Tecnicon Engineering Private Limited

Service: Specify the purpose (e.g., Methanol-Water Separation).

Type: Tray column / Packed column.

Operating Mode: Continuous / Batch.

Feed Composition: Component-wise breakdown with mole or mass fractions.

Feed Conditions: Temperature (°C), Pressure (bar), Flow Rate (kg/h or kmol/h).

Top Product:

• Desired composition

• Flow rate

• Purity target

Bottom Product:

• Composition

• Flow rate

• Purity target

Operating Pressure: Vacuum / Atmospheric / Elevated pressure.

Operating Temperature Range: Based on boiling points of key components.

Number of Theoretical Stages: From process simulation.

Actual Number of Trays: Adjusted for tray efficiency (70–90%).

Tray Type: Sieve / Valve / Bubble Cap.

Tray Spacing: Typically 18–24 inches (450–600 mm).

Packing Type (if used): Random / Structured.

Packing Size & Type: e.g., 1" Raschig rings, Mellapak, etc.

Column Diameter: From hydraulic and vapor load calculations.

Column Height: Based on number of stages and tray spacing or packing height.

Material of Construction:

Design Pressure: Operating pressure + margin (e.g., 10–20%).

Design Temperature: Above highest operating temperature.

Corrosion Allowance: Typically 1.5 – 3 mm.

Insulation: Yes/No (if heat loss/gain is significant).

Reboiler:

Condenser:

Reflux Drum: Capacity based on residence time (usually 5–10 mins).

Reflux Ratio: Typically 1.2–3.0 depending on separation difficulty.

Reflux Pump: Sized for reflux flow rate.

Bottoms Pump: Sized for bottom product flow rate.

Feed Preheater (if any): Depends on feed condition vs required temperature.

Instrumentation:

Safety Devices: