Seprex Private Limited

Seprex Industrial Distillation Plant

High-Efficiency Turnkey Solutions for Solvent Recovery, Purification & Separation

The Seprex Industrial Distillation Plant is a robust, skid-mounted system designed for continuous or batch distillation operations across the chemical, pharmaceutical, petrochemical, and allied industries. Engineered with precision and process understanding, it enables efficient separation and purification of multicomponent mixtures based on relative volatilities.

✅ Key Features:

• Design Capacity:
  Available from 100 L/day to 10,000 L/day, with customized scale-up based on client requirements.

• Column Construction:

  • Material: SS316L, SS304, Hastelloy, or exotic alloys based on process compatibility

  • Type: Packed column (structured/random), tray column (sieve, bubble cap) or hybrid designs

  • Height/Diameter Ratio: Engineered for optimum theoretical stages and HETP

• Operating Conditions:

  • Pressure: Full vacuum to 5 bar(g)

  • Temperature: Ambient to 250°C, depending on feed characteristics

  • Heating Medium: Thermic fluid, steam, or electrical heating

  • Cooling Medium: Water or brine with shell & tube or plate heat exchangers

• Key Components:

  • Reboiler (kettle or thermosiphon type)

  • Distillation column with internals

  • Overhead condenser and reflux drum

  • Reflux control system (manual or automated)

  • Product receivers for distillate and bottoms

  • Vacuum system (optional – liquid ring or dry vacuum pump)

  • Utility skid and instrumentation panel

• Automation & Control:

  • PLC/SCADA-based operation with real-time monitoring

  • Flow, temperature, level, and pressure sensors for process control

  • Alarms, interlocks, and safety shutdown features

🔬 Applications:

• Solvent recovery and recycling

• Purification of specialty and fine chemicals

• Monomer/polymer separation

• Removal of water or low-boiling impurities

• Recovery of high-value actives from process streams

Seprex Solvent Distillation Unit

Efficient Recovery & Purification of Solvents – Engineered for High Performance

The Seprex Solvent Distillation Unit is a compact, modular system designed for the efficient recovery, purification, and recycling of solvents from industrial process streams. Built to handle a wide range of organic and inorganic solvents, the unit delivers high recovery efficiency with consistent product purity, while ensuring operator safety and regulatory compliance.

✅ Key Features:

• Design Capacity: From 5 L/hr to 500 L/hr (custom-built for lab, pilot, or industrial use)

• Materials of Construction: SS316L, Hastelloy, or other corrosion-resistant alloys depending on solvent compatibility

• Column Configuration: Simple or fractional distillation column with structured or random packing

• Heating System:

  • Electric heating or thermic fluid heating

  • Precise PID temperature control

• Cooling System:

  • Water/air-cooled condenser

  • Integrated chiller unit (optional) for efficient condensation

• Vacuum Operation:

  • Inbuilt vacuum system for low-boiling or heat-sensitive solvents

  • Operation under full vacuum to atmospheric pressure

🔍 Instrumentation & Control:

• Digital sensors for temperature, vacuum, and flow control

• Fully automated or semi-automated control via PLC/HMI

• Safety interlocks, pressure relief valves, and flameproof panel (optional)

♻️ Solvent Handling Capabilities:

• Compatible with acetone, methanol, ethanol, toluene, DMF, DMSO, THF, hexane, ethyl acetate, and more

• Handles azeotropic mixtures with optional entrainer feed system

🔧 Optional Add-ons:

• Decanter for phase separation

• Online purity monitoring (refractometer, IR, or GC connection)

• Activated carbon polishing column for color and odor removal

• Secondary recovery receiver for high-efficiency separation

🌐 Applications:

• Recovery of solvents from reaction mixtures or extraction processes

• Reuse of solvents in API, fine chemical, and specialty chemical industries

• Solvent purification in R&D and pilot plant operations

• Zero Liquid Discharge (ZLD) systems and ETP integration

💡 Why Choose Seprex:

• Turnkey Solutions – from design and fabrication to commissioning and training

• Energy-Efficient Design – with heat integration and optimized column design

• Proven Track Record – successful installations in pharma, chemical, agrochemical, and research sectors

• Scalable Systems – easy to upgrade from lab to pilot to commercial scale

Seprex Fractional Distillation Unit 

Seprex’s Commercial Fractional Distillation Unit is a robust, industrial-grade system engineered for continuous and batch operation in production environments. Designed with modular construction and advanced automation, it ensures reliable, high-efficiency separation of complex mixtures into pure chemical fractions at scale.

This unit is widely used in the chemical, pharmaceutical, flavor & fragrance, bio-based chemical, and waste oil recovery industries, where consistent product purity, energy efficiency, and operational safety are critical.

Key Specifications:

• Feed Capacity: 100 L/day to 5 KL/day (customized per requirement)

• Column Configuration:

  • Type: Packed / Tray Column

  • Height: Up to 6 meters

  • Diameter: 150 mm to 600 mm

  • Packing: SS structured, PTFE, ceramic, or customized as per application

• Reboiler Options:

  • Kettle-type / Circulating reboilers

  • Heating via Thermic Fluid, Steam, or Electrical Heaters

• Condenser & Cooling:

  • High surface area shell & tube condensers

  • Secondary chillers for sub-cooling if required

• Receivers: 2 to 4-stage receiver system with automatic switching for cut collection

• Vacuum System: Rotary vane or liquid ring pumps (5–100 mbar range)

• Automation:

  • PLC with SCADA / HMI interface

  • Online temperature, pressure, and flow monitoring

  • Cut-point based distillate diversion

  • Alarm and interlock system for safety compliance

Materials of Construction (MOC):

• SS304, SS316L, Hastelloy, or Glass-Lined Reactors (GLR), based on process compatibility

• PTFE-lined piping and gaskets for aggressive solvents

• Flameproof electrical components and instrumentation for hazardous areas (Zone 1/2)

Commercial Applications:

• Purification of high-value specialty chemicals

• Solvent recovery in API and fine chemical manufacturing

• Biodiesel and pyrolysis oil distillation

• Monomer and polymer intermediate separation

• Fragrance and essential oil fractionation

• Multi-component system purification with close boiling points

Why Choose Seprex?

• ✅ Turnkey Delivery: From process design to commissioning and training

• ✅ Process Guarantee: Based on validated pilot data or client-provided samples

• ✅ Compact Skid-Mounted Design: Ideal for quick integration into existing plants

• ✅ After-Sales Support: AMC, remote monitoring, operator training, and spares

Distillation is core of process industry.We at SEPREX understand client’s requirement and provide energy efficient design. We have expert professional sizing, mechanical design, system modeling, and practical design for manufacturing environments. We at SEPREX offer solutions with Performance Guarantees and also provide turnkey distillation plant. SEPREX Offers following type of distillation columns in continuous and batch mode of operations:

• Multicomponent Solvent Recovery unit
• Vacuum distillation unit
• Pressure Swing Distillation
• Azeotropic distillation unit
• Extraction distillation unit
• Fractional distillation unit
• Reactive distillation unit

A fractionating column or fractional column is equipment used in the distillation of liquid mixtures to separate the mixture into its component parts, or fractions, based on their differences in volatility.