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Technical knowledge library

Knowledge about industrial
solvent recycling.

Industrial solvent recycling is the recovery of contaminated solvent so that it can be reused in production after an initial quality validation. Batsch focuses on vacuum distillation for industrial paint and flushing processes, especially in automotive applications.

This knowledge overview combines definitions, process expertise, Batsch operating data, application limits and the questions industrial operators need to answer before implementation.

Core Batsch knowledge

Six routes into the closed solvent loop.

01

Fundamentals and industrial application

Industrial solvent recycling
clearly explained.

Open technical page →02

Process and SLD technology

Solvent recovery
through vacuum distillation.

Open technical page →03

Automotive paint shop

Solvent recycling
in paint processes.

Open technical page →04

Purge solvent / purge thinner

Recover purge solvent
and reuse it directly.

Open technical page →05

Cost, waste, CO₂ and VOC

Economics and environmental impact
of solvent recovery.

Open technical page →06

Distillation as a Service

Solvent recycling
without purchasing the system.

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Concise definition

How does industrial solvent recycling work?

Contaminated solvent enters the distillation system. Under vacuum, its boiling temperature can be reduced. The solvent evaporates, is condensed and collected as distillate; non-volatile contaminants remain as concentrated residue. Batsch first validates the real material and the required reuse quality. In an integrated installation, the distillate is then returned directly to production in a Closed Loop.

Batsch process data

A value is meaningful only with its application context.

ValueApplication contextTechnical limitation
96 – 98.5% recoveryTwo trial distillations using differently contaminated material from an automotive OEM application.The achievable value must be determined for each actual solvent stream.
Approx. 45 l/hCapacity of the SLD 45 ExV variant; maximum connected load 10 kW.Actual throughput depends on solvent, contamination and operating parameters.
Approx. 100 l/hData-sheet capacity of the SLD 100 ExV; maximum installed power 18.5 kW.This is a model value, not a guarantee for every material.
800 – 10,000 l/dayCurrent Batsch customer range achieved through modular combinations of SLD systems.The figure describes customer applications, not the capacity of one individual system.

Knowledge structure

From process fundamentals to industrial application.

01

Solvent recovery by vacuum distillation

Process principle, boiling behaviour, contaminants, distillate and distillation residue.

  • Industrial solvent recycling
  • Vacuum distillation
  • Suitable solvent streams
02

Automotive paint shops and purge solvent

Recovery and direct reuse of purge solvent in automated paint and colour-change processes.

  • Paint robots
  • Purge solvent / purge thinner
  • Automotive OEM and Tier 1
03

Closed Loop and quality

Initial validation, regular sampling and stable direct return of recovered solvent to production.

  • Recovered solvent quality
  • Solvent reuse
  • Integrated handling
04

Operating model and economics

On-site recovery without purchasing the system, including technical operation, monitoring and service by Batsch.

  • Pay per use
  • Waste reduction
  • Fresh-solvent consumption
05

System design and safety

Modular capacity, site integration, sensor-based dynamic process control and project-specific explosion protection.

  • SLD 45 and SLD 100
  • ATEX
  • System planning

Your material determines the result

Check whether your solvent stream is suitable for recovery.

A trial distillation using your actual material provides the basis for recovery rate, distillate quality and technical system design.

Request a trial distillation