HUT40972A - Process for removing heavy metal ions from vaste waters - Google Patents

Process for removing heavy metal ions from vaste waters

Info

Publication number
HUT40972A
HUT40972A HU333084A HU333084A HUT40972A HU T40972 A HUT40972 A HU T40972A HU 333084 A HU333084 A HU 333084A HU 333084 A HU333084 A HU 333084A HU T40972 A HUT40972 A HU T40972A
Authority
HU
Hungary
Prior art keywords
metal ions
heavy metal
vaste
waters
removing heavy
Prior art date
Application number
HU333084A
Other languages
Hungarian (hu)
Other versions
HU194126B (en
Inventor
Robert Nagy
Original Assignee
Robert Nagy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Nagy filed Critical Robert Nagy
Priority to HU333084A priority Critical patent/HU194126B/en
Publication of HUT40972A publication Critical patent/HUT40972A/en
Publication of HU194126B publication Critical patent/HU194126B/en

Links

Landscapes

  • Removal Of Specific Substances (AREA)
  • 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.
HU333084A 1984-09-04 1984-09-04 Process for removing heavy metal ions from vaste waters HU194126B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU333084A HU194126B (en) 1984-09-04 1984-09-04 Process for removing heavy metal ions from vaste waters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU333084A HU194126B (en) 1984-09-04 1984-09-04 Process for removing heavy metal ions from vaste waters

Publications (2)

Publication Number Publication Date
HUT40972A true HUT40972A (en) 1987-03-30
HU194126B HU194126B (en) 1988-01-28

Family

ID=10963596

Family Applications (1)

Application Number Title Priority Date Filing Date
HU333084A HU194126B (en) 1984-09-04 1984-09-04 Process for removing heavy metal ions from vaste waters

Country Status (1)

Country Link
HU (1) HU194126B (en)

Also Published As

Publication number Publication date
HU194126B (en) 1988-01-28

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HMM4 Cancellation of final prot. due to non-payment of fee