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Mysteries of Science

Mysteries of Science is authored by Dr. Ken Gilleo

Ken Gilleo Dr. Gilleo is a chemist, inventor and general problem solver.

Ken's been tracking industrial forensics and collecting case histories for decades. These cases are taken from the vast world of industry and commercial enteprise.

We hope you enjoy these case histories and you need not be an engineer or scientist to understand the problem and to appreciate the solutions.

For more information visit
www.et-trends.com

Only the Old Reactor Worked

Only the Old Reactor Worked
The expected color reaction at a dye-manufacturing plant hadn't taken place. Why did the batch still work when moved into the old reactor?
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Details

The sprawling GAF plant was upgrading some equipment in their dye-manufacturing department. One of the oldest and most common designs for production reactors is the glass-lined metal vat, or glass kettle.

These old vessels were made of cast iron, but often coated with glass or ceramic similar to a porcelain cooking pot. A new glass-lined reactor had been installed because the old one was too small. The new reactor was made of a newer metal alloy instead of cast iron, but it was glass-lined just like the old cast iron reactor.

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