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| PubMed | |
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Article by Yang, F. Y. 1 |
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Article by Li, L. N. 1 |
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Article by Liang, H. W. 1 |
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Article by Diao, C. J. 1 |
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Article by Zhang, J. 1 |
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Article by Cui, Y. G. 2 |
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Article by Xu, C. J. 2 |
�����������չ��ն�̼����������г�̼������Ԥ��������ȷ�������¶�Ϊ650 �档��ɰ�� 3YL--NaCl �����Ȼ���ϵ�������о���Ӱ���Ȼ�����������: 3YL �������Ȼ���Ũ�ȡ�������ȡ�ʱ�䡢�¶ȡ漰��Һ�ȵȣ���������ȷ���Ĺ��������£������˹��Ｖ���飬�ó�Au��Ag��Cu��Pb�� Zn ���Ȼ������ʷֱ�Ϊ95. 1%��91. 6%��85. 7%��95. 2%��83. 8%��
Decarbonization and desulphurization pretreatments of carbonaceous silver concentrate have been done by oxidation roasting with temperature of 650 ��. Calciner was leached by 3YL--NaCl cyanide �� free chloride system��and the influence factors of chloride leaching were 3YL dosage��NaCl concentration��leaching acidity�� leaching time��leaching temperature and solid to liquid ratio. The Kg experiments under certain technical conditions show the chloride leaching rates of Ag��Au��Cu��Pb and Zn are 95. 1%��91. 6%��85. 7%��95. 2% and 83. 8%�� respectively.