Lesni A/S

LESNI A/S specialises in providing standard technology packages and innovative solutions for waste air purification. Our target is to remove and deplete irritating odour emissions, toxic gases, solvents, dust and aggressive gases. For the past 29 years, we have designed, supplied and installed more than 1000 air purification plants worldwide. These high-tech installations cover a wide spectrum of air volumes ranging from 50 m³/h to 400,000 m³/h. We provide an extensive range of services, including: Front end design studies, manufacture and supply of purification solutions for waste gas, volatile organic and odour emissions. Thermal and catalytic and regenerative oxidisers, which safely and effectively destroy waste off gases from a diverse range of production processes worldwide.

Company details

Kornmarken 7 , Billund , DK - 7190 Denmark

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Business Type:
Industry Type:
Air Filtration
Market Focus:
Globally (various continents)
Year Founded:
$1,000,000 US - $10,000,000 US

We design, supply and install customer specified plants and systems for demanding industrial sectors. LESNI purifies the air of irritating odour emissions, toxic gases, solvents, dust and aggressive agents.

LESNI tailor made systems are designed and engineered with customer specification in mind, to meet local and international legislations and standards with great emphasis to safety, reliability and energy conservation.

Solutions for waste gas and air exhaust, treating toxic gases, such as ammonia and acid fumes and many other toxic gas releases. Solutions for special halogenated, VOC abatement and odour control including chemcial gas scrubbing.

Adsorption on activated carbon and recovery of solvents. Rotating and fixed VOC concentrators. DeNOx plants. Soot abatement. Abatement of Ethylene Oxide from filling stations and sterilisation of medical devices. Abatement of controlled substances (CFC, HCFC, HFC and other ODS) from fridge recycling plants. Fat and odour control from meat rendering, sludge drying and waste water treatment plants.