创新型低成本再生填料（LCRF）在奶牛场废水厌氧处理中的性能——中试规模研究
Performance of an Innovative Low-Cost Recycled Filling (LCRF) in Anaerobic Treatment of Dairy Effluent-A Pilot-Scale Study.
作者信息
Zieliński Marcin, Dębowski Marcin, Kazimierowicz Joanna
机构信息
Department of Environmental Engineering, Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, 10-720 Olsztyn, Poland.
Department of Water Supply and Sewage Systems, Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, 15-351 Bialystok, Poland.
出版信息
Materials (Basel). 2022 Nov 5;15(21):7815. doi: 10.3390/ma15217815.
The rapid growth in dairy production leads to increasing outputs of high-load effluent, necessitating new methods of treating such waste. Anaerobic processes have been increasingly popular but are hamstrung by limited nutrient removal efficiency. The aim of the present study was to investigate whether low-cost recycled filling (LCRF) improves the anaerobic treatment of dairy effluent. The addition of LCRF was found to increase both COD removal (86.1 ± 2.6%-92.8 ± 1.6%) and P removal (22.1 ± 3.5% to 36.9 ± 4.6%) from the wastewater. The LCRF ensured near-neutral pH and stabilized the structure of the anaerobic microbe community (including Archaea) across all pollutant loads tested. This translated to efficient biogas production and high methane content in the LCRF reactors, peaking at 0.35 ± 0.01 m/kg COD and 68.2 ± 0.6% (respectively) in the best-performing variant.
乳制品产量的快速增长导致高负荷废水的产出增加，因此需要新的方法来处理此类废物。厌氧工艺越来越受欢迎，但受限于有限的养分去除效率。本研究的目的是调查低成本回收填料（LCRF）是否能改善乳制品废水的厌氧处理。研究发现，添加LCRF可提高废水中化学需氧量（COD）的去除率（从86.1±2.6%提高到92.8±1.6%）和磷的去除率（从22.1±3.5%提高到36.9±4.6%）。LCRF确保了接近中性的pH值，并在所有测试的污染物负荷下稳定了厌氧微生物群落（包括古菌）的结构。这使得LCRF反应器能够高效生产沼气且甲烷含量高，在性能最佳的变体中分别达到0.35±0.01立方米/千克COD和68.2±0.6%的峰值。
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