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naphthene
(redirected from naphthenic)

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naphthene [′naf‚thēn]
(organic chemistry)
Any of the cycloparaffin derivatives of cyclopentane (C5H10) or cyclohexane (C6H12) found in crude petroleum.
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The most toxic of these are a mixture of compounds known as naphthenic acids that are resistant to breakdown and persist as pollutants in the water used to extract the oils and tar.
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All run on ammonia and use naphthenic base mineral oil (ISO-VG46 or ISO-VG68) as lubricants.
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Its naphtha output consists of naphthenic grades suitable for re-formulation into gasoline.
Algeria - Hassi Messaoud I & II by APS Review Downstream Trends
 
 
 
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