Carbon Footprint of Recycled Aggregate Concrete

Table 3

Inventory of CO₂-e, energy, and materials.

Input	Factor	Unit	Context	Reference
Cement	0.745	kg CO2-e/kg	Mexico, 2004	[15]
Explosives
Yield	0.465	kg product/m^3	Mexico, 2014	[16]
Emission	0.440	kg CO2-e/kg	Australia, 2013	[10]
Diesel
Yield	3.000	km/L	Mexico, 2014	[16]
Emission	2.680	kg CO2-e/L	Australia, 2013	[10]
Coarse
Yield for normal	1.320	m^3 stone/1000 kg	Mexico, 2014	[16]
Yield for recycled	0.002	m^3 debris/kg	Mexico, 2014	[16]
Emission	0.041	kg CO2-e/kg	Australia, 2013	[10]
Fine
Yield	1.120	m^3 stone/1000 kg	Mexico, 2014	[16]
Emission	0.014	kg CO2-e/kg	Australia, 2013	[10]
Electricity	0.458	kg CO2-e/KWH	Mexico, 2015	[17]
Water	0.540	KWH/m^3	Mexico, 2011	[18]
Concrete
Casting and laying	0.012	kg CO2-e/kg	Australia, 2013	[10]