The Zeithamer Family: Alcohol Fuel at Work  By the MOTHER EARTH
NEWS editors September/October 1979  Content Tools  Related
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Operation Works   The Minnesotans then pump the "beer" mixture
through a preheating chamber and on into their "stripper"
column: a 12-inch-diameter, 17-foot vertical pipe (containing 76
perforated plates) which separates the alcohol vapors from the
water mixture. This design allows for any partially distilled
mash to fall back to the base of the tower to be recycled. The
alcohol vapors are taken off the top of the column, fully
liquefied in a condenser, and finally drained into a
1,000-gallon storage container to be denatured. (The denaturing
process involves nothing more than the addition of several
gallons of gasoline and ketone to the tankful of spirits i