The influence of hydraulic loading on biofilm properties in a subsurface wastewater infiltration system

• Autorzy: Zhang L. , Yang J.

Identyfikatory

DOI

10.1515/aep-2016-0044

• Języki publikacji: EN

Abstrakty

EN

In this study, a pilot-scale subsurface wastewater infiltration system (SWIS) was deployed to study landscape water treatment. The goal of the study was to investigate the effects of hydraulic loading on pollutant removal and the spatial distribution of biofilm properties in SWIS. Results showed that the efficiencies of chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP) removal degraded as hydraulic loading increased. Furthermore, quantities of the biofilm properties parameter s increased with the hydraulic loading. Polysaccharide and protein levels ranged from 560 to 1110 μg/g filler and 60 to 190 μg/g filler, respectively, at a hydraulic loading of 0.2 m/d. At a hydraulic loading of 0.4 m/d, the quantities of polysaccharide and protein ranged from 1200 to 3300 μg/g filler and 80 to 290 μg/g filler, respectively. Biofilm intensity and biofilm activity per unit weight decreased with the increase in hydraulic loading.

Słowa kluczowe

EN

subsurface wastewater infiltration system; biofilms; hydraulic loading; spatial distribution; biofilm properties

• Wydawca: Institute of Environmental Engineering, Polish Academy of Sciences
• Czasopismo: Archives of Environmental Protection
• Rocznik: 2016
• Tom: Vol. 42, no. 4
• Strony: 70--79
• Opis fizyczny: Bibliogr. 36 poz., tab., wykr.

Twórcy

autor

Zhang L.

• Henan University of Technology, China School of Chemistry and Chemical Engineering
• Tongji University, China College of Environmental Science and Engineering

autor

Yang J.

• Tongji University, China College of Environmental Science and Engineering

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.