Patents
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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.
Collection's Items (Sorted by Submit Date in Descending order): 21 to 40 of 57
| Issue Date | Title | Author(s) |
| 30-Apr-1985 | Copper recovery from electrical engineering industry waste consists of electrolysis of copper nitrate soln. using metal cathode and graphite anode | Cruceru, Mihail; Licaret, Constantin; Duda, Sanda |
| 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 |
| 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-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-Sep-1984 | Highly pure para-toluene-sulphonic acid prepn. by sulphonating toluene with conc. sulphuric acid at atmos. pressure | Dorobantu, Maria; Zlota, Arie; Barca, Elena; Anistoroaie, Viorica |
| 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-Jan-1984 | Magnetite prepn. by oxidn. of cast iron chips in ammonium nitrate aq. soln. and hydrochloric acid | Teodorescu, Lavinia; Iliescu, Mircea; Alexandres, C.; Alexandres, A. |
| 28-Feb-1984 | Highly pure para-toluene-sulphonic acid mono:hydrate prepn. from sulphuric acid contg. para-toluene-sulphonic acid by mixing with water, cooling, filtration and crystallisation steps | Dorobantu, Maria; Zlota, Arie; Barca, Elena; Anistoroaie, Viorica; Cosaveanu, A.; Dumitrescu, I. |
| 30-Aug-1983 | Lead di:oxide electrode with titanium support comprises lead nitrate bath treated element with a preliminary mixed chromium and titanium oxide conducting layer | Radovan, Ciprian; Cocheci, Vasile |
| 30-Nov-1982 | Di:valent sulphur cpd. -contaminated waste water and gas purificn. - by contact with inorganic copper, iron and nickel salt catalyst | Cruceru, Mihail; Craiu, Cornel; Toader, Felicia |
| 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 |
| 28-Feb-1983 | Variable speed continuous simultaneous multiple liquids dispenser-has telescopic feed tube and flexible vent pipes with travel provided by helicoidal screw. | Zlota, Arie; Dorobantu, Maria; Anistoroaie, Viorica |
| 30-Nov-1982 | Para-toluene-sulphonic acid prepn. by treating di:para-tolyl-tri:chloroethane prodn. residue, contg. sulphuric acid and toluene-sulphonic acid, with toluene | Dorobantu, Maria; Zlota, Arie; Barca, Elena |
| 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-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-Jun-2016 | Process for continuous separation of active principles from vegetable oils using membrane bioreactors | Batrinescu, Gheorghe ; Cuciureanu, Adriana ; Popa, Ovidiu ; Babeanu, Narcisa Elena |
| 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 |
| 28-Mar-2008 | Complex impurities based surface water potabilization consists of two stage ozonation, coagulation, adsorption and disinfection | Nicolau, Margareta; Cosma, Cristiana; Ballo, Aureliea; Nitoi, Ines; Orbesteanu, Paul |
| 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-Oct-2009 | Process for recovering copper from spent catalysts involves solubilizing copper as tetramine cupric complex by percolation at environmental temperature for four hours with ammonia solution containing ammonia and ammonium chloride | Nitoi, Ines; Cosma, Cristiana; Nicolau, Margareta; Ballo, Aureliea; Draghici, Ecaterina |
Collection's Items (Sorted by Submit Date in Descending order): 21 to 40 of 57
