About: Selectivef lotation of plastics mixtures with polystyrene

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The study deals with the comparison of different flotation agents influencing the wettability of the plastic material. Two depressors (calcium lignosulfonate and tannin) and two frothers (a-terpineol and tetraethylenglykoldodecylether) were tested in this study. The impact of flotation agents concentration on the wettability of different plastic materials has been determined. In order to establish an optimal in-use concentration of the flotation agents - the range where the slope concentration dependence of surface tension of acquires its maximum values - the concentration dependence of surface tension and contact angles of aqueous solutions has been measured. Based on the obtained results, appropriate combinations of flotation agents were proposed to enable separation of polystyrene from a two-component mixture containing polyethylene, polypropylene, or polymethylmethacrylate. The separation was successful in all cases. The study deals with the comparison of different flotation agents influencing the wettability of the plastic material. Two depressors (calcium lignosulfonate and tannin) and two frothers (a-terpineol and tetraethylenglykoldodecylether) were tested in this study. The impact of flotation agents concentration on the wettability of different plastic materials has been determined. In order to establish an optimal in-use concentration of the flotation agents - the range where the slope concentration dependence of surface tension of acquires its maximum values - the concentration dependence of surface tension and contact angles of aqueous solutions has been measured. Based on the obtained results, appropriate combinations of flotation agents were proposed to enable separation of polystyrene from a two-component mixture containing polyethylene, polypropylene, or polymethylmethacrylate. The separation was successful in all cases. (en)
Title	Selectivef lotation of plastics mixtures with polystyrene Selectivef lotation of plastics mixtures with polystyrene (en)
skos:prefLabel	Selectivef lotation of plastics mixtures with polystyrene Selectivef lotation of plastics mixtures with polystyrene (en)
skos:notation	RIV/60461373:22340/02:00006933!RIV/2004/MSM/223404/N
http://linked.open.../vavai/riv/strany	J5.3(1-8)
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 223400007)
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Basařová, Pavlína Bartovská, Lidmila Kořínek, Karel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	663202
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/02:00006933
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	selective flotation of plastics mixtures with polystyrene; surface tension; flotation agent (en)
http://linked.open.../riv/klicoveSlovo	surface tension flotation agent selective flotation of plastics mixtures with polystyrene
http://linked.open...ontrolniKodProRIV	[404E9740BBDD]
http://linked.open...v/mistoKonaniAkce	Praha, ČR
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	15th Int. Congress of Chem. and Process Engng - CHISA, Prague 25.- 29. 8. 2002, CD-ROM
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2002
http://linked.open...iv/tvurceVysledku	Basařová, Pavlína Bartovská, Lidmila Kořínek, Karel
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2002-08-25 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223400007
number of pages	10 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Nakladatelství Ing.J.Novosad
https://schema.org/isbn	80-86059-33-2
http://localhost/t...ganizacniJednotka	22340

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