How do composting toilet systems help improve sewage treatment?
A) Sewage flows into a passive solar greenhouse.
B) Waste is converted to a soil-like humus that can be used as a fertilizer.
C) Water passes through an artificial marsh made of sand and gravel filtering out organic waste.
D) Household sewage and wastewater is pumped into a settling tank.
E) Aerobic bacteria remove as much as dissolved and biodegradable, oxygen-demanding organic wastes.

Question

Quizplus · Accepted Answer

Composting toilet systems convert human waste into a soil-like humus that can be used as a fertilizer, which helps to improve sewage treatment by reducing the amount of solid waste that needs to be treated in sewage treatment plants. This also helps to conserve water resources and prevent pollution of the environment.

How Do Composting Toilet Systems Help Improve Sewage Treatment