Concentration of PGMs from Spent
Automobile Catalyst by Heating-Quenching and Selective Grinding
Gangfeng LIU
Research in Resources Recycling Engineering
Major in Earth sciences, Resources and Environmental Engineering
October, 2014
P G M
B u t le r 2 011
P t 4 9 . 7 % P d
7 0 . 7 % R h 6 8 .4 %
1
0 .5 1 .0 g P t P G M 1 2 g
P G M
2 5 w t . %
A l2O3 C e O2 7 5 w t .% M g2A l4S i5O1 8
P G M A l2O3 C e O2 n m
2 P G M
1 /3 1 /4
1
P G M P G M
P G M P G M
2
3
1 0 c m
c m 2
8 0 0 ° C
8 9 .8 w t . % 1 7 .8 %
( 1 ) ( 2 )
( 3 )
F E M
( 1 ) ( 2 )
4
5 5 .4 w t .%
4 5 . 0 % 5
2 6 .7 w t . % 2 2 . 9 %
6
2 L i u
( 1 )
Li u ( 2 )
( 3 ) L i u
2 G w y n
3 5
P t P d R h
4 5 . 8 w t % 8 5 . 7 %
2 0 1 4 10