Constructed Wetland

Geographic location

Cox’s Bazar
Bangladesh

Main treatment objectives

Pathogen reduction
Solid/liquid separation

Required space

0.08 m²/m³ of design input flow

Technologies employed

Constructed wetland
Disinfection
Infiltration
Sand filter

Design population

1 000 persons

Design input flow

1 m²/day

Design life

Short term (months)

Final outputs

Effluent
Sludge

Skills level

FSM specialist for construction
FSM specialist for design
Geographic location

Cox’s Bazar -
Bangladesh

Main treatment objectives
Pathogen reduction
Solid/liquid separation
Technologies employed
Constructed wetland
Disinfection
Infiltration
Sand filter
Design population
1000 persons
Final outputs
Effluent
Sludge

Time construction and commissioning

Required space
0.08 m²/m³ of design input flow
Design input flow
1.40 m²/day
Design life
Short term (months)
Skills level
FSM specialist for construction
FSM specialist for design

Description of the emergency context

Kutupalong camp has a natural terrain with hills and canals flowing through the downhills. The forced Myanmar inhabitants have their shelters mostly at different levels of the hills, which makes it difficult to desludge toilets pits.

Description of the treatment process

No description

Assessment & design (feasibility)

The sludge is transported to the intermediate transfer station located at the uphill side of the camp. Once the sludge is transported to an intermediate transfer station, it goes to the constructed wetland located at the downhill side by gravity. An underneath pipe connects the transfer station to the constructed wetland. The treatment plant will be soon decommissioned as it is set up in a flood prone area.

Construction

Operation and maintenance

Lessons learned

Strengths

Weaknesses

Sharable project files

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