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ANNEX 3: ASSUMPTIONS CONCERNING GHG EMISSIONS FROM COMPONENTS OF MUNICIPAL SOLID WASTE (USEPA 1998)

 

Note: LFG = Landfill Gas

 

 

Without Energy Recovery

With LFG Recovery and Flaring

With LFG Recovery and Electricity

 

Without Energy Recovery

With LFG Recovery and Flaring

With LFG Recovery and Electricity

 

 

 

 

Assuming 10% oxidation of methane

Assuming 10% oxidation of methane

 

Methane Yield (ml/dry gram)

MTCE/Wet tonne

Carbon Sequestration (MTCE/wet tonne)

Net GHG Emissions From CH4 Generation (MTCE/wet tonne)

Net GHG Emissions From CH4 Generation (MTCE/wet tonne)

Net GHG Emissions From CH4 Generation (MTCE/wet tonne)

Emissions from Transport

Net GHG Emissions From CH4 Generation (MTCE/wet tonne)

Net GHG Emissions From CH4 Generation (MTCE/wet tonne)

Net GHG Emissions From CH4 Generation (MTCE/wet tonne)

Newspaper

74.2

0.259

0.36

0.23

0.06

0.02

0.01

-0.12

-0.29

-0.33

Office paper

346

1.207736

0.04

1.09

0.27

0.11

0.01

1.06

0.24

0.08

Corrugated Boxes

152.3

0.531613

0.22

0.48

0.12

0.05

0.01

0.27

-0.09

-0.16

Coated Paper

84.4

0.294604

0.29

0.26

0.07

0.03

0.01

-0.02

-0.21

-0.25

Al Cans

0

0

0

0

0

0

0.01

0.01

0.01

0.01

Steel Cans

0

0

0

0

0

0

0.01

0.01

0.01

0.01

Glass

0

0

0

0

0

0

0.01

0.01

0.01

0.01

HDPE

0

0

0

0

0

0

0.01

0.01

0.01

0.01

LDPE

0

0

0

0

0

0

0.01

0.01

0.01

0.01

PET

0

0

0

0

0

0

0.01

0.01

0.01

0.01

Food Scraps

300.7

0.335

0.02

0.3

0.08

0.03

0.01

0.29

0.07

0.02

Grass

144.3

0.214

0.12

0.19

0.05

0.02

0.01

0.08

-0.06

-0.09

Leaves

56

0.166

0.39

0.15

0.04

0.01

0.01

-0.23

-0.34

-0.37

Branches

76.3

0.17

0.21

0.15

0.04

0.02

0.01

-0.05

-0.16

-0.18

Yard Trimmings

 

0.191

0.21

0.17

0.04

0.02

0.01

-0.03

-0.16

-0.18

Mixed MSW

92

0.273

0.16

0.25

0.06

0.02

0.01

0.1

-0.09

-0.13

 

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