oxygen sag curve
Give this one a try later!
The curve obtained when the concentration of dissolved oxygen in a river
into which sewage or some other pollutant has been discharged is plotted
against the distance downstream from the sewage outlet
tertiary sewage treatment
Give this one a try later!
specialized chemical and physical processes that reduce the amount of
specific pollutants left in wastewater after primary and secondary
treatments; usually inexpensive
, dredge spoils
Give this one a try later!
materials, often laden with toxic metals, scraped from bottoms of harbors
and rivers to maintain shipping channels
secondary sewage treatment
Give this one a try later!
second step of sewage treatment; bacteria breakdown organic waste,
aeration accelerates the process.
septic tank
Give this one a try later!
A large container that receives wastewater from a house as part of a septic
system
primary sewage treatment
Give this one a try later!
Give this one a try later!
The curve obtained when the concentration of dissolved oxygen in a river
into which sewage or some other pollutant has been discharged is plotted
against the distance downstream from the sewage outlet
tertiary sewage treatment
Give this one a try later!
specialized chemical and physical processes that reduce the amount of
specific pollutants left in wastewater after primary and secondary
treatments; usually inexpensive
, dredge spoils
Give this one a try later!
materials, often laden with toxic metals, scraped from bottoms of harbors
and rivers to maintain shipping channels
secondary sewage treatment
Give this one a try later!
second step of sewage treatment; bacteria breakdown organic waste,
aeration accelerates the process.
septic tank
Give this one a try later!
A large container that receives wastewater from a house as part of a septic
system
primary sewage treatment
Give this one a try later!
