Browsing by Author Cruceru, Mihail

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Showing results 1 to 14 of 14
Issue DateTitleAuthor(s)
30-Apr-1985Copper recovery from electrical engineering industry waste consists of electrolysis of copper nitrate soln. using metal cathode and graphite anodeCruceru, Mihail; Licaret, Constantin; Duda, Sanda
30-Aug-1985Desulphurising liquids and gases ­ by combined oxidn.­redn. and chemo-­sorption by passing over metal shavings, contg. iron, carbon, silicon, sulphur and chromiumCruceru, Mihail; Craiu, Cornel; Nicolau, Margareta; Cosma, Cristiana; Lazarut, P.
30-Nov-1982Di:valent sulphur cpd.­ -contaminated waste water and gas purificn. ­ - by contact with inorganic copper, iron and nickel salt catalystCruceru, Mihail; Craiu, Cornel; Toader, Felicia
30-Jun-1984Metallic mercury recuperator for aq. solns. and gases ­ consists of homogeniser before a column packed with metal and alloy wasteCruceru, Mihail; Nicolau, Margareta; Duda, Sanda; Curcareanu, N.
30-Sep-1984Phosphate recovery from residual acidic waters by consecutive neutralisation first with chalk or lime and then lime, with pptn. of calcium phosphateCruceru, Mihail; Dumitrescu, Emil; Parmac, Sorin; Coroiu, Cornel; Costov, Ioan
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-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-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.
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-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-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-May-1986Two-step spent active carbon regeneration ­ by treatment with sodium hydroxide soln. and then washing with sodium metabisulphite soln.Cruceru, Mihail; Nicolau, Margareta
30-Jan-1983Zinc 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