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Business

Evonik Looks Closely At Bubble Columns

by Michael McCoy
June 30, 2014 | APPEARED IN VOLUME 92, ISSUE 26

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Credit: Evonik
After testing, Evonik plans to use the bubble column, shown here under construction, to try out new production processes.
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Credit: Evonik
After testing, Evonik plans to use the bubble column, shown here under construction, to try out new production processes.

German chemical maker Evonik Industries created a bubble column test facility at its site in Marl, Germany, with the goal of improving its understanding of the reactors. Bubble columns, in which a gas is bubbled through a large tube of liquid from bottom to top, are used to produce some 50 million metric tons of chemicals every year, Evonik estimates. A better understanding of the fluid dynamics of the columns will help make chemical production more efficient, the firm says.

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