About: Influence of supercritical water treatment on heavy metals in medical waste incinerator fly ash

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About: Influence of supercritical water treatment on heavy metals in medical waste incinerator fly ash Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Influence of supercritical water treatment on heavy metals in medical waste incinerator fly ash
Creator	Zhang, Fu-Shen Zhao, Lijuan Bo, Da
topic	covid:9f3a074cf50bbc8bc2fbbe209bf4dc980d9006d6#this
Source	Elsevier; Medline; PMC
abstract	Abstract In this work, medical waste (MW) incinerator fly ashes from different types of incinerators were subjected to supercritical water (SCW) and SCW+H2O2 (SCWH) treatments. Sequential extraction experiments showed that, after SCW treatment, heavy metals in exchangeable and carbonate forms in the ashes could be transferred into other relatively stable forms, e.g., Ba and Cr into residual fraction, Cu and Pb into organic matter fraction. SCWH treatment could stabilize heavy metals in Fe–Mn oxides and residual fractions. However, the behavior of As was quite different from heavy metals, which could be leached out from residue fraction after SCW and SWCH treatments. The leached As tended to absorb onto Fe–Mn oxides and organic matters under near neutral environment, but it could react with Ca2+ at lower pH, increasing the mobility of this element. Therefore, it is necessary to neutralize acidic ash to near neutral condition before subjecting it to SCW and SCWH treatments so as to effectively stabilize hazardous elements in the ash. Consequently, it is believed that SCWH treatment is an effective alternative for hazardous elements detoxification in MW fly ash.
has issue date	2009-10-15(xsd:dateTime)
bibo:doi	10.1016/j.jhazmat.2009.04.134
bibo:pmid	19482422
has license	els-covid
sha1sum (hex)	9f3a074cf50bbc8bc2fbbe209bf4dc980d9006d6
schema:url	https://doi.org/10.1016/j.jhazmat.2009.04.134
resource representing a document's title	Influence of supercritical water treatment on heavy metals in medical waste incinerator fly ash
has PubMed Central identifier	PMC7115779
has PubMed identifier	19482422
schema:publication	Journal of Hazardous Materials
resource representing a document's body	covid:9f3a074cf50bbc8bc2fbbe209bf4dc980d9006d6#body_text
is http://vocab.deri.ie/void#inDataset of	proxy:http/ns.inria.fr/covid19/9f3a074cf50bbc8bc2fbbe209bf4dc980d9006d6
is schema:about of	named entity 'INFLUENCE' named entity 'INCINERATOR' named entity 'MEDICAL WASTE' named entity 'residue' named entity 'effectively' named entity 'SCW' named entity 'element' named entity 'react' named entity 'FLY' named entity 'ASH' named entity 'TREATMENT' named entity 'DIFFERENT' named entity 'BUT' named entity 'FRACTION' named entity 'COULD BE' named entity 'ELEMENTS' named entity 'FORMS' named entity 'ENVIRONMENT' named entity 'SCW' named entity 'ACIDIC' named entity 'EXTRACTION' named entity 'CONDITION BEFORE' named entity 'TYPES' named entity 'EFFECTIVE' named entity 'MEDICAL WASTE' named entity 'NEAR' named entity 'RESIDUE' named entity 'SEQUENTIAL' named entity 'NEUTRAL' covid:arg/9f3a074cf50bbc8bc2fbbe209bf4dc980d9006d6 named entity 'OXIDES' named entity 'STABLE' named entity 'INCINERATORS' named entity 'ELEMENT' named entity 'REACT' named entity 'LOWER' named entity 'ORGANIC MATTER' named entity 'BEHAVIOR' named entity 'WATER' named entity 'TREATMENTS' named entity 'HEAVY METALS' named entity 'HEAVY METALS' named entity 'WATER TREATMENT' named entity 'STABILIZE' named entity 'FRACTIONS' named entity 'EXPERIMENTS' named entity 'ALTERNATIVE' named entity '2 O' named entity 'ABSORB' named entity 'ORGANIC' named entity 'CARBONATE' named entity 'RESIDUAL' named entity 'WORK' named entity 'DETOXIFICATION' named entity 'MOBILITY' named entity 'INCINERATOR' named entity 'INCREASING' named entity 'TRANSFERRED' named entity 'NECESSARY' named entity 'H 2' named entity 'medical waste' named entity 'mobility' named entity 'However' named entity 'alternative' named entity 'neutralize' named entity 'heavy metals' named entity 'heavy metals' named entity 'believed' named entity 'oxides' named entity 'condition' named entity 'heavy metals' named entity 'heavy metals' named entity 'organic matters' named entity 'SCW' named entity 'SCW' named entity 'organic matter' named entity 'incinerator'

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