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A product from: RATH Filtration GmbH

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FILTRATH® CAT - CATALYTIC ACTIVE FILTER ELEMENTS

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Hall 5 / 5-130

Product description

Exhibitor Profile

Floor Plan

Filtrath® CAT are vacuum-formed, rigid filter elements developed for simultaneous removal of dust, NOx, volatile organic compounds and dioxins from hot off-gases.

The catalytic filter elements are made of high temperature wool with embedded catalysts. FILTRATH® CAT unites multiple functions in a single monolithic tube and offers significant advantages:

high flexibility and adaptability to operating conditions
high gas cleaning efficiency
smaller footprint and simplified process set-up

Adaptability to Operating Temperature =

customized solutions

FILTRATH® CAT is suitable for temperatures 250°C to 400 °C. In order to achieve the best catalytic performance the catalyst embedded in the pores of the wall of the filter element is adapted

to the given operating conditions.

RATH Filtration GmbH

RATH Filtration GmbH is a wholly-owned subsidiary of RATH AG, a long-established and globally-active technology leader in the supply of specialist refractory materials, with headquarters in Vienna, Austria.

Solution Provider - Hot Gas Filtration

RATH Filtration GmbH is a solution provider in the field of industrial air pollution control (APC). RATH offers tailored engineering solutions for hot gas filtration (HGF) applications based around its class-leading, portfolio of rigid, low density, FILTRATH® ceramic candle filter (CF) elements.

FILTRATH® & FILTRATH®CAT

Combining skills and manufacturing expertise with high temperature insulation wools (HTIW) and vacuum forming techniques developed for the refractory industry, RATH has developed an extensive range of FILTRATH®CAT catalytic and FILTRATH® non-catalytic hot gas filter elements. These form the core of APC systems used to control hot gas emissions from a broad range of industrial applications.

RATH extends Hot Gas Filtration

FILTRATH® & FILTRATH®CAT filter elements from RATH are now available in a broad range of standard flange designs, diameters and class-leading extended lengths up to 4,500 mm (single piece) or 6,000 mm (multi-piece). Customised solutions (configurations) are also available on request.

Flexibility in Three Dimensions – Compliance, Protection, Recovery

FILTRATH® & FILTRATH®CAT hot gas filter elements from RATH are designed to:

Ensure compliance with the most stringent exhaust emissions regulations (e.g. EU-IED, EU-WID).
Enhance system effectiveness /durability by protecting downstream equipment (e.g. HX, turbines).
Enable recovery of valuable process waste materials entrained in the exhaust stream (e.g. catalysts)

FILTRATH® - DeDust : Control of Dust/Particulate Matter (PM)-

Built into an emission control system and used in conjunction with a reverse pulse air cleaning system, FILTRATH® filter elements are highly-effective in controlling emissions of PM (< 2mg/Nm3) for hot gas temperatures applications in the range 250-1,000°C (i.e. well above the maximum operating range for fabric filter media and well below the achievable emissions levels for non-barrier filters).

FILTRATH® - DeSOx, DeDust: Control of Acid Gases (SO2, HCl, HF) & PM

Used in conjunction with dry sorbent injection (DRI) (e.g. sodium bicarbonate, hydrated lime) FILTRATH® elements from RATH enable highly-effective (>98%) control of acid gas components (e.g. SO2, HCL, HF) as well as PM. Alternatively, used with upstream injection of powdered activated carbon (PAC), FILTRATH® CF elements are also highly-effective in controlling emissions of mercury.

FILTRATH®CAT - DeNOx, DeDust : Control Oxides of Nitrogen (NO, NO2) & PM

Performance can be further enhanced with the introduction of a SCR-coated filter element, FILTRATH®CAT. When used in conjunction with upstream injection of an ammonia-based reductant (e.g. aqueous ammonia, urea) FILTRATH® CAT enables highly-effective (>95%) control of NOx emissions as well as PM for temperatures up to 420°C. Operating above the DeNovo synthesis temperature also means FILTRATH®CAT elements are highly-effective in the control of emissions of dioxins and furans (PCDD/F)

FILTRATH®CAT - DeDust, DeSOx, DeNOx: “3-in-1” Multi-pollutant Control

By combining the above RATH technology developments - sorbent/reductant injection with extended length FILTRATH®CAT elements – highly-effective “3-in-1” multi-pollutant (DeDust, DeSOx, DeNOx) can be achieved with a single system, eliminating process interfaces, reducing the overall footprint and saving space, hence offering the potential for significant OPEX and CAPEX savings.