Automotive: Industry outline

The automotive industry is one of the largest and most important industries in the world. Around 80 million vehicles are produced worldwide every year. An important factor for the global success of the automotive industry is its innovation leadership. According to the industry association VDA, German automotive companies alone will invest more than 220 billion euros in research and development in the period from 2022 to 2026. The positive consequences of the continuous further development of products and processes in the form of energy optimization, quality improvement and unit cost reduction are noticeable for example in the paint shop sector.


Envirotec Industry solution 

 Envirotec offers solutions in the field of planning and realization of painting systems for the automotive industry. Painting processes in the automotive industry are generally based on solvent-based paints. In the downstream drying process, incineration systems are used for exhaust air purification, in which the thermal energy from the purified exhaust air is used to heat the drying systems. This ensures optimum utilization of the energy used.

Benefit from our many years of experience with industrial processes and design your tailor-made concept with us - from the initial engineering study to the implementation of your system, we offer innovative solutions.

Typical pollutants

When the surface coating/paint dries, mainly aliphatic and aromatic hydrocarbons are released, which are then cleaned in the integrated post-combustion system.

Typical technical challenges

The systems are integrated directly into the painting systems so that the thermal energy can be fed directly back into the process. The systems must be suitable for additional heat extraction so that the drying system can be preheated quickly. Due to the direct integration and the legal requirements, the exhaust air purification system needs to have a high level of availability, as otherwise continuous production cannot be guaranteed.

Typical solutions

The following system concepts are available to meet these high process-related requirements:

  • For paint booths with high exhaust air volumes and low pollutant concentrations, adsorption wheels are used in conjunction with recuperative (TNV) or regenerative exhaust air purification (RTO).
  • Recuperative exhaust air purification systems with a hot bypass are used for direct integration into the drying process and for heating the drying system.

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