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