Laboratory appraisal of organic carbon changes in mixtures made with different inorganic wastes
作者： M. Camps Arbestain , M.L. Ibargoitia , Z. Madinabeitia , M.V. Gil , S. Virgel
DOI: 10.1016/J.WASMAN.2009.06.020
关键词:
摘要: Mixtures of organic and inorganic wastes were incubated to examine the changes in C (OC) contents. An anaerobic sludge a CaO-treated aerobic sludge, with OC concentrations 235 129 gkg(-1), used. The used - referred as "conditioners" shot blasting scrap, fettling, Linz-Donawitz slag, foundry sand (FS), fly ash from wood bark combustion (FA). total (TOC) KMnO(4)(-) oxidized determined. DTA-TGA profiles FTIR spectra also obtained. made FS contained significantly lower (P<0.05) amounts TOC (45 gkg(-1)) than rest mixtures, which was attributed non-existence reactive surfaces conditioner increased aeration induced by this material. Those FA higher (170 gkg(-1)), to: (i) addition an extra source black carbon (BC) FA, (ii) inhibition mineralization compounds present (e.g., amorphous aluminosilicates, BC). results highlight importance characteristics conditioners on fate OM originating sludges.
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