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Posts tagged “water usage”

By Robert Rapier on Nov 2, 2007 with no responses

Town Runs Out of Water

Do you think right about now they are wishing they had a couple of water-guzzling corn ethanol plants contibuting to the local economy? Tennessee town has run out of water The severe drought tightening like a vise across the Southeast has threatened the water supply of cities large and small, sending politicians scrambling for solutions. But Orme, about 40 miles west of Chattanooga and 150 miles northwest of Atlanta, is a town where the worst-case scenario has already come to pass: The water has run out. Three days a week, the volunteer fire chief hops in a 1961 fire truck at 5:30 a.m. – before the school bus blocks the narrow road – and drives a few miles to an… Continue»

By Robert Rapier on Sep 23, 2007 with no responses

Recent Damning Biofuel Studies

There were a couple of recently-released studies on biofuels that readers have e-mailed to me or commented on. I will highlight them here. The first involves a study published in the journal Atmospheric Chemistry and Physics. One of the authors is a Nobel Prize-winning scientist recognized for his work on atmospheric chemistry. The (UK) Times reports: Rapeseed biofuel ‘produces more greenhouse gas than oil or petrol’ Measurements of emissions from the burning of biofuels derived from rapeseed and maize have been found to produce more greenhouse gas emissions than they save. Other biofuels, especially those likely to see greater use over the next decade, performed better than fossil fuels but the study raises serious questions about some of the most… Continue»

By Robert Rapier on Mar 20, 2007 with 1 response

Water Usage in an Oil Refinery

There has been much controversy regarding the amount of water used to produce a gallon of ethanol. Considering just the usage in the ethanol plant (ignoring any irrigation requirements for the corn), this amounts to about 4 gallons of water per gallon of ethanol produced: New Research Paper Finds Water Availability Critical to Growth of Ethanol Industry Generally, an ethanol plant will use 10 gallons of water per minute for each 1 million gallons of ethanol produced. A typical 50 million gallon plant, would need 500 gallons per minute of water. There are no publicly available records on water use by ethanol plants in the United States, the authors found, with the exception of the Minnesota Department of Natural Resources…. Continue»