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  6. PPR Parallel Pressure Reactor

PPR Parallel Pressure Reactor

Full description
Reactor volume: 50 ml - 300 ml
Number of Reactors: 2 - 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.

Parallel Pressure Reactor system - PPR


Catalyst screening and Hydrogenations in reduced time, reproducible and safe: These were the key issues for our customer in chemical research, asking us to develop this system.

As a new Buchi product, this system needed to be configurable and modular to serve the different needs of our customers worldwide.

Modular Hardware:
• 2 - 6 Reactors PPR systems are available
• Individual or parallel operation settings for each reactor (temperature, other)
• Configurable hardware: from Basic to complete setup including dosing
• Automated sampling

Operation modes:
• Manual: The software controls the reactor hardware, data logging of process data
• Automated: Low to high degree (full process automation including dosing of gas, liquids)
For full automation, a recipe editor is included in the software to edit existing settings and to define completely new processes.
Multiple safety features guarantee safe hydrogenations and other processes.

Hardware - Pressure Reactors




PPR, 3 pressure reactors in parallel<br/>1 reactor with automated sampling 2 - 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.
• Reactor block with individual heating / cooling
• Lift for Reactor block lifting / lowering
• Individual temperature control
• Reactor with safety fast action closure
• Stirrer drive with powerful magnetic coupling (75 Ncm torque)
• Continuous adjustable agitator speed, 0-2500 rpm
• Safety rupture disc
• Pt100 sensor
• Cover with 6 opening (for Pt100, dip tube, valves, etc.)
• Optional burette, catalyst basket, gassing stirrer, others..
• Optional liquid dosing via balance (at up to 275 bar)
• Optional liquid dosing, SS316 pr PEEK corrosion resistant metering pump, flow rates 0.003 to 40 ml/min

PPR, 3 pressure reactors in parallel
1 reactor with automated sampling

Safety fast action closures, reliable powerful stirrer drive with magnetic coupling Safety fast action closures, reliable powerful stirrer drive with magnetic coupling


Reactor heating / cooling block, installed on lifting device for easy operation Reactor heating / cooling block, installed on lifting device for easy operation

Software - Process setting & control


The PPR software is user-friendly. Every single process step can be followed on the graphic display. It is GxP compliant, data can be exported. Multiple safety features guarantee safe process procedures. Operation mode can be chosen from manually to fully automated, depending on installed hardware.

Control parameters are: Reaction pressure / temperature, gas / liquid flow, gas consumption, stirrer speed, safety limits.

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
• Many more.

End criteria to stop a hydrogenation:
• Total gas consumption
• Minimal gas flow
• Time over event controlled

Individual chart for each reactor, showing actual gas - flow (nL/min), Gas consumption, process temperature, pressure, rpm, feed Individual chart for each reactor, showing actual gas - flow (nL/min), Gas consumption, process temperature, pressure, rpm, feed



Setting up recipes: drag & drop editor, recipe modification Setting up recipes: drag & drop editor, recipe modification "on the fly", functions as if..then...else logic, loop, jump back to phase..

Options - automated sampling



Automated sampling Automated sampling:
• contamination free
• up to 4 samples of each reactor
• automated (recipe) or manually controlled
• sampling shown live in graphic display


graphic display graphic display

Chemical reactions, applications


• Hydrogenations in parallel
• Catalyst testing in parallel
• Process development, scale up studies
• Carbonylation by CO / Carboxylation by CO2
• Decarboxylation
• Friedel-Crafts_Acylation
• Ethoxylatons (optional)
• General gas reactions at constant flow (CO, CO2, Ehtylen, O2, NO)
• Design of experiment (DoE)
• Quality by Design (QbD)
Product specification
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To get information about: «PPR Parallel Pressure Reactor » contact us by phone (044) 229 15 31 or fill in the form.
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