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dc.contributor.authorVlessidis, A. G.en
dc.contributor.authorTriantafyllidis, K. S.en
dc.contributor.authorEvmiridis, N. P.en
dc.date.accessioned2015-11-24T16:46:25Z-
dc.date.available2015-11-24T16:46:25Z-
dc.identifier.issn0043-1354-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/9066-
dc.rightsDefault Licence-
dc.subjectphotolab-wastewateren
dc.subjectphotodeveloping compounds removalen
dc.subjectnatural zeolitesen
dc.subjectadsorption isothermsen
dc.subjectkinetic rate profiles of uptake and regenerationen
dc.titleRemoval and recovery of p-phenylenediamines developing compounds from photofinishing lab-washwater using clinoptilolite tuffs from Greeceen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.secondary<Go to ISI>://000167617900027-
heal.identifier.secondaryhttp://ac.els-cdn.com/S004313540000395X/1-s2.0-S004313540000395X-main.pdf?_tid=9dcf8b7c59de2cf0084026ac5bb31e4b&acdnat=1335373518_7648f90b08d7247f699fbe2158dc60ad-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.publicationDate2001-
heal.abstractClinoptilolite tuffs from areas in Thrace region of Greece are compared with synthetic zeolites NaY and NH(4)Y for the uptake of N4-ethyl-N4-(2-methansulphonamidoethyl)-2-methyl-1,4-phenylenediamin (sesquisulphate, monohydrate) with the trade name CD-3 for the purpose to be used for clean-up and recycling photo-finishing and photo-developing washwaters. The cation-exchange capacity is found to be 6.15-11.1 mg/g for zeoliferous tuffs at equilibrium concentration of 50 ppm CD-3 in aqueous solution compared to 65.0 mg/g of NaY and 48.2 mg/g for NH4Y synthetic zeolites corresponding to the removal of CD-3 from 120 to 2001 of 50 ppm aqueous solution per kg of natural zeoliferous tuff; this capacity is only 6-10 times lower than type-Y synthetic zeolite. Initial rates of uptake are 20.8 mg/l/min for natural and 38.5 mg/l/min for synthetic zeolites. Regeneration levels of 55, 23, 35, and 33% are obtained for MCH, SF, NaY, and NH4Y, respectively. The rapid and almost complete uptake of CD-3 from its aqueous solutions at low CD-3 concentrations by the natural zeolites is promising for such an application. (C) 2001 Elsevier Science Ltd. All rights reserved.en
heal.publisherElsevieren
heal.journalNameWater Resen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά). ΧΗΜ

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