Table 5.

Life cycle inventory data of food waste management options.

		Materials	Unit	Animal dry feed1	Animal wet feed1	Anaerobic digestion2	Composting2
Input	Food waste		kg	1000	1000	1000	1000
	Corn starch		kg		250
	Sawdust
	Process water		kg	2.53		236	110.8
	Woodchip		kg				0.31
Energy	Gas			32.5
	Electricity (see table)		kwh	24.6	3.86	65	5.78
	Diesel		kg		2.47	0.081	3.29
Product			kg	130	430	Digestate (659) Electricity (260 kwh)	659
Waste	Wastewater		kg	640	564	320
	Screening/rejected materials		kg	60	30		30
Process air emissions
	CO2		kg	8.7E+01	7.9E+00	2.6E-01	1.1E+01
	CH4		kg	1.6E-03	3.2E-04	3.4E-02	4.8E-03
	N2O		kg	1.6E-04	6.4E-05	1.9E-02	2.7E-02
	NOx		kg	2.3E-01	2.1E-02	4.4E-02	1.0E-01
	CO		kg	3.1E-02	1.6E-03	1.5E-03	5.9E-02
	MVOC		kg	7.8E-03	0.0E+00	2.4E-02	6.0E-03

Sources ¹: (Kim and Kim, 2010) and ² (Hall et al., 2014).