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Match it! Select the correct answer from the pull down...Good luck!
What process removes virtually all dissolved materials from water?
evaporation
organic matter in the form of sludge cakes are taken to the landfill, burned or used as fertilizer
infiltration
all of the above
bacteria, without oxygen, break down organic matter releasing methane
all of these
bacteria using oxygen break organic matter into carbon dioxide and water
digesters
What can be used to kill disease-causing bacteria in treated wastewater?
evaporation
organic matter in the form of sludge cakes are taken to the landfill, burned or used as fertilizer
infiltration
all of the above
bacteria, without oxygen, break down organic matter releasing methane
all of these
bacteria using oxygen break organic matter into carbon dioxide and water
digesters
What happens in the clarifier tanks?
evaporation
organic matter in the form of sludge cakes are taken to the landfill, burned or used as fertilizer
infiltration
all of the above
bacteria, without oxygen, break down organic matter releasing methane
all of these
bacteria using oxygen break organic matter into carbon dioxide and water
digesters
What naturally removes most of the smaller particles from water?
evaporation
organic matter in the form of sludge cakes are taken to the landfill, burned or used as fertilizer
infiltration
all of the above
bacteria, without oxygen, break down organic matter releasing methane
all of these
bacteria using oxygen break organic matter into carbon dioxide and water
digesters
What happens in the digester tanks?
evaporation
organic matter in the form of sludge cakes are taken to the landfill, burned or used as fertilizer
infiltration
all of the above
bacteria, without oxygen, break down organic matter releasing methane
all of these
bacteria using oxygen break organic matter into carbon dioxide and water
digesters
What happens to the waste after the digester?
evaporation
organic matter in the form of sludge cakes are taken to the landfill, burned or used as fertilizer
infiltration
all of the above
bacteria, without oxygen, break down organic matter releasing methane
all of these
bacteria using oxygen break organic matter into carbon dioxide and water
digesters
What step in the treatment of wastewater produces methane gas that can be used for electricity and heat?
evaporation
organic matter in the form of sludge cakes are taken to the landfill, burned or used as fertilizer
infiltration
all of the above
bacteria, without oxygen, break down organic matter releasing methane
all of these
bacteria using oxygen break organic matter into carbon dioxide and water
digesters
How do plants help clean water?
evaporation
organic matter in the form of sludge cakes are taken to the landfill, burned or used as fertilizer
infiltration
all of the above
bacteria, without oxygen, break down organic matter releasing methane
all of these
bacteria using oxygen break organic matter into carbon dioxide and water
digesters
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