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method for reducing the polycyclic aromatic hydrocarbon (pahs) content in a used lubricant composition and method for preparing a lubricant composition
method for reducing the polycyclic aromatic hydrocarbon (pahs) content in a used lubricant composition and method for preparing a lubricant composition
The invention relates to a method for reducing the polycyclic aromatic hydrocarbon (pah) content in a used lubricant composition, wherein said used lubricant composition passes over activated carbon, wherein said method does not comprise a solvent extraction step. .
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