Nauka Przyroda Technologie

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2015 volume 9 issue 4, #55 DOI: 10.17306/J.NPT.2015.4.55
Marcin Spychała, Aleksandra Sowińska
Filter cake impact on the textile filtersfor wastewater treatment hydraulic capacity
Summary.

The aim of the study was to identify the filter cake hydraulic conductivity and its impact on the hydraulic capacity of textile filters for wastewater treatment. The study was carried out using septic tank effluent filtered on four types of filters of different thickness (0.9, 1.8, 3.6 and 7.2 mm). The dry biomass content was 13.45–36.7 mg TS per 1 cm2 at organic loading rate of 0.04–0.07 mg BOD5 per 1 mg d.m. per day. The filter cake dry mass was related to filter thickness. The dry mass content of filter cake was about 9.7–19.1% of whole filter cross-sectional profile TS content in the long-term experiment. The filter cake had a significant impact on the hydraulic capacity reduction due to its high density and small porosity. The volumetric density of filter cake biomass was almost twice as high as the volumetric density of biomass inside the textile filter. The filter hydraulic conductivity of a one-layer filter without filter cake was over four orders of magnitude higher than the hydraulic conductivity of a one-layer filter with filter cake formed during the short-term experiment.

Key words: biomass, filter cake, hydraulic capacity, hydraulic conductivity, septic tank effluent, textile filters for wastewater treatment
PDFFull text available in English in Adobe Acrobat format:
http://www.npt.up-poznan.net/tom9/zeszyt4/art_55.pdf

DOI: 10.17306/J.NPT.2015.4.55

For citation:

MLA Spychała, Marcin, and Aleksandra Sowińska. "Filter cake impact on the textile filtersfor wastewater treatment hydraulic capacity." Nauka Przyr. Technol. 9.4 (2015): #55. DOI: 10.17306/J.NPT.2015.4.55
APA Marcin Spychała, Aleksandra Sowińska (2015). Filter cake impact on the textile filtersfor wastewater treatment hydraulic capacity. Nauka Przyr. Technol. 9 (4), #55 DOI: 10.17306/J.NPT.2015.4.55
ISO 690 SPYCHAłA, Marcin, SOWIńSKA, Aleksandra. Filter cake impact on the textile filtersfor wastewater treatment hydraulic capacity. Nauka Przyr. Technol., 2015, 9.4: #55. DOI: 10.17306/J.NPT.2015.4.55
Corresponding address:
Marcin Spychała
Katedra Inżynierii Wodnej i Sanitarnej
Uniwersytet Przyrodniczy w Poznaniu
ul. Piątkowska 94
60-649 Poznań
Poland
e-mail: marsp@up.poznan.pl
Accepted for print: 1.07.2015