Pulp and Paper Industry
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High BOD, COD and suspended solids
What causes small floc and chemical treatment?
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Paddle speed too fast
In electrical wiring the color of the ground wire is normally
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Green
NFPA Yellow Diamond is
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Reactivity Hazard
The liquid coming from the top of a centrifuge is called
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The centrate
The setpoint is the position at which the
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Controller is set
The following may be use for removing oil from a waste stream
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, Centrifugation
Reverse osmosis works by
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Flow reversed by application of pressure to high concentration solution
through a semi permeable membrane
Head loss
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The loss of energy/pressure as a result of turbulence from pipe roughness,
fittings or friction
POTW Secondary Treatment
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Coverts O2 demanding compounds to more stable forms that don't
demand oxygen when released to receiving water
If a waste water has a pH of 10 it is
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, Basic
Ion exchange maybe used to remove
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Precious metals such as silver and gold from plating industry waste water
Oxidation
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The loss of electrons from a substance involved in a redox reaction. Such
as cyanide treatment
Which combination of chemicals will create the greatest amount of sludge solids in
treating chromium
A) ferrous sulfate and caustic soda
B) ferrous sulfate and lime
C) sodium bisulfite and sodium hydroxide
D) sodium bisulfite and calcium hydroxide
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B) ferrous sulfate and lime
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High BOD, COD and suspended solids
What causes small floc and chemical treatment?
Give this one a try later!
Paddle speed too fast
In electrical wiring the color of the ground wire is normally
,Give this one a try later!
Green
NFPA Yellow Diamond is
Give this one a try later!
Reactivity Hazard
The liquid coming from the top of a centrifuge is called
Give this one a try later!
The centrate
The setpoint is the position at which the
Give this one a try later!
Controller is set
The following may be use for removing oil from a waste stream
Give this one a try later!
, Centrifugation
Reverse osmosis works by
Give this one a try later!
Flow reversed by application of pressure to high concentration solution
through a semi permeable membrane
Head loss
Give this one a try later!
The loss of energy/pressure as a result of turbulence from pipe roughness,
fittings or friction
POTW Secondary Treatment
Give this one a try later!
Coverts O2 demanding compounds to more stable forms that don't
demand oxygen when released to receiving water
If a waste water has a pH of 10 it is
Give this one a try later!
, Basic
Ion exchange maybe used to remove
Give this one a try later!
Precious metals such as silver and gold from plating industry waste water
Oxidation
Give this one a try later!
The loss of electrons from a substance involved in a redox reaction. Such
as cyanide treatment
Which combination of chemicals will create the greatest amount of sludge solids in
treating chromium
A) ferrous sulfate and caustic soda
B) ferrous sulfate and lime
C) sodium bisulfite and sodium hydroxide
D) sodium bisulfite and calcium hydroxide
Give this one a try later!
B) ferrous sulfate and lime
