Educational Chemical Engineering Pilot Plants
Dual-Drive Stirred Gas-Liquid Mass Transfer Coefficient Determination Pilot Plant
Item Number : LPK-DSA
Price varies based on specs and customizations
- Agitation System
- Dual independent variable-speed motors with digital tachometer readouts
- Absorber Vessel
- Borosilicate glass cell with dual-drive mechanical agitation
- Thermal Control
- Integrated heating/cooling constant-temperature bath circulator
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Introduction
The Dual-Drive Stirred Gas-Liquid Mass Transfer Coefficient Determination Educational Unit Operations Pilot Plant is an advanced, fully integrated instructional apparatus designed for university engineering laboratories. By incorporating independently controlled drive systems for both gas and liquid phases, this pilot plant provides engineering students with hands-on exposure to fundamental mass transfer mechanisms and interphase transport phenomena. The unit allows precise evaluation of absorption rates, gas-film resistance, and liquid-film resistance across varying hydrodynamic regimes. To align seamlessly with diverse laboratory curricula and research goals, both the hardware architecture and software control systems are fully customizable to meet specific academic requirements.
Key Features & Educational Value
- Independent Phase Agitation Control: Separate variable-speed drives for gas and liquid impellers enable complete decoupling of phase turbulence, allowing students to isolate and investigate individual phase mass transfer coefficients.
- Mechanistic Mass Transfer Determination: Supports experimental determination of overall and individual mass transfer coefficients ($k_L$, $k_G$, $K_L$, $K_G$) under varied hydrodynamic conditions, demonstrating two-film theory principles in practice.
- Comprehensive Parameter Control: Precise adjustment of rotational speeds, gas flow rates, phase concentrations, and system temperatures facilitates broad experimental adaptability and robust data analysis.
- Transparent Visualization Column: A high-clarity borosilicate glass reaction chamber offers complete visual access to gas-liquid interface dynamics, vortex formation, and mixing behavior during operation.
- Integrated Process Utilities: Equipped with a closed-loop temperature control circulation system, differential pressure manometers, precision flow meters, and intuitive control instrumentation for reproducible experimental conditions.
Detail & Parts
System Technical Specifications
| Component / Subsystem | Technical Description |
|---|---|
| Absorber Vessel | Borosilicate glass cell with dual-drive mechanical agitation |
| Agitation System | Dual independent variable-speed motors with digital tachometer readouts |
| Thermal Control | Integrated heating/cooling constant-temperature bath circulator |
| Flow Measurement | Calibrated gas rotameters and precision fluid delivery system |
| Pressure & Level Gauges | Dual vertical differential liquid manometers and pressure buffer vessels |
| Framework & Mounting | Industrial anodized aluminum profile frame with heavy-duty lockable casters |
Curriculum Alignment & Experimental Capabilities
This pilot plant bridges theoretical fluid mechanics and transport phenomena with real-world unit operations teaching. By facilitating direct measurement of transport parameters, the apparatus supports laboratory courses across Chemical Engineering, Environmental Engineering, Food Engineering, and Pharmaceutical Engineering.
The experimental capabilities directly correspond to core topics established in standard engineering reference texts:
| Academic Field | Associated Reference Textbooks | Corresponding Unit Operations & Core Concepts |
|---|---|---|
| Chemical Engineering | Unit Operations of Chemical Engineering | Gas Absorption, Interphase Mass Transfer, Two-Film Theory, Determination of Volumetric Mass Transfer Coefficients |
| Biochemical & Food Engineering | Transport Processes and Unit Operations | Gas-Liquid Dissolution, Aeration Hydrodynamics, Liquid-Film Controlled Resistance |
| Process & Environmental Engineering | Chemical Engineering Design | Absorber Sizing Principles, Stirred Tank Mass Transfer Correlations, Process Scale-Up Fundamentals |
Typical Laboratory Experiments
- Determination of gas-liquid mass transfer coefficients under varying gas/liquid stirring speeds.
- Investigation of the effect of gas flow rates and hydrodynamic turbulence on interphase mass flux.
- Separation and evaluation of gas-film side versus liquid-film side mass transfer resistance through concentration and speed adjustments.
- Evaluation of temperature impacts on gas solubility and kinetic absorption rates.
Modular Customization Options
Recognizing that every engineering faculty maintains unique pedagogical and research objectives, this pilot plant offers flexible custom configurations. Both hardware (including custom column geometries, specialized impeller designs, extended sensor arrays, and corrosion-resistant materials) and software (ranging from basic digital display interfaces to fully automated SCADA systems with real-time data acquisition and modeling software integration) can be customized to align perfectly with your departmental requirements.
About LABPARK
For over 20 years, LABPARK has been a trusted global partner in higher education engineering equipment, providing specialized pilot-scale units and educational systems. Focusing on six core disciplines—chemistry, chemical engineering, biology, food engineering, pharmaceutical engineering, and environmental engineering—LABPARK bridges the gap between academic theory and industrial practice.
Driven by innovation, the company holds 209 technical patents and operates a modern 49,000-square-meter manufacturing and R&D base. To date, LABPARK has successfully collaborated with more than 289 universities and academic institutions worldwide, delivering reliable, curriculum-aligned educational hardware to empower the next generation of engineers.
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