Roben Mfg, Inc. fabricates dual-zone reactors with separate heating chambers for controlled crystallization processes.
Our precision reactor designs enable the exact temperature control required for optimizing crystal nucleation,
growth, and product quality in pharmaceutical, chemical, and specialty material applications.
Dual-Zone Reactors for Controlled Crystallization
Crystallization quality depends critically on temperature control—nucleation temperature affects crystal number,
growth temperature affects crystal size, and cooling profiles affect crystal morphology. Our dual-zone reactors
with separate heating chambers provide the independent thermal control needed for each crystallization stage,
enabling production of crystals with specified size, shape, and purity.
Why Choose Dual-Zone Reactors for Controlled Crystallization from Roben Mfg?
- Precise nucleation control
- Crystal size optimization
- Polymorph selection capability
- Consistent crystal quality
- Programmable cooling profiles
- Batch-to-batch reproducibility
- Process development support
Key Features
- Precision temperature control (±0.5°C)
- Programmable cooling profiles
- Seeding system integration
- Crystal monitoring capability
- Gentle agitation systems
- Filtration integration
- Mother liquor management
Applications
- Pharmaceutical crystallization
- API purification
- Polymorph control
- Particle size specification
- Chiral resolution
- Fine chemical purification
- Specialty chemical production
- Protein crystallization support
Compliance and Certifications
Roben Mfg maintains comprehensive certifications ensuring our dual-zone reactors with separate heating chambers
meet the highest industry standards:
- ASME Section VIII Division 1 and Division 2 — “U” and “U2” Stamps
- National Board “R” Stamp for repairs and alterations
- ASME BPE for bioprocessing applications
- ISO 9001:2015 Quality Management System
- PED (Pressure Equipment Directive) for European market
- CRN (Canadian Registration Number) for Canadian provinces
Quality Assurance
Every dual-zone reactor fabricated by Roben Mfg undergoes rigorous quality assurance protocols:
- Material certifications with complete traceability
- Qualified welding procedures and welders
- Post-weld heat treatment (PWHT) per code requirements
- Comprehensive NDE including RT, UT, MT, and PT
- Hydrostatic and pneumatic testing per ASME requirements
- Complete documentation packages
Frequently Asked Questions
How do dual-zone reactors improve crystallization control?
Dual-zone reactors enable dissolution at elevated temperature in one zone followed by controlled cooling
crystallization in another, or maintenance of different temperatures for staged crystallization. This
independent control allows optimization of nucleation and growth conditions separately.
Can your reactors support polymorph-selective crystallization?
Yes, our dual-zone reactors provide the precise temperature control and programmable cooling profiles
essential for polymorph selection. Combined with seeding systems and careful process design, these reactors
support production of specific polymorphic forms.
What crystal monitoring capabilities can be integrated?
Our dual-zone reactors can accommodate in-situ monitoring probes for crystal observation, particle sizing,
and concentration measurement. Integration with PAT systems enables real-time crystallization monitoring
and feedback control.
Contact Roben Mfg
Contact Roben Mfg today to discuss your controlled crystallization requirements. Our engineering team
provides expert consultation on dual-zone reactor design, materials selection, and complete vessel solutions.
Phone: (281) 441-4088
Email: info@robenmfg.com
Website: www.robenmfg.com
