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).

Brew Your Own Beer

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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