Title:
MANUFACTURING METHOD USING COPPER-CONTAINING SLAG
Document Type and Number:
WIPO Patent Application WO/2019/071795
Kind Code:
A1
Abstract:
A manufacturing method using a copper-containing slag, comprising the following steps: S1, slag mixing: putting a copper slag into a reaction device and adding calcium-based minerals and additives, heating the slag into a molten state and adding one or more of a copper oxide mineral, a copper sulphide mineral and a copper-containing material, homogeneously mixing the materials to be used as a reaction slag, and monitoring the reaction slag in real-time, enabling through regulation the reaction slag to meet condition a: the temperature of the reaction slag is controlled to be between 1100 to 1450℃ and also condition b: a CaO/SiO2 basicity ratio of the reaction slag is controlled to be 0.15-1.5, and obtaining a post-reaction slag; and S2, separation and recovery.
Inventors:
ZHANG LI (CN)
ZHANG WU (CN)
ZHANG WU (CN)
Application Number:
PCT/CN2017/115650
Publication Date:
April 18, 2019
Filing Date:
December 12, 2017
Export Citation:
Assignee:
UNIV NORTHEASTERN (CN)
International Classes:
C22B7/04; C22B11/02; C22B13/02; C22B15/00; C22B19/30; C22B26/10; C22B30/06; C22B58/00
Foreign References:
| CN106191344A | 2016-12-07 | |||
| CN104846209A | 2015-08-19 | |||
| CN106755652A | 2017-05-31 | |||
| CN106755654A | 2017-05-31 | |||
| CN106755656A | 2017-05-31 | |||
| CN106755651A | 2017-05-31 | |||
| JP2009227494A | 2009-10-08 |
Attorney, Agent or Firm:
BEIJING EASY JOY SOON IP AGENT LTD. (CN)
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