Table 2.

The inventory data of each life cycle stage of 1 m²geopolymer brick.

Item	Unit	The inventory data
		Alkaline solution process	Material preparation process	Geopolymer processes	Transportation process	Utilization process	Disposal
Inputs
WFS	kg	-	28.8	-	-	-	-
FA	kg	-	21.6	-	-	-	-
EAF slag	kg	-	21.6	-	-	-	-
NaOH	kg	2.04	-	-	-	-	-
Na2SiO3	kg	20.80	-	-	-	-	-
Diesel	kg	-	5.81	-	0.85	-	0.85
Brick	unit	-	-	-	400	400	-
Sand	kg	-	-	-	-	40	-
Water	l	6.36	-	15	-	10	-
Electricity	kWh	5.1	3.91	0.16	-	-	-
Air pollution
NOx	kg	-	1.03 × 10−4	-	1.49 × 10−5	-	1.49 × 10−5
CO	kg	-	1.32 × 10−5	-	1.92 × 10−6	-	1.92 × 10−6
NMVOC	kg	-	5.00 × 10−6	-	7.28 × 10−7	-	7.28 × 10−7
SOx	kg	-	9.41 × 10−6	-	1.37 × 10−6	-	1.37 × 10−6
TSP	kg	-	4.00 × 10−6	-	5.83 × 10−7	-	5.83 × 10−7
PM10	kg	-	4.00 × 10−6	-	5.83 × 10−7	-	5.83 × 10−7
PM2.5	kg	-	4.00 × 10−6	-	5.83 × 10−7	-	5.83 × 10−7
Pb	kg	-	1.60 × 10−11	-	2.33 × 10−12	-	2.33 × 10−12
Cd	kg	-	1.20 × 10−12	-	1.75 × 10−13	-	1.75 × 10−13
Hg	kg	-	2.40 × 10−11	-	3.50 × 10−12	-	3.50 × 10−12
As	kg	-	6.00 × 10−12	-	8.74 × 10−13	-	8.74 × 10−13
Cr	kg	-	4.00 × 10−11	-	5.83 × 10−12	-	5.83 × 10−12
Cu	kg	-	4.40 × 10−11	-	6.41 × 10−12	-	6.41 × 10−12
Ni	kg	-	1.60 × 10−12	-	2.33 × 10−13	-	2.33 × 10−13
Se	kg	-	2.20 × 10−11	-	3.20 × 10−12	-	3.20 × 10−12
Zn	kg	-	5.80 × 10−9	-	8.45 × 10−10	-	8.45 × 10−10
Benzo(a)pyrene	kg	-	3.80 × 10−10	-	5.54 × 10−11	-	5.54 × 10−11
Benzo(b)floranthene	kg	-	3.00 × 10−9	-	4.37 × 10−10	-	4.37 × 10−10
Benzo(k)fluoranthene	kg	-	3.40 × 10−10	-	4.95 × 10−11	-	4.95 × 10−11
Indeno(1,2,3-cd)pyrene	kg	-	3.00 × 10−10	-	4.37 × 10−11	-	4.37 × 10−11