Spectroscopic and wet chemical characterization of solid waste organic matter of different age in landfill sites, southern Germany

Journal of Environmental Quality
Rupert Bäumler, Ingrid Kögel-Knabner

Abstract

Landfill sites are potential sources of hazardous emissions by degradation and transformation processes of waste organic matter. Its chemical composition and microbial degradability are key factors for risk management, after-care, and estimation of potential emissions. The aim of the study is to provide information about composition and extent of transformation of waste organic matter in four landfill sites in Bavaria, Southern Germany by means of (13)C NMR spectroscopy, acid-hydrolyzable carbohydrates, chloroform-methanol extractable lipids, acid-hydrolyzable proteins, and lignin compounds after CuO oxidation. Ten samples of about 20 to 25 yr, 15 to 20 yr, and 5 to 10 yr of deposition each were taken at 2 m depth intervals by grab drilling till 10-m depth. Increasing temperatures from about 15 degrees C at 2-m depth to >40 degrees C at 10-m depth are found at some of the sites, representing optimum conditions for mesophile methane bacteria. Moisture contents of 160 to 310 g kg(-1) (oven dry), however, provide limiting conditions for anaerobic biodecay. Spectroscopic and chemical variables generally indicate a low extent of biodegradation and transformation at all sites despite a considerable heterogeneity of the samples. Indep...Continue Reading

References

May 13, 2004·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Renate HuberPaul H Brunner
Mar 9, 2005·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Yinghui ZengShankha K Banerji
May 21, 2005·Waste Management·F CalvoM Szanto
Apr 21, 2006·Waste Management·Asa DavidssonJes la Cour Jansen

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Citations

Oct 16, 2016·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Yahya JaniAnders Kihl
Nov 18, 2010·Environmental Science & Technology·Sally BrownAndrew Carpenter

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