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COPLAS clean
Cold plasma technology
COPLAS clean is our non-thermal plasma technology for industrial odour reduction. Odours are eliminated for good without any chemicals, water or waste. Our patented plasma reactors produce reactive oxygen and OH radicals, which are then injected into the exhaust air. The highlight: The odour molecules are oxidized in milliseconds by the non-thermal plasma technology – without direct contact with the system.

Advantages for you
- Maximum odour reduction – rapid oxidation through radical reactivity
- Sustainability – without the use of water or chemicals, and no waste is generated
- Low maintenance – no system contamination thanks to the injection principle
- Modular design – flexible and easy to install
- Energy efficiency – low operating costs and flexible plasma performance in 1% intervals, for example for varying process conditions

Features
- Takes up little space
- No pressure drop in the exhaust duct
- Reverse current protection through automatic back stream flaps
- Start-stop system – no start-up times
- Adjusting plasma performance in 1% increments
- Patented plasma reactors with Venturi effect for maximum radical yield
Markets
- Tire / Rubber
Riedel Filtertechnik offers a wide range of standardized and individual solutions for process exhaust in tire production - from dust extraction to the reduction of odour emissions. With our specifically designed dust extraction systems, we fall well below the limit values of 10 mg/m³. The typical rubber odour? Eliminated by our COPLAS clean system in an energy-efficient and reliable way - making tire production more sustainable than with conventional technologies.
- Tobacco
We have been an innovative partner to the tobacco industry for over 50 years. As a system supplier of exhaust air cleaning and odour reduction systems, we are established worldwide in the field of cigarette manufacturing. With our pneumatic transport systems, central vacuum cleaning systems and machine cleaning systems, we pursue our main goals: Environmental protection, energy efficiency and increasing the tobacco yield in the tobacco industry. We improve the Primary and Secondary sectors with effective and patented technologies.
- Pet food
There are numerous process steps in the production of pet food - be it extrusion, drying, cooling, machine extraction or even the cooking process for wet food. During the processing of wet and dry pet food, dusts and odorous substances are released into the exhaust air, which can strongly pollute the environment. Riedel Filtertechnik offers a wide product portfolio with individual solutions for pet food production. From dust extraction and dedusting of conveyors, extruders as well as dryers to the reduction of odour emissions, everything is covered.
- Fish food / Fish meal
- Compound feed
In compound feed production, odour-intensive substances are often added depending on the recipe. As a consequence, odour emissions are produced which can pollute the environment. The grinding of fine, dry ingredients and the pelleting process also generate dust emissions, which we control with our filter systems. To reduce odours, we use our COPLAS clean technology, which uses neither water nor chemicals for sustainable production and generates no waste products.
- Food
Cereals, oil or milk powder - food production is characterized solely by the variety of food products. Numerous process steps, such as extrusion, drying, cooling or product packaging, are run through for their production. The result: dust or strong-smelling odor emissions that are inevitably released into the environment and are subject to strict limits. In order to be able to comply with these, we offer a wide range of products in the field of dust removal through to the reduction of odour emissions.
- Glass recycling
- Animal carcass disposal
