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Waste air treatment

Waste air treatment encompasses a set of technological solutions aimed at reducing or eliminating harmful gases generated during industrial processes. The goal of these systems is to protect the environment and ensure compliance with legislative regulations on gas emissions.

What does waste air treatment represent?

Waste air treatment involves the application of specialized technologies for purifying gases contaminated with solvent vapors, organic and inorganic compounds, or other harmful substances. Oxidizers, adsorbers, incineration systems, and concentrators are most commonly used in industry, all depending on the composition and concentration of pollutants. Effective air treatment enables the reduction of VOC (volatile organic compound) emissions, compliance with European directives such as 1999/13/EC and the IPPC Directive, and minimizes the impact on employee health and the environment. By applying the Best Available Techniques (BAT), air treatment systems ensure a high degree of air purification and long-term sustainability.

Technologies We Apply

We implement complete solutions for waste air treatment, including regenerative and recuperative thermal oxidizers, catalytic oxidizers, incineration systems, zeolite concentrators, and VOC adsorption plants. Our approach enables the selection of the optimal system depending on the pollution composition, plant operating conditions, and client requirements. All technologies are designed on a turnkey basis, with full support throughout design, installation, and commissioning.

Waste air treatment for industry

Pharmaceutical Industry

Removal of vapors from tablet coating and active substance synthesis processes.

Chemical Industry

Control of VOC and chlorine emissions from reactors and chemical storage.

Graphic and Printing Industry

Reduction of solvent vapors used in printing processes such as flexographic (flexo) printing and rotary screen printing.

Paint Shops

Reduction of solvent vapors used in painting and drying processes.

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Regulatory Framework and the Importance of Waste Air Treatment

Industrial gas emissions are subject to strict EU regulations, especially regarding the emission of volatile organic compounds (VOCs). Directive 1999/13/EC, as well as the IPPC Directive, require for both new and existing plants to implement technologies to reduce emissions. The goal is to preserve air quality and minimize the negative impact on human health and the environment. Plants must apply Best Available Techniques (BAT), which then are documented in BAT reference documents (BREFs) and monitored through the European Pollutant Release and Transfer Register (E-PRTR).

Waste Heat Recovery

Waste heat generated in thermal oxidation processes can be efficiently utilized for technological processes in the treated industry, resulting in reduced CO₂ emissions and improved overall system sustainability.

Our Technologies and Solution Advantages

Altera offers complete turnkey solutions for waste air treatment. All solutions are modular, adaptable to the specific conditions of the plant, and compliant with European standards. Implementation includes process analysis, design, installation, commissioning, and operating staff training, ensuring long-term reliability and operational safety.

The most frequently asked questions about
waste air treatment

Has Altera implemented waste air treatment systems?

Yes, We implemented one of the most advanced systems in the country, which also uses an absorption chiller to cool the production area.

What is the difference between a regenerative and a recuperative oxidizer?

A regenerative oxidizer uses a ceramic media for heat recovery, enabling higher energy efficiency, while a recuperative oxidizer uses a heat exchanger and is recommended for lower VOC concentrations.

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