RES-chains training material:

The aim was to identify sustainable renewable energy source chains (RES-Chains) to encourage sustainable development within the South Baltic Region. The training material aimed to describe the connections between renewable energy sources and customers.

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Your choices:
1 Process heat/steam (50 - 150 °C);   2 District heating;   3 Biomass (solid)

What is your resource? What do you want to deliver? What is the service the customer wants?
Biomass (digestible sludge) District cooling Comfortable indoor climate
Biomass (fermentable sludge) 2 District heating Electricity
3 Biomass (solid) Electricity Process cooling (< 0 °C)
Geothermal Fuel: Gaseous 1 Process heat/steam (50 - 150 °C)
Sunshine Fuel: Liquid Process heat (150 - 1000 °C)
Water Fuel: Solid Process heat (> 1000 °C)
Wind Local cooling (ind. house) Transport
Residual oils/fats etc Local heating (ind. house)

 

The most practical fuel – from a storage and handling point of view – is solid biomass of some quality that is easily available in the region and that can be stored without excessive risks. However – also other renewable energy resources like solar heating, biogas or geothermal energy may well be integrated in the system, but the base-load fuel would usually be solid biomass. In such cases, when a mix of renewable resources are used for the production, these will also be the renewable resources used for district heat production and hence for the industrial process itself.