Risks of Processing Waste Engine Oil at 

500 °C

Using extremely high temperatures in waste motor oil recycling processes introduces significant risks. Operating at around 500 °C poses major hazards to both the environment and human health.

🔥 Extremely High Risk of Explosion and Fire

• 500 °C means an environment filled with oil vapors and flammable gases.
  

• Gas leaks, air mixtures, or flame flashback → potential for explosions.
  

• In poorly designed small or medium-sized facilities, fatal accidents are possible.

💸 Very High Energy Consumption

• Heating from 20–25 °C up to 500 °C requires 5–6 times more energy per ton.
  

• Continuously running burners lead to high fuel, electricity, and heat costs.
  

• If there is no heat recovery or exchanger system, profits are rapidly consumed.

🏗️ High Investment Cost and Difficult Operation

• Requires thick-walled, pressure- and heat-resistant reactors;

• Powerful mixers, gas/condensation lines, safety devices, flame arrestors, gas analyzers...

• For a small or medium-sized enterprise, both investment and operating costs are very heavy.

🧪 Difficult Product Quality Control

• At 500 °C, hydrocarbon chains are cracked, the viscosity index of base oil drops, and molecules become shorter. 

• Therefore, it is difficult to obtain "high-quality base oil" again; the product is mostly usable as fuel oil.
  

• To achieve consistent lube base oil quality, additional hydro-treatment, hydrogen, and catalysts are required.

🌍 High Environmental and Licensing Pressure

• Pyrolysis gases, odors, and emissions are problematic.

• Tar and heavy-metal solid residues (char, sludge) create environmental concerns.
  

• Environmental permits, flue-gas testing, and continuous inspections increase bureaucracy and operational risk.

Advantages of Processing Waste Engine Oil at 50–95 °C

Recycling used motor oil is an important process for environmental sustainability. Operating within the 50–95 °C temperature range during this process provides numerous advantages.

🧯  Very Low Explosion Risk

• 50–95 °C is a "sub-boiling safe zone" for oil.

• With proper ventilation and a closed system, the probability of fire or explosion is extremely low.
  

• This makes it safer for small and medium-sized enterprises (SMEs) and comparatively easier to obtain insurance and operational permits.

⚡ Very Low Energy Consumption

• There is a huge difference between heating from 20–25 °C to 50–95 °C and heating up to 500 °C.

• When energy consumption per ton is calculated, the heating cost is far lower. 

• For small businesses, this creates a visible difference in operating expenses. 

⚙️ Simple and Inexpensive Equipment

• For 50–95 °C operations, an ordinary carbon-steel tank, a basic mixer, and a simple heating jacket are sufficient.

• No heavy-pressure reactor, high-temperature alloy, or costly engineering setup is required.

• Maintenance is easy, and operator training is relatively simple.

🛢️ Base-Oil Molecular Structure Is Preserved

• Because the hydrocarbon chains are not cracked, the "base-oil" characteristics remain intact.
  

• This allows re-blending with proper additives to produce motor or hydraulic oils again.

• It provides a major advantage for achieving re-refined base oil (RBO) quality.

♻️ Environmentally Controlled, Minimal Sludge and Odor

• An acid + clay sludge is produced, but it can be controlled.
  

• With a well-designed system, the sludge can be stabilized similarly to spent filter clay.

• Since no flue gas or pyrolysis gas is generated, the facility is not treated as an "incineration plant" under environmental regulations, which simplifies the licensing process.

WASTE ENGINE OIL CLEANING FORMULA

(Cleanses all dirt!)

We have KITs available. By following the steps in the user guide, you can refine your oil with accurate results.

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REFINED MOTOR OIL

(100%)