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Electrochemical Treatment Applications

  • Electrodeionization

    The Fractional Electrodeionization (FEDI) process is an advancement of conventional EDI. The patented dual voltage process allows for a higher flexibility and tolerance to inlet water conditions, thus lowering the risk of scaling, and improving the plant& design economics and reliability. By incorporating a two-stage separation process with different voltages the FEDI process is able to: Achieve a higher hardness tolerance by having distinctly different concentrate chambers with separate reject streams and thus reducing the potential of hardness scaling. Optimize power consumption by using higher electrical current only where required. Ensure the best water quality, continuously consistently by removing a major part of the deionization load in the hardness removal zone, while residual ionic impurities are effectively removed in the silica removal zone;, which stays in a polishing mode.

    By QUA Group LLC based in Canonsburg, PENNSYLVANIA (USA).

  • Desalination Thermal Multiple Effect Distillation (MED)

    Aquatech’s Multiple Effect Distillation (MED) Desalination technology, using a spray film™ design, has been developed and improved over decades of in- house research and onsite experience of such systems worldwide to provide an environmentally friendly system to meet the global challenges of a reduced carbon footprint. Production capacity up to 10 MIGD (45,500 m3/day) in a single unit: Significantly lowers electrical consumption Design flexibility to use low to medium pressure supply steam Minimum down time and therefore a higher plant availability factor High purity product water Operates at a low top brine temperature (<70 °C) to minimize scaling and to prevent corrosion Allows use of lower cost but reliable and proven metallurgy Use of Thermo Vapor Compressor to increase efficiency

    By Aquatech International Corporation based in Canonsburg, PENNSYLVANIA (USA).

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    Measurement solution for AD-211 VOC speciation in natural gas, syngas & gasification

    Composition of Natural Gas, Syngas via VOC Speciation

    The composition of fuel gas is important in order to determine calorific value and also to detect any unwanted contaminants in the gas. Online analysis is important in order to give real-time and direct action on issues.

    By Protea Limited based in Middlewich, UNITED KINGDOM.

  • Energy from the anaerobic wastewater treatment for the Food and Beverage industrial sector

    Industrial wastewater characterized by an high COD content are an interesting renewable source for the Food and beverage industrial sector which can have them readily available from their industrial processes. The COD contribution in the wastewater can be easily converted in biogas and then in green energy to reuse inside the factory as both electrical energy and thermal energy. This process can be applied with the installation of the UASB technology, implemented by Hydroitalia - Colsen in new and existing plants.

    By Hydroitalia - Colsen Srl based in Medicina, ITALY.

  • COD Reduction

    Chemical Oxygen Demand (COD) is used as a measure of organic pollutants in water. In wastewater treatment, it indicates the efficacy of a treatment process and is expressed in milligrams per litre (mg/L) or parts per million (ppm). Removing certain fractions of COD in waste streams can be particularly challenging, especially to levels safe for discharge to the environment.

    By Arvia Technology based in Runcorn, UNITED KINGDOM.

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    Wastewater solutions for municipal sewer control

    Problem: A significant portion of the operational costs of a conventional municipal wastewater treatment plant employing an aerobic biological treatment unit comes from electricity costs associated with aeration. In many cases, the aeration rates are kept at the maximum level to ensure that the plant’s effluent is in compliance with the regulations. The critical parameter for regulatory purposes and treatment efficiency, BOD, takes 5 days to measure through standard methods providing almost no value to the plant operators in terms of adjusting aeration rates and chemical dosing.

    By Real Tech Inc. based in Whitby, ONTARIO (CANADA).

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    Chemical Water Treatment for boiler water & heating systems

    In nearly all industrial areas steam is needed for different aims e.g. steam for process side, heating purpose or the generation of electricity. To reach the best efficiency of the boiler system an optimal boiler water treatment is essential. Disturbances in boilers caused by deposits, scaling, corrosion, local overheating or carryover into the steam reduce the operating safety and could lead to tremendous economic damages. Kurita delivers innovative technologies to prevent scale and corrosion in the whole boiler system - feed water tank, boiler, steam and condensate system.

    By Kurita based in Ludwigshafen, GERMANY.

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    Gas analysis & monitoring system for biogas analysis

    “Biogas” means a mixture of various types of gas (mostly methane) produced by bacterial fermentation in anaerobic conditions(absence of oxygen) of organic residues from waste, decaying plant, carcasses in putrescence. The analyzers of biogas by Infrared cells carry out the continuous analysis of CH4, O2, CO2, H2S and NH3. The whole process sees the decomposition of organic material by some types of bacteria, producing carbon dioxide, molecular hydrogen and methane(methane conversion of organic compounds).

    By ETG Risorse e Tecnologia based in Montiglio, ITALY.

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