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Showing results 34 to 53 of 57 < previous   next >
Issue DateTitleAuthor(s)
30-Aug-2010Process for treating deep waters for drinking purpose, comprises e.g. preoxidizing iron ions and partially, manganese ions, by treating with chlorine dioxideBogatu, Corneliu; Botau, Dimitrie; Andres, Ladislau; Demetrovici, Ligia; Chis, Diana; Vlaicu, Vasile; Marsavina, Dalila
29-Dec-2000Process for treatment of effluent from oil extraction industryDraghici, Ecaterina; Cosma, Georgeta; Cosma, Cristiana; Ballo, Aureliea; Nicolau, Margareta; Toma, Dorina; Balalia, Ancuta; Mitila, Stefania
30-Mar-1990Purificn. of urban waste waters ­ using oxidn.­redn. and coagulatio -­flocculation stageCraiu, Cornel; Cruceru, Mihail; Nicolau, Margareta; Cosma, Cristiana; Ballo, Aureliea; Demetrescu, A.; Nita, M.; Sendrea, George
30-Jul-1990Purifying effluents ­ from naphthol and naphthyl ­methyl­ carbamate prodn.Nicolau, Margareta; Greere, M.; Fercala, D.; Roibu, C.; Curcaneanu, Nicolae; Serdarescu, D.
30-Jul-1985Purifying residual industrial waters contg. organic contaminants by initial incomplete purificn. with catalytic redox system followed by complete biological purificn. with active sludgeCruceru, Mihail; Licaret, Constantin; Teodorescu, Lavinia
28-Jun-1985Purifying residual water contg. organic substances by adding urea and formaldehyde, sepg. the resin by filtration or sedimentation and purifying the water biologically after neutralisingParmac, Sorin; Buliga, A.; Chiru, Epsica; Dumitrescu, Emil; Costov, Ioan; Cruceru, Mihail; Varlam, C.; Pristavu, N.
30-Jun-1997Quantitative determination of major cadmium and zinc content of basic zinc@ alloys ­ comprises separating cadmium and zinc by selective elution on ion exchange resin, breaking up sample, adjusting acidity, retaining cadmium and zinc, etc.Debiasi, Rodica
30-Aug-1985Recovering coagulant from treating residual waters by dissolving hydroxide formed, residual and unused acid, adding and formaldehyde, washing aminoplast and reusing waterParmac, Sorin; Buliga, A.; Cruceru, Mihail; Dumitrescu, Emil; Costov, Ioan; Ghiorghiu, G.
15-Sep-1988Recuperation of silver from photosensitive material waste ­ consists of washing with sodium hydroxide soln., sludge separation, and alkaline fluxing after dryingParmac, Sorin; Costov, Ioan; Trestioreanu, F.; Beleaua, Victor; Polgar, I.; Stanciu, M.
30-Oct-1990Removal of warfarin and hydroxy-­coumarin contaminants ­ from effluents by formaldehyde condensn. in acidic mediumRehner, Elena; Craiu, Cornel; Nicolau, Margareta; Cilianu, S.
30-Nov-1981Residual water­ purifying inorganic complex coagulant prepn. ­ by treating serpentine ore with hot sulphuric acid and sepg. and opt. concentrating acid filtrateCocheci, Vasile; Arpad, Eugen; Lorineti, Atila; Burtica, Georgeta; Ilea, Dorina
30-Jan-1983Silver and support recovery from photosensitive material waste comprises silver halogenation, silver halide solubilisation, silver sepn. by electrolysis and gelatin removalCruceru, Mihail; Licaret, Constantin; Duda, Sanda; Petrescu, Marinela
30-Sep-2014Slag and ash dumps landscape improvement process, using organozeolitic fertilizers of the Tuff-Aln typeMasu, Smaranda; Nicorescu, Valeria; Nicolau, Margareta
30-May-1986Spent active carbon regeneration ­ by wetting with sodium hydroxide soln., extn. of organic load with methanol, methanol recovery and washingCruceru, Mihail; Nicolau, Margareta; Ballo, Aureliea; Cosma, Cristiana
30-Jun-2011Technology and installation for post treating residual urban muds with a view to being used as agricultural fertilizersBumbac, Costel; Dinu, Laurentiu Razvan; Nicolau, Margareta; Patroescu, Viorel Ion; Pena-Leonte, Eliza; Vasilescu, Gheorghe
30-Nov-1981Titanium­ supported lead di:oxide electrode prodn. ­ by electrodeposition from acid electrolyte on titanium-iron coated with oxidised iron and tin and cobalt oxideRadovan, Ciprian
30-Sep-1998Treating effluent ­ resulting from washing woolRadovan, Ciprian; Lungu, E.; Schultz, F.; Cocheci, Vasile; Nicolau, Margareta
30-Oct-1984Treating residual acidic waters from chemical fertiliser industry with phosphorus and opt. phospho-gypsum by use as reagent and creation of high calcium carbonate contentCruceru, Mihail; Coroiu, Cornel; Parmac, Sorin; Dumitrescu, Emil; Costov, Ioan
30-Oct-2009Treating surface waters for rendering them drinkable, comprises e.g. pre­chlorinating water with specified dose of chlorine for specified period of time and coagulating with aluminum sulfateBogatu, Corneliu; Masu, Smaranda; Botau, Dimitrie; Ihos, Monica; Andres, Ladislau; Nicorescu, Valeria; Cocheci, Dan
30-Sep-1998Treatment of effluent resulting from wool washing process ­ comprises physico­-chemical treatment for destabilizing emulsified systems formed and biological treatment of separated aqueous phaseNicolau, Margareta; Teodorescu, Maria; Grosu, Ecaterina