Qhov sib txawv tseem ceeb ntawm hydrogenation thiab hydrogenolysis yog tias hydrogenation suav nrog qhov sib ntxiv ntawm hydrogen yam tsis muaj kev sib cais ntawm daim ntawv cog lus, whereas hydrogenolysis suav nrog ntxiv ntawm hydrogen nrog kev sib cais ntawm daim ntawv cog lus.
Ob lub hydrogenation thiab hydrogenolysis yog cov txheej txheem tseem ceeb hauv kev lag luam zaub mov thiab kev lag luam petrochemical.
Y Hydrogenation yog dab tsi?
Hydrogenation yog tshuaj lom neeg cov tshuaj tiv thaiv uas hydrogen gas ntxiv rau cov organic compound. Tsis tas li ntawd, cov txheej txheem no feem ntau cuam tshuam nrog kev tsim cov ntawv cog lus. Tsis tas li ntawd, qhov tshuaj tiv thaiv no feem ntau xav tau cov khoom siv hluav taws xob xws li npib tsib xee, platinum lossis palladium. Ntxiv mus, cov txheej txheem hydrogenation tseem ceeb heev nyob rau hauv saturating organic compounds.
Daim duab 01: Txheej txheem ntawm Hydrogenation hauv peb kauj ruam
Tsis tas li ntawd, cov tshuaj tiv thaiv muaj xws li kev sib ntxiv ntawm ob khub ntawm hydrogen atoms rau ib lub molecule ntawm qhov chaw ntawm lub catalyst. Feem ntau, cov reactants rau cov tshuaj tiv thaiv no yog alkenes (unsaturated compounds muaj ob daim ntawv cog lus ntawm carbon atoms). Ntxiv mus, rau qhov ruaj khov hydrogenation cov tshuaj tiv thaiv, peb xav tau catalysts. Txawm li cas los xij, yog tias tsis muaj catalyst, peb yuav tsum tau muab qhov kub thiab txias heev rau cov tshuaj tiv thaiv mus ntxiv.
YHydrogenolysis yog dab tsi?
Hydrogenolysis yog tshuaj lom neeg cov tshuaj tiv thaiv uas cov tshuaj tiv thaiv tau raug tshem tawm los ntawm hydrogen gas molecules. Tsis tas li ntawd, cov txheej txheem no suav nrog kev sib cais ntawm C-C daim ntawv cog lus thiab C-heteroatom daim ntawv cog lus.
Daim duab 02: Hydrogenolysis ntawm Benzyl Ester
Ntawm no, cov heteroatom feem ntau yog cov pa oxygen, sulfur, nitrogen thiab lwm yam. Cov tshuaj tiv thaiv no tseem xav tau cov catalysts xws li palladium, Raney hlau xws li Raney nickel, thiab lwm yam.
Qhov txawv ntawm Hydrogenation thiab Hydrogenolysis yog dab tsi?
Qhov sib txawv tseem ceeb ntawm hydrogenation thiab hydrogenolysis yog tias hydrogenation suav nrog kev sib ntxiv ntawm hydrogen yam tsis muaj kev sib cais ntawm daim ntawv cog lus, whereas hydrogenolysis suav nrog ntxiv ntawm hydrogen nrog kev sib cais ntawm daim ntawv cog lus. Hydrogenation tshwm sim los ntawm kev sib ntxiv ntawm hydrogen kom txo qis saturation yam tsis muaj kev sib tsoo thaum hydrogenolysis tshwm sim ntawm ib daim ntawv cog lus undergo cleavage los ntawm hydrogen kom txo cov heteroatoms nyob rau hauv ib tug compound.
Hauv qab infographic qhia ntau ntxiv txog qhov sib txawv ntawm hydrogenation thiab hydrogenolysis.
Summary – Hydrogenation vs Hydrogenolysis
Qhov sib txawv tseem ceeb ntawm hydrogenation thiab hydrogenolysis yog tias hydrogenation suav nrog qhov sib ntxiv ntawm hydrogen yam tsis muaj kev sib cais ntawm daim ntawv cog lus, whereas hydrogenolysis suav nrog ntxiv ntawm hydrogen nrog kev sib cais ntawm daim ntawv cog lus.
