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Razbarvanje odpadnih voda procesa barvanja s postopki flokulacije in koagulacijePoberžnik, Mojca ; Simonič, MarjanaOdpadne barvalne kopeli po barvanju celuloznih vlaken z reaktivnimi barvili so zelo obarvane, saj vsebujejo večje količine hidroliziranih barvil. V raziskavi smo proučevali učinkovitost postopkov ... koagulacije in flokulacije za čiščenje odpadnih barvalnih kopeli neposredno po barvanju viskozne tkanine po postopku izčrpavanja. V raziskavo so bila vključena tri monofunkcionalna vinilsulfonska barvila, ki jih izdelovalci barvil priporočajo za t.i. kombinacije trikromi. V eksperimentalnem delu smo za preliminarne raziskave razbarvanja uporabili štiri anorganske koagulante (FeCl3, Ca(OH)2, Fe2(SO4)3 in Al2(SO4)3 * 18H2O) in komercialni organski flokulant, posamezno in v kombinaciji. V nadaljevanju smo se glede na začetne rezultate osredotočili na uporabo samega organskega flokulanta. Proučevali smo vpliv pH medija na učinkovitost čiščenja in optimirali količino uporabljenega flokulanta. Učinek fizikalno-kemičnega čiščenja smo ovrednotili spektrofotometrično z določanjem koncentracije barvil in nekaterih sumarnih ekoloških parametrov v odpadnih barvalnih kopelih pred čiščenjem in po njem. Rezultati raziskave so pokazali, da je z uporabo koagulanta učinek razbarvanja uporabljenih reaktivnih barvil več kot 90 odstotkov, z nadaljnjo filtracijo (0,45 m stekleni filter) pa se učinek poveča do 99,5 odstotka.Source: Tekstilec : glasilo slovenskih tekstilcev. - ISSN 0351-3386 (Letn. 48, št. 10/12, okt.-dec. 2005, str. 237-244)Type of material - article, component partPublish date - 2005Language - slovenianCOBISS.SI-ID - 10263318
Author
Poberžnik, Mojca |
Simonič, Marjana
Topics
odpadne vode |
čiščenje odpadnih voda |
tekstilna industrija |
barvila |
koagulacija |
flokulacija
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source: Tekstilec : glasilo slovenskih tekstilcev. - ISSN 0351-3386 (Letn. 48, št. 10/12, okt.-dec. 2005, str. 237-244)
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Database name | Field | Year |
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Poberžnik, Mojca | 19099 |
Simonič, Marjana | 12659 |
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