ingenieur Vol.87 July-Sept2021 Vol 87 2021 | Page 39

Figure 6 : Electrostatic Precipitator ( ESP )
PARAMETER
RAW POME *
Proposed Standard Discharge Limit ( DOE , 2019 )
Watercourse
Land
Application
Chemical Oxygen Demand , COD
51,000
-
-
( mg / L ))
Biochemical Oxygen Demand ,
25,000
50
5,000
BOD ( mg / L )
Ammoniacal Nitrogen ( mg / L )
35
20
-
Total Nitrogen ( mg / L ) 750 - - Suspended Solid ( mg / L ) 18,000 200 - Total Solid ( mg / L ) 34,000 - - pH 9.0 5.0 – 9.0 - Oil and Grease ( mg / L ) 4,000 – 6,000 5 - Manganese ( mg / L ) 2.0 - Zinc ( mg / L ) 2.3 - Copper ( mg / L ) 0.8-0.9 Iron ( mg / L ) 46.5 Phosphorus ( mg / L ) 180 Potassium ( mg / L ) 2,270 Magnesium ( mg / L ) 615 Boron ( mg / L ) 7.6 Calcium ( mg / L ) 439 Chromium ( mg / L ) 10.2 Note : * As cited in Nahrul Hayawin et al . ( 2017 )
Table Table 2 : Characteristic 2 : Characteristic of raw POME of raw and POME standard and discharge standard limits discharge by DOE limits ( Source by : DOE MPOB )
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