STANDARDS FOR USE OF USED OIL IN ENERGY GENERATION
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Parameters Fuel equipment Other fuel equipment
whose capacity
is greater than
10 MW
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Maximum concentration allowed (mg/kg)*
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Arsenic 5 5
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Cadmium 2 2
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Chromium 10 10
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Lead 100 50
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Total
halogens 1 500 1 000
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Polychlo-
rinated
biphenyls 50 3
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Mimimum value allowed
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Flash point 38 ºC 38 ºC
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Calorific value** 18,500 kJ/kg 18,500 kJ/kg
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Total content allowed
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Water*** 20% 20%
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Sulphur**** 1.5% 1.5%
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* Maximum concentration allowed is expressed in mg of contaminant per kg of used oil.
** Minimum calorific value is expressed in kJ/kg of used oil.
*** Maximum water content is expressed in percentage volume/volume (%).
**** Maximum sulphur content is expressed in percentage mass/mass (%).