Depentanizer

Depentanizer

The depentanizer is used in petrochemical plants to separate light and heavy components, employing distillation to separate pentanes and lighter fractions from heavier hydrocarbons. GYRO offers custom design and manufacturing tailored to specific process conditions, such as throughput, feed composition, operating pressure, and temperature.
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Description
Technical Parameters

Advantages of the Depentanizer

 

Separation performance tailored to process objectives

Engineered with a focus on C5 recovery, C6+ control, product composition, and energy efficiency.

Manufacturing of large-scale, custom-engineered equipment

Depentanizers can be manufactured with specific diameters, heights, materials, and nozzle configurations to meet project requirements.

 

Seamless integration with upstream and downstream equipment

The unit is designed as an integrated system-incorporating reboilers, condensers, reflux systems, and process nozzles-to minimize interface adjustments during on-site installation.

 

Optimized for both manufacturing and on-site installation

Transportation, lifting, site space constraints, and installation methods are considered during the design phase to reduce the need for field modifications during the construction of large-scale columns.

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Solutions Offered by the Depentanizer

 

 

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Separation specifications not being met?

We re-evaluate and determine key parameters-such as column internals, the number of theoretical stages, and reflux conditions-based on actual feed composition and target product specifications.

Equipment mismatch with existing facilities?

We provide customized designs that account for on-site equipment, piping, and installation space, making the solution suitable for both new projects and retrofits of existing units.

Challenges in manufacturing and delivering large-scale columns?

Equipped with heavy-duty plate rolling, lifting, welding, and heat treatment facilities, GYRO is fully capable of manufacturing large, non-standard equipment.

Complex technical interfaces between multiple suppliers?

We manage project coordination across the entire scope-from the depentanizer unit itself to associated heat exchange, reflux, and process interfaces-thereby reducing the integration workload for you.

 

Technical Specifications

 

 

Parameter

Specification

Equipment Name

Depentanizer

Equipment Type

Distillation Column

Service

C5 / C6+ Hydrocarbon Separation

Design Capacity

Customized

Operating Pressure

Customized

Design Pressure

Customized

Operating Temperature

Customized

Design Temperature

Customized

Column Diameter

Customized

Column Height

Customized

Internals

Trays / Packing

Number of Theoretical Stages

Process Designed

Feed Location

Process Designed

Reflux Ratio

Process Designed

Reboiler Duty

Customized

Condenser Duty

Customized

Material

Customized

Nozzle Configuration

Customized

Platforms & Ladders

Customized

Inspection

RT / UT / MT / PT / Dimensional Inspection / Pressure Testing

Design Standard

Project-Specified Standard

 

Customized Services

 

 

The Depentanizer for each project can be redesigned based on specific process conditions.

You may provide the following information:
● Throughput
● Feed Composition
● C5/C6+ Separation Requirements
● Operating Pressure
● Operating Temperature
● Product Specifications
● Reflux Requirements
● Equipment Datasheet
● PFD / P&ID

Based on this data, GYRO determines the column diameter and height, number of trays, packing sections, feed location, nozzle details, platforms and ladders, and interfaces for auxiliary equipment.

If complete equipment drawings are not available, you can simply provide the process data first, and our engineering team will further develop and confirm the equipment design.

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Why Choose GYRO?

 

 

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As a specialized manufacturer of de-pentanizers, GYRO possesses comprehensive capabilities spanning engineering design, pressure vessel fabrication, quality inspection, installation, and equipment maintenance and modification.

The company operates a production base covering approximately 30,000 m², with 20,000 m² of workshop space and over 150 units of manufacturing equipment. Key assets include lifting equipment with a maximum capacity of 100 tons, a 1,000-ton hydraulic press, a large-scale heat treatment furnace, and more than 80 welding machines (including nine automatic submerged arc welding units).

The engineering team comprises over 50 designers and 15 engineering technicians, supported by certified pressure vessel welders and professional NDT personnel, enabling seamless support from initial engineering design through to equipment fabrication.

For large-scale petrochemical projects, this integrated engineering and manufacturing capability helps clients reduce coordination costs across the design, procurement, fabrication, and on-site installation phases.

 

After-Sales Service and Technical Support

 

 

Installation Support

Following the delivery of the Depentanizer, GYRO can provide technical support for equipment installation based on project requirements, assisting you in verifying installation details and interface connections.

01

Commissioning Support

We collaborate with your project team on technical verification during the commissioning phase, ensuring seamless integration between the equipment and upstream/downstream systems.

02

Maintenance

GYRO provides technical analysis and maintenance recommendations to address any issues that may arise during the operation of the Depentanizer.

03

Modification & Upgrade

For projects involving capacity expansion, process changes, or equipment modifications, we can conduct re-evaluations based on original equipment specifications and site conditions.

04

Technical Documentation

GYRO provides relevant technical documents, inspection records, and manufacturing documentation in accordance with project requirements, facilitating project acceptance and ongoing maintenance.

05

If you are looking to procure a de-pentanizer, you can directly submit the PFD, P&ID, feed composition, processing capacity, and operating conditions. The GYRO engineering team will then handle the design, fabrication, and quotation based on your specific project requirements.

 

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