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6F.1 1 UNFCCC - NAI SOFTWARE Sector: Waste Practical Aspects and Exercises CGE Greenhouse Gas Inventory Hands – on Training Workshop for the African Region.

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Presentation on theme: "6F.1 1 UNFCCC - NAI SOFTWARE Sector: Waste Practical Aspects and Exercises CGE Greenhouse Gas Inventory Hands – on Training Workshop for the African Region."— Presentation transcript:

1 6F.1 1 UNFCCC - NAI SOFTWARE Sector: Waste Practical Aspects and Exercises CGE Greenhouse Gas Inventory Hands – on Training Workshop for the African Region Pretoria, South Africa 18 – 22 September 2006

2 6F.2 2 CONTENT Specific details of the UNFCCC -NAI Software use to calculate GHG emissions in the sector Waste. Practical exercises (to be solved by the participants after the presentation).

3 6F.3 3 BACKGROUND The choice of a good practice method is given by the decision threes in the IPCC GPG according to national circumstances. The UNFCCC -NAI Software contains, basically, the methods of smaller complexity that can use countries for the preparation of inventories. However, in principle, the software can be used to report the estimated emissions independently of the complexity of used method (Tier 2, 3 etc).

4 6F.4 4 SECTOR: WASTE

5 6F.5 5 SECTOR: WASTE CH4 Emissions from Solid Waste Disposal

6 6F.6 6 SECTOR: WASTE CH4 Emissions from Solid Waste Disposal

7 6F.7 7 SECTOR: WASTE CH4 Emissions from Solid Waste Disposal

8 6F.8 8 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Solid Waste Disposal (I) Country A: Year: 2000. Worksheet 6-1s1 to 6-1C Data The National Statistics Office provided information related to solid waste management services in the country. These services are received mainly by 90% of the urban population. The waste are fundamentally deposited in dumpsites where also are partially burn. Population (1000 persons) Urban fractionMSW generation rate (kg/cap./day Methane Recovered (Gg) 20 00018%0,40,2

9 6F.9 9 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Solid Waste Disposal (II) Other Data: Use the following values for the calculation: Proportion of waste for each type of SWDSs Managed4% Unmanaged deep10% Unmanaged shallow86% Fraction of DOC in MSWFraction of DOC which actually degrades 0,140,55 Fraction of C released as MethaneMethane Oxidation Factor 0,50

10 6F.10 10 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Solid Waste Disposal (III) Tasks Using the UNFCCC -NAI Software: 1.Calculates Net Annual Methane Emissions from solid waste disposal. 2.Verifies the emissions report in the Sectoral and Summary Tables. 3.Fills the Table 8A (Overview Table) for the self evaluation of quality and completeness. 4.Print the used worksheet, the Sectoral Summary Table and the Overview Table (8A).

11 6F.11 11 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Solid Waste Disposal (IV) Steps 1.Open the software and select in the Waste sector the worksheet 6-1A to calculate the total annual MSW disposed to SWDSs. 2.Go to the worksheet 6-1C to calculate the Methane Correction Factor (MCF). 3.Go to the Worksheet 6-1s1 to calculate the Net Annual Methane Emissions (Gg).

12 6F.12 12 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Solid Waste Disposal (V) RESULTS Net Annual Methane Emissions from Solid Waste Disposal11,07 Gg CH4

13 6F.13 13 TOTAL ANNUAL MSW DISPOSED TO SWDSs WORKSHEET 6-1A

14 6F.14 14 METHANE CORRECTION FACTOR WORKSHEET 6-1C

15 6F.15 15 NET ANNUAL METHANE EMISSION FROM SOLID WASTE DISPOSAL WORKSHEET 6-1s1

16 6F.16 16 NET ANNUAL METHANE EMISSION FROM SOLID WASTE DISPOSAL IN THE SECTORAL REPORT TABLE

17 6F.17 17 NET ANNUAL METHANE EMISSION FROM SOLID WASTE DISPOSAL IN THE SUMMARY REPORT TABLE

18 6F.18 18 SECTOR: WASTE CH4 Emissions from Domestic and Commercial Wastewater and Sludge Handling

19 6F.19 19 SECTOR: WASTE CH4 Emissions from Domestic and Commercial Wastewater and Sludge Handling

20 6F.20 20 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Domestic and Commercial Wastewater and Sludge Handling (I) Country A: Year: 2000. Worksheet 6-2s1 to 6-2s4 Data The National Statistics Office provided the information included in the following table. Population (1000 persons) Degradable Organic Component Fraction of DOC Removed as Sludge Methane Recovered 20 000013 505 kg BOD/1000 persons/yr 00

21 6F.21 21 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Domestic and Commercial Wastewater and Sludge Handling (II) Other Data: Use the following values for the calculation: Wastewater Handling System Fraction of Wastewater Treated by the Handling System Methane Conversion Factor for the Handling System Collected (Sewered to plant) Lagoons (Anaerobic deep) 0,050,8 Uncollected (Treated on site) Latrines and septic systems 0,10,15 With regular sediment removal

22 6F.22 22 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Domestic and Commercial Wastewater and Sludge Handling (III) Tasks Using the UNFCCC -NAI Software: 1.Calculates Net CH4 emissions. 2.Verifies the emissions report in the Sectoral and Summary Tables. 3.Fills the Table 8A (Overview Table) for the self evaluation of quality and completeness. 4.Print the used worksheet, the Sectoral Summary Table and the Overview Table (8A).

23 6F.23 23 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Domestic and Commercial Wastewater and Sludge Handling (IV) Steps 1.Open the software and select in the Waste sector the worksheet 6-2s1 Estimation of Organic Wastewater and Sludge. 2.Specify in A that the estimation is for “all country”. 3.Enter population data in Column B, and DOC in column C. 4.Specify the Fraction of DOC removed as sludge. The software calculates the Total Domestic/Commercial Organic Wastewater (kg BOD/yr).

24 6F.24 24 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Domestic and Commercial Wastewater and Sludge Handling (V) Steps 5.Go to the Worksheet 6-2s2 and specify in the column A the Wastewater Handling Systems used in the country. 6.Enter in B the Fraction of Wastewater Treated by the Handling Systems and in C the Methane Conversion Factor. Enter in E the Maximum Methane Producing Capacity (0,6 kg CH4/kg BOD). The software calculates the Emission Factor for Wastewater Handling System.. 7.Go to the Worksheet 6-2s4 and enter in D the Methane Recovered. The software calculates the Net CH4 emissions.

25 6F.25 25 SECTOR: WASTE Exercise 6.1: CH4 Emissions from Domestic and Commercial Wastewater and Sludge Handling (VI) RESULTS Net Annual Methane Emissions from Domestic and Commercial Wastewater and Sludge Handling 8,91 Gg CH4

26 6F.26 26 ESTIMATION OF ORGANIC WASTEWATER

27 6F.27 27 ESTIMATION OF EMISSION FACTOR

28 6F.28 28 CH4 EMISSION FROM DOMESTIC AND COMMERCIAL WASTEWATER HANDLING

29 6F.29 29 CH4 EMISSIONS FROM DOMESTIC AND COMMERCIAL WASTEWATER HANDLING IN THE SECTORAL REPORT TABLE

30 6F.30 30 CH4 EMISSIONS FROM DOMESTIC AND COMMERCIAL WASTEWATER HANDLING IN THE SUMMARY REPORT TABLE

31 6F.31 31 SECTOR: WASTE CH4 Emissions from Industrial Wastewater and Sludge Handling

32 6F.32 32 SECTOR: WASTE CH4 Emissions from Industrial Wastewater and Sludge Handling

33 SECTOR: WASTE Indirect N2O Emissions from Human Sewage

34 6F.34 34 SECTOR: WASTE Emissions from Waste Incineration

35 6F.35 35 NEW WORSHEET 6-5S1 INCLUDED IN THE UNFCCC – NAI SOFTWARE FOR CALCULATING EMISSIONS FROM WASTE INCINERATION

36 6F.36 36 SECTOR: WASTE Exercise for self evaluation 1: CH4 from Solid Waste Disposal on Land (I) Country A: Year: 2000. Data  The Environment Ministry provided data on the solid wastes disposal in the country during the year 2000. It also provided results from studies carried out on the solid wastes characterization.  Determine the CH4 emissions from the disposition of solid wastes on the land using the CMNUCC-NAI software.  Verify in the Sectoral Report Table and the Summary Tables of the Inventory the report of results obtained.

37 6F.37 37 SECTOR: WASTE Exercise for self evaluation 1: CH4 from Solid Waste Disposal on Land (II) COUNTRY A: YEAR 2000. DATA RELATED WITH SOLID WASTES DISPOSAL Urban population of the country8666744 persons MSW generation rate0,68 kg/capita/day Fraction of MSW disposed to SWDSs1 Proportion of waste for each type of SWDSs Managed0,7 Unmanaged-shallow0,3 Fraction of DOC in MSW0,18 Recovered Methane per year (Gg)0

38 6F.38 38 SECTOR: WASTE Exercise for self evaluation 1: CH4 from Solid Waste Disposal on Land (III) RESULTS CH4 emissions from solid waste disposal on land113,73 Gg CH4

39 6F.39 39 SECTOR: WASTE Exercise for self evaluation 2: CH4 from Industrial Wastewater Handling (I) Country A: Year: 2000. Data  The Environment Ministry provided data on the industrial wastewater handling in the country during the year 2000.  Determine the CH4 emissions from this source category using the CMNUCC-NAI software.  Verify in the Sectoral Report Table and the Summary Tables of the Inventory the report of results obtained.

40 6F.40 40 SECTOR: WASTE Exercise for self evaluation 2: CH4 from Industrial Wastewater Handling (II) COUNTRY A: YEAR 2000. DATA RELATED WITH INDUSTRIAL WASTEWATER HANDLING ProductTotal Industrial output (t/year) or (hl/year) Degradable Organic Component (kg COD/m3 wastewater) Wastewater Produced (m3/t product) or (m3/hl product) Canneries4030060,5 Beer (hl)13310002,90,5 Dairy products2000002,77 Vegetable oils252000,83,1 Soft drinks (hl)108430024,3

41 6F.41 41 SECTOR: WASTE Exercise for self evaluation 2: CH4 from Industrial Wastewater Handling (III) COUNTRY A: YEAR 2000. DATA RELATED WITH INDUSTRIAL WASTEWATER HANDLING Type of treatmentFraction of wastewater treated MCFMaximum Methane Producing Capacity Lagoons10% (0,1)90% (0,9)0,25 kg CH4/kg DC

42 6F.42 42 SECTOR: WASTE Exercise for self evaluation 2: CH4 from Industrial Wastewater Handling (IV) RESULTS Net CH4 emissions from industrial wastewater handling0,34 Gg CH4

43 6B.43 Thank you

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