降低.
主要方法:
- 电化学氧化 (EO) 使用添加的钻石电极.
- 用三种不同的预处理策略处理HTC工艺水.
- 对COD,有机和无机物种 (NO3-N,NH4-N) 和Vibrio fischeri毒性的分析.
主要成果:
- 在所有测试的HTC工艺水中,EO实现了97%以上的COD去除.
- 有机和耐火被完全矿化成酸盐 (NO3-N).
- 观察到 (NH4-N) 和酸盐 (NO3-N) 的高度,表明回收的潜力.
结论:
- 电化学氧化是一种可行的技术来处理HTC工艺水,特别是在生物预处理后去除COD.
- 处理后获得的高度可能对回收应用有价值.
- 氧化显著降低了HTC工艺水的毒性,提高了其环境安全性.
相关概念视频
01:08Sample Preparation for Analysis: Advanced Techniques
349
Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
349
03:00Electrolysis
26.4K
In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
26.4K
02:37Oxidation of Alcohols
13.1K
In this lesson, the oxidation of alcohols is discussed in depth. The various reagents used for oxidation of primary and secondary alcohols are detailed, and their mechanism of action is provided.
The process of oxidation in a chemical reaction is observed in any of the three forms:
The process of oxidation in a chemical reaction is observed in any of the three forms:
13.1K