About: Valorization of Disposable COVID-19 Mask through the Thermo-Chemical Process

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

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Valorization of Disposable COVID-19 Mask through the Thermo-Chemical Process
Creator	Jung, S Kwon, Dou, E Lee, X
topic	covid:89439f22b11503df0959f2e1bcb2c534882c600f#this
Source	Elsevier; Medline; PMC
abstract	Abstract It becomes common to wear a disposable face mask to protect from coronavirus disease 19 (COVID-19) amid this pandemic. However, massive generations of contaminated face mask cause environmental concerns because current disposal processes (i.e., incineration and reclamation) for them release toxic chemicals. The disposable mask is made of different compounds, making it hard to be recycled. In this regard, this work suggests an environmentally benign disposal process, simultaneously achieving the production of valuable fuels from the face mask. To this end, CO2-assisted thermo-chemical process was conducted. The first part of this work determined the major chemical constituents of a disposable mask: polypropylene, polyethylene, nylon, and Fe. In the second part, pyrolysis study was employed to produce syngas and C1-2 hydrocarbons (HCs) from the disposable mask. To enhance syngas and C1-2 HCs formations, multi-stage pyrolysis was used for more C-C and C-H bonds scissions of the disposable mask. Catalytic pyrolysis over Ni/SiO2 further expedited H2 and CH4 formations due to its capability for dehydrogenation. In the presence of CO2, catalytic pyrolysis additionally produced CO, while pyrolysis in N2 did not produce it. Therefore, the thermo-chemical conversion of disposable face mask and CO2 could be an environmentally benign way to remove COVID-19 plastic waste, generating value-added products.
has issue date	2020-08-14(xsd:dateTime)
bibo:doi	10.1016/j.cej.2020.126658
bibo:pmid	32834763
has license	els-covid
sha1sum (hex)	89439f22b11503df0959f2e1bcb2c534882c600f
schema:url	https://doi.org/10.1016/j.cej.2020.126658
resource representing a document's title	Valorization of Disposable COVID-19 Mask through the Thermo-Chemical Process
has PubMed Central identifier	PMC7426216
has PubMed identifier	32834763
schema:publication	Chemical Engineering Journal
resource representing a document's body	covid:89439f22b11503df0959f2e1bcb2c534882c600f#body_text
is http://vocab.deri.ie/void#inDataset of	proxy:http/ns.inria.fr/covid19/89439f22b11503df0959f2e1bcb2c534882c600f
is schema:about of	named entity 'production' named entity 'current' named entity 'incineration' named entity 'COVID-19' named entity 'STAGE' named entity 'MAJOR' named entity 'PRODUCTION' named entity 'CHEMICAL PROCESS' named entity 'USED' named entity 'MULTI' named entity 'PART OF' named entity 'POLYETHYLENE' named entity 'ENVIRONMENTAL' named entity 'FACE MASK' covid:arg/89439f22b11503df0959f2e1bcb2c534882c600f named entity 'However' named entity 'wear' named entity 'constituents' named entity 'disposable' named entity 'disposable' named entity 'nylon' named entity 'simultaneously' named entity 'chemicals' named entity 'C-C' named entity 'coronavirus disease' named entity 'toxic chemicals' named entity 'incineration' named entity 'nylon' named entity 'environmental concerns' named entity 'polypropylene' named entity 'polyethylene' named entity 'pyrolysis' named entity 'syngas' named entity 'Chemical Process' named entity 'COVID-19' named entity 'low density polyethylene' named entity 'COVID-19' named entity 'PPE' named entity 'air quality' named entity 'functional groups' named entity 'SiO' named entity 'plastic' named entity 'pyrolysis' named entity 'air pollution' named entity 'personal protective equipment (PPE' named entity 'polyethylene' named entity 'Nickel nitrate' named entity 'polypropylene' named entity 'repeating units' named entity 'spectra' named entity 'pyrolysis' named entity 'C-C bond' named entity 'carbon' named entity 'Korean masks' named entity 'N 2' named entity 'pyrolysis' named entity 'amides' named entity 'HCs' named entity 'gas phase' named entity 'C-C' named entity 'N 2' named entity 'two-stage' named entity 'Highly contagious' named entity 'face mask' named entity 'heterogeneous reaction' named entity 'thermal degradation' named entity 'PPE' named entity 'gas phase' named entity 'reaction kinetics' named entity 'thermal energy' named entity 'Perkin-Elmer' named entity 'furnace' named entity 'SiO' named entity 'scissions' named entity 'pyrolysis' named entity 'HCs'

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