Parallel pressure reactors - PPR

Reactor volume: 50 ml to 300 ml
Number of reactors: 2 to 6
Pressure: -1.0 (FV) to +100 bar
Temperature: -20°C to +300 °C
Material: stainless-steel / Hastelloy® / Tantalum / PTFE inliner
Other setups are available.

The PPR parallel pressure reactor system is configurable and modular, allowing for individual or parallel operation settings of each reactor. 2 to 6 pressurized reaction vessels in its individual heating/cooling blocks can be controlled in the PPR system. The system is expandable, starting at 2 reactors. This reactor system uses automated process control enabling fast process development and parallel reaction screening in a reproducible and safe manner.

The PPR software is simple to use. On the graphic display, each process step can be followed. It complies with GxP standards and data can be exported. Multiple safety elements ensure those process procedures are carried out safely. Depending on the supplied hardware, the operation mode can range from manual to totally automated. Control parameters are reaction pressure, temperature, gas, liquid flow, gas consumption, stirrer speed and safety limits.

Common Applications:
Hydrogenation, catalyst testing/screening, process development, scale-up studies, carbonylation by CO/carboxylation by CO2, decarboxylation, Friedel-Crafts-Acylation, various gas reactions at constant flow (CO, CO2, ethene, O2, NO) and ethoxylation, design of experiment (DoE), quality by design (QbD). 

Operation Modes:

  • Manual – software is in charge of controlling the reactor hardware as well as logging process data.
  • Automated – low to high degree (full process automation including dosing of gas and liquids). A recipe editor is available in the software to update old settings and design completely new procedures for complete automation. Multiple safety features guarantee safe hydrogenations and further processes

Modular Hardware

  • 2 to 6 reactors PPR systems are available
  • Individual or parallel operation settings for each reactor (temperature, further parameters)
  • Configurable hardware: from basic to complete setup, including dosing
  • Automated sampling

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Software - Process Setting & Control Overview

Available Single Automation Steps:

  • Inert gas purging
  • Leakage control
  • Gas purging (nitrogen / active gas)
  • Reaction control mode constant-flow
  • Reaction control mode constant reaction pressure

End Criteria to Stop a Hydrogenation:

  • Total gas consumption
  • Minimal gas flow
  • Time over event controlled

Automated Sampling:

  • Contamination free
  • Up to 4 samples of each reactor
  • Automated (recipe) or manually controlled
  • Sampling shown live in graphic display