Reference no: EM131288335
Question 1
How many pounds of nitrogen are in food waste in Louisville, KY, if the food waste contains a total of 100 pounds of carbon plus nitrogen? Use Table 8-5.
6.29 lb
85.1 lb
93.7 lb
159 lb
Question 2
One thousand pounds of cellulose (C6H10O5) is anaerobically converted to methane and carbon dioxide. How much methane is produced?
0.0988 lb
0.296 lb
98.8 lb
296 lb
Question 3
__________ is defined as the absence of oxygen.
Anaerobic
Aerobic
Propionic
Odoriferous
Question 4
__________ is an excellent fuel but it is expensive to transport.
Landfill gas
MSW
Methane gas
Compost material
Question 5
Landfill gas can be used for all of the following EXCEPT:
generate electricity.
sell the gas to other LNG fueling stations.
export the gas.
measure the moisture content.
Question 6
One thousand pounds of cellulose (C6H10O5) is anaerobically converted to methane and carbon dioxide. How much carbon dioxide is produced?
0.272 lb
0.815 lb
272 lb
815 lb
Question 7
The end product of decaying organic matter (through anaerobic methods) includes all of the following EXCEPT:
methane.
ammonia.
carbon dioxide.
oxygen.
Question 8
Usually, __________ is considered the minimum time for adequate composting of shredded municipal refuse in windrows.
1 week
4 weeks
3 weeks
2 weeks
Question 9
Some processes designed to compost MSW without the removal of inorganic fractions is referred to __________.
mixed waste composting
hand separation
shredding
receiving
Question 10
Municipal refuse usually contains about __________ organic materials.
75%
50%
70%
20%
Question 11
Five tons of a mixture consisting of paper and other compostable materials has a moisture content of 7%. The intent is to make a mixture for composting that is 50% moisture. How many tons of water or sludge must be added to the solids to achieve this moisture concentration in the compost pile?
Your response should be at least 200 words in length.
Question 12
Describe the differences between how aerobic decomposition systems and anaerobic decomposition systems work. What are the end products to each system?
Your response should be at least 200 words in length.
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