1. PERFORMANCE MONITORING – DEMO SESSION

2. SELF-REGULATORY ELEMENTS
Competent Person
- Type of competencies
- CPD
Performance Monitoring Committee
- Job function
- List committee members
Environmental Policy
Performance Monitoring Equipment
Sampling Locations
Record keeping
Data analysis
& interpretation
Reporting

3. OVERVIEW OF EiMAS’s IETS

4. Physical Chemical Treatment Processes
1.0m3/day pH pH
pH/ORP
1.0 m3/day
Raw Influent
1st Tank/Batch Chromium Reduction Tank
2nd Tank for pH
Adj. Tank
3 rd Tank for pH
Adj. Tank
Coag.. Tank
Floc. Tank
2nd Clarifier
No.1
Chrome waste
Zinc &
Nickel waste
Two Types Heavy Metal Process, Continuous
NEW TREATED WATER TANK
One Type Heavy Metal Process, Continuous
Filter Press
Chromium Reduction Process, Batch
Mixer
Existing Sludge Tank
EXISTING TREATED WATER TANK
Solid For Disposal
Discharge

5. Table 7.3: Recommended performance monitoring requirements for physico-chemical treatment processes
Test/Check
Frequency
Remarks
Chemical
Precipitation
Flowrate
Daily pH
Chemical dosage system
To calculate the chemical dosage
To ensure it’s working properly
Metals (if process is for metals removal)
Influent & effluent
Oxidation/ Reduction
ORP
Metals
COD, if relevant

6. Table 7.3 Continued Process Test/Check Frequency Remarks
Carbon Adsorption (a)
Flowrate
Daily
Contaminant to be removed (e.g. COD)
Daily;more frequent as breakthrough is approached
Influent & effluent
Pressure difference

7. SAMPLING TYPE, LOCATION AND FREQUENCY Table 5
SAMPLING TYPE, LOCATION AND FREQUENCY Table 5.1 : Recommended sampling requirements for an activated sludge system
Parameter
Sample location
Sampling frequency
Equalization tank*
Flow
Effluent
Daily
BOD5
Weekly
COD pH
TIN
Monthly
Aeration tank DO
Aeration tank, preferably at three locations
MLSS
Effluent**
MLVSS (from MLSS analysis)
SVI

8. Aeration tank at effluent end Microscopic examination Effluent
Table 5.1 continued
Parameter
Sample location
Sampling frequency pH
Aeration tank
Daily
SS of RAS
RAS line
SS of WAS
WAS line
QRAS
QWAS
F/M ratio*** -
Weekly
SOUR
Aeration tank at effluent end
Microscopic examination
Effluent

9. Secondary clarifier*** Sludge level/blanket Middle of clarifier
Table 5.1 continued
Parameter
Sample location
Sampling frequency
Secondary clarifier***
Sludge level/blanket
Middle of clarifier
Daily or several times daily
BOD5
Effluent
Weekly
COD
Daily SS pH
TIN
Monthly

10. How Performance Monitoring Is Carried Out
Sampling
Test
Direct Measurement
(Measured Data)
Indirect Measurement
(Computed Data)
Record Keeping
Data Analysis
Data Interpretation
Reporting

11. TROUBLESHOOTING

12. Typical upset conditions for Biological Treatment Processes
The End

13. (Source: http://www.4enveng.com)
Sludge Bulking
Sludge bulking in an activated sludge process
(Source:

14. rising Sludge Rising Sludge in Secondary Clarifier
(Source :

15. (Source : www.ecoworld.com.vn)
ASHING
Small ash-like particles on surface of clarifier
(Source :

16. Filamentous bacteria
Filamentous organism in the aeration tank (Source :

17. Pin-point floc Pin-point floc after weir
(Source :

18. Foaming
Foaming in the aeration tank
(Source :

19. Foaming Normal foaming in the aeration tank
(Source :