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Patents of the researchers from "Institutul de Cercetare-Proiectare pentru Epurarea Apelor Reziduale"; "Institutul de Cercetare pentru Epurarea Apelor Reziduale", "Institutul National de Cercetare-Dezvoltare pentru Ecologie Industriala ECOIND". All names refers to the same institute.

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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 56
Issue DateTitleAuthor(s)
30-Jul-1990Purifying effluents ­ from naphthol and naphthyl ­methyl­ carbamate prodn.Nicolau, Margareta; Greere, M.; Fercala, D.; Roibu, C.; Curcaneanu, Nicolae; Serdarescu, D.
10-Nov-1988Extn. process for removal of aromatic amine(s) ­ from residual watersNicolau, Margareta; Stan, D. E.; Craiu, Cornel; Curcaneanu, Nicolae; Georgescu, F.; Curcaneanu, S.
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-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-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
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-Sep-1998Treating effluent ­ resulting from washing woolRadovan, C.; Lungu, E.; Schultz, F.; Cocheci, Vasile; Nicolau, Margareta
30-Apr-1991Method of monitoring surface water quality ­ which uses modules each provided with flow meter and thermostat while deionised water filtered and distributed into fish tanksLiculescu, Emil; Pena-Leonte, Eliza; Boghici, Marian; Sufragiu, Mircea; Ias, Ioan; Popescu, D.; Petre, 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-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
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-Sep-1986New chemiluminescent cpds. ­ based on bis­-chloro­-carbomethoxy­- or carbo:butox-y­phenyl­-oxalate(s)Anghelescu, N.; Dumitrescu, Emil; Craiu, Cornel; Costov, Ioan; Parmac, Sorin
30-Sep-1986Prepn. of oxalate(s) of di:phenyl or bis­O­nitrophenyl ­ obtd. by condensn. of methyl (I) phenoxide(s) and oxalyl­chloride, in benzene or tolueneAnghelescu, N.; Dumitrescu, Emil; Costov, Ioan; Parmac, Sorin; Craiu, Cornel
30-Aug-1986Chemiluminescent mixt. ­ contg. phenyl ester derivs. of oxalic acid in which aromatic hydrogen atoms are substd.Dumitrescu, Emil; Craiu, Cornel; Costov, Ioan; Blaga, Iulian
29-Oct-1986Chemiluminescence tester for underwater research, etc. ­ consists of PVC cylinder with three parallel photovoltaic cells and aluminium coilDumitrescu, Emil; Costov, Ioan; Blaga, Iulian; Ias, Ioan
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-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.
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-Jul-1985Water coagulation consists of multistage processing at different aciditiesCocheci, Vasile
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
Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 56