Okwu Mmalite

A na-ewerebu Methyl tert-butyl ether (MTBE) dị ka ihe na-anaghị agbanwe agbanwe nke nwere mmanụ ụgbọala dị elu nke a na-apụghị ịgbanwe agbanwe, a na-akpọkwa ya "petrochemical ọgbọ nke atọ" na afọ 1980. N'ihi na ọ nwere ike ime ka ikuku oxygen dị na mmanụ ụgbọala na-enweghị lead dịkwuo elu, mee ka mmanụ ụgbọala na-ere ọkụ nke ọma, belata mwepụta nke ihe ndị na-emerụ ahụ dị ka carbon monoxide na benzene, ma nwee ike dochie tetraethyl lead dị ka ihe na-egbochi ọgba aghara, ọ na-emezu ihe achọrọ maka imepụta mmanụ ụgbọala na-enweghị lead dị elu nke nwere mmanụ ụgbọala. MTBE bụ ihe ngwakọta zuru oke maka imepụta mmanụ ụgbọala na-enweghị lead, nke nwere mmanụ ụgbọala dị elu, na nke nwere oxygen. Ọ bụghị naanị na ọ nwere ike ịbawanye ọnụọgụ mmanụ ụgbọala octane nke ọma, kamakwa ọ na-eme ka arụmọrụ ụgbọ ala ka mma, belata ọdịnaya CO na gas ikuku, ma belata ọnụ ahịa mmepụta mmanụ ụgbọala. Na mgbakwunye, methyl tert-butyl ether bụkwa ihe dị mkpa maka kemịkalụ, nke enwere ike ịgbawa ọzọ ka ọ bụrụ isobutylene ma jiri ya dị ka ihe eji emepụta rọba na ngwaahịa kemịkalụ ndị ọzọ. Mana ugbua, MTBE na-ebelata ikike ịkpụcha ihe.

Njirimara anụ ahụ na kemịkalụ:

Methyl tert-butyl ether, nke a kpọrọ MTBE (methyltert-butylether), nwere ebe agbaze nke -109°C na ebe esi mmiri nke 55.2°C. Ọ bụ mmiri mmiri na-enweghị agba, doro anya, nke nwere isi dị ka ether. Emepụtara ya Chemicalbook bụ ihe dị mma maka ngwakọta mmanụ ụgbọala na-enweghị lead, nke nwere oke octane, nke nwere oxygen, a na-ejikwa ya nke ukwuu dị ka ihe mgbakwunye mmanụ ụgbọala n'ụwa niile. Ọ bụghị naanị na ọ nwere ike ịbawanye ọnụọgụ octane nke mmanụ ụgbọala nke ọma, kamakwa ọ na-eme ka arụmọrụ ụgbọ ala ka mma, belata ọdịnaya CO na gas ikuku, ma belata ọnụ ahịa mmepụta mmanụ ụgbọala.

Ojiji

A na-ejikarị Methyl tert-butyl ether (MTBE) eme ihe dị ka ihe mgbakwunye mmanụ ụgbọala ma nwee ezigbo ihe mgbochi ịkụ aka. Ọ nwere ezigbo ike ịgbagharị na mmanụ ụgbọala, na-amịkọrọ obere mmiri, ọ naghịkwa emerụ gburugburu ebe obibi ahụ. MTBE nwere ike imeziwanye njirimara mmalite oyi na arụmọrụ ngwa ngwa nke mmanụ ụgbọala na-enweghị mmetụta ọjọọ na mkpọchi uzuoku. Ọ bụ ezie na methyl tert-butyl ether nwere obere kalori, ule ịnya ụgbọala egosila na iji mmanụ ụgbọala nwere 10 Chemicalbook% MTBE nwere ike ibelata oriri mmanụ ụgbọala site na 7% ma belata oke lead na CO na gas ikuku, ọkachasị mwepụta nke carcinogenic polycyclic aromatic hydrocarbons. belata. Dịka ihe eji emepụta organic, enwere ike ịmepụta isobutylene dị ọcha nke ukwuu. Enwere ike iji ya mepụta 2-methacrolein, methacrylic acid na isoprene, wdg. Na mgbakwunye, enwere ike iji ya dị ka ihe mgbaze nyocha na ihe na-ewepụta ihe.

Usoro mmepụta a na-eji butene na methanol agwakọtara agwakọta dị ka ihe eji emepụta ihe, ma na-eme mmeghachi omume exothermic n'ihu ihe na-akpali acidic.

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