Hhk-Brick-Emission-Monitoring-Report-Final

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Energy and Stack Emission Monitoring In Hybrid Hoffmann Kiln (HHK) Type Universal Kiln

FINAL REPORT

Prepared by

Dr. Amir H. Khan ST Consultant World Bank, Dhaka

Dhaka, December 2008

Contents
1. Background...............................................................................................1 2. Objectives of the study.............................................................................3 3. Selection of monitoring parameters .......................................................4 4. Scope of work............................................................................................4 5. Terms of reference (ToR) ........................................................................4 6. Activities undertaken...............................................................................5 7. Time schedule ...........................................................................................5 8. Description of the HHK...........................................................................5 8.1 9.1 9.2 Manufacturing Process ........................................................................6 Stack emission monitoring.................................................................11 Ambient air quality monitoring ........................................................13 9.2.1 9.2.2 9.3 10. 11. 11.1 11.2 11.3 11.4 12. 12.1 12.2 12.3 12.4 12.5 13. PM10 and PM2.5 .........................................................................13 Carbon monoxide .....................................................................15 9. Instrument and monitoring methodology............................................11

Energy performance monitoring ......................................................16 Work Schedule....................................................................................18 Results and Analysis of Kiln Monitoring .........................................19 Stack monitoring results..................................................................20 Ambient Air Quality Monitoring Results......................................20 Energy performance (Energy Audit) .............................................22 Mass Emission load estimation .......................................................23 Comparison with other kiln Technologies .......................................23 Energy ...............................................................................................23 Stack emission monitoring ..............................................................24 Calculated mass emission load........................................................24 Summary of Monitoring Results ....................................................25 Limitations/Assumptions on Monitoring.......................................25 Conclusions and Recommendations .................................................26

Annexes
Annex- A: Stack and Ambient Air Quality Monitoring data Annex- B: Universal HHK Production Data from Log Book Annex- C: Calorific value for coal (Imported)

List of Tables
Table 1: Clay characteristics used for brick production .......................................................9 Table 2: Salient features of the Universal Bricks Ltd. ........................................................11 Table 3: Tentative work schedule of the Monitoring activities. .........................................19 Table 4: Stack parameters and SPM concentration in flue gas...........................................20 Table 5: Ambient air quality at the kiln gate with kiln in operation ...................................21 Table 6: Ambient background air quality at the kiln gate with...........................................21 Table 7: Share of fuels ........................................................................................................22 Table 8: Specific Energy Consumption across different technologies ...............................23 Table 9:...
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