Acetonendi mtundu wa zosungunulira zachilengedwe, zomwe zimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana. Njira zake zopanga ndizovuta kwambiri ndipo zimafunikira zochita zosiyanasiyana zoyeretsa. Munkhaniyi, tidzakambirana za Acetone kuchokera ku zopangira ku zinthu zina.

 

Choyamba, zopangira za acetone ndi benzene, zomwe zimapezeka ku mafuta kapena phula la malasha. Benzene amakhala ndi nthunzi yotentha kwambiri komanso yokwera kwambiri kuti mupange chisakanizo cha cyclohexane ndi benzene. Izi zikufunika kuchitika kutentha kwambiri kwa madigiri 300 Celsius ndi kukakamizidwa kwakukulu kwa 3000 PSI.

 

Pambuyo pochita, osakaniza amakhazikika pansi ndikulekanitsidwa m'magawo awiri: mafuta ophatikizika pamwamba ndi madzi osanjikiza pansi. Dini la mafuta lili ndi cyclohexane, benzene ndi zinthu zina, zomwe zimafunikira kuyeretsa kwinanso kuti mupeze cyclohexane yoyera.

 

Kumbali inayo, madzi osanjikiza ali ndi acetic acid ndi cyclohexhexanol, omwenso amafunikiranso zida zopangira acetone. Mu sitepe iyi, acetic acid ndi cyclohexnol amalekanitsidwa wina ndi mnzake ndi distillation.

 

Pambuyo pake, acetic acid ndi cyclohexnol amasakanikirana ndi sulufu ya sulfuric acid kuti apange chisokonezo chokhala ndi acetone. Izi zikufunika kuchitika kutentha kwambiri kwa madigiri 120 Celsius ndi kukakamizidwa kwakukulu kwa 200 PSI.

 

Pomaliza, zomwe zimachitika zimasiyana ndi kusakaniza ndi distillation, ndipo acetone amapezeka pamwamba pa mzati. Gawo ili limachotsa zosanja zotsalira monga madzi ndi acetic acid, kuonetsetsa kuti acetone imakumana ndi miyezo ya mafakitale.

 

Pomaliza, kupanga kwa Acetone ndikovuta kwambiri ndipo kumafuna kuti kutentha msanga, kupanikizika ndi kuyeretsa njira zopezera zinthu zapamwamba. Kuphatikiza apo, mawonekedwe a benzene amapezekanso kuchokera ku mafuta kapena phula la malasha, omwe amakhudzanso chilengedwe. Chifukwa chake, tiyenera kusankha njira zokhazikika zopangira acetone ndikuchepetsa zomwe zingachitike.


Post Nthawi: Jan-04-2024