Inventory data sources used in the vegetable oil free fatty acids pre-treatment and alkali-catalysed transesterification (biodiesel production) process model. Inventory Name of Data Geographic Reference item name dataset used source coverage year Water - UK 2013 et (process) al. (2013) Water - Defra UK 2013 et (cooling) al. (2013) Methanol Methanol, at ecoinvent Global 2001 plant data v2.2 Sodium Sodium ecoinvent Europe 2000 hydroxide hydroxide, data v2.2 50% in H2O, production mix, at plant Sulphuric Sulphuric ecoinvent Europe 2001 acid acid, liquid, data v2.2 at Phosphoric Phosphoric ecoinvent Europe 1994 acid acid, data v2.2 industrial grade, 85% in H2O, at plant Calcium Quicklime, ecoinvent Switzerland 2002 oxide milled, data v2.2 at plant Electricity - Defra UK 2013 et al. (2013) Glycerol Glycerine, ecoinvent France 2006 from data v2.2 vegetable oil, at esterification plant Medium Steam, for ecoinvent Europe 1995 pressure chemical data v2.2 stream processes, at (250°C) plant Low Steam, for ecoinvent Europe 1995 pressure chemical data v2.2 stream processes, at (100°C) plant Disposal, Disposal, ecoinvent Switzerland 2000 salts inert waste, data v2.2 5% water, to inert
Inventory data sources used in the vegetable oil free fatty acids pre-treatment and alkali-catalysed transesterification (biodiesel production) process model. Inventory item name Name of dataset used Data source Geographic coverage Reference year Water (process) - et al. (2013) UK 2013 Water (cooling) - Defra et al. (2013) UK 2013 Methanol Methanol, at plant ecoinvent data v2.2 Global 2001 Sodium hydroxide Sodium hydroxide, 50% in H2O, production mix, at plant ecoinvent data v2.2 Europe 2000 Sulphuric acid Sulphuric acid, liquid, at ecoinvent data v2.2 Europe 2001 Phosphoric acid Phosphoric acid, industrial grade, 85% in H2O, at plant ecoinvent data v2.2 Europe 1994 Calcium oxide Quicklime, milled, at plant ecoinvent data v2.2 Switzerland 2002 Electricity - Defra et al. (2013) UK 2013 Glycerol Glycerine, from vegetable oil, at esterification plant ecoinvent data v2.2 France 2006 Medium pressure stream (250°C) Steam, for chemical processes, at plant ecoinvent data v2.2 Europe 1995 Low pressure stream (100°C) Steam, for chemical processes, at plant ecoinvent data v2.2 Europe 1995 Disposal, salts Disposal, inert waste, 5% water, to inert ecoinvent data v2.2 Switzerland 2000