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Cumene: Benzene and Propylene over Solid Phosphoric Acid
Léwu
Charlie

Ṣẹ́dá nipasẹ̀

Charlie

20. Oṣù Kẹwà 2026DE
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Cumene: Benzene and Propylene over Solid Phosphoric Acid

Cumene (isopropylbenzene) is benzene with an isopropyl group, made by joining benzene and propylene. Ipatieff and Schaad of UOP (US 2,382,318, 1945) pass the two with plenty of benzene over 'solid phosphoric acid', a calcined paste of phosphoric acid and diatomaceous earth, at about 280 °C and 100 psi. The product needs no washing: it goes straight to distillation, and the spare benzene and propylene go round again. The picture: our diagram.
Ilọsíwájú
Continuous

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Ìtọ́nisọ́nà yìí ń ṣe

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Cumene

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Ethylene by Steam Cracking of Naphtha

Ethylene by Steam Cracking of Naphtha

láti ọwọ́ CharlieDE

Ti Ilé-iṣẹ́

10
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Phosphoric Acid from Burned Phosphorus: the Thermal Process
Léwu

Phosphoric Acid from Burned Phosphorus: the Thermal Process

láti ọwọ́ CharlieDE

Inorganic

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