Table 1.

Inventory data adjusted to 1 kg of lightweight aggregates for the different phases analyzed: raw materials, extraction, transport and manufacturing.

Elementary Flow	Units	SW-0OP	SW-1.25OP	SW-2.5OP									SW-5OP	LCIA Dataset
				1140°C-4′	SW-5OP	LCIA Dataset	1160°C-4′	1160°C-8′	1160°C-16′	1180°C-4′	1180°C-8′	1180°C-16′
Extraction and transport of raw materials
Clay	kg	1.1	1.08625	1.0725	1.0725	1.0725	1.0725	1.0725	1.0725	1.0725	1.0725	1.0725	1.045	Clay {GLO}| market for | Alloc Def, U
Olive pomace	kg	-	0.01375	0.0275	0.0275	0.0275	0.0275	0.0275	0.0275	0.0275	0.0275	0.0275	0.055	-
Water	m3	0.0000736	0.0000736	0.0000736	0.0000736	0.0000736	0.0000736	0.0000736	0.0000736	0.0000736	0.0000736	0.0000736	0.0000736	Water, well, in ground, ES
	kg	0.0134	0.0134	0.0134	0.0134	0.0134	0.0134	0.0134	0.0134	0.0134	0.0134	0.0134	0.0134	Tap water {GLO}| market group for | Alloc Def, U
Transport raw materials	tkm	0.0747	0.0747	0.0747	0.0747	0.0747	0.0747	0.0747	0.0747	0.0747	0.0747	0.0747	0.0747	Transport, freight, lorry, 16-32 tons {GLO}| market for | Alloc Def, U
Extraction plant	p	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	2.00 × 10−10	Clay pit infrastructure {GLO}| market for | Alloc Def, U
Energy and material inputs at LWA manufacturing plant
Electricity	kWh	0.028881403	0.022153249	0.015425095	0.017592282	0.019882295	0.015423668	0.017590141	0.019880155	0.015421528	0.017588001	0.019878014	0.001957372	Electricity, medium voltage {GLO}| market group for | Alloc Def, U
Heat	MJ	2.549810045	2.482528506	2.415246966	2.606578178	2.808809101	2.415232697	2.606556773	2.808787697	2.415211292	2.606535369	2.808766293	2.280569731	Heat, district or industrial, other than natural gas {GLO}| market group for | Alloc Def, U
Packaging film	kg	0.0004813	0.0004813	0.0004813	0.0004813	0.0004813	0.0004813	0.0004813	0.0004813	0.0004813	0.0004813	0.0004813	0.0004813	Packaging film, low density polyethylene {GLO}| market for | Alloc Def, U
Linerboard	kg	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	Linerboard {RoW}| market for linerboard | Alloc Def, U
Direct emissions due to thermal transformation of raw materials
Water	m3	0.0000067	0.0000067	0.0000067	0.0000067	0.0000067	0.0000067	0.0000067	0.0000067	0.0000067	0.0000067	0.0000067	0.0000067	Emissions to air - Water/m3
CO2	m3	0.178700361	0.200883398	0.223066435	0.223066435	0.223066435	0.223066435	0.223066435	0.223066435	0.223066435	0.223066435	0.223066435	0.26743251	Emissions to air - CO2
Water	m3	0.00008568	0.00008568	0.00008568	0.00008568	0.00008568	0.00008568	0.00008568	0.00008568	0.00008568	0.00008568	0.00008568	0.00008568	Emissions to water - Water, RoW

SW-(0-5)OP means Spanish White clay with 0, 1.25, 2.5 and 5 wt% olive pomace addiction; LCIA means life cycle inventory analysis.