Low-Carbon Watershed Management: Potential of Greenhouse Gas Reductions from Wastewater Treatment in Rural Vietnam

Table 3

Scenarios description and model input parameters.

Parameters	Baseline	Scenario 1	Scenario 2	Scenario 3	Scenario 4
Population increasing rate, %	0.5	0.5	0.5	0.5	0.5
BOD5, g/person/day	40~60	40~60	40~60	40~60	40~60
Wastewater discharge pathways, %
(i) Latrines	80	20	20	20	20
(ii) Sewer	—	10	10	10	10
(iii) Conventional activated sludge	—	50	20	—	20
(iv) Johkasou	—	—	30	50	30
(v) Others	20	20	20	20	20
Energy consumption for CAS [24], kWh/person/year	30	30	30	30	30
Energy consumption for Johkasou, kWh/person/year	88	88	88	75	75