HUT40972A - Process for removing heavy metal ions from vaste waters
- Google Patents
Process for removing heavy metal ions from vaste waters
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Publication number
HUT40972A
HUT40972AHU333084AHU333084AHUT40972AHU T40972 AHUT40972 AHU T40972AHU 333084 AHU333084 AHU 333084AHU 333084 AHU333084 AHU 333084AHU T40972 AHUT40972 AHU T40972A
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Application filed by Robert NagyfiledCriticalRobert Nagy
Priority to HU333084ApriorityCriticalpatent/HU194126B/en
Publication of HUT40972ApublicationCriticalpatent/HUT40972A/en
Publication of HU194126BpublicationCriticalpatent/HU194126B/en
Separation Of Suspended Particles By Flocculating Agents
(AREA)
Abstract
Removal of heavy metal ions from effluents comprises the following four stages (a) alkaline-hydroxide pre-neutralisation, followed by setting pH to 8.0-9.2 pref. to 9.0 with alkaline carbonate or pref. an alkaline carbonate and coagulant soln., (b) using an alkaline earth-hydroxide the pH is set to 9.4-10.0, pref. 9.6-9.8, (c) sedimentation, or sedimentation and filtration, (d) optional cation exchange.
HU333084A1984-09-041984-09-04Process for removing heavy metal ions from vaste waters
HU194126B
(en)