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CALF-20 Powder Metal Organic Frameworks (MOFs)

CAS: 2589928-73-2 Nr

Calgary moj khaum 20 (CALF-20) yog tsim los ntawm zinc ion (Zn2+) raws li cov hlau ion qhov chaw thiab oxalate ion (Ox2-) thiab 1,2,4-triazolate (Tri) raws li cov organic ligands, qhia raws li [Zn2Peb2Ox]. CALF-20 muaj CO2Lub peev xwm adsorption vim qhov kev sib cuam tshuam zoo nkauj ntawm CO2thiab MOF structure.

    Qauv nab npawb

    KAR-F33

    Khoom npe

    KEV-20

    Particle loj

    1 ~ 5 m

    Qhov chaw tshwj xeeb

    ≥400 ㎡ / g

    Pore ​​loj

    0.3 ~ 0.5 nm

    CALF-20 muaj CO2Lub peev xwm adsorption vim qhov kev sib cuam tshuam zoo nkauj ntawm CO2thiab MOF structure. Cov kev tshawb fawb yav dhau los tau tshaj tawm tias CALF-20 nthuav tawm cov kev xaiv zoo rau CO2/N2tshuab. Tsis tas li ntawd, CALF-20 qhia qis H2O chaw thau khoom ntawm cov av noo qis piv rau zeolite 13X, uas tau siv los ua CO2adsorbent nyob rau hauv industrial teb tab sis adsorbs loj H2O hauv qhov pores.KAR-F33 Calf-20

    Yog li ntawd, CALF-20 yuav tsum hloov zeolites hauv adsorbing CO2txawm nyob hauv lub xub ntiag H2O vim hais tias cov pa hluav taws xob tawm los ntawm cov chaw tsim hluav taws xob thiab cov cua hauv huab cua uas muaj cov dej noo txo ​​CO2adsorption kev ua tau zoo ntawm adsorbents. Tsis tas li ntawd, nthuav, ib tsab ntawv tshaj tawm yav dhau los tau hais tias cov qauv siv lead ua ntawm CALF-20 hloov pauv nrog qhov nce ntawm cov av noo. Oxalate ligands hloov los ntawm bis-bidentate mus rau monodentate thiab tom qab ntawd qhov kev ncua deb ntawm zinc ion thiab oxygen constituting oxalate nce ntawm 2.20 mus rau 2.31 Å.

    Ntawm qhov tod tes, nws tau raug tshawb xyuas qhov kev ua tau zoo ntawm Xe adsorption ntawm CALF-20 thiab qhia tias CALF-20 tau pom zoo Xe kev xaiv xaiv rau Xe / Kr thiab Xe / N.2systems vim van der Waals kev sib cuam tshuam ntawm Xe thiab CH pawg ntawm 1,2,4-triazolate. Tsis tas li ntawd, CALF-20 tau nthuav tawm kev ua haujlwm siab adsorption rau SO2thiab Cl2, uas muaj loj van der Waals nto interacting nrog MOF nto, nyob rau sab tsis tshua muaj siab. Ntawm qhov tod tes, cov kws tshawb fawb tau tshaj tawm tias CALF-20 tau pom tias muaj kev txo qis hauv electrochemical ntawm CO2rau CO vim qhov kev hloov pauv hloov pauv ntawm oxalate thiab triazolate ua CALF-20. Muab cov ntawv ceeb toom, CALF-20 muaj peev xwm siv tau rau cov pa roj adsorbents thiab catalysts rau CO2txo cov tshuaj tiv thaiv.

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