NORMAG Solvent Recirculation Gas Absorption Scrubber Tower
| Brand | NORMAG |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Normag |
| Pricing | Upon Request |
Overview
The NORMAG Solvent Recirculation Gas Absorption Scrubber Tower is a precision-engineered laboratory-scale packed column system designed for fundamental and applied research in gas–liquid mass transfer, chemical absorption, and reactive separation processes. Operating on the principle of counter-current or co-current contact between a gaseous stream and a liquid solvent phase, the tower exploits differences in solubility, chemical reactivity, and equilibrium partitioning to achieve selective component removal, recovery, or conversion. This unit is not a generic scrubber but a configurable process simulation platform—capable of replicating industrial-scale absorption kinetics and hydrodynamics under controlled, reproducible conditions. Its design adheres to classical two-film theory and supports validation against established correlations (e.g., HTU-NTU, KGa, KLa) used in chemical engineering pedagogy and pilot-scale development. It is routinely deployed in petroleum refining R&D for H2S scavenging, CO2 capture from refinery off-gases, amine-based acid gas removal, and solvent regeneration studies—applications requiring strict adherence to ASTM D5504, ISO 8573-5, and API RP 14E guidelines.
Key Features
- Modular stainless-steel column with vacuum-insulated double-jacketed wall for precise temperature control across all operational zones (top, mid, bottom)
- Interchangeable structured and random packings (e.g., Raschig rings, Pall rings, Mellapak) enabling systematic study of pressure drop, flooding velocity, and mass transfer efficiency
- Integrated dual-feed system: regulated gas mass flow controllers (MFCs) and peristaltic/magnetic-drive liquid recirculation pumps with adjustable flow rates and closed-loop solvent recovery
- Real-time multipoint monitoring: thermocouples at ≥3 axial positions, differential pressure transducers, inline pH and conductivity sensors calibrated per ASTM D1125 and ISO 7888
- Preheating modules for both gas and liquid streams—ensuring thermal equilibration prior to column entry and minimizing radial temperature gradients
- Sampling ports with septum-sealed valves compliant with ISO 5667-3 for grab sampling without system depressurization
- Industrial-grade PLC-based control architecture with optional integration into LabVIEW™ or MATLAB® environments for algorithm-driven automation
Sample Compatibility & Compliance
The scrubber accommodates a broad range of corrosive and non-corrosive gas–liquid systems relevant to upstream and downstream petroleum operations—including H2S, CO2, NH3, HCl, SO2, and light hydrocarbons (C1–C4)—paired with aqueous amines (MEA, DEA, MDEA), organic solvents (e.g., sulfolane, Selexol™ analogues), or water. All wetted parts are constructed from 316L stainless steel or PTFE-lined components, certified to EN 10204 3.1 material test reports. The system meets mechanical integrity requirements of PED 2014/68/EU and carries CE marking. Data acquisition complies with ALCOA+ principles; audit trails, electronic signatures, and user-access controls align with FDA 21 CFR Part 11 when configured with validated software modules.
Software & Data Management
Data acquisition is performed via a dedicated PC interface running NORMAG’s proprietary SCADA-compatible software (v3.2+), supporting continuous logging at ≥1 Hz resolution across all sensor channels. Export formats include CSV, Excel (.xlsx), and HDF5 for post-processing in Python (Pandas, SciPy) or MATLAB. The software enables real-time trend visualization, automated calculation of absorption efficiency (% removal), overall mass transfer coefficients (KGa), and column height equivalent to a theoretical plate (HETP). Raw data files are timestamped, digitally signed, and stored with immutable metadata—facilitating GLP-compliant reporting and traceability required for regulatory submissions.
Applications
- Screening and optimization of novel absorbents for low-concentration acid gas removal from natural gas streams
- Dynamic testing of solvent degradation under oxidative or thermal stress—correlating with ASTM D664 and IP 277
- Validation of process simulation models (e.g., Aspen Plus®, CHEMCAD®) using experimentally derived equilibrium and kinetic parameters
- Training platform for distillation-absorption hybrid unit operations in petroleum engineering curricula
- Development of regenerable sorbent systems for carbon capture and utilization (CCU) pathways
- Study of interfacial phenomena in foaming or emulsifying solvent systems under high-shear gas dispersion
FAQ
Can the tower operate under sub-atmospheric pressure?
Yes—the vacuum-jacketed column and sealed feed system support operation down to 50 mbar absolute, enabling low-boiling-point solvent studies and reduced thermal degradation.
Is it possible to integrate online GC or FTIR for real-time effluent analysis?
Absolutely—the standardized ¼” Swagelok® outlet ports and 0–10 V analog outputs allow direct coupling to third-party analyzers with minimal adaptation.
What level of automation is available out-of-the-box?
Standard configuration includes PID-controlled temperature and flow regulation; full sequence automation (start-up, ramping, sampling, shutdown) requires optional PLC programming package and HMI panel.
Does NORMAG provide application support for petroleum-specific test protocols?
Yes—application engineers offer protocol development aligned with ASTM D4052, D95, and ISO 3405, including method qualification documentation and uncertainty budgeting per ISO/IEC 17025.
