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liquid waste treatment process Applications

  • Air pollution control for the liquid waste treatment industry

    Companies requiring treatment of any waste-water emitted by a manufacturing process – commonly use incinerators for air pollution control needs.

    By Catalytic Products International (CPI) based in Lake Zurich, ILLINOIS (USA).

  • Applications and Air Pollutants Removed in Hazardous, Solid and Liquid Waste Treatment Operations

    Venturi scrubbers with FORCE FLUX Condensation technology and Wet Electrostatic Precipitators for industrial, municipal, sewage sludge and pathological waste incinerators to remove micron, submicron particulate, heavy metals and acid gases. Special quencher/scrubber systems for dioxin removal. HCL scrubbing from PVC plastic waste burning. Fine particulate, acid gases and NOx removal on munitions destruction. Cleanup of all pollutants from liquid waste incinerators and other high temperature destruction processes. Acid and particulate emissions from electronic board and metals recovery operations.

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

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    Hazardous waste treatment solutions for metal industry

    Sludge by-products from the metalworking industry have a high potential for recycling. Prolonged grinding processes can generate large amounts of highly valuable, alloy-rich sludge; consisting of metal powder and cooling lubricants. Inside our VacuDry system, the thermal separation of the liquids (hydrocarbons, eventually water) and solids (metal powder) takes place in an oxygen free atmosphere. This absence of oxygen ultimately eliminates material degradation by oxidation, and self-ignition or explosion risks. Operation under a low vacuum ensures the possibility to recover the cooling lubricants for later reuse. After the thermal treatment, for appropriate handling in the melting process, the metal powder is pressed into briquettes. With the econ VacuDry technology, 100% recycling of all ingredients is possible.

    By econ industries services GmbH based in Starnberg, GERMANY.

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    Hazardous waste treatment solutions for chlorine industry

    The mercury cell process is a formerly widely-used production technique for the production of chlorine and caustic soda. The liquid metal, mercury, acts as cathode (negative pole) in this process. In the past, the loss of mercury during the process (to air, soil and water) led to serious health and environmental problems. Therefore, most European chlorine producers have decided to phase out the mercury cell process by 2020. Nevertheless, even today, almost 6000 tons of mercury is used per year for chlorine production in Europe alone. As a result of this, yearly waste outputs contain around 1200 tons of mercury, which are stored on-site or sent off for disposal.

    By econ industries services GmbH based in Starnberg, GERMANY.

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    Water treatment for power plants

    The process of electricity generation from fossil fuels such as coal, oil and natural gas is water-intensive. Between 40-50% of all water abstracted and used in developed countries is used in the generation of electricity. Thus, a reliable, abundant and predictable source of raw water supply to a power plant is a critical factor in site selection. Water supplies are required to provide various process waters for the following essential main purposes such as make-up water, cooling water for steam turbine condensers, and auxiliary plant cooling water.

    The primary application of modern water treatment technology is to maintain the integrity and performance of the power plant. Critical plant applications have water purity or conditioning requirements that must be adhered to for safe, reliable and efficient power generation.

    Experience has shown that integration of water technology treatments with power plant design can be very important in reducing operational problems and component failures 

    At power plant worldwide there are increasing limitations on water availability and environmental restrictions on discharges. This is expected to promote measures for water conservation and to have an increasing influence on water treatment decisions. At power plant, the recycling of internal wastewater streams can extend from the recovery of individual high-quality waste streams, which can be reused either directly or after only limited treatment, through to the development of fully integrated water/wastewater treatment systems for zero liquid discharge. However, the application of reuse schemes requires site-specific assessment, as not all waters may be viable options for recovery.

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    Water treatment solutions for the industrial water supply industry

    Water is widely used in industry, whether it is encountered as raw water, process water or waste water. Very often this water must be treated before entering the process to ensure its quality and properties will meet the specifications demanded by the industrial process. In addition, with recent discharge regulations and policies towards zero liquid discharge, there is a high demand for solutions for recycling and reuse of waste water produced. Lenntech provides sustainable and complete solutions for water and waste water treatment for industrial water considering a wide range of technologies and strategies.

    By Lenntech Water Treatment based in Delfgauw, NETHERLANDS.

  • Industrial Solution for incineration & thermal treatment

    Waste incineration, including solid municipal and hazardous waste, biomedical waste and hazardous liquid are all continually under more stringent scrutiny by regulators. Macrotek has designed and supplied many integrated systems to meet most guidelines. In several installations, hazardous waste has been combined with radioactive waste, requiring nearly non-detectable emission levels for many of the contaminants. Macrotek has installed and tested systems for these processes with the results significantly better than required standards.

    By Macrotek Inc. based in Markham, ONTARIO (CANADA).

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