Kev Taw Qhia

Methyl tert-butyl ether (MTBE) ib zaug tau suav hais tias yog ib qho khoom siv roj av uas muaj octane siab thiab tsis tuaj yeem hloov pauv tau thiab tau raug hu ua "petrochemical tiam thib peb" hauv xyoo 1980. Vim tias nws tuaj yeem ua rau cov pa oxygen ntawm cov roj av tsis muaj lead, ua rau cov roj av hlawv ntau dua, txo cov pa phem xws li carbon monoxide thiab benzene, thiab tuaj yeem hloov tetraethyl lead ua tus neeg sawv cev tiv thaiv kev tawm tsam, nws ua tau raws li qhov yuav tsum tau ua rau cov roj av tsis muaj lead uas muaj octane siab. , ua rau nws qhov kev thov kom loj hlob sai, nws yog ib qho khoom siv roj av uas muaj octane siab zoo tshaj plaws rau Chemicalbook. MTBE yog ib qho khoom sib xyaw zoo tshaj plaws rau kev tsim cov roj av uas tsis muaj lead, siab octane, thiab oxygenated. Nws tsis tsuas yog tuaj yeem ua rau cov roj av muaj octane ntau ntxiv, tab sis kuj txhim kho kev ua haujlwm ntawm lub tsheb, txo cov ntsiab lus CO hauv cov pa tawm, thiab txo cov nqi tsim roj av. Tsis tas li ntawd, methyl tert-butyl ether kuj yog ib qho khoom siv tshuaj lom neeg tseem ceeb, uas tuaj yeem rov tawg rau hauv isobutylene thiab siv ua cov khoom siv raw rau roj hmab thiab lwm yam khoom siv tshuaj. Tab sis tam sim no, MTBE pom tseeb tias txo qis peev xwm.

Cov khoom siv lub cev thiab tshuaj lom neeg:

Methyl tert-butyl ether, luv ua MTBE (methyltert-butylether), muaj lub ntsiab lus yaj ntawm -109 ° C thiab lub ntsiab lus kub ntawm 55.2 ° C. Nws yog cov kua tsis muaj xim, pob tshab, siab-octane nrog lub ntxhiab zoo li ether. Nws yog tsim los ntawm Chemicalbook yog ib qho khoom sib xyaw zoo tagnrho rau cov roj av tsis muaj lead, siab-octane, oxygenated, thiab tau siv dav ua cov roj av ntxiv thoob plaws ntiaj teb. Nws tsis tsuas yog ua kom cov lej octane ntawm roj av nce ntxiv, tab sis kuj txhim kho kev ua haujlwm ntawm lub tsheb, txo cov ntsiab lus CO hauv cov pa tso pa tawm, thiab txo cov nqi tsim roj av.

Kev Siv

Methyl tert-butyl ether (MTBE) feem ntau yog siv los ua cov roj av ntxiv thiab muaj cov khoom tiv thaiv zoo heev. Nws muaj kev sib xyaw zoo nrog roj av, nqus dej tsawg dua, thiab tsis ua rau ib puag ncig puas tsuaj. MTBE tuaj yeem txhim kho cov yam ntxwv pib txias thiab kev ua haujlwm nrawm ntawm roj av yam tsis muaj kev cuam tshuam tsis zoo rau kev xauv pa. Txawm hais tias methyl tert-butyl ether muaj tus nqi calorific qis, kev sim tsav tsheb tau ua pov thawj tias kev siv roj av uas muaj 10 Chemicalbook% MTBE tuaj yeem txo kev siv roj los ntawm 7% thiab txo qhov ntau ntawm cov hlau lead thiab CO hauv cov pa tawm, tshwj xeeb tshaj yog cov pa phem ntawm cov roj carbon monoxide polycyclic aromatic. txo qis. Ua ib qho khoom siv raw rau kev tsim cov organic, cov isobutylene siab-purity tuaj yeem tsim tau. Nws kuj tseem siv tau los tsim 2-methacrolein, methacrylic acid thiab isoprene, thiab lwm yam. Tsis tas li ntawd, nws kuj tseem siv tau ua cov tshuaj analytical thiab extraction agent.

Cov txheej txheem tsim khoom siv cov butene sib xyaw thiab methanol ua cov khoom siv raw, thiab ua cov tshuaj exothermic nyob rau hauv qhov muaj cov tshuaj catalyst acidic.

Cov Ntaub Ntawv Tiv Tauj

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