Detoxication method of earth contaminated by cyanide compounds
CS780885A1
Separation method of metals from waste waters of polymetalic sludges in metal-working industry
CS247993B1
Regeneration method of used tempering salts after the heat treatment of the noble metals
CS591184A1
Liquidation of the waste coating compositions pigmented by metal compounds
CS247773B1
Method of spent chrome-plating bath recovery with content of trivalent iron and chromium cations
CS520084A1
Method of re-extraction of nitrites and nitrates from waste draw salts and liquidation of nonregenerable waste of this salts
CS113784A1
Zinc separation method from washing waters after hot dip galvanizig in alcaline cyanideless electrolyte
CS237380B1
Method of electrolytic treatment of hardening shop waste
CS238173B1
Method of copper,nickel,zinc and cadmium recovery from rinsing waters after electroplating
CS234183A1
Thermic liquidation method of vaste artifical substances with chlorine compounds content with simultaneous gain of energy
CS234339B1
Method of utilized cyanide waste direct liquidation
CS221608B1
Method of liquidation of the mud from galvanic workshops originating by cleaning of refuse waters and from the workshops of surface metal treatment by iron or steel abrasions and subsequent burning
CS220125B1
Method of concentrating copper,nickel,zinc and cadmium in sludge left from disposal of waste water and concentrates from metal finishing factories,before extracting said metals by electrolysis or cementation
CS223714B1
Device for rensing by surface treatment of metals
CS223715B1
Method of liquidation of refuse tempered salts with contents of nitrite,nitrate and cyanide
CS216093B1
Method of liquidation of worn tempered nitrate and nitrite salts by chemical decomposition
CS217583B1
Method of disposing of tempering salt waste with nitrate and nitrite contents
CS214445B1
Method of safe storing of solid toxical refuse with contents of cyamids
CS214012B1
Method of extraction of copper,nickel,zinc and cadmium from the sludges arising in the course of waste water and from metal finish processing plants coming concentrates liquidation
CS203366B1
Rotary bipolar electrolyzer for electrolytic destruction of cyanides and other oxidable compounds
