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吸收氧载体有助于通过微波热转换过程从污泥中恢复

Xiaoyu Yan¹, Shuheng Zhao², Jianjun Hu²

¹College of Mechanical & Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China.

Bioresource technology

|May 1, 2024

概括

吸收氧载体 (AOC) 在微波处理过程中将污泥中的难以提取的有机转化为无机. 这个过程从污泥炭中回收,使其能够作为可再生资源重复使用.

科学领域:

环境科学环境科学
化学工程是化学工程的重要组成部分.
材料科学材料科学材料科学

背景情况:

污泥处理带来了环境挑战.
从废物流中回收对于可持续性至关重要.
污泥中的有机很难提取和利用.

研究的目的:

调查吸收氧气载体 (AOC) 在污泥中的转化中的使用.
在微波热转换过程中将有机 (OP) 转化为容易提取的无机 (IP).
将丰富到污泥中,以便潜在的回收和重复使用.

主要方法:

用AOCs进行污泥的微波热转化.
屏幕分离用于AOC回收.
物种化 (OP,IP,NAlP,AP) 的化学分析.

主要成果:

有效诱导化合物的迁移和转化.
OP的高转化效率转化为非酸无机 (NAlP),随后转化为酸无机 (AP).
被成功地丰富到污泥炭中,主要是作为酸盐,以促进回收.

结论:

氧化产品有效地将污泥中的反抗性有机转化为有价值的无机形式.
开发的过程允许AOC的回收和从污泥炭中回收.
用丰富的泥炭可以作为一个可行的可再生源.

关键词:

吸收氧气的载体可以吸收氧气.形成的形式.的迁移和转变.这是泥泥.污泥充电污泥充电

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The Phosphorus Cycle

The Phosphorus Cycle

Unlike carbon, water, and nitrogen, phosphorus is not present in the atmosphere as a gas. Instead, most phosphorus in the ecosystem exists as compounds, such as phosphate ions (PO43-), found in soil, water, sediment and rocks. Phosphorus is often a limiting nutrient (i.e., in short supply). Consequently, phosphorus is added to most agricultural fertilizers, which can cause environmental problems related to runoff in aquatic ecosystems.