Corporations: A for Aluminum

Alcoa, which has found uses for alu minum in everything from baseball bats to Chippendale chairs, last week an nounced development of an aluminum-based water-desalination system. Refusing to divulge technical details because it now has a patent pending, the Pittsburgh-based company said that its desalting system would be the first to utilize the waste hot water that is dis charged by plants in such industries as chemical processing and petroleum refining. As a result, Alcoa said, it is capable of producing fresh water for as little as 25¢ per 1,000 gal. — at least 40% under the...

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