Food processing industry wastewater treatment in addition to appropriate pretreatment according to the characteristics of water quality, generally appropriate to use biological treatment. If the effluent water quality requirements are very high or because of the high content of organic matter in the wastewater, two-stage aeration tank or two-stage biofilter, or multi-stage biological carousel. Or the joint use of two biological treatment devices, can also be used anaerobic - aerobic tandem biological treatment system.
Number
|
Control project
|
Exhaust pipe height(m)
|
Draft for soliciting opinions allows for emission rates (kg/h)
|
Emission release rate of version 93(kg/h)
|
Check location
|
1
|
NH3
|
15
|
0.6
|
4.9
|
Workshop or production facility exhaust pipe
|
2
|
C3H9N
|
15
|
0.15
|
0.54
|
|
3
|
H2S
|
15
|
0.06
|
0.33
|
|
4
|
CH3SH
|
15
|
0.006
|
0.04
|
|
5
|
(CH3)2S
|
15
|
0.06
|
0.33
|
|
6
|
C2H6S2
|
15
|
0.15
|
0.43
|
|
7
|
CS2
|
15
|
1.5
|
1.5
|
|
8
|
C8H8
|
15
|
3.0
|
6.5
|
|
9
|
Odor concentration
|
Exhaust pipe height (m) ≥ 15
|
Standard value (dimensionless) 1000
|
Standard value (dimensionless) 2000
|