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活性污泥法中有机物的非氧化去除

Nonoxidative removal of organics in the activated sludge process.

作者信息

Modin Oskar, Persson Frank, Wilén Britt-Marie, Hermansson Malte

机构信息

Division of Water Environment Technology, Department of Civil and Environmental Engineering, Chalmers University of Technology , Gothenburg , Sweden.

Department of Chemistry and Molecular Biology, Gothenburg University , Gothenburg , Sweden.

出版信息

Crit Rev Environ Sci Technol. 2016 Apr 2;46(7):635-672. doi: 10.1080/10643389.2016.1149903. Epub 2016 Feb 18.

DOI:10.1080/10643389.2016.1149903
PMID:27453679
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4940897/
Abstract

The activated sludge process is commonly used to treat wastewater by aerobic oxidation of organic pollutants into carbon dioxide and water. However, several nonoxidative mechanisms can also contribute to removal of organics. Sorption onto activated sludge can remove a large fraction of the colloidal and particulate wastewater organics. Intracellular storage of, e.g., polyhydroxyalkanoates (PHA), triacylglycerides (TAG), or wax esters can convert wastewater organics into precursors for high-value products. Recently, several environmental, economic, and technological drivers have stimulated research on nonoxidative removal of organics for wastewater treatment. In this paper, we review these nonoxidative removal mechanisms as well as the existing and emerging process configurations that make use of them for wastewater treatment. Better utilization of nonoxidative processes in activated sludge could reduce the wasteful aerobic oxidation of organic compounds and lead to more resource-efficient wastewater treatment plants.

摘要

活性污泥法通常用于通过将有机污染物好氧氧化为二氧化碳和水来处理废水。然而，一些非氧化机制也有助于有机物的去除。吸附到活性污泥上可以去除大部分胶体和颗粒状废水有机物。例如，聚羟基脂肪酸酯（PHA）、三酰甘油（TAG）或蜡酯的细胞内储存可以将废水有机物转化为高价值产品的前体。最近，一些环境、经济和技术驱动因素激发了对用于废水处理的有机物非氧化去除的研究。在本文中，我们综述了这些非氧化去除机制以及利用它们进行废水处理的现有和新兴工艺配置。在活性污泥中更好地利用非氧化工艺可以减少有机化合物的浪费性好氧氧化，并导致更具资源效率的废水处理厂。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/ec9d0a4cefcc/best_a_1149903_f0009_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/46f2e378ad75/best_a_1149903_f0001_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/49fbb6d2ecd3/best_a_1149903_f0002_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/3d18082fc332/best_a_1149903_f0003_oc.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/af1c00307363/best_a_1149903_f0004_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/54b7aefa31a0/best_a_1149903_f0005_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/c896113b4339/best_a_1149903_f0006_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/a216474ca4d6/best_a_1149903_f0007_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/495064eb1615/best_a_1149903_f0008_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/ec9d0a4cefcc/best_a_1149903_f0009_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/46f2e378ad75/best_a_1149903_f0001_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/49fbb6d2ecd3/best_a_1149903_f0002_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/3d18082fc332/best_a_1149903_f0003_oc.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/af1c00307363/best_a_1149903_f0004_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/54b7aefa31a0/best_a_1149903_f0005_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/c896113b4339/best_a_1149903_f0006_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/a216474ca4d6/best_a_1149903_f0007_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/495064eb1615/best_a_1149903_f0008_b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd81/4940897/ec9d0a4cefcc/best_a_1149903_f0009_b.jpg

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