Questions and Answers
Which odorous compound is associated with a fishy odour?
What odour is linked to hydrogen sulphide?
Which compound has an odour described as decayed cabbage?
Skatole is known for which type of odour?
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Which odorous compound is characterized by an ammoniacal odour?
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Study Notes
Odorous Compounds in Raw Wastewater
- Amines: Emit a fishy aroma, commonly related to the decomposition of organic matter.
- Ammonia: Recognized for its strong ammoniacal odor, often a result of the breakdown of nitrogen-containing compounds.
- Diamines: Produce a smell reminiscent of decayed flesh, often arising from protein degradation.
- Hydrogen sulphide: Characterized by a strong rotten egg scent, typically generated by anaerobic decomposition of organic materials.
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Mercaptans:
- Methyl and ethyl mercaptans release a decayed cabbage odor, contributing to unpleasant smells in wastewater.
- T-butyl and crotyl mercaptans are associated with a skunk-like scent, highlighting the varied nature of these compounds.
- Organic sulphides: Create a rotten cabbage smell, indicating the presence of sulphur compounds in the wastewater.
- Skatole (C9H9N): Noted for its faecal matter odor, it is a byproduct of protein breakdown in sewage systems.
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Description
Explore the various odorous compounds found in raw wastewater. This quiz covers the distinct odors associated with different compounds, from fishy amines to the characteristic smell of rotten eggs from hydrogen sulphide. Test your knowledge of environmental science and wastewater management.
