waste made up of solid material
a liquid made of solid waste and water
wastewater carried away in sewers or drains
water or other liquid flowing into a treatment plant
water or other liquid flowing out of a water treatment plant
trash or pieces of broken things
heavy pieces of material such as sand or gravel
very small pieces of matter
made of plant or animal matter (of living things)
not made of plant or animal matter (not living)
a thick muddy mixture of organic and inorganic materials
organic solids in sludge
a living thing that can act or function independently
very small living things that can only be seen with a microscope (micro=small)
an organism that causes disease (e. coli)
a substance added to soil to help plants grow
methane gas (CH4)
a gas created when solid waste breaks down
an area of land that is filled with solid waste
using ultraviolet light to kill harmful pathogens
completely burning up
make clear by removing solids
addition of air or oxygen
to break down materials inside the body
where large objects such as sticks, cans and rocks are removed
where wastewater is slowed down to allow sand, gravel and other materials to sink
where wastewater is held for several hours allowing heavy material to settle
where oxygen is added to provide a place for micro-organisms to grow and eat small organic particles
where some of the solids and micro-organisms settle and some are put back into the process of treating more wastewater
where micro-organisms use organic material in the solids as food and convert it to bio-solids and methane gas
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