Extend Crude Vacuum Distillation Column / Wash‑Bed Run Lengths With Our Advanced Surface Treatment

What is Our Distillation Column Internals Packing Surface Treatment?

Curran enhances distillation tower performance by applying REO Surface Treatment to internal packing and wash beds. This advanced, water-based treatment deposits rare-earth oxides such as yttria (Y₂O₃) onto alloy surfaces as a low-density, non-continuous layer. With no measurable thickness, REO Surface Treatment adds zero thermal resistance while delivering exceptional resistance to fouling, reduced coke buildup, and high-temperature oxidation protection. The result is cleaner surfaces, sustained process efficiency, and extended service life in demanding high-temperature environments.

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Field Proven Results

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Column Internals Treated

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Utilizing Our Distillation Column Internal Solution

0 Reduced Coke Build Up

After Gas Oil Flow Loss Due to Unit Upset

Trusted By These Super Major Refineries

The Industry Challenge

The Problem

Wash‑bed packing fouls rapidly due to low liquid rates & high vapor velocity.

18-24 Months

Typical wash beds reach critical ΔP in 18–24 months.

The Distillation Column Coking Solution

Rare earth oxide technology prevents fouling formation while maintaining optimal heat transfer on internal packing.

3-4 Years

Continuous runs with no ΔP increase

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Key Benefits

What Our Surface Treatment Can Do For Your Distillation Column

Longer run times 1

Longer Run Lengths

Push turnaround schedules by an extra 1–2 years.

stable pressure

Stable Pressure Drops

Maintain column efficiency and throughput.

Lower Cleaning costs

Lower Cleaning Costs

Fewer change‑outs and hydroblasts.

Improved Yield

Improve Yield

Minimized entrainment & coke generation preserves HVGO recovery.

Safety Upside

Safety Upside

Less confined‑space entry for packing replacement.

6. Improved Sustainability Minimox Key Benefits 1

CO₂ Reduction

Higher uptime means fewer energy‑intensive shutdown/startups.

Structured Packing Comparisons

Distillation Column Grid Structured Packing Uncoated

Uncoated

Grid Structured Packigng

Distillation Column Grid Structured Packing Post Application

Coated

Grid Structured Packing

Distillation Column Corrugated Sheet Structured Packing Uncoated

Uncoated

Corrugated-sheet Structured Packing

Distillation Column Corrugated Sheet Structured Packing Uncoated 1

Coated

Corrugated-sheet Structured Packing

Uncoated

Uncoated

severe-service grid structured packing

Wash bed packing Coated

Coated

severe-service grid structured packing

Common Applications

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Structured Packing

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Distributors

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Trays

Discover The Benefits of Coating Your Distillation Columns

Your Next Steps

Discovery

We begin with a thorough assessment of your heat transfer equipment challenges to get a clear understanding of your problem.

Analysis

Our expert team analyzes your specific conditions to determine the most effective Curran solutions.

Tailored Proposal

We develop a customized plan that may include our advanced coatings, tube liners, or grit blast cleaning services, designed to meet your unique equipment needs.

Execution

Our skilled technicians provide professional installation and application of our solutions, ensuring optimal performance and longevity for your heat transfer equipment.

Frequently Asked Questions

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Minimox is metallurgically bonded; longevity is limited only by base‑metal life. Field units exceed 4 years with no degradation.

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No. The layer is sub‑micron and has no measurable thickness, so surface area and openness remain unchanged.

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Yes—small areas can be spot‑treated and re‑cured with electric heaters.

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Stainless Steels, 347H, 317L, Inconel, and other high‑alloy internals

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Typical wash‑bed treatment fits into a 5‑to‑7‑day window, including cure.

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