Oil sludge
Oil sludge or black sludge is a gel-like or semi-solid deposit inside an internal combustion engine, that can create a catastrophic buildup. It is often the result of contaminated engine oil and occurs when moisture and/or high heat is introduced to engine oil.
Causes
Oil sludge may occur due to a variety of different factors. Some of the most common causes are:
- Defective crankcase ventilation system
- Oil/coolant contamination
- Neglecting oil changes
- Low oil level
- Poor engine design
Precautions
Oil sludge is generally preventable through frequent oil changes at manufacturer specified intervals, however, while uncommon, some engines do have a tendency to build up more sludge than others.
References
External links
- burn oil sludge utilization
- Installation for saving of heavy fuel on boilers,utilization of condensate water and heavy residuals of fuel in tankfarm waste oil residues and oiled condensate water in ports and tank farms
- sludge - dispersion and utilisation as fuel
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