EZONE CHEMIST Coiled-Tube Reactor Series
| Brand | EZONE CHEMIST |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model Range | Multiple Configurations Available |
| Pricing | Upon Request |
| Category | Continuous-Flow Tubular Reactor |
| Volume Class | Micro-to-Mini Scale (5–20 mL Hold-up) |
| Construction Material | Fluoropolymer (FEP/PTFE) |
| Tube ID | 0.8 mm / 1.6 mm |
| Operating Temperature | −10 °C to 150 °C |
| Maximum Pressure Rating | 20 bar |
| Optical Transparency | FEP variant only |
| Chemical Resistance | Compatible with concentrated acids, bases, and oxidants |
Overview
The EZONE CHEMIST Coiled-Tube Reactor Series is a precision-engineered continuous-flow tubular reactor system designed for laboratory-scale reaction screening, kinetic profiling, and process intensification studies. Based on the fundamental principle of plug-flow hydrodynamics in narrow-bore fluoropolymer tubing, this reactor enables highly reproducible residence time control, enhanced heat and mass transfer, and minimized axial dispersion—critical attributes for reliable reaction data acquisition under controlled laminar flow conditions. Its coiled geometry facilitates compact benchtop integration while maintaining consistent thermal boundary conditions along the reaction path. Primarily deployed in early-stage synthetic route evaluation, photochemical optimization, and hazardous reaction containment, the system supports both liquid–liquid and gas–liquid heterogeneous transformations without catalyst bed packing or moving parts.
Key Features
- Modular fluoropolymer construction using high-purity FEP (optically transparent) or PTFE (chemically inert, opaque) tubing—certified for compatibility with aggressive reagents including fuming nitric acid, hydrofluoric acid (HF), molten alkalis, and chlorine-based oxidants.
- Pressure-rated design validated to 20 bar at 150 °C, enabling safe operation under elevated conditions typical of hydrogenation, carbonylation, and nitration workflows.
- Standard inner diameters of 0.8 mm and 1.6 mm provide scalable residence time tuning (τ = V̇/Q); combined with fixed hold-up volumes of 5 mL, 10 mL, and 20 mL, users can systematically decouple kinetic effects from transport limitations.
- Coil geometry ensures uniform wall shear and predictable pressure drop profiles—essential for correlating lab-scale data to pilot-scale packed-bed or microchannel reactors.
- Thermally stable across −10 °C to 150 °C; compatible with external heating/cooling jackets, Peltier modules, or cryogenic solvent baths for precise thermal ramping and isothermal hold.
Sample Compatibility & Compliance
The reactor accommodates a broad spectrum of chemistries, including but not limited to photocatalytic C–H activation (via FEP’s UV-transmission window up to 220 nm), ozonolysis, diazotization, and exothermic nitrations. All wetted components comply with USP Class VI and FDA 21 CFR 177.1550 for fluoropolymer contact with pharmaceutical intermediates. While not certified as GMP production equipment, the system meets GLP documentation requirements for raw material traceability, calibration log retention, and procedural SOP alignment—making it suitable for regulatory submission support (e.g., ICH Q5, Q7) when integrated into validated analytical workflows.
Software & Data Management
As a hardware-only platform, the coiled-tube reactor operates independently of proprietary software. It is fully compatible with third-party process control ecosystems—including NI LabVIEW, MATLAB Simulink, and Python-based PID controllers—via analog 4–20 mA or digital RS485 interfaces (optional add-on modules). All pressure, temperature, and flow rate transducers conform to NIST-traceable calibration protocols. Audit trails for instrument setup parameters (e.g., coil length, ID, volumetric flow rate, setpoint history) are maintained externally per ALCOA+ principles, supporting 21 CFR Part 11-compliant electronic record archiving when paired with validated LIMS or ELN platforms.
Applications
- Rapid scoping of reaction scope and functional group tolerance under flow conditions
- Quantitative determination of activation energies via Arrhenius plots across multiple isothermal segments
- Safety-driven substitution of batch nitration or chlorination with confined, low-holdup continuous operation
- Photochemical library synthesis leveraging FEP’s broadband UV transparency (200–400 nm)
- Gas–liquid hydrogenation kinetics using segmented flow with H₂ sparging and inline back-pressure regulation
- Scale-down modeling for downstream continuous manufacturing unit operations (e.g., API crystallization, work-up extraction)
FAQ
Can this reactor be used for reactions requiring strict oxygen exclusion?
Yes—when coupled with inert gas purging, Swagelok VCR fittings, and vacuum-dried tubing pre-conditioning, the system achieves <1 ppm O₂ residual in the liquid phase.
Is tubing replacement supported in-house without specialized tools?
All FEP/PTFE coils utilize standardized 1/16″ compression fittings; replacement requires only a torque wrench calibrated to 25 in·lb and leak-checking with helium mass spectrometry.
Does the manufacturer provide validation documentation for IQ/OQ protocols?
EZONE CHEMIST supplies vendor qualification dossiers (VQD), material certificates (EN 10204 3.1), and dimensional inspection reports; site-specific OQ execution remains the user’s responsibility per ISO 17025 guidelines.
What is the expected service life of FEP tubing under repeated thermal cycling?
Accelerated aging tests indicate >500 cycles between −10 °C and 150 °C without measurable creep deformation or loss of burst pressure integrity.
Are custom coil geometries (e.g., helical pitch, radius) available?
Yes—custom winding patterns and multi-zone thermal zoning (e.g., heated inlet + cooled outlet segment) are offered as OEM engineering services upon technical review.
