Advanced Biologic Water Treatment Using Algae

Advanced Biologic Water Treatment Using Algae

An advanced water treatment method processes a continuous flow of water in a sequence of stages including pre-filtering [200] to remove solids, conditioning [202] to adjust pH, blending [210] with a recycled dense microalgae culture, and passing the resulting mixture through an enclosed, environment...

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Hauptverfasser: MCGRAW KEVIN S, WEIDOW STEVEN A, SYLVESTER JARED W, JOHNSON RICKY L, MCGOWAN MICHAEL W, ROBINSON TERRY S, WEIDOW JESSE D
Format: Patent
Sprache:eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator MCGRAW KEVIN S
WEIDOW STEVEN A
SYLVESTER JARED W
JOHNSON RICKY L
MCGOWAN MICHAEL W
ROBINSON TERRY S
WEIDOW JESSE D
description An advanced water treatment method processes a continuous flow of water in a sequence of stages including pre-filtering [200] to remove solids, conditioning [202] to adjust pH, blending [210] with a recycled dense microalgae culture, and passing the resulting mixture through an enclosed, environmentally-controlled photobioreactor [212] where nutrients, PCB's, trace metals and other pollutants and regulated compounds are taken up by the algae. The flow from the PBR is separated using cross-flow filtration [222] to produce a treated water flow and a dense microalgae flow that is recycled to the blending stage [210] upstream. Thus, whereas the algae is recycled, the water entering the system is treated by flowing sequentially through the stages of the system, without any recycling or repetition of treatment stages. A pig-type cleaning system is also provided.
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Advanced Biologic Water Treatment Using Algae
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