Actived Sludge Process Flashcards
(8 cards)
1
Q
Types of Wastes
A
- Oxygen Demanding Wastes
- Inorganic wastes
- Synthetic organic waste
- Nutrients
- Pathogenic wastes
- Radioactive wastes
- Thermal wastes
2
Q
Why do we treat wastes?
* To remove organic matter from the sewage which causes _______
* To remove ______ (disease causing organisms) which pose serious health risks
A
- pollution
- pathogens
3
Q
General Scheme of Wastewater treatment
A
tignan mo diagram ikaw na mag aral 😂
3
Q
- ______- grit, sand, gravel, plastics
- ______ - fecal matter
- ______ - pathogens, organic matter
A
- Coarse materials
- Suspended materials
- Dissolved and colloidal materials
4
Q
_________
* _________ from raw and settled, “active”
* ___________
-algae
-bacteria
-fungi
-rotifers
-viruses
-protozoa
A
Activated Sludge
Sludge
Microbial Consortium
5
Q
- Both treatment and settling occur in one tank
- 8-49 hour cycle times
- F/M: 0.03 -0.18
- SRT: 15-80 days
A
Sequencing Batch Reactor
6
Q
Sequencing Batch Reactor:
5 cycles
A
- fill
- react
- settle
- draw
- idle
7
Q
Sequencing batch reactor
Advantages
A
- elimination of clarifier
- high tolerance
- low MLSS washout
- good settling conditions
- process flexibility
