Open AccessAssessment of biological activity of fine fraction from Högbytorp landfill by oxygen consumption measurement
Author(s) -
M. C. Rang,
Kaja Orupõld,
Mait Kriipsalu,
William Hogland
Publication year - 2017
Publication title -
linnaeus eco-tech
Language(s) - English
Resource type - Journals
ISSN - 2002-8008
DOI - 10.15626/eco-tech.2014.064
Subject(s) - fraction (chemistry) , environmental science , oxygen , respiration , mean value , environmental chemistry , waste management , environmental engineering , chemistry , engineering , biology , mathematics , statistics , chromatography , botany , organic chemistry
The objective of this study was to estimate the biological activity of fine fraction excavated from the Ragn-Sells AB landfill site at Högbytorp (40 km north-west of Stockholm, Sweden). For this purpose cumulative oxygen consumption (respiration activity) of the fine fraction was measured with OxiTop® system. The Högbytorp landfill was sampled from 4 test-pits, each from 4 different depths. Altogether 16 samples were gathered, screened (<10 mm) and analysed in the laboratory. The mean oxygen consumption of fine fraction during 7 days was 7.6±4.1 and during 4 days 5.6±3.0 mgO2 g-1. The variability of respiration activity betweenfine fraction samples from the Högbytorp landfill is discussed. The results are compared with the proposed value for material suitable for biocover construction and also with landfill acceptance criteria for waste set in a few countries.