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 (bĕn′zō-pī′rēn′, -pī-rēn′)
Either of two polycyclic aromatic hydrocarbons with the formula C20H12, found in coal tar and cigarette smoke and isolatable as a white or yellow crystalline solid. Both are hazardous, and one is known to be a potent carcinogen. Also called benzpyrene.


(ˌbɛn zoʊˈpaɪ rin, -paɪˈrin)

a yellow, crystalline, aromatic hydrocarbon, C20H12, produced by incomplete combustion of organic material, as coal, petroleum, or tobacco.
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RUSAL also programs to get over USD 6 million in a venture to enhance the closing of its pitch storage tanks and heaters at KrAZ as well as considerably decreasing benzapyrene and tar pollutants during the anodepaste manufacturing procedure.
RUSAL also envisages to invest over USD 6 million in a project to improve sealing of its pitch storage tanks and furnaces at KrAZ and dramatically reduce benzapyrene and tar emissions during the anode paste production process.