Showing results 16 to 35 of 57
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| Issue Date | Title | Author(s) |
| 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-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 |
| 2014 | Installation for producing functionalized nanocomposite permselective materials | Batrinescu, Gheorghe; Cuciureanu, Adriana; Lehr, Carol Blaziu |
| 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-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. |
| 30-Jun-1984 | Metallic mercury recuperator for aq. solns. and gases consists of homogeniser before a column packed with metal and alloy waste | Cruceru, Mihail; Nicolau, Margareta; Duda, Sanda; Curcaneanu, Nicolae |
| 30-Dec-2014 | Method and system for evaluation of environmental impact/risk of surface water bodies | Arama, Madalina Georgeta ; Nicolau, Margareta |
| 30-Apr-1991 | Method of monitoring surface water quality which uses modules each provided with flow meter and thermostat while deionised water filtered and distributed into fish tanks | Liculescu, Emil; Pena-Leonte, Eliza; Boghici, Marian; Sufragiu, Mircea; Ias, Ioan; Popescu, D.; Petre, M. |
| 30-Sep-1986 | New 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-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-Apr-2001 | Physico chemical cleaning of oil refinery waste water consists of controlled coagulation and flocculation, with up to 0.5 per cent by volume of sludge | Munteanu, Rodica; Arama, Madalina Georgeta; Popa, Iulian; Nicolau, Margareta; Georgescu, Cristian; Usurelu, Ion |
| 30-Jul-2002 | Preparation of calcium polysulfides consists of boiling of milk of lime, with sulfurization and addition of sulfur | Cocheci, Vasile; Anastasiu, Alexandru; Brinzei, Eugen; Dalea, Viorica; Martin, Alexandra; Vlad, Lidia |
| 30-Sep-1986 | Prepn. of oxalate(s) of di:phenyl or bisOnitrophenyl obtd. by condensn. of methyl (I) phenoxide(s) and oxalylchloride, in benzene or toluene | Anghelescu, N.; Dumitrescu, Emil; Costov, Ioan; Parmac, Sorin; Craiu, Cornel |
| 30-Oct-2009 | Process and installation for removing nitrates from residual waters in cities | Dinu, Laurentiu Razvan; Dumitrescu, Ciprian; Ghita, Ileana; Patroescu, Viorel Ion; Pena-Leonte, Eliza |
| 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 |
| 29-Dec-2000 | Process for fast cleaning of effluent from coal works | Teodorescu, Maria; Grosu, Ecaterina; Marhan, Rodica; Grindean, Cornel |
| 30-Oct-2009 | Process for obtaining supported materials of Tuf-Aln type includes distributing the support material consisting of volcanic tufa into a solution of sodium chloride, preparing a hydrolyzed aluminum solution | Masu, Smaranda; Bogatu, Corneliu; Andres, Ladislau; Nicorescu, Valeria; Botau, Dimitrie; Cocheci, Dan; Ihos, Monica; Demetrovici, Laurentiu; Demetrovici, Ligia; Chira, Dorina |
| 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 |
| 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 |
