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Exhaust air purification for drying processes after painting and coating

Reliable neutralization of VOCs with UV ozone systems from oxytec – energy-efficient, retrofittable, approval-safe

Afterpainting, coatingorbondingworkpieces are driedin tunnels, chambers or ovens. Large quantities ofsolventsand volatile organic compounds (VOCs) frompaints,varnishes,primersoradhesivesevaporate in the process. These pollute the exhaust air considerably, are harmful to health, often flammable (ATEX) and lead to odor problems or licensing requirements.

oxytec offers compact, powerfulUV ozone systemsfor exhaust air purification in dryers – asalternative or supplement to thermal afterburningor activated carbon filters. This enables you to meet all relevant requirements – economically, safely and environmentally friendly.

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Typical emissions from drying processes

__TAG3__Process example __TAG5__

__TAG7__Typical VOCs / emissions __TAG9__

__TAG11__Special features __TAG13__

__TAG21__Xylene,Ethyl acetate, Glycol ether

__TAG33__MEK,Toluene,Acetone __TAG39__

__TAG55__Solvent residuesfrom pre-treatment/painting

__TAG65__VOCs, water vapor, possibly additives

Drying of paints (solvent-based) High VOC load, diffuse outgassing, ATEX-relevant
Drying of adhesives (e.g. PU, acrylic) Odorous, toxic, volatile
UV/radiation drying Acrylates, ozone, photoinitiators Low air volume, high odor effect
Powder coating (chamber exhaust air) High temperature, VOC mixtures
Infrared/hot air dryers Combination of moisture and volatile substances

Why is VOC neutralization in dryer exhaust air so important?

__TAG0__VOCs are harmful to health, flammable and strictly regulated __TAG2____TAG4__

__TAG6__Solvent residuesCan generate explosive atmospheres (ATEX)

__TAG10__Odors lead to complaints and complaints __TAG12____TAG14__

__TAG16__TA Luft, VOC Directive, 31st BImSchVprescribe emission reduction

Drying exhaust air is oftendifficult to treat with activated carbon– too hot, too humid or polluted too quickly
With Oxytec you can clean your exhaust airefficiently and residue-free– even with high loads.

Legal requirements

    __TAG1____TAG3__TA Luft (2021):Limit values for VOCs, organic emissions, odor

    __TAG7____TAG9__31st BImSchV:Obligation to reduce VOCs from 2 t VOC/year

    __TAG13____TAG15__VOC Directive 2010/75/EU:Requirements for diffuse emissions & minimization measures

    __TAG19____TAG21__ATEX requirements:for flammable solvents in heated exhaust air

    __TAG25____TAG27__GIRL (Odor Immission Directive):for installations close to residential areas

Oxytec suppliesapprovable, measurable and permanently effective solutions.

Request advice now – for clean dryer exhaust air after painting

You want to neutralize VOCs safely and efficiently – without TNV, without complex filter technology?

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oxytec technologies for dryer exhaust air

UV ozone systems

Decompose VOCs, aldehydes and odorous substances by photochemical reaction with UV-C radiation and activated ozone.

__TAG2__Areas of application: __TAG4____TAG6__

  • Convection and infrared dryers
  • Paint and adhesive drying (sheet metal, wood, plastic)
  • Tunnel and chamber ovens
  • Flexo, gravure and offset printing dryers
  • Decor, laminate and film coating

__TAG20__Advantages: __TAG22____TAG24__

    __TAG27____TAG29__No gas consumption, no open flame __TAG31____TAG33__

    __TAG35____TAG37__Effective against many VOCs & odors at the same time __TAG39____TAG41__

    __TAG43____TAG45__Compact and retrofittable – even during operation __TAG47____TAG49__

    __TAG51____TAG53__No CO __TAG55__₂ __TAG57__-emissions through combustion __TAG59____TAG61__

    __TAG63____TAG65__Optionally combinable with activated carbon post-stage __TAG67____TAG69__

The technical solution from oxytec

Can be used in many industries

__TAG0__Metal processing(vehicle parts, machine components)

__TAG4__Wood & furniture industry(panels, edges, fronts)

__TAG8__Plastics processing(household goods, foils, displays)

__TAG12__Printing & packaging industry(lamination, flexo, gravure printing)

__TAG16__Electronics & glass(displays, printed circuit boards, glass decoration)

__TAG20__Laminate, paper, labels(coating, embossing, lacquers)

Your advantages with oxytec

Effective VOC neutralization without thermal combustion

Low maintenance, compact, energy efficient

Ideal for existing systems – retrofittable & scalable

No influence on drying process or product quality

Support with approvals, expert opinions & subsidies


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Simply put your question to our AI. They will answer you individually:

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oxytec s.r.o
Revoluční 1082/8
11000 Prague

FON: +42 07 229 084 26
FAX:  +49 40 480 967 72
Mail:  polak@oxytec.cz

Your contact person:
Ing. Jiri Polák

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