10.2 Recycled Water Reuse in China
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Table 10.1 Wastewater treatment development in China
Year Length of
drainage
pipelines
(km)
Annual
quantity of
wastewater
discharged
(1,000,000 m 3 )
Wastewater treatment
plant
Annual
treatment
capacity
(1,000,000 m 3 )
Wastewater
treatment
rate (%)
Number
(unit)
Treatment
capacity
(1,000 m 3 /day)
1978 19,556
14,944.93
37
640
1979 20,432
16,332.66
36
660
1980 21,860
19,509.25
35
700
1981 23,183
18,264.60
39
850
1982 24,638
18,527.40
39
760
1983 26,448
20,972.90
39
900
1984 28,775
22,531.45
43
1,460
1985 31,556
23,184.80
51
1,540
1986 42,549
9,639.65
64
1,770
1987 47,107
24,902.49
73
1,980
1988 50,678
26,148.97
69
1,970
1989 54,510
26,112.83
72
2,300
1990 57,787
29,389.80
80
2,770
1991 61,601
29,970.34
87
3,170
4,453.55
14.86
1992 67,672
30,177.31
100
3,660
5,216.23
17.29
1993 75,207
31,134.20
108
4,490
6,231.63
20.02
1994 83,647
30,300.82
139
5,400
5,180.13
17.10
1995 110,293
35,025.53
141
7,140
6,896.86
19.69
1996 112,812
35,284.72
309
11,530
8,334.46
23.62
1997 119,739
35,140.11
307
12,920
9,079.28
25.84
1998 125,943
35,629.12
398
15,830
10,533.42
29.56
1999 134,486
35,568.21
402
17,670
11,355.32
31.93
2000 141,758
33,179.57
427
21,580
11,356.08
34.25
2001 158,128
32,858.50
452
31,060
11,969.60
36.43
2002 173,042
33,759.59
537
35,780
13,493.77
39.97
2003 198,645
34,916.16
612
42,540
14,799.32
42.39
2004 218,881
35,646.01
708
49,120
16,279.66
45.67
2005 241,056
35,951.62
792
57,250
18,676.15
51.95
2006 261,379
36,252.81
815
63,660
20,262.24
55.67
2007 291,933
36,101.18
883
71,460
22,698.47
62.87
2008 315,220
36,487.82
1018
81,060
25,600.41
70.16
2009 343,892
37,121.29
1214
90,520
27,934.57
75.25
2010 369,553
37,869.83
1444
104,360
31,170.32
82.31
(continued)