Table 5 B0 and MCF values under different wastewater treatment modes.

From: Monthly methane emissions in Chinese mainland provinces from 2013–2022

Subsector

Treatment

B0

MCF

Ref

Industrial

Direct discharge

0.25

0.1

31

Industrial

Centralized treatment

0.25

0.47

81,82

Agriculture

Direct discharge

0.25

0.1

31

Domestic

Direct discharge

0.587

0.1

29

Domestic

Centralized treatment

0.587

0.165

129

Domestic

Other treatment

0.587

0.1(family toilets)

29

Domestic

Other treatment

0.587

0.5(public toilets)

29

  1. B0 is expressed in kg CH4 per kg COD for industrial and agricultural wastewater and in kg CH4 per kg BOD for domestic wastewater.
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