| Issue Date | Title | Author(s) |
| 1 | 15-Sep-1988 | Recuperation of silver from photosensitive material waste consists of washing with sodium hydroxide soln., sludge separation, and alkaline fluxing after drying | Parmac, Sorin; Costov, Ioan; Trestioreanu, F.; Beleaua, Victor; Polgar, I.; Stanciu, M. |
| 2 | 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 |
| 3 | 29-Oct-1986 | Chemiluminescence tester for underwater research, etc. consists of PVC cylinder with three parallel photovoltaic cells and aluminium coil | Dumitrescu, Emil; Costov, Ioan; Blaga, Iulian; Ias, Ioan |
| 4 | 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. |
| 5 | 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. |
| 6 | 30-Aug-1986 | Chemiluminescent mixt. contg. phenyl ester derivs. of oxalic acid in which aromatic hydrogen atoms are substd. | Dumitrescu, Emil; Craiu, Cornel; Costov, Ioan; Blaga, Iulian |
| 7 | 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 |
| 8 | 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 |
| 9 | 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 |
| 10 | 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 |
| 11 | 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 |
| 12 | 30-Aug-1985 | Desulphurising liquids and gases by combined oxidn.redn. and chemo-sorption by passing over metal shavings, contg. iron, carbon, silicon, sulphur and chromium | Cruceru, Mihail; Craiu, Cornel; Nicolau, Margareta; Cosma, Cristiana; Lazarut, P. |
| 13 | 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 |
| 14 | 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 |
| 15 | 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 |
| 16 | 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 |
| 17 | 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 |
| 18 | 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 |
| 19 | 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 |
| 20 | 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 |
| 21 | 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 |
| 22 | 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. |
| 23 | 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 |
| 24 | 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 |
| 25 | 30-Jul-1985 | Water coagulation consists of multistage processing at different acidities | Cocheci, Vasile |
| 26 | 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 |
| 27 | 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. |
| 28 | 10-Nov-1988 | Extn. process for removal of aromatic amine(s) from residual waters | Nicolau, Margareta; Stan, D. E.; Craiu, Cornel; Curcaneanu, Nicolae; Georgescu, F.; Curcaneanu, S. |
