Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Wastewater > BOD > Flashcards

BOD Flashcards

1
Q

BOD Formula

A

Consumed DO x (vol of dil sample/vol of sample)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

rate of deoxygenation/ satisfaction of BOD

A

Temp,amt and nature of org material present in sewage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is Lt

A

oxygen equivalent of carbonaceous oxidable org matter present in sewage t days from the start of oxid process in mg/L

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

order of BOD rxn

A

1st

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is Kd 20 range

A

0.05 to 0.2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

why simple compounds have higher Kd

A

easily utilised by microorg, eg sugars and starches. i.e why complex molecules like phenols have low Kd as diff to assimilate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is BOD

A

Biochemical oxygen demand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is CBOD

A

Carbonaceous Biochemical oxygen demand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is NOD

A

Nitrogeneous oxygen demand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is NBOD

A

Nitrogeneous biochemical oxygen demand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

WHat is 1st stage BOD

A

CBOD/CARBONACEOUS DEMAND

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is second stage BOD

A

Nitrification demand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly

Wastewater (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions