Quantify the energy and environmental benefits of implementing energy-efficiency measures in China’s iron and steel production

Future Cities and Environment

Table 5 Technical potentials of energy savings, emission reduction, and water savings in China’s iron and steel industry (2012)

No.	Energy savings		Emission reduction (1,000 tonne)				Water savings (million m³)
No.	Fuel savings (1,000 tce)	Electricity savings (GWh)	CO₂	SO₂	NO_x	PM₁₀	Water savings (million m³)
1	761.5	-	1,868	4.0	1.6	3.0	1.3
2	-	3,249	2,512	5.4	6.9	1.5	73.5
3	-	21,716	16,787	35.9	45.9	10.0	491.4
4	-	665	514	1.1	1.4	0.3	15.1
5	115.5	-	283	0.6	0.2	0.5	0.2
6	2,548.2	-	6,251	13.4	5.4	10.0	4.3
7	-	227	175	0.4	0.5	0.1	5.1
8	1,274.1	-	3,125	6.7	2.7	5.0	2.2
9	226.5	-	556	1.2	0.5	0.9	0.4
10	838.5	-	2,057	4.4	1.8	3.3	1.4
11	182.5	-	448	1.0	0.4	0.7	0.3
12	-	8,750	6,764	14.5	18.5	4.0	198.0
13	37.7	-	93	0.2	0.1	0.1	0.1
14	1,473.7	-	3,615	7.7	3.1	5.8	2.5
15	1,832.9	-	4,496	9.6	3.9	7.2	3.1
16	792.1	-	1,943	4.2	1.7	3.1	1.3
17	2,210.5	-	5,422	11.6	4.7	8.7	3.8
18	3,965.2	-	9,727	20.8	8.4	15.7	6.7
19	1,679.6	-	4,120	8.8	3.6	6.6	2.9
20	-	486	376	0.8	1.0	0.2	11.0
21	5,855.9	-	14,364	30.7	12.4	23.1	9.9
22	-	2,786	2,153	4.6	5.9	1.3	63.0
23	529.8	-	1,230	2.8	1.1	2.1	0.9
24	-	775	599	1.3	1.6	0.4	17.5
25	-	1,766	1,365	2.9	3.7	0.8	40.0
26	1,262.6	6,215	7,901	16.9	15.8	7.9	142.8
27	-	6,783	5,243	11.2	14.3	3.1	153.5
28	-	24,734	19,119	40.9	52.3	11.4	559.7
29	5,137.0	-	12,601	26.9	10.9	20.3	8.7
30	2,935.0	-	7,199	15.4	6.2	11.6	4.9
31	102.8	-	252	0.5	0.2	0.4	0.2
32	310.8	91	832	1.8	0.9	1.3	2.6
33	222.0	-	545	1.2	0.5	0.9	0.4
34	1,068.7	-	2,621	5.6	2.3	4.2	1.8
35	502.0	138	1,338	2.9	1.4	2.0	4.0
36	677.0	276	1,874	4.0	2.0	2.8	7.4
Total of 36 measures	36,542.1	78,659	150,440	321.8	243.7	180.0	1,842.2
Total in steel sector in 2012	468,020	522,052	1,510,000	2,410	970	1,810	3,580
Savings (or emission reduction) percentage of the total (%)	7.8 %	15.1 %	10.0 %	13.4 %	25.0 %	10.0 %	51.5 %