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Solid buoyant media induced flotation
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Skimmer mechanism
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Buoyant media flotation
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Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes
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Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in flat bottom flumes
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Reciprocal skimming device for dissolved air floatation basins
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Apparatus and method for improving gas backwash in lateral underdrains
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Cap system for underdrains in gravity filters
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Cap for underdrains in gravity filters
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Mutli-lateral filter underdrain block
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Air duct block for air/water underdrain systems in gravity filters
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Flume distribution system with removable block
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Cap for underdrains in gravity filters
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Filter underdrain block
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Sewage comminutor installation
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Tray for seed germination and the like
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Liquid clarifier weir construction
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Portable liquid measurement flume
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Rotary washer for filter beds
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Meter housing structure
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