Search:

Start a new search
Add/Remove Filters (1 filters currently applied)

Results 1-7 of 7 (Search time: 0.008 seconds).
 |  Relevance

 

  • previous
  • 1
  • next
Item hits:
Issue DateTitleAuthor(s)
115-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.
230-Oct-2009Process 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 chlorideNitoi, Ines; Cosma, Cristiana; Nicolau, Margareta; Ballo, Aureliea; Draghici, Ecaterina
330-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.
430-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; Curcaneanu, Nicolae
530-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
630-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
730-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