Nhanganyaya

Methyl tert-butyl ether (MTBE) yaimboonekwa sechinhu chisingatsiviwi nemafuta ane octane yakawanda uye yainzi "chizvarwa chechitatu chepetrochemical" muma1980. Nekuti inogona kuwedzera huwandu hweokisijeni hwemafuta asina lead, kuita kuti mafuta apise zvizere, kuderedza kuburitswa kwezvinhu zvinokuvadza zvakaita secarbon monoxide nebenzene, uye inogona kutsiva tetraethyl lead semushonga wekurwisa mhirizhonga, inosangana nezvinodiwa zvekugadzira mafuta asina lead ane octane yakawanda. , zvichiita kuti kudiwa kwayo kukurumidze kukura, chinhu chakakodzera chemafuta ane octane yakawanda cheChemicalbook. MTBE chinhu chakakodzera chekubatanidza mafuta ekugadzira mafuta asina lead, ane octane yakawanda, uye ane oxygen. Haingogone chete kuwedzera huwandu hweoctane yemafuta, asiwo kuvandudza mashandiro emotokari, kuderedza huwandu hweCO mugasi remhepo, uye kuderedza mari yekugadzira mafuta. Pamusoro pezvo, methyl tert-butyl ether chinhu chakakosha chemakemikari, chinogona kupatsanurwa kuita isobutylene uye kushandiswa sezvinhu zverabha nezvimwe zvigadzirwa zvemakemikari. Asi pari zvino, zviri pachena kuti MTBE iri kuderedza simba remagetsi.

Hunhu hwemuviri uye hwemakemikari:

Methyl tert-butyl ether, yakapfupikiswa seMTBE (methyltert-butylether), ine poindi yekunyunguduka ye -109°C uye poindi yekufashaira ye55.2°C. Imvura isina ruvara, inoonekera, ine octane yakawanda ine hwema hwakaita seether. Inogadzirwa Chemicalbook chinhu chakanakira kusanganisa peturu isina lead, ine octane yakawanda, uye yakashandiswa zvakanyanya sekuwedzera peturu pasi rese. Haingogone chete kuwedzera huwandu hweoctane yepeturu, asiwo kuvandudza mashandiro emotokari, kuderedza huwandu hweCO mumhepo inobuda, uye kuderedza mari yekugadzira peturu.

Kushandiswa

Methyl tert-butyl ether (MTBE) inonyanya kushandiswa sechinhu chinowedzera peturu uye ine hunhu hwakanaka hwekudzivirira kugogodza. Inokwanisa kusangana zvakanaka nepeturu, inonwisa mvura shoma, uye haisvibisi nharaunda. MTBE inogona kuvandudza hunhu hwekutanga kwepeturu nekukurumidzisa pasina mhedzisiro yakaipa pakukiya kwevapori. Kunyangwe methyl tert-butyl ether ine kukosha kwakaderera kwekalorific, bvunzo dzekutyaira dzakaratidza kuti kushandisa peturu ine 10 Chemicalbook% MTBE kunogona kuderedza kushandiswa kwemafuta ne7% uye kuderedza zvakanyanya huwandu hwelead neCO mugasi remhepo, kunyanya kuburitswa kwecarcinogenic polycyclic aromatic hydrocarbons. Kuderedza. Sezvinhu zvekugadzira organic, isobutylene ine hutsanana hwakanyanya inogona kugadzirwa. Inogona zvakare kushandiswa kugadzira 2-methacrolein, methacrylic acid uye isoprene, nezvimwewo. Pamusoro pezvo, inogona zvakare kushandiswa semushonga wekuongorora uye wekubvisa.

Nzira yekugadzira iyi inoshandisa butene yakasanganiswa nemethanol sezvinhu zvakagadziriswa, uye inoita exothermic reaction kana paine acidic catalyst.

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