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Physical methods for waste water treatment: The use of freeze/thaw method with the assistance of microwave radiation for oily water treatment

Fizičke metode za prečišćavanje otpadnih voda - primena metode naizmeničnog mržnjenja i hlađenja i mikrotalasnog zagrevanja za obradu zauljenih voda

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2005
104.pdf (383.7Kb)
Authors
Rajaković-Ognjanović, Vladana
Ljubisavljević, Dejan
Skala, Dejan
Article (Published version)
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Abstract
The main sources of oily waste water are oil- refineries, metal industry and food industry. Any technological process that uses emulsions has to take into consideration also the treatment of the used emulsions. The ultimate goal of emulsion treatment is to separate oil from water, and to attain maximum levels of cleanliness of both water and oil. The paper analyzes the possibility of emulsion separation with the use of the freeze/thaw (F/T) method, and the microwave radiation (MWR) assistance method. The F/T method and MWR are relatively new physical methods for de-emulsification, and they have the advantage of belonging to the group of green methods that are reagent-less and ecologically friendly.
U radu je dat pregled metoda za prečišćavanje otpadnih voda. Predmet istraživanja rada je analiza i primena savremenih metoda za demulzifikaciju, odnosno uklanjanje ulja iz vode. Glavni izvori zauljenih otpadnih voda su rafinerije nafte, proizvodnja / obrada metala i proizvodnja hrane. U skladu sa ekološkim zahtevima svaki tehnološki proces u kome se koriste emulzije ulja u vodi mora da bude praćen odgovarajućom obradom otpadne ili iskorišćene emulzije. Cilj obrade je uklanjanje zagađivača (ulja) i dobijanje vode odgovarajuće čistoće. U ovom radu je istražena mogućnost prečišćavanja emulzija metodom naizmeničnog hlađenja / zagrevanja i metodom hlađenja praćenog mikrotalasnim zagrevanjem. Metode ispitane u ovom radu su nedestruktivne, pripadaju fizičkim metodama analize i primenjuju se bez dodavanja hemijskih reagenasa čime je ostvaren koncept ekološki prihvatljivih ("zelenih") metoda za obradu zauljenih otpadnih voda.
Keywords:
emulsion / freeze/thaw / microwave radiation / separation / emulzija / zauljene otpadne vode / hlađenje i zagrevanje / mikrotalasi / prečišćavanje
Source:
Vodoprivreda, 2005, 37, 1-3, 71-81
Publisher:
  • Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd

ISSN: 0350-0519

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URI
http://grafar.grf.bg.ac.rs/handle/123456789/106
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  • Radovi istraživača / Researcher's publications
  • Катедра за хидротехнику и водно-еколошко инжењерство
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