Title:
亜鉛及び硫酸塩高含有率残留物のリサイクル方法
Document Type and Number:
Japanese Patent JP2010528180
Kind Code:
A
Abstract:
Treatment of residues (I) comprising zinc ferrites and lead, silver, indium, germanium and/or gallium as oxides and sulfates involves (a) roasting (I) in an oxidizing medium at high temperature to give a desulfurized residue, (b) carrying out carbiding reduction-fusion in a reductive medium, (c) extracting carbided iron and slag in liquid form and (d) extracting non-ferrous metals in a vapor phase, followed by oxidation and recovery in solid form.
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Inventors:
Ross, Jean-Luc
Bontin, Marie
Bontin, Marie
Application Number:
JP2010508780A
Publication Date:
August 19, 2010
Filing Date:
May 06, 2008
Export Citation:
Assignee:
PAUL WURTH S.A.
International Classes:
C22B19/04; C22B1/04; C22B5/10; C22B5/16; C22B7/00; C22B11/02; C22B13/02; C22B41/00; C22B58/00
Domestic Patent References:
| JPS579842A | 1982-01-19 | |||
| JPS57158336A | 1982-09-30 | |||
| JPS4013651B1 | ||||
| JPS4841807B1 | 1973-12-08 | |||
| JPS5529133B1 | 1980-08-01 | |||
| JP2007506860A | 2007-03-22 | |||
| JP2004521188A | 2004-07-15 | |||
| JPS579842A | 1982-01-19 | |||
| JPS57158336A | 1982-09-30 | |||
| JPS4013651B1 | ||||
| JPS4841807B1 | 1973-12-08 | |||
| JPS5529133B1 | 1980-08-01 | |||
| JP2007506860A | 2007-03-22 | |||
| JP2004521188A | 2004-07-15 |
Attorney, Agent or Firm:
Yoshiaki Sato