Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 497192
Title Presence of helminth eggs in domestic wastewater and its removal at low temperature UASB reactors in Peruvian highlands
Author(s) Yaya-Beas, Rosa Elena; Cadillo-La-Torre, Erika Alejandra; Kujawa-Roeleveld, Katarzyna; Lier, Jules B. van; Zeeman, Grietje
Source Water Research 90 (2016). - ISSN 0043-1354 - p. 286 - 293.
DOI http://dx.doi.org/10.1016/j.watres.2015.11.023
Department(s) Sub-department of Environmental Technology
WIMEK
Publication type Refereed Article in a scientific journal
Publication year 2016
Keyword(s) Helminth eggs - Municipal wastewater - Pathogens - Sludge bed filtration capacity - UASB reactor
Abstract

This work studied the anaerobic sludge filtration capacity for pathogens reduction in a 29 L and 1.65 m height lab-scale UASB reactor treating domestic wastewater at low temperatures in the city of Puno (Peru). The anaerobic sludge filtration capacity was performed applying upflow velocities of 0.12, 0.14, 0.16, 0.20, 0.27 and 0.41 m/h. Results show that the HE removal varied between 89 and 95% and the most common specie was Ascaris lumbricoides. Faecal coliform and Escherichia coli removal varied in the range of 0.9-2.1 and 0.8-1.6 log10 respectively. Likely related to the low operational temperatures, the total COD removal varied between 37 and 62%. The best performance in terms of removal of HE, total COD and turbidity was obtained at the lowest upflow velocity of 0.12 m/h. In order to meet WHO standards for water reuse a post-treatment unit will be required to polish the effluent.

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