Title:
Processing treatment of the waste which is rich in sulfate and/or the sulfide which use CO2 wealth-ized gas for blocking CO2, and reducing an environmental impact including acidic-rocks drainage, and manufacturing a valuable reaction product
Document Type and Number:
Japanese Patent JP6134251
Kind Code:
B2
Abstract:
A process for stabilizing a sulfate and/or sulfide-rich waste material (comprising metal sulfide minerals) and sequestering CO 2 comprises exposing the material to a CO 2 -enriched gas mixture, reacting the CO 2 -enriche gas mixture with the metal sulfide minerals and forming a CO 2 -depleted gas mixture and a carbon-containing compound and at least one product selected from the group consisting of a purified metal or a metal-rich compound suitable for smelting or refining, sulfuric acid, sulfur and sulfurous acid, and system and apparatus therefor.
Inventors:
Eaton, William Douglas
Application Number:
JP2013229649A
Publication Date:
May 24, 2017
Filing Date:
November 05, 2013
Export Citation:
Assignee:
Terra Seeo 2 Technologies Limited
International Classes:
B09B3/00; B01D53/62; C02F11/00; C22B7/00; C22B13/00; C22B15/00; C22B19/30
Domestic Patent References:
| JP2005097072A |
Foreign References:
| WO2011047070A1 | ||||
| US0126951 | ||||
| US4721526 |
Attorney, Agent or Firm:
Harakenzo world patent & trademark