Sewage system

Date: 2015-10-07; view: 424.

Sedimentation (suspended solids/sludge settling)

Screening and grit removal

Removal of organic matter

Pass through treatment plants

Organic matter oxidized by the microorganisms

Microorganisms and bacterial slime

Food grinder attached to the sewage system

Domestic and industrial sewers

Disposing of organic refuse in water

Decomposed to produce methane gas

Collection pipes and mains

Aeration by jets of compressed air

Activated-sludge process

Sewage treatment

Waste disposal

Trucks equipped with compactors to maximize their capacities

To transport refuse to areas with sparse populations

To reduce roadside litter

To prevent the transmission of diseases

Refuse dumped into trenches

Refuse disposal system

Recycling salvageable materials: metal, glass and newsprint

Products made of recycled paper

Mechanical emptying large community trash containers into trucks

Manual picking up trash bags from individual households

materials salvage

over-wasting city sites

packages and plastic bottles

packing materials

recycled bags

refuse disposal systems

refuse generated per person

salvageable materials

the single stream recycling facility

to decompose

to dump

to litter

to tarnish

trash containers