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Calculating Carbon Emission Effect of Waste Management Activities

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Collected<br />

Mixed<br />

Residential<br />

MSW<br />

Pre-processing<br />

(sorting)<br />

110,000 tonnes<br />

Edmonton Composting Facility System<br />

Boundary, Inputs and Outputs<br />

ECF –<br />

mechanical<br />

plant<br />

Primary Residuals 14,000 tonnes, 13.4%organic<br />

Secondary Residuals 15,000 tonnes, 45.3%organic<br />

On-site power<br />

use<br />

On-site natural<br />

gas use<br />

Electricity from<br />

grid<br />

Natural gas<br />

Residues to<br />

landfill w/ no<br />

LFG<br />

Collection<br />

14,000,000 kWh<br />

29,600 GJ<br />

Compost curing<br />

On-site diesel<br />

use<br />

Diesel fuel<br />

483,900 L<br />

10,000 tonnes<br />

Collected waste<br />

wood<br />

On-site waste<br />

wood chipping<br />

On-site<br />

gasoline use<br />

On-site<br />

propane use<br />

Gasoline<br />

Propane<br />

1,280 L<br />

1,740 m 3<br />

Dewatered<br />

municipal<br />

biosolids<br />

Biosolids/wood<br />

chip mixing<br />

Screening cured<br />

compost<br />

Tertiary Residuals 2,000 tonnes, 45.3%organic<br />

Residues to<br />

landfill w/ LFG<br />

collection<br />

Biosolids/wood<br />

chip composting<br />

System Boundary<br />

Compost sales<br />

to end users

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