About: Chromium removal from wastewater by reverse osmosis

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.wseas.org/multimedia/journals/environment/2014/a185715-241.pdf
Description	This study describes the removal of chromium from wastewater using pressure-driven membrane separation processes. It describes the rejection of trivalent chromium using a commercial membrane for reverse osmosis typed RO98pHt (Alfa Laval, Sweden). Model solutions of chromium were used for performing of separation experiments. The effects of feed pH, chromium concentration and temperature were investigated and conductivity values of all streams were observed. The results showed that pH of the feed solution and the form of occurrence have influence on the stability of dissolved particles with possible negative impact on membrane fouling. The stability of prepared solutions was managed by the diagram of area of prevailing existence. Membrane rejected almost 100% of Cr(III) at various pH values using 100 mg.L-1 model solution, operating pressure 1.5 MPa and at temperature 20°C. Similar results showed separation experiments using various Cr(III) concentration from 10 till 560 mg.L-1 and pH=5±0.2. Increase of operating temperature causes higher permeate flux and has no significant influence on the rejection level of Cr(III). Obtained results show differences between various feeds separations containing the same pollutant and usage possibility of reverse osmosis for wastewater treatment. This study describes the removal of chromium from wastewater using pressure-driven membrane separation processes. It describes the rejection of trivalent chromium using a commercial membrane for reverse osmosis typed RO98pHt (Alfa Laval, Sweden). Model solutions of chromium were used for performing of separation experiments. The effects of feed pH, chromium concentration and temperature were investigated and conductivity values of all streams were observed. The results showed that pH of the feed solution and the form of occurrence have influence on the stability of dissolved particles with possible negative impact on membrane fouling. The stability of prepared solutions was managed by the diagram of area of prevailing existence. Membrane rejected almost 100% of Cr(III) at various pH values using 100 mg.L-1 model solution, operating pressure 1.5 MPa and at temperature 20°C. Similar results showed separation experiments using various Cr(III) concentration from 10 till 560 mg.L-1 and pH=5±0.2. Increase of operating temperature causes higher permeate flux and has no significant influence on the rejection level of Cr(III). Obtained results show differences between various feeds separations containing the same pollutant and usage possibility of reverse osmosis for wastewater treatment. (en)
Title	Chromium removal from wastewater by reverse osmosis Chromium removal from wastewater by reverse osmosis (en)
skos:prefLabel	Chromium removal from wastewater by reverse osmosis Chromium removal from wastewater by reverse osmosis (en)
skos:notation	RIV/70883521:28140/14:43871958!RIV15-MSM-28140___
http://linked.open...avai/riv/aktivita	O
http://linked.open...avai/riv/aktivity	O
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Kocurek, Pavel Bařinová, Michaela
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Tomáše Bati ve Zlíně / Fakulta aplikované informatiky
http://linked.open...dnocenehoVysledku	7240
http://linked.open...ai/riv/idVysledku	RIV/70883521:28140/14:43871958
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Wastewater treatment; Tanning; Reverse osmosis; Pollutant; Membrane separation; Leather industry; Chromium (en)
http://linked.open.../riv/klicoveSlovo	Wastewater treatment Chromium Reverse osmosis Pollutant Membrane separation Leather industry Tanning
http://linked.open...odStatuVydavatele	GR - Řecká republika
http://linked.open...ontrolniKodProRIV	[D9900595E47B]
http://linked.open...i/riv/nazevZdroje	WSEAS Transactions on Environment and Development
http://linked.open...in/vavai/riv/obor	DJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	10
http://linked.open...iv/tvurceVysledku	Kolomazník, Karel Kocurek, Pavel Bařinová, Michaela
issn	1790-5079
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	28140

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