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Table 3

Main industrial water use and their potential demands of reclaimed water in the central city of Xi'an

ProductOutputWater quotaRatio of reclaimed water use (%)Reclaimed water (106 m3/yr)
Power generation 18.4 × 109 kwh 0.5 m3/gws 90 29.8 
Cement 391 × 1042 m3/t 90 7.0 
Commercial concrete 2,606 × 104 m3 0.7 m3/t 90 16.4 
Petroleum refining 213 × 1041.5 m3/t 60 1.9 
Papermaking 16 × 10440 m3/t 60 3.8 
Motor 575 × 104kw 0.1 m3/kw 60 3.5 
Automobile 42 × 104 60 m3/auto 60 15.1 
Compressor 416 × 104 4.8 m3/compressor 60 12.0 
Dairy product 133 × 10410 m3/t 
Liquid milk 121 × 1043 m3/t 
Feed 103 × 1040.15 m3/t 
Detergent 12 × 1048 m3/t 
Blower 0.15 × 104 20 m3/blower 
Transformer 1.2 × 108kw 80 m3/104 kw 
Cable 1.0 × 104km 0.15 m3/km 
Electronic component 3.78 × 108 1,120 m3/104 components 
Total    89.5 
ProductOutputWater quotaRatio of reclaimed water use (%)Reclaimed water (106 m3/yr)
Power generation 18.4 × 109 kwh 0.5 m3/gws 90 29.8 
Cement 391 × 1042 m3/t 90 7.0 
Commercial concrete 2,606 × 104 m3 0.7 m3/t 90 16.4 
Petroleum refining 213 × 1041.5 m3/t 60 1.9 
Papermaking 16 × 10440 m3/t 60 3.8 
Motor 575 × 104kw 0.1 m3/kw 60 3.5 
Automobile 42 × 104 60 m3/auto 60 15.1 
Compressor 416 × 104 4.8 m3/compressor 60 12.0 
Dairy product 133 × 10410 m3/t 
Liquid milk 121 × 1043 m3/t 
Feed 103 × 1040.15 m3/t 
Detergent 12 × 1048 m3/t 
Blower 0.15 × 104 20 m3/blower 
Transformer 1.2 × 108kw 80 m3/104 kw 
Cable 1.0 × 104km 0.15 m3/km 
Electronic component 3.78 × 108 1,120 m3/104 components 
Total    89.5 
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