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Practitioner's Tool / Determining Pretreatment Needs – Markets

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[[Costs_for_Sanitation_Options_-_Markets|Costs for Sanitation Options for Markets]]

~~[[File:Trashtrap1.jpg|right|200px]]~~

~~[[File:Trashtrap2.jpg|right|200px]]~~

Trash traps are simple devices that prevent solid waste from flowing down the drains and causing drainage problems. Traps are often located at strategic locations on the wastewater collection system. Remember that trash traps must be cleaned frequently, and the screenings should be placed in covered receptacles and disposed of as solid waste.

[[File:Trashtrap1.jpg|right|200px]]

[[File:Trashtrap2.jpg|right|200px]]

There are two main types of trash traps for markets. The first - pictured to the right - is a mesh box developed by researchers in Kuala Lumpur for channelized sewers. Its design is flexible and easy to install. It can be designed to fit into sewer channels at strategic locations selected to trap the most solids. Hinged lids and doors make this unit especially easy to clean and maintain. Plastic coated metal components protect against corrosion, making this an extremely durable product.

Winona

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