Hka hte n san seng ai hka htung ni hta lawm ai gaw, hpaga lam hta n kaja ai lam ni rai nna, dai ni hpe zeolite molecular sieves hku nna shaw kau ra ai, dai hpe hka htung hpe hkyet kau ai (sh) hka htung hpe tsi lajang ai ngu shamying ma ai. Shanhte a hkrak tup ai pore sizes hte chemical stability ni a majaw, molecular sieves ni gaw galai shai n mai ai hte grai kaja ai arung arai ni tai wa sai, grau nna fine chemical hte tsi hpaga lam ni hta.
Solvent hte tsi lajang ai hta byin chye ai manghkang ni
Hpaga lam hta lang ai hka htung ni hta hka law law (law dik htum byin ai hte grau nna n-gun ja ai), acid (sh) alkaline rawng ai arung arai ni, hka htung n-gun rawng ai arung arai ni, hka htung hpe bai gram lajang ngut ai hpang shang wa ai n san seng ai nbung (carbon dioxide, nitrogen, hte hydrocarbons) zawn re ai n san seng ai arung arai ni law law lawm chye ai.
Ndai hka hte n san seng ai arung arai ni a majaw bungli galaw ai lam ni hta hkra machyi ai lam ni gaw (dai hta sha n-ga): chemical reaction ni hpe pat shingdang ai, arung arai ni a arawn alai ni hpe jahten sharun ai, grup yin hte hkamja lam hpe hkra machyi shangun ai. Dai majaw, shanhte hpe yeng seng kau ra ai, galaw ra ai lam ni hpe myit dik hkra galaw na matu, hte, arung arai a hkam kaja lam hte hka ja ai hpe bai jai lang ai lam hta hkra machyi ai lam ni hpe koi gam na matu.
Hpa Majaw Molecular Sieve hpe n mai galai shai ai kun?
Efficiency: Molecular sieves ni gaw grai tsaw ai hka hpe hkap la lu ai atsam hte hka hpe hkap la lu ai atsam nga ai majaw, aten kadun laman hta hka hpe hka lim ai baw ni kaw na hka hpe atsawm sha shapraw kau lu nna, dai hku nna hka lim ai lam hpe grau kaja hkra galaw lu ai.
Selectivity: Molecular sieves ni gaw n san seng ai molecule ni hpe lata la nna hkap la nna, hka hta lawm ai kaga daw ni hpe grai n hkra ai. Ndai lata la ai hkap la ai atsam gaw, molecular sieves ni hpe solvent hpe tsi lajang ai lam hta laklai ai akyu ni jaw ya ai.
Stability: Kaja dik htum ai hka hpe hkap la ai arung arai langai hku nna, molecular sieves ni gaw thermal stability hte chemical stability hpe grai tsaw ai hku madun dan nna, bungli galaw ai masa amyu myu hte kinetic masa amyu myu a npu e ngang grin ai hka hpe hkam la lu ai atsam hpe matut manoi tawn da lu ai.
Renewability: Molecular sieves gaw grup yin hpe n hkra ai arung arai langai rai nna, shanhte a adsorption performance hpe bai gram lajang ai ladat hku nna bai gram lajang lu ai majaw, bai gram lajang lu ai majaw sut masa manu jahpu hpe mung shayawm lu ai.
Hka lum ai tsi hpe tsi lajang na matu Molecular Sieves
3A amyu Zeolite Molecular Sieve: Ethanol, Methanol, Acetone, DMF, THF zawn re ai n-gun kaji ai polar n-gun dat ni hpe hkyet kau na matu htuk manu ai rai nna, Acetonitrile hte 2-propanol zawn re ai n-gun dat ni hpe mung hkyet kau na matu htuk manu ai.
4A amyu Zeolite Molecular Sieve: N-gun ja ai hkam la lu ai atsam nga ai, law malawng lang ai hte manu-htuk manu ai desiccant langai mi re. Chloroform, dichloromethane, ether, ethane hte kaga n-gun n rawng ai n-gun rawng ai n-gun rawng ai hka htung ni hpe hkyet kau na matu htuk manu ai.
5A amyu Zeolite Molecular Sieve: Hka, carbon dioxide, hydrogen sulfide, linear alkane zawn re ai n-gun kaji ni hpe hkap la lu ai. Dai gaw kayau kaya ai ntsin ni hpe tsi lajang na matu, polar n san seng ai hpe shapraw kau na matu, hydrocarbon ni hpe garan ginhka na matu htuk manu ai.
13x Zeolite Molecular Sieve amyu: Pore size kaba nna, hka hpe hkap la lu ai atsam grau law ai, polar hte non-polar solvent tsi lajang na matu mung htuk manu ai. Aromatic hte alkanes zawn re ai hka hte n san seng ai hka hpe shapraw kau na matu grai lang ai.