Acetoneimvura isina ruvara, inoputika uye inonhuwa zvakasimba.Inoshandiswa zvakanyanya mumabhizimisi akasiyana-siyana, akadai semishonga, petroleum, kemikari, etc. Acetone inogona kushandiswa sechinhu chinogadziriswa, chekuchenesa, chidimbu, pende yakaonda, nezvimwewo Muchikamu chino, tichazivisa kugadzirwa kweacetone.

Acetone dhiramu kuchengetedza 

 

Kugadzirwa kweacetone kunonyanya kusanganisira matanho maviri: danho rekutanga ndere kubudisa acetone kubva kuacetic acid nekuderedza kuderedza, uye danho rechipiri nderekuparadzanisa uye kuchenesa acetone.

 

Munhanho yekutanga, acetic acid inoshandiswa seyakabikwa, uye catalyst inoshandiswa kuita catalytic kuderedza kuita kuti uwane acetone.Izvo zvinowanzo shandiswa zvinokonzeresa i zinc powder, iron powder, etc. The reaction formula ndeyotevera: CH3COOH + H2CH3COCH3.The reaction tembiricha ndeye 150-250, uye iyo reaction pressure ndeye 1-5 MPa.Iyo zinc poda uye iron poda inogadzirwazve mushure mekuita uye inogona kushandiswa kakawanda.

 

Muchikamu chechipiri, musanganiswa une acetone unoparadzaniswa uye unocheneswa.Kune nzira dzakawanda dzekuparadzanisa uye kuchenesa acetone, senge distillation nzira, absorption method, extraction method, etc. Pakati pavo, distillation nzira ndiyo inonyanya kushandiswa nzira.Iyi nzira inoshandisa mapoinzi akasiyana ekuvira ezvinhu kuti azviparadzanise ne distillation.Acetone ine yakaderera kubikira poindi uye yakakwira mhute pressure.Naizvozvo, inogona kupatsanurwa kubva kune zvimwe zvinhu ne distillation pasi penzvimbo yakakwira vacuum pane tembiricha yakaderera.Iyo acetone yakapatsanurwa inozotumirwa kune inotevera nzira yekuwedzera kurapwa.

 

Muchidimbu, kugadzirwa kweacetone kunosanganisira matanho maviri: catalytic kuderedzwa kweacetic acid kuwana acetone uye kupatsanurwa uye kucheneswa kweacetone.Acetone yakakosha kemikari mbishi zvinhu mu petroleum, makemikari, mushonga uye mamwe maindasitiri.Iine huwandu hwakawanda hwekushandisa muminda yeindasitiri uye hupenyu.Pamusoro penzira dziri pamusoro apa, kune dzimwe nzira dzekugadzira acetone, senge nzira yekuvirisa uye nzira yehydrogenation.Idzi nzira dzine maitiro avo uye zvakanakira mumashandisirwo akasiyana.


Nguva yekutumira: Zvita-18-2023