Traditional Culture Encyclopedia - Traditional festivals - Advantages and disadvantages of sewage constructed wetland treatment technology and traditional activated sludge technology

Advantages and disadvantages of sewage constructed wetland treatment technology and traditional activated sludge technology

Artificial wetland

Advantages: less investment, low operation cost, and certain treatment effect on almost all types of sewage.

Disadvantages: large floor space and unstable treatment effect.

Activated sludge process

Advantages: small floor space, good treatment effect on general wastewater and stable effluent quality.

Disadvantages: more investment, higher operation cost, inability to remove heavy metals, and poor treatment effect on refractory organic matter.