Environmental Engineering Reference
In-Depth Information
J
J- Jarosite - XFe 3 (SO 4 ) 2 (OH) 6
I - Iron Sulphate Hydrate- 2Fe 2 O 3 SO 3 5H 2 O
L- Lead sulphate -PbSO 4
IS-Iron sulphate -FeSO 4
IH-Iron hydroxide -Fe(OH) 3
C- Calcium sulphate -CaSO 4
C
I, L, C
J, IS
I, IS
IH, L
L, J
I
IH
(a)
Q - Quartz - SiO 2
M - Mullite - 3Al 2 O 3
Q
. 2SiO 2
H - Hematite - Fe 2 O 3
A - Amorphous (Glassy phase)
M
H
M
H
H
M
A
(b)
K
V - Vertumnite - Ca 4 Al 4 Si 4 O 6 (OH) 24 .3H 2 O
F - Ferroaetinolite (Calcium Iron Silicate hydroxide
- Ca 2 Fe 5 (Si 8 O 22 ) (OH) 2
C - Cristobalite Quartz - SiO 2
K - Kaolinite - Al 2 O 3 , 2SiO 2 , 2H 2 O
K
C
F
C
K
F
V
V
C
V K
(c)
Figure 6. Mineralogical phases in the (a) Jarosite waste, (b) CCRs and (c) Clay.
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