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waste energy recovery Applications

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    Waste recovery for energy & utilities

    In order to stay competitive and to be seen as being environmentally responsible, energy and utility companies are always looking for alternative routes to generate power. One method of doing this is by leveraging waste to energy incineration plants linked to the processing municipal solid waste. During this incineration process, APC residues, which are a mixture of fly ash, organic pollutants (including dioxins and furans), are generated and are classified as hazardous waste and have a detrimental environmental impact. This fly ash is subject to Air Pollution Control as it is contaminated with extremely high concentrations of heavy metals and toxic compounds like dioxins, linked to cancer and other health problems. Tetronics offers valuable waste recovery plants that can eliminate the hazardous element within the fly ash while generating an inert building aggregate with the remaining material.

    By Tetronics (International) Limited based in Swindon, UNITED KINGDOM.

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    Waste recovery for nuclear wastes

    Nuclear waste is divided into low, medium, and high‐level waste by the amount of radiological character it contains. Low and Intermediate Level Nuclear waste is the radioactive waste resulting from nuclear facility consumables, clothing, laboratory equipment etc. This waste can adversely affect human health and the environment and therefore must be handled appropriately. Typically, the waste is kept underwater for 3-5 years until the radiation decays to levels that can be shielded by concrete in large storage casks, where it can be held for thousands of years. A challenge for the nuclear industry is the cost associated with conditioning, packaging and storage of these heterogeneous wastes. Therefore, a solution that can decrease the volume of nuclear waste, and reduce the amount of storage required, is considered a commercially advantageous option.

    By Tetronics (International) Limited based in Swindon, UNITED KINGDOM.

  • Biogas recovery for waste to energy industries

    HydroThane BSP technology is the best method for H2S removal combining deep H2S removal, a very high reliability and availability, and low lifecycle costs. The clean biogas can be used to produce electricity or to replace natural gas in a boiler.

    By HydroThane STP BV based in KC `s Hertogenbosch, NETHERLANDS.

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    Waste recovery for organic wastes e.g. PCBs & Dioxins

    Tetronics` technology destroys organic wastes including Polychlorinated Biphenyls (PCBs) and other types of Persistent, Bio‐accumulative, and Toxic (PBT) pollutants at very high efficiencies across a wide range of concentrations.

    By Tetronics (International) Limited based in Swindon, UNITED KINGDOM.

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    Air pollution control for the energy recovery industry

    Rising fuel and electric costs, along with global warming concerns have changed the way industrial facilities regard energy consumption. Process equipment and air pollution control systems installed several years ago may not reflect the new energy conscious designs available today. We recommend analyzing these systems periodically to determine energy reduction opportunities. Recovering waste heat is one of the easiest and most utilized means of reducing energy demands at industrial facilities.

    By Anguil Environmental Systems, Inc. based in Milwaukee, WISCONSIN (USA).

  • Biogas to Elecricity

    The range of supply of biogas to electricity solutions is from 10 kW to 1 MW. All the components of the solution are provided with matching capacities. It comprises the biogas digester system of the desired capacity, gas storage, biogas cleaning system to get rid of H2S from the gas, and the biogas genset. In the digester system, one may have a pre-digester or a feed mixing chamber or both. On the post-digester side, liquid from the slurry is separated and is recycled for feed preparation. It reduces the overall fresh water demand of the scheme. The digester itself may be temperature controlled and the input for the same could be given from heat recovery of the genset or from a solar heating system or from any other heat source as the case may be.

    By Kirloskar Integrated Technologies Limited based in Kothrud, INDIA.

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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.

    By De Nora Water Technologies based in Colmar, PENNSYLVANIA (USA).

  • Material handling equipment for utilities industry

    Electric Power Generation, Fossil Fuel Electric Power Generation, Biomass, Alternative Fuels, Sewage Treatment Facilities, Waste Management and Remediation Services, Waste Treatment and Disposal, Solid Waste Combustors and Incinerators, Remediation Services, Materials Recovery, Facilities Waste Treatment and Disposal, Solid Waste Combustors and Incinerators, Remediation Services.

    By TerraSource Global based in St. Louis, MISSOURI (USA).

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    Applications and Air Pollutants Removed in the Energy (Power) Industry

    Wet scrubbers and Wet electrostatic precipitators for removal of sulfur dioxide and trioxide, ash particulate, NOx and mercury from coal fired boilers. Sulfur dioxide, NOx and particulate from oil fired boilers and diesel engines. Ash particulate from Biomass boilers including Bagasse type. Complete scrubber systems for sulfur dioxide removal using lime, limestone to gypsum quality and all sodium, magnesium and potassium chemistry scrubbing solutions including ammonia for ammonium sulfate production. For gypsum production, complete air sparging oxidation systems are incorporated in the scrubbers along with all needed auxiliary equipment. Waste Heat Recovery options with Q-Sense direct contact heat exchanger technology.  

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

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    Hazardous waste treatment solutions for oil and gas industry

    There are a wide amount of applications for our VacuDry® process within the oil and gas industry. A large variety of wastes and by-products that are generated in the oil & gas production chain can be treated effectively and sustainably. In past decades, numerous thermal desorption processes have been implemented worldwide, using a variety of heating chamber designs to separate hydrocarbons from the mineral solids. Such standard TDUs work under atmospheric pressure which can lead to safety risks, high energy consumption, larger emissions and limited flexibility regarding altering feed materials. Due to its unique design, the complications outlined above are avoided throughout the VacuDry® process. When it comes to treating standard oily wastes, mercury-containing waste streams, NORM, and especially for the recovery of highly valuable drilling fluids from drill cuttings; our vacuum thermal desorption process (i.e. vacuum distillation) is economically unbeatable.

    By econ industries GmbH based in Starnberg, GERMANY.

  • Energy and Fuels from Auto Shredder Residue (ASR)

    End of life vehicle processing recovers valuable recyclates and removes for recovery all pollutants from automobiles. After this process, the remaining vehicle is shredded for further treatment into smaller parts called Auto Shredder Residue (ASR) sometimes referred to as Auto Shredder Fluff or Car Fluff. ASR contains a mixture of all the different materials that make up the automobile, including metals, plastics, rubbers and textiles. This mixture of materials makes ASR a difficult waste to handle and potentially harmful to the environment. The Gasplasma® energy from waste process breaks down the ASR: Organic materials are transformed into a hydrogen-rich synthesis gas which is used to generate power / Inorganic materials are vitrified to become Plasmarok® /Any remaining ferrous and non-ferrous metals are recovered

    By Advanced Plasma Power (APP) based in Swindon, UNITED KINGDOM.

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    Coating and Laminating

    MEGTEC’s experience and application know-how are at your command for tough drying and web handling applications such as slow-drying coatings and materials or thin film coating and laminating. Dryers can be equipped with a wide variety of nozzle configurations ranging from simple slot nozzles to sophisticated Coanda-style air bars and patented air foil systems. A full range of heat sources are available including steam, direct and indirect gas-fired, thermal oil, electric, hot water and IR. In addition, the air handling systems can be integrated into the dryer enclosure or stand-alone for remote installation. When the process requires pollution control systems for solvent-based applications, MEGTEC also offers regenerative thermal oxidizers, solvent recovery, distillation and purification systems. MEGTEC also offers waste heat recovery packages to “close the energy loop” between pollution controls and the process, in order to reduce production costs and increase customer profits

    By Babcock & Wilcox MEGTEC based in De Pere, WISCONSIN (USA).

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    Industrial Solution for gasification & synthetic gas

    Gasification and synthetic gas production from various waste products are becoming increasingly important energy recovery technologies. Often, the synthetic gas contains various hazardous contaminants including H2S, HCl and other acids, heavy metals, and tars. The gas requires cleaning before it is introduced in the engine or boiler. Most of these processes generate significant concentration of tars. The tars can vary from very low molecular weight to large and complex chains.

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

  • e-scrap recycling System

    PCB Boards and E-scrap Recycling Plant 3.Why buy MINGXIN's E waste(PCB) Recycling plant ? Get the metal separated from waste circuit board through crushing and air separation process. No incineration and pollution. compliance with EHS standard, no harmfulness to workers, eco-friendly solution for E waste recycling. The plant has 5 advantages: A. The coarse crush can grind baseplate and separate electronic component.. B. National Environment Protection Standard achieved. No dust leak and no secondary pollution . C. Low energy consumption but high production. D. High metal recovery rate which reaches 97%-99%. Metal content in on-metal powder is less than 1%. E. Patent number: ZL02247015.8

    By Jiangxi Mingxin Metallurgy Equipment Co.,Ltd. based in Shicheng County, CHINA.

  • Real-time In-situ Effluent Monitoring

    The UviLux BOD Indicator enables in-situ, real-time, reporting of BOD within both natural water systems and water processing plants. The monitor detects fluorescent proteins that are inherent within sewage and slurry and provides an output in BOD equivalent units. The principle behind the measurement is the excitation of Tryptophan-like fluorescence within UV wavelength band, which has been shown to correlate with both BOD and bacterial contamination. With complete flexibility of deployment methodology, the UviLux BOD Indicator can be applied to both water supply and water recovery processing plants. For water supply processing, the UviLux BOD Indicator can be applied at the front end to the water intake to provide alarm of any contaminated water entering the plant. Applications within Waste Water Treatment Works can include monitoring of effluent levels at the final outflow point (into rivers and coastal areas) as well as the primary, secondary & tertiary stages, the data potentially feeding into energy saving systems to optimise process performances. The CTG UviLux BOD Indicator in-situ fluorometer can also be used within pipe and channel networks to test for incidences of black water and grey water cross-over.

    By Chelsea Technologies Group based in West Molesey, UNITED KINGDOM.

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