Wastewater Treatment

30 terms by skycasey

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solid waste

waste made up of solid material

wastewater

a liquid made of solid waste and water

sewage

wastewater carried away in sewers or drains

influent

water or other liquid flowing into a treatment plant

effluent

water or other liquid flowing out of a water treatment plant

debris

trash or pieces of broken things

grit

heavy pieces of material such as sand or gravel

particles

very small pieces of matter

organic

made of plant or animal matter (of living things)

inorganic

not made of plant or animal matter (not living)

sludge

a thick muddy mixture of organic and inorganic materials

bio-solid

organic solids in sludge

organism

a living thing that can act or function independently

micro-organism

very small living things that can only be seen with a microscope (micro=small)

pathogen

an organism that causes disease (e. coli)

agricultural fertilizer

a substance added to soil to help plants grow

methane gas (CH4)

a gas created when solid waste breaks down

landfill

an area of land that is filled with solid waste

UV disinfection

using ultraviolet light to kill harmful pathogens

incineration

completely burning up

clarify

make clear by removing solids

aeration

addition of air or oxygen

settle

to sink down

digest

to break down materials inside the body

bar screener

where large objects such as sticks, cans and rocks are removed

grit tank

where wastewater is slowed down to allow sand, gravel and other materials to sink

settling tank

where wastewater is held for several hours allowing heavy material to settle

aeration tank

where oxygen is added to provide a place for micro-organisms to grow and eat small organic particles

clarifier

where some of the solids and micro-organisms settle and some are put back into the process of treating more wastewater

digester

where micro-organisms use organic material in the solids as food and convert it to bio-solids and methane gas

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