Acetonehe ʻano mea hoʻoheheʻe organik, i hoʻohana nui ʻia i nā ʻoihana like ʻole.He paʻakikī loa kāna kaʻina hana a koi i nā ʻano like ʻole a me nā ʻanuʻu hoʻomaʻemaʻe.Ma kēia ʻatikala, e nānā mākou i ke kaʻina hana o ka acetone mai nā mea maka i nā huahana.

 

ʻO ka mea mua, ʻo ka mea maka o ka acetone he benzene, i loaʻa mai ka aila a i ʻole ka lanahu tar.Hoʻopili ʻia ʻo Benzene me ka mahu i loko o kahi reactor wela kiʻekiʻe a me ke kaomi kiʻekiʻe e hana i kahi hui o cyclohexane a me benzene.Pono e hoʻokō ʻia kēia hopena ma kahi wela kiʻekiʻe o 300 degere Celsius a me ke kaomi kiʻekiʻe o 3000 psi.

 

Ma hope o ka hopena, hoʻomaha ʻia ka hui ʻana a hoʻokaʻawale ʻia i ʻelua ʻāpana: ka ʻaila ʻaila ma luna a me ka papa wai ma lalo.Aia i loko o ka papa aila ka cyclohexane, benzene a me nā mea ʻē aʻe, pono e hoʻomaʻemaʻe hou aʻe e loaʻa ai ka cyclohexane maʻemaʻe.

 

Ma ka ʻaoʻao ʻē aʻe, loaʻa i ka papa wai ka acetic acid a me ka cyclohexanol, ʻo ia hoʻi nā mea waiwai nui no ka hana ʻana o ka acetone.Ma kēia ʻanuʻu, hoʻokaʻawale ʻia ka ʻakika acetic a me ka cyclohexanol mai kekahi i kekahi e ka distillation.

 

Ma hope o ia mea, hui ʻia ka ʻakika acetic a me ka cyclohexanol me ka ʻakika sulfuric concentrated e hana i ka nui pane i loaʻa ka acetone.Pono e hoʻokō ʻia kēia hopena ma kahi wela kiʻekiʻe o 120 degere Celsius a me ke kaomi kiʻekiʻe o 200 psi.

 

ʻO ka hope, hoʻokaʻawale ʻia ka nui o ka hopena mai ka hui ʻana ma o ka distillation, a loaʻa ka acetone maʻemaʻe ma luna o ke kolamu.Hoʻopau kēia ʻanuʻu i nā koena haumia e like me ka wai a me ka acetic acid, e hōʻoia ana e hoʻokō ka acetone i nā kūlana ʻoihana.

 

I ka hopena, paʻakikī loa ke kaʻina hana o ka acetone a koi i ka mahana wela, ke kaomi a me nā hana hoʻomaʻemaʻe e loaʻa ai nā huahana kiʻekiʻe.Eia kekahi, loaʻa mai ka benzene makaʻala mai ka aila a i ʻole ka lanahu tar, he hopena koʻikoʻi i ke kaiapuni.No laila, pono mākou e koho i nā ala hoʻomau e hana ai i ka acetone a hōʻemi i kona hopena i ke kaiapuni e like me ka hiki.


Ka manawa hoʻouna: Jan-04-2024