Showing results 5 to 14 of 14
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| Issue Date | Title | Author(s) |
| 30-Sep-1984 | Phosphate recovery from residual acidic waters by consecutive neutralisation first with chalk or lime and then lime, with pptn. of calcium phosphate | Cruceru, Mihail; Dumitrescu, Emil; Parmac, Sorin; Coroiu, Cornel; Costov, Ioan |
| 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-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-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. |
| 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-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-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-May-1986 | Two-step spent active carbon regeneration by treatment with sodium hydroxide soln. and then washing with sodium metabisulphite soln. | Cruceru, Mihail; Nicolau, Margareta |
| 30-Jan-1983 | Zinc recovery from artificial fibre prodn. acidic waste waters comprises two step pptn. with sodium hydroxide and then sodium carbonate soln. | Cruceru, Mihail; Chircu, Seia; Craiu, Cornel |
