⚠️ CHEMICALS CLAIMING TO “FIX” TURBINE OIL VARNISH

Truth Every Reliability Engineer Must Know

💥 Let me say this clearly:

👉 You cannot fix oxidation chemistry by adding more chemicals into degraded oil.

Yet…
The market is full of products claiming:

🧪 “Remove varnish instantly”
🧪 “Restore oil like new”
🧪 “Clean system without shutdown”

Let’s break this down technically and brutally honest 👇

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🔬 WHAT THESE CHEMICALS ACTUALLY DO

Most varnish-treatment chemicals fall into 3 categories:

1️⃣ Cleaning / Flushing Chemicals

• Increase oil solvency
• Dissolve deposits
• Carry varnish into suspension

✔ Yes → They can remove deposits
❌ No → They do NOT fix oil degradation

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2️⃣ Solvency Boosters / Dispersants

• Keep varnish dissolved
• Delay precipitation

👉 Translation:

🟡 You didn’t remove varnish
🟡 You just made it invisible

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3️⃣ Additive Boosters (Antioxidants / Neutralizers)

• Improve RULER
• Reduce TAN

👉 But remember:

⚠️ Oxidation by-products are STILL in the oil

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⚠️ THE HIDDEN CHEMISTRY (MOST PEOPLE MISS THIS)

Turbine oil is a balanced formulation:

• Base oil
• Antioxidants
• Rust inhibitors
• Foam suppressants
• Demulsifiers

👉 Add a chemical… and you disturb this balance.

📌 In fact:

• Some varnish mitigation methods can remove or deplete additives 
• Cleaning chemicals can react with additives and degrade performance 

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🚨 REAL FIELD RISKS (NOT THEORY)

Let’s talk reality from plants:

❗ 1. FOAM & DEMULSIBILITY ISSUES

Residual chemicals:

• Increase surface activity
• Cause emulsions and foaming (POWER Magazine)

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❗ 2. FILTER OVERLOAD EVENTS

• Sudden varnish release
• Rapid ΔP increase
• Filter bypass risk

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❗ 3. FALSE IMPROVEMENT

After treatment:

• MPC ↓
• TAN ↓

BUT:

👉 Root oxidation still active
👉 Varnish precursors still present

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❗ 4. ADDITIVE PACKAGE DAMAGE

Even advanced varnish removal methods:

• Can strip additives from oil

👉 You solved one problem…
👉 You created another

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🧠 THE BIGGEST LIE IN THE INDUSTRY

❌ “Add this chemical and your varnish problem is gone”

Reality:

👉 You either:

• REMOVE degradation products
  OR
• KEEP RECIRCULATING THEM

There is NO third option.

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🔥 THE ROOT CAUSE (NEVER FORGET THIS)

Varnish is caused by:

• Oxidation
• Heat
• Air entrainment
• Microdieseling
• Water contamination (ResearchGate)

👉 Chemicals DO NOT eliminate these drivers.

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⚖️ WHEN Adding CHEMICAL for CLEANING MAKES SENSE

✔ During shutdown
✔ Before oil change
✔ For heavily contaminated systems
✔ With full flushing + monitoring

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❌ WHEN IT IS A BAD IDEA

🚫 Critical running units
🚫 Servo valve sensitive systems
🚫 No redundancy available

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🎯 THE ENGINEERING QUESTION YOU MUST ASK

Before accepting ANY chemical solution:

1. Does it remove soluble varnish permanently?
2. Does it remove insoluble deposits from surfaces?
3. Does it eliminate acid formation?
4. Does it preserve additive balance?
5. Does it work continuously—not temporarily?

👉 If not… it is NOT a solution.

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💡 FINAL MESSAGE

🔥 Varnish is not dirt.
🔥 It is chemistry failure.

And chemistry failure cannot be fixed 👉 by adding more chemicals.

Below is my view with 1.5 million views so far on this topic.

Link ==> https://youtu.be/AO4FHmq1Mf4?si=EwxMkjU0kBBkrp0T

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Khashayar Hajiahmad in LinkedIn

Khashayar Hajiahmad in YouTube