Which solvent streams occur in a paint shop?

Automated paint and colour-change processes generate contaminated purge solvent, cleaning solvent and thinner containing paint components and other contaminants. Their composition and variation depend on paint system, robot programme and production schedule.

  • Purge solvent from paint robots and colour-change systems
  • Cleaning solvent from paint supply equipment
  • Mixed thinner streams from defined production areas
  • Material-specific streams from OEM and Tier 1 paint shops

How is a fully integrated Closed Loop created?

The actual solvent is first trial-distilled and the required quality is validated with the customer. The SLD is then connected to tanks, piping, controls, ventilation and the site's safety systems.

During operation, contaminated solvent is recovered automatically and the distillate returns directly to the validated point of use. Regular samples and process data monitor stability; separate handling between recovery and reuse is eliminated.

Can the distillate be reused in the paint shop?

Yes. Direct reuse is not an optional secondary scenario at current Batsch installations; it is a prerequisite for the project. All current customers return the recovered solvent directly to their process after initial validation.

What must be considered when integrating the system?

  • Actual daily and monthly solvent quantities
  • Tank and piping concept
  • Connection to production control, ventilation and fire alarm systems
  • ATEX and site-specific safety requirements
  • Sampling and release procedure
  • Remote access and operational responsibilities

Which automotive applications does Batsch cover?

Publicly stated Batsch applications range from painting truck axles to luxury vehicle bodies. Customer names and confidential project data are not published without explicit approval.

Direct answers

Frequently asked questions

Can recovered purge solvent be used again for paint robots?

Yes. All current Batsch customers return the validated distillate directly to production. Direct reuse is a prerequisite for installing the system.

Does the customer have to operate the SLD?

Under the operating model, Batsch assumes the agreed technical operation, monitoring and service responsibilities.

Can a paint shop reduce solvent waste?

Recovery concentrates non-volatile contamination into residue and returns the distillate to use. The project-specific waste reduction must be calculated from actual mass data.

Technical basis

Practical expertise and sources

The technical information on this page is based on Batsch system and project data as well as actual trial distillations. Values are always stated in their application context; confidential customer and project data remain protected.