Filter Backwash - Collapse-Pulse During Air/Water Wash of GAC/Sand Pilot Filter

Filter Backwash - Collapse-Pulse During Air/Water Wash of GAC/Sand Pilot Filter Tube. Duration : 0.38 Mins.

In this video, a 6-inch diameter clear PVC pilot filter filled with 4-ft of biologically active bituminous granular activated carbon (GAC) over 1-ft of silic...

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Spider Bite Treatment: How to Treat a Spider Bite during TEOTWAWKI

Spider Bite Treatment: How to Treat a Spider Bite during TEOTWAWKI Video Clips. Duration : 1.20 Mins.

Visit www.SurvivalBlog.org for more great tips and tricks on surviving the end of the world as we know it! I was bit by a spider (not a brown recluse, thank God!), but it was really bothering me. Here's how to treat a spider bite. Ingredients: Activated carbon Grinder Band aid

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Filter Mudball Obliteration During Air Scour.AVI

Filter Mudball Obliteration During Air Scour.AVI Video Clips. Duration : 0.50 Mins.

The solids that accumulate in the top of a granular activated carbon (GAC) filter bed, can form mud balls. These amorphous solid masses, composed of coagulant, previously suspended solids, and filter media, can lead to filter problems. Here, the mud ball is visible during low backwash. But, when air is added to the backwash, the collapse pulse action in the filter bed breaks the mud ball apart.

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