Browsing by Author Buliga, A.
Showing results 1 to 2 of 2
Issue Date | Title | Author(s) |
---|---|---|
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. |
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. |