A multi-functional processor (MFP) combines top-spray granulation, Wurster coating, tangential rotor granulation, and standalone drying in a single interchangeable fluid bed unit — using the same product bowl with exchangeable Wurster insert, rotor disc, or spray nozzle configurations. Processing 1–200 kg, it enables a single FBP to perform all unit operations in a flexible pharmaceutical development or multi-product production suite — maximum equipment utilisation with minimum floor space requirement.
The base MFP unit is configured for each process step by exchanging the spray configuration (top-spray nozzle bar, bottom-spray Wurster insert, or tangential nozzle ring) and base plate (standard distributor or rotor disc). A universal product bowl accepts all inserts with standardised Tri-Clamp connections. The PLC recipe library stores settings for each configuration; changeover between top-spray and Wurster takes 20–45 minutes with tool-free clamp fittings. All configurations share a single validated CIP protocol.
Challenges
Spray Configuration Changeover Time Reducing Batch Availability
Wurster column removal and top-spray installation takes 30–60 minutes — reduces throughput.
Bowl Volume Compromise Across All Configurations
Single bowl for all modes may underperform at maximum batch size for any one configuration.
CIP Validation Covering All Inserts on One Protocol:
Worst-case CIP condition varies — single protocol must address all configuration geometries.
AHU Capacity for Both Granulation and Wurster Coating
Wurster requires higher air volume — AHU must be sized to the most demanding configuration.
Regulatory Qualification Cost Per Configuration
Agencies may require separate IQ/OQ/PQ per configuration despite shared hardware.
Solutions
- Tool-Free Quick-Release Insert System (Tri-Clamp, 20 min Changeover): Standardised Tri-Clamp connections — Wurster-to-top-spray swap in 20 minutes.
- Configuration-Specific Bowl Volume Limits Documented per Mode: Technical manual provides validated maximum batch weight per mode — prevents over-loading.
- Worst-Case CIP Matrix (Wurster as Baseline Hardest-to-Clean): CIP validated on Wurster geometry — all simpler configurations bracketed within.
- Oversized AHU (120% of Maximum Single-Configuration Duty): AHU sized for maximum Wurster requirement — all other modes within capacity.
- Matrix Qualification (ASTM E2500 Risk-Based Approach): Risk-based approach qualifies each insert variant — single IQ/OQ covers all configurations.
Applications
- Pharmaceutical R&D: Flexibility for formulation development — test granulation, coating, and drying in one unit.
- Pharmaceutical Mfg: Multi-product suite — one MFP replaces separate FBG, Wurster, and FBD with flexible scheduling.
- Nutraceuticals: Flexible granulation and pellet coating for supplement product range manufacture.
- Food Ingredients: Flexible spray drying, agglomeration, and coating for specialty food ingredient production.
- CMO / CDMO: Contract manufacturing flexibility — one unit services multiple client product types.
Models & Capacities
2E. Multi-Functional Processor (MFP) — Models & Capacities | |||||||||||
Model | Net Vol. [L] | Batch Size [kg] | Configurations Available | Inlet Air [m³/h] | Wurster Columns | Rotor Disc Ø [mm] | Bowl Ø [mm] | Bowl H [mm] | Changeover Time [min] | Overall H [mm] | Connected Load [kW] |
MFP-001 | 1.5 | 1–3 | TS+WU+RT+FBD | 50–500 | 1 | 150 | 300 | 400 | 20–30 | 2,400 | 8 |
MFP-005 | 8 | 3–10 | TS+WU+RT+FBD | 200–1,500 | 1 | 250 | 450 | 550 | 20–30 | 2,800 | 15 |
MFP-020 | 30 | 10–30 | TS+WU+RT+FBD | 600–4,000 | 2 | 350 | 650 | 780 | 25–35 | 3,400 | 28 |
MFP-060 | 90 | 30–80 | TS+WU+RT+FBD | 1,500–10,000 | 3 | 500 | 900 | 950 | 30–45 | 4,200 | 55 |
MFP-120 | 180 | 60–150 | TS+WU+RT+FBD | 3,000–18,000 | 3 | 700 | 1,200 | 1,150 | 30–45 | 5,100 | 90 |
MFP-200 | 300 | 100–200 | TS+WU+FBD | 5,000–25,000 | 4 | 900 | 1,500 | 1,380 | 35–50 | 6,000 | 130 |