Environmental Engineering Reference
In-Depth Information
Fig. 4.5 Conversion of PCB and PCT to PCDD and PCDF through incineration. Reconversion of
resulting gas mixture to PCDD and PCDF [
21
,
22
]
CI
CH
CH
2
clorur ˆ
de vinil
C
H
3
3 O
2
+
n
min
= 2
CO
2
t > 250
°
c
2 H
2
O
CH
2
CH
CH
t > 250
°
c
O
CI
C
H
3
clorura de 2 propilen p-toluil
n
min
= 4
CI
+
3 HCI
+
O
O
( CH
2
CH )
5 O
2
n
CI
CI
t > 250
°
c
(2)
O
CH
3
4 H
2
O
3 CO
2
policlorura de vinil (PVC)
clor p - den
CH
CH
C
ˆ
diclordibenzodioxina DCOD
3 HCI
O
CI
n
min
= 5
ˆ
clorura de cinamil
t > 250
°
c
O
O
+
2 O
2
CI
CI
CI
CI
+
2 H
2
O
t > 250°c
diclornaftalina
ˆ
diclordibenzodioxina D-COD
Fig. 4.6 PVC conversion to dioxin in the combustion process [
22
,
24
,
27
]
