renewable energies

How many stalks of corn do you need to make one gallon of ethanol fuel?

This is for school, in case anyone was wondering.

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This entry was posted on Wednesday, January 31st, 2007 at 8:36 pm and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

4 Responses to “How many stalks of corn do you need to make one gallon of ethanol fuel?”

1. pnybt on February 3rd, 2007 at 1:03 am

   you don’t use the stalks, you use the corn kernals and alot.

   Currently the main feedstock in the United States for the production of ethanol is corn.[citation needed] Approximately 2.8 gallons of ethanol (10 liters) are produced from one bushel of corn (35 liters). While much of the corn turns into ethanol, some of the corn also yields by-products such as DDGS (distillers dried grains with solubles) that can be used to fulfill a portion of the diet of livestock. A bushel of corn produces about 18 pounds of DDGS.[3] Critics of ethanol as fuel decry the use of corn to produce ethanol because corn is an energy-intensive crop that requires petroleum-derived fertilizers; however, using corn to produce alcohol could save farmers additional petroleum if the farmers are feeding the byproduct to livestock and if the excrement from the animals is then used as fertilizer for the corn [Lynn Ellen Doxon; The Alcohol Fuel Handbook]. Although most of the fermentation plants have been built in corn-producing regions, sorghum is also an important feedstock for ethanol production in the Plains states. Pearl millet is showing promise as an ethanol feedstock for the southeastern U.S.

2. jenny_deliah on February 6th, 2007 at 12:16 am

   its not that simple

3. nyninchdick on February 7th, 2007 at 12:34 am

   Corn produces roughly 2.5 gallons of ethanol per bushel. The number of stalks per bushel depends on the variety of corn, weather conditions, etc.

4. Oiler on February 8th, 2007 at 4:18 am

   Depends on sugar content of the corn. The sugar is what yields the most ethanol. Also, the efficency of the refinery.

   Good to know our education system is wasting time having students answer questions that can’t be answered…

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