Nord stone

Stripper Column – Column-Type Pressure Vessels

Stripper Column

Introduction

A Stripper Column is a vertical column-type pressure vessel used to remove volatile or unwanted components from liquid streams by contacting them with a rising vapor or gas. These columns are widely used in oil & gas, chemical, petrochemical, and environmental industries for purification, solvent recovery, and process optimization. At NORDSTONE, our stripper columns deliver high separation efficiency, robust mechanical integrity, and compliance with ASME Sec VIII Div.1, API & TEMA codes.

What is a Stripper Column?

A stripper column works by contacting a liquid stream with rising vapor or gas. Volatile components are stripped, carried upward, condensed, and collected. Typical construction includes:

  • Vertical cylindrical shell
  • Trays or packed sections for vapor–liquid contact
  • Liquid distributors & redistributors
  • Vapor inlet and outlet systems
  • Bottom reboiler or heating attachment (optional)

Types of Stripper Columns

  • 1) Tray-Type Stripper Column
    • Uses sieve, valve, or bubble-cap trays
    • Provides defined stripping stages
    • Ideal for high liquid flow applications
  • 2) Packed Stripper Column
    • Random or structured packing
    • Continuous vapor–liquid contact
    • Low pressure drop & high efficiency
  • 3) Steam Stripper
    • Uses steam as the stripping medium
    • Ideal for high-boiling or heat-sensitive liquids
    • Common in petroleum refining
  • 4) Gas Stripper
    • Uses air, nitrogen, or inert gases
    • Effective for VOC removal & solvent recovery
  • 5) Multi-Stage Stripper Column

    Multiple trays or packing layers for high removal efficiency.

Key Features of Our Stripper Columns:
  • •

    High Mass Transfer Efficiency

    Optimized trays/packing ensure effective stripping with uniform flow.

  • •

    Robust Mechanical Design

    Designed as per ASME, API & TEMA with wind, seismic & thermal analysis.

  • •

    Wide Material Selection

    CS, SS304/304L, SS316/316L, Duplex, Super Duplex, and Nickel alloys.

  • •

    Easy Inspection & Maintenance

    Manways, removable internals & heavy-duty supports for safe handling.

Design & Engineering Considerations:
  • Vapor–liquid mass transfer modeling
  • Tray efficiency & packing height analysis
  • Pressure drop & residence time optimization
  • Multi-feed & reflux system design
  • FEA for wind, seismic & thermal loads
  • Support design: Skirt, saddle or legs
  • Compliance with PED, NACE MR0175 & ASME

Operational Parameters:
• Design Pressure: Vacuum to 120 bar
• Design Temperature: –50°C to +450°C
• Diameter: 0.5 m to 6 m
• Height: 3 m to 60 m+

Applications

  • Removal of light hydrocarbons
  • Solvent recovery & purification
  • Hydrocarbon sweetening
  • VOC stripping from wastewater streams
  • Impurity removal in chemical processing
  • Pharma solvent recovery
  • Heat-sensitive liquid concentration
Quality Assurance & Testing:
  • Hydrostatic & pneumatic pressure testing
  • Radiographic Testing (RT)
  • Ultrasonic Testing (UT)
  • Dye penetrant & magnetic particle inspection
  • Tray/packing validation & weld inspection
  • Material traceability (MTC – EN 10204 3.1)
  • Third-party inspection – TUV, BV, Lloyds, DNV, SGS
Optional Features & Packages:
  • Skid-mounted or free-standing design
  • Multi-feed / multi-stage configuration
  • Instrumentation ports (level, temp, pressure)
  • External insulation & corrosion protection
  • Mist eliminators & demisters
  • Anti-fouling & anti-corrosion coatings

Why Choose NORDSTONE?

  • 20+ years expertise in stripper & column vessels
  • Advanced simulation & mechanical design
  • ASME-certified fabrication & export capability
  • Custom-engineered solutions for stripping & recovery
  • Full QA/QC documentation with TPI support
  • Proven reliability across global industries
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