Methanol Recovery Column

What Key Issues Does The Equipment Address

The Methanol Recovery Column primarily helps plants resolve issues related to methanol feedstock loss, waste liquid disposal costs, solvent procurement expenses, pressure regarding downstream environmental compliance, and fluctuations in methanol concentration during production.

For plants with high methanol consumption, even recovering just a few dozen kilograms per hour translates into significant actual costs when accumulated over the long term.

Material Inspection→Plate Cutting & Forming→Shell Rolling→Longitudinal / Circumferential Welding→Fabrication of Internal Components→Installation of Trays / Packing Supports→NDT Inspection→Dimensional Inspection→Hydrostatic / Leak Test→Surface Treatment→Final Inspection & Delivery

For high-pressure equipment, non-destructive testing (NDT)-such as RT, UT, MT, and PT-can be performed in accordance with project requirements.

If you only need to replace a single tower, GYRO can supply the individual unit.

For new methanol recovery projects, we can provide a comprehensive package of auxiliary equipment, including:
● Methanol Recovery Column
● Reboiler
● Condenser
● Reflux Drum
● Feed Preheater
● Reflux Pump
● Product Storage Tank
● Piping System
● Control Instruments
● PLC/DCS Control System

For complete projects, ZIBO GYRO can handle process design, equipment manufacturing, on-site installation, and EPC project execution.

GYRO can tailor the design to your specific process requirements:

• Column Diameter: Calculated based on gas load and allowable gas velocity to prevent flooding.
• Column Height: Determined by target separation efficiency and the number of theoretical stages, rather than a fixed height.
• Feed Location: Determined by feed state and composition to minimize unnecessary reboiler and reflux loads.
• Column Internals: Trays or packing selected based on throughput and mass transfer requirements.
• Materials of Construction: Carbon steel, stainless steel, or special alloys selected based on methanol concentration, temperature, and corrosive impurities.
• Reboiler and Condenser: Individually sized based on thermal load to avoid oversizing the heat transfer area.

Small to medium-sized methanol recovery columns can be manufactured as a single unit and shipped intact.

Large-scale columns are manufactured in sections and assembled on-site to minimize the costs and constraints associated with oversized cargo transport.

Pre-shipment preparations:

• Protective covers installed on flange sealing surfaces;
• Nozzles sealed against dust;
• Column internals individually numbered and packaged;
• Small accessories packed in wooden crates;
• Large equipment secured with steel framing;
• Anti-corrosion protection applied to external surfaces.

For export projects, the following documentation is available:

Packing List / Material Certificate / Inspection Report / Manufacturing Records / Installation Drawings

Methanol represents a production cost.

If a plant consumes large quantities of methanol and experiences steady losses during production, a recovery system performs a straightforward function:

It converts methanol that would otherwise end up in waste streams back into a usable product.

For instance, if a project processes 20 tonnes of methanol-containing material daily, and even if only 20% of the methanol is actually recoverable, there is theoretically a potential to recover approximately 4 tonnes per day.

Determining whether the investment is worthwhile should not be based on intuition; instead, the actual return on investment should be calculated using the following formula:

(Methanol loss quantity × Methanol procurement cost) − (Steam/cooling water/electricity/maintenance costs)

If you are interested in our products, please provide GYRO with details regarding feed rate, methanol concentration, target recovery rate, product purity, and existing steam conditions. We can then begin with process calculations to evaluate the methanol recovery column dimensions, internals, reboiler, and condensation system, and provide a comprehensive solution ranging from equipment manufacturing and installation to full EPC contracting.