Model Series: BD-300
Gas Absorption Trainer with DCS Control
The separation of gas mixtures and recovery of the components usually involves a regenerable absorbent. In the natural gas processing industry sulphur compounds and CO2 are removed by absorption by an aqueous amine solution. In this trainer, an air / CO2 mixture emulates the raw gas stream and CO2, the acid gas. The amine is regenerated and recycled through the process. The trainer is equipped with industry-typical process measurement and control devices, providing a realistic training environment in which the students are exposed to many available technologies. The trainer is controlled by a distributed control system.
Process Highlights:
- Continuously variable flows
- Liquids are recycled
- air and CO2 are vented outside
- Intrinsically safe design
- Designed for operations training
Process Details:
- Maximum Process Temperature: 100 °C (212 °F)
- Absorber Side Process Temperature: Ambient
- Absorber Side Process Pressure: 90 kPag (13 psig)
- Regenerator Side Process Temperature: 100 °C (212 °F)
- Regenerator Side Process Pressure: Atmospheric
Equipment Specification Highlights:
- Glass absorber column with random packing – 6” (150mm) ID
- Glass regenerator column with structured packing – 6” (150mm) ID
- Glass reflux accumulator
- All other process equipment is made of stainless steel
- Reboiler with optional electric or steam heat – 30kW capacity
- Brazed-plate heat exchanger
- Two centrifugal pumps and one variable-speed displacer pump
- Electronic process measurement and distributed control system with 8 control loops including:
- Pressure control (differential pressure)
- Liquid and gaseous flow control with orifice meters
- Level control (with D/P-based level measurement)
- Three continuously operating CO2 analyzers
- Ten temperature measurement (and control) points
- Time to reach a steady state after a reasonable step change – less than 20 minutes
- Approximate overall minimum dimensions –1300 x 4100 x 3000 mm high. Equipment dimensions can be modified based on room size and layout.
- Available in all world voltages/frequencies (customer to specify electrical power available on-site)
Control Component Protocol:
- Hart 4-20 mA
Utility Supply: (any world electrical supplies can be provided - please specify)
- 110VAC 60Hz single phase power (230 VAC 50 Hz Single Phase Option Available)
- 440VAC 60Hz 3 phase power (415 VAC 50 Hz Three Phase Option Available)
- Instrument air at a minimum of 250kPa (35psig)
- CO2 Supply
- Cooling water (Closed cooling water loop available as an option)
- Cooling water return
Note: A complete teaching system is included with student exercises, instructors’ manuals, and technical and maintenance manuals.
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