ANDRITZ Air Pollution Control

Graz, 
Austria
  • Booth: G14


 Products

  • Air pollution control
    It is our mission to reduce air-borne pollutants from power plants, the
    cement industry, biomass plants, and other industrial applications — and safely dispose of them....

  • ANDRITZ provides innovative air pollution control technologies, including wet flue gas cleaning, dry flue gas cleaning, DeNOx plants, Seawater FGD and combined or multi-stage systems.

    Our product range combines long-term experience with the specific knowledge gained from hundreds of installations around the world. ANDRITZ air pollution control is the reliable partner for flue gas cleaning technologies within the ANDRITZ GROUP.

    Our products range from flue gas scrubbers for power stations to complex flue gas cleaning systems for Energy-from-Waste plants. Thanks to a wide product portfolio, innovativeness in engineering and long experience in executing projects, ANDRITZ has the right solution to meet all environmental and financial goals.

    Maintaining the energy efficiency of your processes, complying with the strictest licensing procedures, and developing tailor-made solutions for your plant are the cornerstones of ANDRITZ's approach.

    We offer air pollution control technology for

    • Power stations

    • Energy-from-Waste plants

    • Biomass plants

    • Industrial plants

    • Shipping/maritime industry

      ANDRITZ air pollution control products meet the requirements for complying with the world’s strictest emissions legislation, the desire for low consumption of additives, the need for minimal residues, and the installation simplicity of a compact design. Quite often, our systems are delivered turnkey to ensure single-source accountability and efficiency.

      Cutting-edge engineering tools and global R&D collaboration with a network of recognized partners and universities lay the foundation for our work. Early identification of each client’s needs help ANDRITZ make a long-term contribution to clean air and a clean environment.

  • Flue gas desulphurization systems
    Several design options are available to choose from depending on the upstream processes and potential pollutants to be filtered out, including tailored solutions for industrial applications....

  • Wet limestone flue gas desulphurization

    ANDRITZ offers wet limestone flue gas desulphurization (WFGD) scrubbers with high reliability and availability based on a wellknown principle of washing flue gas with a limestone slurry and generating gypsum as a saleable end product. We have enhanced this basic process and now offer the most advanced scrubbing technology (FGDplus).

    Power station applications

    • Wet limestone flue gas desulphurization (WFGD)
    • FGDplus
    • Mercury removal
    • Seawater FGD
    • CO2 absorption

    Industrial applications (including waste-to-energy and biomass plants)

    • Wet flue gas cleaning (calcium and NaOH based)
    • Multi-stage scrubber
    • Combined systems

    Dry flue gas cleaning

    ANDRITZ dry flue gas scrubbing processes are based on circulating fluidized bed technology and offer an ideal solution for flue gas cleaning downstream of conventional thermal power stations, biomass incineration plants, RDF-fired boilers (Refuse Derived Fuels), or waste-to-energy plants and other industrial applications.

    Power station applications

    • Dry sorption
    • Turbo-CDS/TurboSorp
    • Mercury removal
    • Particulate removal

    Industrial applications (including waste-to-energy and biomass plants)

    • Dry sorption
    • TurboSorp
    • Particulate control
  • Seawater Flue Gas Desulphurization (FGD)
    ANDRITZ has developed the seawater FGD process by taking full advantage of the
    cooling water circuit downstream of the condenser of power plants in coastal areas....

  • Ideal solution for coastal plant

    ANDRITZ´s seawater FGD system is able to work without additional absorbent, and there are no by-products or waste created that need further treatment or disposal. Raw flue gas enters the scrubber and is cleaned in counter-current by seawater. The principle applied here is similar to the limestone process. Depending on the application, ANDRITZ offers an FGD scrubber based on the well proven open spray tower technology, combined with an FGDplus system. In addition, ANDRITZ also has experience with a packed tower design for seawater FGD systems. These systems are beneficial in optimizing the plant’s footprint and efficiency at high SO2 inlet concentrations.

    Wise principle

    The principle of our process is to make use of the natural alkalinity of seawater instead of using limestone solution to absorb acidic substances in the flue gas. The SO2 is first converted into sulphite. Then the sulphite is oxidated to form sulphate in the CFD-optimized aeration basin in order to maintain the pH, raise the DO (dissolved oxygen), and reduce the COD (Chemical Oxygen Demand). In the meantime, CO2 formed by the neutralization reaction is stripped by aeration membranes, and the pH value is increased consequently to meet legal requirements.

    Flexible arrangement

    ANDRITZ is able to provide customized seawater FGD design and planning to suit the general power plant arrangement.


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