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Wet Oxidation of Process Waters from the Hydrothermal Carbonization of Sewage Sludge

descriptionPublicationkeyboard_double_arrow_right Article , Journal 18 Apr 2018Publisher:WileyJournal:Chemie Ingenieur Technik, volume 90, pages 872-880 (issn: 0009-286X, eissn: 1522-2640,

Authors: Christoph Fühner; Harald Wedwitschka; Barbara Weiner; Marc Breulmann; Frank-Dieter Kopinke;

doi: 10.1002/cite.201700050

Wet Oxidation of Process Waters from the Hydrothermal Carbonization of Sewage Sludge

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Abstract

AbstractCombing hydrothermal carbonization (HTC) of sewage sludge with wet oxidation of the resulting process waters (PWs) is a favorable economic process leading to a wastewater that is better amenable to biological treatments. Five PWs from HTC of sewage sludge and straw were oxidized with molecular oxygen. A good removal of chemical oxygen demand and dissolved organic carbon was shown. The oxidized waters proved good substrates for a subsequent anaerobic digestion. However, the oxidized PWs were identified as more toxic in germination tests with cress (Lepidium sativum L.) compared to the untreated PWs.

Related Organizations

Helmholtz Association of German Research Centres
Germany
Helmholtz Centre for Environmental Research
Germany

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	29
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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%