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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F06%3A00006326%21RIV08-MSM-25310___
rdf:type
skos:Concept n21:Vysledek
dcterms:description
V této práci byly testovány tři typy nanofiltračních membrán (TR60 - 2540, ESNA1, CSM NE 2540-70) tak, aby byly zjištěny optimální operační podmínky pro intenzitu toku permeátu a rejekci soli ve směsi reaktivní barvivo/voda/NaCl. Také byl zkoumán vliv složení nástřiku. Pro každou membránu byly provedeny tři sady experimentů se stejnou koncentrací soli a z různou koncentrací barviva v nástřiku. Hlavním důvodem diafiltračních experimentů bylo změřit závislost koncentrace soli v nástřiku na čase. Tyto experimenty ukázaly velký vliv koncentrace barviva v nástřiku na množství odstraněné soli. Z pokusu dále vyplývá, že čím vyšší koncentrace barviva v nástřiku, tím rychleji se vsádka odsolí, protože v tomto případě Donnanův potenciál má vyšší hodnotu, než v případě nižší koncentrace barviva v nástřiku. Všechny experimenty byly prováděny na membránových modulech velikosti 2540. In this study, three types (Toray TR60, ESNA1, Desal 5 DK) of nanofiltration membranes were tested to evaluate optimal operating conditions for flux values and salt rejection in reactive dye/salt mixtures separations. Effects of pressure and feed composition were investigated. Experiments showed that feed composition had a significant effect on flux values and Donnan effect had a significant effect on salt rejection. For every membrane was made three desalination experiments with same concentration, but with different concentration dye in the feed. Main purpose of diafiltration experiments was measured dependence of amount of eliminated salt and concentration of the salt in feed on time. These experiments had shown significant effect of dye concentration on salt elimination. The higher concentration of the dye in the feed means the faster time of desalination, because the Donnan potential in this case is bigger then in lower concentration of dye in the feed. All experiments were realised wit In this study, three types (Toray TR60, ESNA1, Desal 5 DK) of nanofiltration membranes were tested to evaluate optimal operating conditions for flux values and salt rejection in reactive dye/salt mixtures separations. Effects of pressure and feed composition were investigated. Experiments showed that feed composition had a significant effect on flux values and Donnan effect had a significant effect on salt rejection. For every membrane was made three desalination experiments with same concentration, but with different concentration dye in the feed. Main purpose of diafiltration experiments was measured dependence of amount of eliminated salt and concentration of the salt in feed on time. These experiments had shown significant effect of dye concentration on salt elimination. The higher concentration of the dye in the feed means the faster time of desalination, because the Donnan potential in this case is bigger then in lower concentration of dye in the feed. All experiments were realised wit
dcterms:title
The confirmation of nanofiltration membranes for dye desalination Porovnání nanofiltračních membrán pro odsolování organických barviv The confirmation of nanofiltration membranes for dye desalination
skos:prefLabel
The confirmation of nanofiltration membranes for dye desalination The confirmation of nanofiltration membranes for dye desalination Porovnání nanofiltračních membrán pro odsolování organických barviv
skos:notation
RIV/00216275:25310/06:00006326!RIV08-MSM-25310___
n3:strany
058/1-058/11
n3:aktivita
n9:Z
n3:aktivity
Z(MSM0021627502)
n3:dodaniDat
n4:2008
n3:domaciTvurceVysledku
n5:4315081
n3:druhVysledku
n18:D
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
469588
n3:idVysledku
RIV/00216275:25310/06:00006326
n3:jazykVysledku
n20:eng
n3:klicovaSlova
nanofiltration; desalination; membrane
n3:klicoveSlovo
n10:membrane n10:desalination n10:nanofiltration
n3:kontrolniKodProRIV
[6B97015A76F8]
n3:mistoKonaniAkce
Tatranské Matliare, Slovakia
n3:mistoVydani
Bratislava, Slovakia
n3:nazevZdroje
Proceedings of the 33rd International Conference of Slovak Society of Chemical Engineering
n3:obor
n11:CI
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n4:2006
n3:tvurceVysledku
Kopecký, Vojtěch Mikulášek, Petr
n3:typAkce
n17:EUR
n3:zahajeniAkce
2006-06-22+02:00
n3:zamer
n19:MSM0021627502
s:numberOfPages
11
n14:hasPublisher
Slovak Society of Chemical Engineering
n7:isbn
80-227-2409-2
n16:organizacniJednotka
25310