Case 1 refers to processes in which a natural gas boiler is used to provide the process heat to the pellet mill. Electricity for the pellet mill is supplied from the grid;Case 2a refers to processes in which a woodchips boiler, fed with pre-dried chips, is used to provide process heat.
Tagraíonn cás 1 do phróisis ina n-úsáidtear coire gáis nádúrtha chun teas an phróisis a sholáthar don mhuileann millíní. Déantar leictreachas don mhuileann millíní a sholáthar ón eangach;Tagraíonn cás 2a do phróisis ina n-úsáidtear coire sliseanna adhmaid, a líontar le sliseanna réamh-thriomaithe, chun teas an phróisis a sholáthar.