Superficial Gas Flow Rate

The superficial gas-flow rate (Ug), defined as the ratio of the gas flow rate (Qg) to the total cross-sectional area (A), is a parameter increasing with flow rate and decreasing with residence time; it usually ranges, depending on pollutant type, from 50 to 200 m3 m—2 h_1. Since a superficial gas-flow rate increase obviously implies a reduction in removal efficiency, a maximum threshold of about 200 m3 m—2 h—1 should not be exceeded (24).

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Brew Your Own Beer

Discover How To Become Your Own Brew Master, With Brew Your Own Beer. It takes more than a recipe to make a great beer. Just using the right ingredients doesn't mean your beer will taste like it was meant to. Most of the time it’s the way a beer is made and served that makes it either an exceptional beer or one that gets dumped into the nearest flower pot.

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