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Besides primary measures, Selective Catalytic Reduction (SCR) is the most effective method for controlling nitrogen oxide emissions (NOx) from combustion sources. It is a commercially proven flue gas treatment technology that has been demonstrated to remove over 98 percent of the NOx contained in combustion system exhaust gas. The catalyst is at the heart of the SCR process. It creates a surface for reacting the NOx and ammonia, and allows for the reaction to occur within typical flue gas temperature ranges.Hamon uses a similar technology to reduce also VOC or CO content.Thorough knowledge in the design of all types of heat recovery systems including heat exchangers made of glass or fluoroplastic tubes to de-saturate the flue gas downstream a wet scrubbing system allows for minimum energy consumption when the flue gas needs to be heated.

Hamon Research-Cottrell provides process and equipment expertise, drawn from more than fifteen years of experience with the patented Urea to Ammonia U2A® technology, starting from bench and pilot scale, through systems for small gas turbine SCR and the largest utility scale SCR systems for coal and gas fired boilers.Hamon Research-Cottrell’s U2A® system provides several benefits:Urea as feedstock eliminates the hazards associated with the transport, transfer and storage of toxic anhydrous or aqueous ammonia.Compared with using 19% aqueous ammonia, energy use is reduced.Process control response provides ammonia on demand, easily following load conditions.Hamon Research-Cottrell offers U2A® on a worldwide basis and has installations in Europe and the Middle East in addition to a large installed base in the United States.

Using standardized material and equip­ment, having a compact design which reduces freight and installation costs, requesting a minimal space envelope, dedicated to the industry, placed as a stand alone or in a modularized assembly, the Hamon Fabric Filter is easy to install and operate. It meets the stringent efficiency requirements mandated by today’s environmental regulations.Products series allow selection for: a wide range of air volumes from 1000 to 45000 m³/h per unit, treat gas from ambient temperature to 200°C, , remove particulates load up to 30 grams/Nm3, ensuring emission efficiency up to 5 mg/Nm3

The Hybrid Collector is the combination of an Electrostatic Precipitator (ESP) with a Hamon Fabric Filter with suitable air to cloth ratio. In a Hybrid Collector, the fabric filter is located either downstream of the ESP or within the casing of the existing ESP by replacing one or more fields of collecting plates with the fabric filter modules. The Hybrid collector can help bring particulate emissions into compliance due to the fabric filter collecting higher levels of particulate, and finer particulate, than an ESP of an equivalent footprint

Selective Non-Catalytic Reduction is a post-combustion technology that is designed to control nitrogen oxides (NOx) emissions from boilers by the injection of ammonia or urea reagents into the flue gas.Hamon Research-Cottrell is licensed by Exxon Mobil for the application of ammonia based Thermal DeNox™ (TDN).