iindaba

Intshayelelo
I-Methyl tert-butyl ether (MTBE) yayikade ithathwa njengenxalenye yepetroli ene-octane eninzi engenakutshintshwa kwaye yayibizwa ngokuba "yi-petrochemical yesizukulwana sesithathu" ngeminyaka yoo-1980. Ngenxa yokuba inokunyusa umxholo weoksijini wepetroli engenalo i-lead, yenze ipetroli itshise ngokupheleleyo, inciphise ukukhutshwa kwezinto eziyingozi ezifana ne-carbon monoxide kunye ne-benzene, kwaye ingathatha indawo ye-tetraethyl lead njenge-anti-riot agent, ihlangabezana neemfuno zokuvelisa ipetroli engenalo i-octane eninzi. , okubangela ukuba imfuno yayo ikhule ngokukhawuleza, sisixhobo esifanelekileyo sokudibanisa ipetroli ene-octane ephezulu kwiChemicalbook. I-MTBE yinxalenye efanelekileyo yokuxuba ukuvelisa ipetroli engenalo i-lead, ene-octane eninzi, kunye ne-oxygenated. Ayinakunyusa kuphela inani le-octane yepetroli ngokufanelekileyo, kodwa ikwaphucula ukusebenza kwezithuthi, inciphise umxholo we-CO kwigesi yokukhupha umoya, kwaye inciphise iindleko zokuvelisa ipetroli. Ukongeza, i-methyl tert-butyl ether ikwayinto ebalulekileyo yekhemikhali eluhlaza, enokuphinda iqhekezwe ibe yi-isobutylene kwaye isetyenziswe njengezinto zokwenza irabha kunye nezinye iimveliso zekhemikhali. Kodwa okwangoku, i-MTBE ngokucacileyo iyanciphisa ukungasebenzi kakuhle.

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Iimpawu zomzimba nezekhemikhali:
I-Methyl tert-butyl ether, efinyeziweyo njenge-MTBE (methyltert-butylether), inomlinganiselo wokunyibilika we--109°C kunye nomlinganiselo wokubila we-55.2°C. Lulwelo olungenambala, olucacileyo, olune-octane eninzi olunevumba elifana ne-ether. Yenziwe i-Chemicalbook yinxalenye efanelekileyo yokuxuba ipetroli engenalo i-lead, ene-octane eninzi, ene-oxygen, kwaye isetyenziswa kakhulu njengesongezo sepetroli kwihlabathi liphela. Ayinakunyusa kuphela inani le-octane yepetroli ngokufanelekileyo, kodwa ikwaphucula ukusebenza kwezithuthi, inciphise umxholo we-CO kwigesi yokukhupha umoya, kwaye inciphise iindleko zokuvelisa ipetroli.
Ukusetyenziswa
I-Methyl tert-butyl ether (MTBE) isetyenziswa kakhulu njengesongezo sepetroli kwaye ineempawu ezintle kakhulu zokulwa nokukrwitshwa. Iyakwazi ukuxubana kakuhle nepetroli, ifunxa amanzi amancinci, kwaye ayingcolisi okusingqongileyo. I-MTBE inokuphucula iimpawu zokuqala ezibandayo kunye nokusebenza ngokukhawuleza kwepetroli ngaphandle kwemiphumo emibi ekutshixeni komphunga.

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Ixesha leposi: Julayi-16-2025