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公开(公告)号:EP3481558B1
公开(公告)日:2020-09-16
申请号:EP17734358.9
申请日:2017-07-05
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公开(公告)号:EP3636346A1
公开(公告)日:2020-04-15
申请号:EP18199044.1
申请日:2018-10-08
发明人: LEWIS, Andrew Clist , WANG-GEISSLER, Wan , ZHOU, Qiong , BAAN, Willem Hendrikus , NORDBERG, Henrik , GUSTAFSSON, Jan Olof , GOLETS, Mikhail
摘要: The present invention relates to a process to treat metal or mineral ores with a collector composition that comprises a nitrile group-containing compound of the formula (I)
R1-(O-CxH2x)n-R2N-(CH2-CH2-CH2-NR3)p-R4 (I)
wherein
x is 2 or 3
n is 0 to 20,
p is 1 to 10 ,
R1 can be hydrogen, an alkenyl group or an alkyl group containing 1 to 26 carbon atoms,
each group R2 to R4 independently can be a group -(CH2-CH2-CH2-NH)q-CH2-CH2-CN or -(CH2-CH2-CH2-NH)r-H or -(CxH2x-O)n-R1,
wherein q is 0 to 10 and r is 0 to 10
at least one of R2-R4 is a group -(CH2-CH2-NH)q-CH2-CH2-CN, and R1, x and n as defined above.
The invention also relates to collector composition containing the above nitrile group-containing compound and at least one further collector or frother compound.
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