Method for the further purification of zinc oxide

Details Method for the further purification of zinc oxide Method for the further purification of zinc oxide

1995-05-11

1998-06-02

Bos, Steven

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iib metal

423109, 423622, 75724, 75725, 75961, C01G 900, B01D 1100, C21B 1500, C22B 1920

Patent

active

057595038

ABSTRACT:
A method for the recovery of high purity zinc oxide products, and optionally iron-carbon feedstocks, from industrial waste streams containing zinc oxide and/or iron. The waste streams preliminarily can be treated by adding carbon and an ammonium chloride solution, separating any undissolved components from the solution, displacing undesired metal ions from the solution using zinc metal, treating the solution to remove therefrom zinc compounds, and further treating the zinc compounds and the undissolved components, as necessary, resulting in the zinc products and the optional iron-carbon feedbacks. Once the zinc oxide has been recovered, the purification process is used to further purify the zinc oxide to obtain zinc oxide which is at least 99.8% pure and which hsa predeterminable purity and particle characteristics.

REFERENCES:
patent: 1023964 (1912-04-01), Ranson
patent: 2105394 (1938-01-01), Allavena
patent: 2898191 (1959-08-01), Conn et al.
patent: 3515510 (1970-06-01), Winter et al.
patent: 3743501 (1973-07-01), Cusanelli et al.
patent: 3849121 (1974-11-01), Burrows
patent: 3911076 (1975-10-01), Probert et al.
patent: 4606765 (1986-08-01), Ferlay
patent: 5208004 (1993-05-01), Myerson
patent: 5464596 (1995-11-01), Myerson

Affiliated with

Also associated with

Rating

Method for the further purification of zinc oxide 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 further purification of zinc oxide, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the further purification of zinc oxide will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1456366