Packed Fractionating Column — Industrial & Lab-Grade Distillation Solutions | Bioland
Need precise separation? Bioland's packed fractionating columns deliver high-efficiency vapor-liquid contact across 5–100L capacities, with vacuum, atmospheric, and continuous operating modes. Built to GMP, CE, and ISO standards, each column is engineered for pharmaceutical, chemical, essential oil, and fatty acid applications where purity and thermal protection both matter. Whether you're scaling a lab process or running full production, we configure to your exact separation requirements.

Why This Column Performs Better?
Low Pressure Drop — Protect Heat-Sensitive Materials
Structured packing keeps pressure drop below 1 mbar per theoretical stage. In vacuum distillation, this directly lowers effective boiling points — meaning your aromatic compounds, pharmaceutical intermediates, and fatty acids reach separation temperature without thermal degradation.
In one essential oil customer project, switching from a tray column to our structured-packing design reduced product color degradation by over 30%.
Real-Time Visual Monitoring
The borosilicate glass column body lets you watch vapor-liquid contact live. No guesswork. No blind spots. If reflux behavior changes, you see it immediately and can adjust before yield is affected.
Material Options Matched to Your Chemistry
- Borosilicate Glass — lab visibility, corrosion resistance for acids and solvents
- SUS304 / SUS316L — general-purpose hydrocarbons, cost-effective for most applications
- Titanium Alloy — chloride-rich, strongly acidic, or high-temperature corrosive environments
All metallic materials are verified by PMI (Positive Material Identification) via XRF analysis before fabrication begins. You receive the alloy confirmation report with your shipment documents.
PLC + PID Automation — Consistent Results Across Every Batch
Programmable logic control handles temperature ramp profiles, stirring speed adjustment, and reflux ratio management. Reduce operator variability and maintain separation consistency even across shift changes.

How Separation Actually Works Inside the Column
Packing material — random or structured — creates a continuous surface for vapor and liquid to contact as they flow in opposite directions. Each contact point allows mass transfer: lighter components move upward with vapor, heavier components fall downward with liquid.
Understanding HETP (Height Equivalent to a Theoretical Plate)
HETP tells you how much physical height you need to achieve one theoretical separation stage. If your process needs 20 theoretical plates and your packing has an HETP of 0.5m, you need 10 meters of packed bed.
Channeling Prevention
Without proper liquid distribution, vapor and liquid take the path of least resistance — bypassing most of the packing. This can reduce actual theoretical performance by up to 50%.
Our packed fractionating columns include high-uniformity liquid distributors at the top and redistributors every 3–6 meters of bed height, verified by pour-point testing (±5% flow variation tolerance across cross-sectional area).

Build Quality & Testing Standards
Every column is fabricated and pressure-tested to ASME Section VIII standards. Before shipment, each unit undergoes:
- Hydraulic distributor testing — liquid flow uniformity within ±5%
- Dry & wet pressure drop tests — performance confirmed against theoretical flooding curves
- Laser verticality alignment — within H/1000 tolerance to prevent wall-flow channeling
- Dimensional inspection of structured packing — crimp height and surface texture verified for consistent HETP across the full bed
You receive the full inspection report and media before we arrange shipment.


Technical Parameters
|
Model
|
JLF-5S
|
JLF-10S
|
JLF-20S
|
JLF-50S
|
JLF-100S
|
JLF-150S
|
JLF-200S
|
|
Distillation Tank Volume
|
5L
|
10L
|
20L
|
50L
|
100L
|
150L
|
200L
|
|
Collection Tank Volume
|
1L
|
2L
|
5L
|
10L
|
30L
|
50L
|
50L
|
|
Number of Collection Tanks
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1-4 sets (Customizable based on the number of fractions to be collected)
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|
Stainless Steel Material
|
304 Stainless Steel (Optional: 316 Stainless Steel)
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|
Heating Tank
|
Oil bath heater or jacket with heating liquid circulation
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Distillation Tower Height
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Height can be customized according to the required number of theoretical plates
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|
Distillation Tower Diameter
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40mm, 50mm, 80mm, 100mm or other customizable sizes
|
|
Distillation Tower Heating (Optional)
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Heating jacket or heating belt
|
|
Stirring Mode
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Magnetic stirrer, magnetic rotating stirrer or top/head stirrer (magnetic seal or mechanical seal)
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|
Operating Temperature Range
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Room temperature to 300°C
|
|
Control System
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Digital display stirring speed controller, timer for reflux receiver/distributor, heating jacket or heating temperature controller. For oil bath heating, an additional heating temperature controller is required.
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Accessories (Optional)
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Cooling circulator for condenser; Heater for jacketed distillation tank; Vacuum pump
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Power Supply
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220V or 380V, 50/60HZ
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After-Sales & Support Services
- 1-year warranty covering manufacturing defects
- Lifetime maintenance support — spare parts availability guaranteed
- Factory Acceptance Test (FAT) — available at our Xi'an facility with witness inspection
- Remote technical support via video call, within 24-hour response time
- Custom process line design — from single column to full distillation system

Why Bioland — And What You Can Actually Expect?
Bioland has manufactured distillation and separation equipment since 2008, with installations across 40+ countries in pharmaceutical, petrochemical, and flavor industries.
What happens after you place an order:
- Dedicated production specialist assigned within 24 hours
- Weekly photo/video progress updates during fabrication
- Full inspection report + media shared before shipment
- Installation guidance document and operator training provided on delivery
OEM & ODM:
We support full custom labeling, modified specifications, and private-label documentation for distributors and system integrators. Minimum OEM quantity varies by configuration — contact us to discuss your program requirements.
Shipping:
- Standard units: 5–7 business days
- Custom configurations: 30 business days
- Sea, rail, and air freight available with export documentation support


Certifications & Compliance
| Certification |
Scope |
| CE (EU Declaration of Conformity) |
Pressure equipment safety, electrical safety |
| ISO 9001:2015 |
Manufacturing quality management system |
| ATEX / IEC Ex |
Use in potentially explosive atmospheres |
| UL |
North American electrical safety |
| SGS |
Independent third-party material and product verification |
| GMP-compatible |
Suitable for pharmaceutical and food production environments |
| FDA reference design |
21 CFR Part 211 construction guidelines followed |
Applications We Commonly Support
Essential Oil & Flavor Purification
Wire-mesh structured packing achieves 99%+ purity isolates within a compact column height. Low boiling point operation preserves delicate aromatic profiles that degrade above 80–100°C.
Fatty Acid Fractionation
Separating oleic acid (bp ~360°C) from stearic acid (bp ~383°C) requires close-boiling resolution under vacuum. Ceramic or exotic alloy packing handles corrosive free fatty acid environments while maintaining the theoretical stages needed.
Petrochemical & Lubricant Processing
High-vacuum operation drops effective boiling points of heavy hydrocarbons below thermal cracking thresholds — preventing the coking and yield losses common in atmospheric tray column designs.
Pharmaceutical & Biomedical Purification
GMP-compatible construction (cleanable surfaces, dead-zone-free design, documentation package) supports drug synthesis intermediates, solvent recovery, and biopharmaceutical separation under regulatory audit conditions.

Get a Separation Solution — Not Just a Quote
Tell us your feed composition, target purity, and production scale. We'll recommend the right column configuration, calculate theoretical stages, and provide a full technical + commercial proposal — usually within 48 hours.
FAQ
Q: When does a packed column outperform a tray column?
A: Packed columns have a clear advantage in three scenarios: (1) when pressure drop must stay very low for vacuum operation, (2) when column diameter is under 600mm where trays become mechanically complex, and (3) when handling heat-sensitive materials that degrade at higher boiling points.
Q: How do you prevent channeling and maintain efficiency?
A: Two mechanisms: precision-engineered liquid distributors at the top inlet, and redistributors every 3–6 meters of packed bed. We also verify uniform packing density during installation. Our pour-point test confirms ±5% flow uniformity before any column ships.
Q: What does HETP mean for my separation project?
A: HETP (Height Equivalent to a Theoretical Plate) defines the packed bed height required per theoretical separation stage. A 0.5m HETP packing needs 10m of bed for 20 theoretical plates. When you tell us your target purity and feed composition, we calculate required HETP and recommend the right packing type.
Q: How do you handle fouling — especially with solids or polymerization risk?
A: For dirty feed streams, we recommend large random packing (50mm Pall rings or larger). These tolerate partial fouling, allow CIP cleaning, and are far less prone to plugging than dense structured packing. We'll advise based on your actual feed characteristics.
Q: Can I scale from a lab unit to production?
A: Yes — but scaling isn't just increasing diameter. We recalculate HETP correlations at the new diameter, redesign the liquid distributor for the larger cross-sectional area, and account for wall-flow effects. Share your lab results with us and we'll prepare a scale-up proposal.
Q: What customization options are available?
A: Capacity (5–100L or beyond on request), material selection, packing type and size, automation level, operating mode, and OEM documentation. Most custom configurations ship within 30 business days.
Contact Us
If you want to get information about the packed fractionating column, please contact us at info@biolandequip.com.