Isingeniso
I-Methyl tert-butyl ether (MTBE) yake yabhekwa njengengxenye kaphethiloli ene-octane ephezulu engenakufakwa esikhundleni futhi yayibizwa ngokuthi “i-petrochemical yesizukulwane sesithathu” ngawo-1980. Ngenxa yokuthi ingakhuphula okuqukethwe komoya-mpilo kukaphethiloli ongena-lead, yenze uphethiloli ushise ngokugcwele, inciphise ukukhishwa kwezinto eziyingozi njenge-carbon monoxide ne-benzene, futhi ingathatha indawo ye-tetraethyl lead njenge-anti-riot agent, ihlangabezana nezidingo zokukhiqiza uphethiloli ongena-lead ophezulu one-octane. , okwenza isidingo sayo sikhule ngokushesha, iyisengezo sikaphethiloli esine-octane ephezulu se-Chemicalbook. I-MTBE iyingxenye efanelekile yokuxuba uphethiloli ongena-lead, one-octane ephezulu, kanye nophethiloli one-oxygen. Ayikwazi nje ukwandisa inani le-octane likaphethiloli ngempumelelo, kodwa futhi ithuthukise ukusebenza kwezimoto, inciphise okuqukethwe kwe-CO kugesi yokukhipha umoya, futhi inciphise izindleko zokukhiqiza uphethiloli. Ngaphezu kwalokho, i-methyl tert-butyl ether nayo iyinto ebalulekile yamakhemikhali eluhlaza, engaphinde iqhekeke ibe yi-isobutylene futhi isetshenziswe njengezinto zokusetshenziswa zerabha neminye imikhiqizo yamakhemikhali. Kodwa okwamanje, i-MTBE inciphisa ukukhubazeka ngokusobala.

Izakhiwo zomzimba nezamakhemikhali:
I-Methyl tert-butyl ether, efushaniswe ngokuthi i-MTBE (methyltert-butylether), inezinga lokuncibilika elingu--109°C kanye nezinga lokubila elingu-55.2°C. Iwuketshezi olungenambala, olusobala, olune-octane ephezulu olunephunga elifana ne-ether. Ikhiqizwa i-Chemicalbook iyisakhi esifanelekile sokuxuba uphethiloli ongenalo i-lead, one-octane ephezulu, one-oxygen, futhi isetshenziswe kabanzi njengesithasiselo sikaphethiloli emhlabeni wonke. Ayikwazi nje kuphela ukwandisa inani le-octane likaphethiloli ngempumelelo, kodwa futhi ithuthukise ukusebenza kwezimoto, inciphise okuqukethwe yi-CO kugesi yokukhipha umoya, futhi inciphise izindleko zokukhiqiza uphethiloli.
Ukusetshenziswa
I-Methyl tert-butyl ether (MTBE) isetshenziswa kakhulu njengesithasiselo sikaphethiloli futhi inezakhiwo ezinhle kakhulu zokulwa nokungqongqoza. Iyakwazi ukuxubana kahle nophethiloli, imunca amanzi amancane, futhi ayingcolisi imvelo. I-MTBE ingathuthukisa izici zokuqala ezibandayo kanye nokusebenza kokusheshisa kukaphethiloli ngaphandle kwemiphumela emibi ekuvalekeni komusi.

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