Definitions of Emissions Sources

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1 year 7 months ago #419 by smfraser
Definitions of Emissions Sources was created by smfraser
Hi there,

What would be included in the following emissions 'sources':
Feedstock recovery
Feedstock upgrading

Thanks so much

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1 year 7 months ago #421 by doconnor
Replied by doconnor on topic Definitions of Emissions Sources
A brief generic description is shown here ghgenius.ca/index.php/modelling-resources/about-ghgenius.

It does depend a bit on the pathway but feedstock recovery are things like farming emissions or oil production emissions.

Feedstock upgrading is used to cover the transformation of the feedstock to an intermediate product that this then converted into the final fuel.

This would cover things like synthetic crude oil production. It is also used for the oil extraction emissions for biodiesel or renewable diesel production. For these cases it is always tied back to the oil production pathway and adjusted by the final product yield.

Regards
Don O'Connor

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1 year 7 months ago #422 by smfraser
Replied by smfraser on topic Definitions of Emissions Sources
Thank you for your reply.

I completed a model run where I am looking at CRNG from Organic Waste and there are zero emissions associated with 'feedstock upgrading'. However, the particular case I am trying to model is this: the feedstock is a slurry of various organic wastes (food based waste, dairy based waste, etc.) and is piped to an anaerobic digester. Is there a way to capture the emissions associated with the processing of this waste?

Thank you

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1 year 7 months ago #423 by doconnor
Replied by doconnor on topic Definitions of Emissions Sources
I would suggest that you essentially treat the feedstock preparation as part of the AD system. So you would enter into the model the total power requirements of the combined systems. If there is any other materials or energy required these would be entered into the model as part of the AD system.

Regards
Don O'Connor

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