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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F05%3A00002805%21RIV08-MSM-25310___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
V oblasti čištění odpadních vod a úpravy pitné vody nahradily v posledních letech membránové filtrace řadu konvenčních separačních technik. Ultrafiltrace a mikrofiltrace se často používají pro odstranění suspendovaných a koloidních částic z vodných systémů. Lepšího separačního účinku lze dosáhnout kombinací těchto technik s dalším procesem úpravy vody, např.s adsorpcí nebo s bioreaktory. Cílem této práce bylo studium procesu spojujícího membránovou mikrofiltraci a sorpci amonných iontů na přírodním zeolitu ? klinoptilolitu. Sorpční vlastnosti byly zkoumány u tří frakcí zeolitu s rozdílnou velikostí částic. Experimenty byly zaměřeny na studium reakční kinetiky a stanovení sorpční kapacity. Bylo zjištěno, že v souladu s teorií vykazuje maximální sorpční kapacitu pro amonné ionty nejjemnější frakce klinoptilolitu a sorpční kapacita se zvyšuje s rovnovážnou koncentrací NH4+ iontů. V závěru byly porovnány výsledky vsádkových a dynamických experimentů. Ultrafiltration and microfiltration are very effective in solid-liquid separation and can operate at very low pressure. Several recent developments have been reported to combine these membrane processes with other conventional treatment processes so that various dissolved species can also be removed. Among them, membrane filtration with adsorption and membrane bioreactor have shown great promise in water and wastewater treatment. The aim of this work was study of sorptive ability of natural zeolite ? clinoptilolite ? for ammonium ions. Experimental part of the work was aimed at determination of clinoptilolites 3 fractions sorptive capacity as well as adsorption kinetics measurements at batch and dynamic sets. All experiments were performed under isothermal conditions and then the sorption isotherms were estimated. According to the theory, it was found, that the smallest clinoptilolite fraction resulted in the highest ammonium exchange capacity probably caused by a higher mass-transfer into the z Ultrafiltration and microfiltration are very effective in solid-liquid separation and can operate at very low pressure. Several recent developments have been reported to combine these membrane processes with other conventional treatment processes so that various dissolved species can also be removed. Among them, membrane filtration with adsorption and membrane bioreactor have shown great promise in water and wastewater treatment. The aim of this work was study of sorptive ability of natural zeolite ? clinoptilolite ? for ammonium ions. Experimental part of the work was aimed at determination of clinoptilolites 3 fractions sorptive capacity as well as adsorption kinetics measurements at batch and dynamic sets. All experiments were performed under isothermal conditions and then the sorption isotherms were estimated. According to the theory, it was found, that the smallest clinoptilolite fraction resulted in the highest ammonium exchange capacity probably caused by a higher mass-transfer into the z
dcterms:title
The Water Treatment Using a Combined Membrane Microfiltration Process The Water Treatment Using a Combined Membrane Microfiltration Process Úprava vody pomocí kombinovaného membránového procesu
skos:prefLabel
The Water Treatment Using a Combined Membrane Microfiltration Process Úprava vody pomocí kombinovaného membránového procesu The Water Treatment Using a Combined Membrane Microfiltration Process
skos:notation
RIV/00216275:25310/05:00002805!RIV08-MSM-25310___
n3:strany
229/1-229/8
n3:aktivita
n9:Z
n3:aktivity
Z(MSM0021627502)
n3:dodaniDat
n12:2008
n3:domaciTvurceVysledku
n5:1790870 n5:3154483 n5:4412257
n3:druhVysledku
n14:D
n3:duvernostUdaju
n21:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
551279
n3:idVysledku
RIV/00216275:25310/05:00002805
n3:jazykVysledku
n17:eng
n3:klicovaSlova
water treatment; microfiltration; NH4+ ions; clinoptilolite sorptive capacity
n3:klicoveSlovo
n10:water%20treatment n10:NH4%2B%20ions n10:microfiltration n10:clinoptilolite%20sorptive%20capacity
n3:kontrolniKodProRIV
[74FFB2205CCD]
n3:mistoKonaniAkce
Tatranské Matliare, Slovensko
n3:mistoVydani
Bratislava, Slovensko
n3:nazevZdroje
Proceedings of 32nd International Conference of Slovak Society of Chemical Engineering
n3:obor
n13:CI
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n12:2005
n3:tvurceVysledku
Cakl, Jiří Doleček, Petr Jiránková, Hana
n3:typAkce
n15:EUR
n3:zahajeniAkce
2005-05-23+02:00
n3:zamer
n8:MSM0021627502
s:numberOfPages
8
n4:hasPublisher
Slovak Society of Chemical Engineering
n18:isbn
80-227-2224-3
n16:organizacniJednotka
25310