Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1976-05-03
1977-04-12
Andrews, R. L.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204105R, 75101R, 75121, C25C 114, C25C 116, C25C 122
Patent
active
040173690
ABSTRACT:
The invention relates to a method for selectively leaching at least one of the elements antimony, mercury, arsenic and tin from sulphidic and oxidic materials with alkali sulphide solutions and subsequent electrolytic recovery of the leached elements. The method consists of maintaining the sulphide ion concentration in mol/l multiplied by two and the hydroxyl ion concentration in mol/l at a value of at least 8 and that the quantity of hydroxyl ions is at least in a quantity equimolar to the quantity of sulphide ions. The electrolyses must be effected at an anode current density of more than 1500 A/m2.
REFERENCES:
patent: 1501412 (1924-07-01), Kissock
patent: 2329816 (1943-09-01), Betterton et al.
patent: 2436010 (1948-02-01), Lebedeff
patent: 3969202 (1976-07-01), Albrethsen
Andrews R. L.
Boliden Aktiebolag
LandOfFree
Method for the electrolytic recovery of Sb, As, Hg and/or Sn does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for the electrolytic recovery of Sb, As, Hg and/or Sn, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the electrolytic recovery of Sb, As, Hg and/or Sn will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1279976