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Flotation in water treatment process
Języki publikacji
Abstrakty
Zawiesiny organiczne mogą mieć strukturę włóknistą o gęstości zbliżonej do gęstości wody. Natomiast mikroorganizmy wytwarzające w komórkach tlen mogą ulegać autoflotacji. W konsekwencji zanieczyszczenia wód powierzchniowych korzystniej jest usuwać w procesie flotacji niż sedymentacji. Pierwsze instalacje w skali technicznej do uzdatniania wody z procesem flotacji powstały w państwach skandynawskich. Obecnie stosowane są w wielu krajach Europy, w USA i Kanadzie. Dotychczasowa praktyka wykazuje, że flotacja może być stosowana do wód o barwie do 60 mg Pt/m3, mętności do około 10 NTU i o dużej zasadowości. W pracy przedstawiono różne rozwiązania techniczne stosowane w procesie flotacji.
Organic suspended matter that occurs in surface water can characterize with fibrous structure with density' value comparable to water density. Some microorganisms that produce oxygen in their cells can be moved to the water surface as a result of autoflotation. Consequently, it is better to remove the pollutants occurring in the surface water in flotation process, than in sedimentation process. First technical-scale installations using flotation in water treatment were constructed in Scandinavian countries. Until now, they have been used in many European countries, USA and Canada. The practical experience shows, that flotation can be used for water that is charac-terized with colour of 60 g Pt/m3, turbidity of 10 NTU and high alkalinity. In this work many various technical solutions used in flotation process have been presented.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
20--25
Opis fizyczny
Bibliogr. 27 poz., rys., tab.
Twórcy
autor
- Katedra Technologii Wody i Ścieków, Politechnika Koszalińska, Anna.Anielak@wbiis.tu.koszalin.pl
Bibliografia
- [1] Sroka M.: „Badanie wpływu wstępnego uzdatniania wody z zastosowaniem flotacji ciśnieniowej na dawkę ozonu”. Ochrona Środowiska, 2004/3, s.21.
- [2] Ross Gregory, Thomas F. Zabel, James K. Edzwald ’’Sedimentation and flotation”, McGraw-Hill, Inc. New York 1999.
- [3] Anielak A.M. Chemiczne I fizykochemiczne oczyszczanie ścieków”. Wydawnictwo Naukowe PWN, Warszawa 2000, 2002.
- [4] Valade M.T., Edzwald J.K., Tobiason J.E., Dahląuist J., Hedberg T., Amato T. „Pe treatemnt effects on particle removal by flotation and filtration” JAWWA, 88 (12), 1996, n35-47.
- [5] Gopalratnam C., Bennett G.F., Peters, R.W., „The simultaneous removal of oil and heavy metals from industrial wastewaters by joint precipitation and air flotation”, Environmental Progress 7, 84-92, 1988
- [6]Capponi F., Sartori M., Souza M.L., Rubio J.”Modified kolumn flotation of adsorbing iron hydroxide colloidal precipitates” Int. J. Miner. Process. 79,167-173, 2006
- [7]Filippov L.O., Joussemet R., Houot, R., „Bubble spargers in column flotation”, Minerals Engineering 13 (1), 37-51, 2000
- [8] Colic M., Morse D.E., Morse W.O., Ma- therly T.G, Carty S., Miller J.D., „From air-sparged hydrocyclone to bubble accelerated flotation: mineral industry technology sets stage for development of new wastewater treatment flotation”, UEF Conference, Tahoe City, 2001
- [9] Wqsowski J. “Application of dissolved ved air flotation for treatment of wasterwater from meat processing industry”. Wat.Sci. Tech.V0l.31, No.3-4,pp.34i-344,1995
- [10] Rubio J., Souza M.L., Smith R.W. “Overview of flotation as a wastewater treatment technique”. Minerals Engineering 15,139-155, 2002.
- [11] Sudilovskiy P.S., Kagramanov G.G., Kolesnikov V.A. “Use of RO and NF for treatment of copper containing wasterwaters in combination with flotation”. Desalination 221,192-201, 2008.
- [12] Bunker D.Q., Edzwald J.K., Dahlquist J., Gillbergt L., „Pretreatment considerations for dissolved air flotation: water type, coagulants and flocullations”, Water science and Technology, Vol. 31, No. 3-4, pp. 63-71,1995
- [13] Dempsey, B. A. and O’Melia, C. R., „Proton and calcium complexation of four fulvic acid fractions”. In: Aquatic and Terrestrial Humic Materials, R. F. Christman and E. T. Gjessing (Eds). Ann Arbor Science, Ann Arbor, Mich., pp. 239-273, 1983
- [14] Heinanen J., Jokela P., Ala-Peijari T., „Use of dissolved air flotation in potable water treatment in Finland”, Water Science and Technology, Vol. 31, No. 3-4, pp. 225-238,1995.
- [15] Heinanen, J., „Use of dissolved air flotation in potable water treatment in Finland. Aqua Fennica, 18(2), 113-123 (1988)
- [16] Heinanen, J., „Flotation in potable water treatment”. Tampere University of Technology, Institute of Water and Environmental Engineering, Publication A 43, Tampere, 1990.
- [17] Nicholas P. Cheremisinoff, Handbook of Water and Wastewater Treatment Tech nologies”Butterworth Heinemann, 2002.
- [18] Puffelen J, Buijs P.J., Kuhn P., Hijnen W.M., „Dissolved air flotation in notable water treatment: The Dutch experience”, Water Science and Technology, Vol. 31. No. 3-4, pp. 149-157,1995-
- [19] Edzwald, J. K. and Paralkar A.,,Algae, coagulation and ozonation Chemical Water and Wastewater Treatment 2”, Klute, R and Hahn, H. (Eds.), pp. 263-279, Sprin- ger-Verlag, 1992
- [20] Vlaski, A., van Breemen, A. N. and Ala- erts, G. J. F. R., ,Algae and Water Treatment in The Netherlands”. IHE Delft and TU Delft, The Netherlands, 1993
- [21] J.B. Yianatos, F.D.Henriquez. “Short-cut method for flotation rates modeling of industrial flotation banks”Minerals Engineering 19,1336-1340, 2006.
- [22] Xiong Tong, Shaoxian Song, Jian He, Feng rao, Alejandro Lopez-Valdivieso, “Activation of high-iron marmatite in froth flotation by ammoniacal copper(II) solution. Minerals Engineering 20, 259- 263, 2007.
- [23] Senanayake.G, Analysis of reaction kinetics, spéciation and mechanism of gold leaching and thiosulfate oxidation by ammoniacal copper(II) solution. Hydrometallurgy 75,55-75, 2004.
- [24] Edzwald, J. K. and Malley, J. P., „Removal of humic substances and algae by dissolved ir flotation”. Final research report to the U.S. EPA, EPA/600/S2-89/032, Cincinnati, 1989.
- [25] Edzwald, J. K, Malley, J. P. and Yu, C., ,A conceptual model for dissolved air flotation in water treatment”. Water Supply, 9, Jonkoping, pp. 141-150,1990.
- [26] Itykumbul M.T., J.A.de Aquino, C.T.O- ’Connor, M.C.Harris.”Fine pyrite flotation in an agitated column cell. Int. J. Miner. Process, 58,167-178, 2000.
- [27] Viitasaari M., Jokela P., Heinanen J., „Dissolved air flotation in the treatment of industrial wastewater with a special emphasis on forest and foodstuff industries”, Water Science and Technology, Vol. 31, No. 3-4, pp. 299-313,1995.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPC2-0004-0030