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surface water aeration Applications

  • Air control for wastewater treatment aeration

    Aeration Process Introduction: Waste Water Treatment removes impurities and contaminants from a com¬munity`s sewage utilizing a number of different processes and a variety of equipment. One of the processes is the use of surface aerated basins that use aerobic micro-organisms to remove 80 to 90% of organic matter in waste water. Oxygen concentration in the water basins is a critical factor to promote the optimum micro-organism growth rate needed to treat the water in the shortest amount of time. As a result, large compressors are used to force air through hundreds of air diffusion filters at the bottom of the aeration basins, providing a constant 24/7 supply of oxygen to the micro-organisms in the water.

    By Kurz Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Solutions for the wastewater sector

    Conventional wastewater treatment systems are focused on efficient removal of polluting components. This is commonly done through aeration and separation of formed biomass from the cleaned water. After treatment the water would be discharged onto surface waters or subsoil irrigation. Introduction of polishing steps after these treatment systems opened up the possibilities to reuse water for either irrigation or even potable water. DMT Environmental Technology also implements these solutions with its MemBioRex membrane bioreactor. Nowadays novel technologies enable reuse of saline water within industries such as unconventional oil and gas, industry, agriculture, and mining. DMT Water Technology develops and realises innovative products to enable our customers to meet these challenges.

    By DMT Global Environmental Solutions BV based in Joure (NL), NETHERLANDS.

  • Enhanced Biosolids and Bio Sludge Dewatering with Wilsa EWC

    IMPROVED BIOSOLIDS/ BIO SLUDGE DEWATERING WITH WILSA® CONDITIONING The WILSA ElectroWave™ effect can be used to condition polar fluids to alter their physical properties, improving several chemical and physical processes. - Reducing surface tension to improve the ability of water to repel solids - break physical / chemical emulsions - Increasing the contact angle of water - improve coalescing of solid particulate toaccelerate phase separation - Lowering the viscosity of water - reduce friction of flocculated solids dropping through less viscous water - Lower viscosity, reduced surface tension and increased contact angle of water - improve aeration of wastewater Installation of WILSA® ElectroWave Conditioner upstream of a belt press at a wastewater treatment plant resulted in polymer usage dropping by >50% while achieving much dryer solids.

    By Hudson Industries based in Vienna, OHIO (USA).

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