A great environmental story about gypsum

Environmental racism in reverse

Data logging--an introduction

A great environmental story about gypsum

December 31, 2007

Yes, gypsum. It's the only example I can think of whereby a mineral is renewable! That's because calcium oxide, used to remove sulfur dioxide from flue gas, converts back to a purer form of the gypsum (calcium sulfate).

Read my Health New Digest piece, that features plenty of quotes from gypsum guru Harry Lubitz.

Posted at 02:57 PM in Science | Permalink | Comments (0)

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A great environmental story about gypsum

December 31, 2007

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