Yuav ua li cas txog qhov adsorption kev ua tau zoo ntawm 4A molecular sieve rau H₂S?Txhawm rau daws qhov teeb meem ntawm H₂S ntxhiab tsw phem hauv qhov chaw pov tseg, Peb xaiv cov khoom siv qis qis thiab cov kaolin raug xaiv, ua 4A molecular sieve nrog zoo adsorption thiab catalytic nyhuv los ntawm hydrothermal txoj kev.Qhov kev sim no tsuas yog kawm txog cov txiaj ntsig ntawm qhov sib txawv ntawm calcination kub thiab crystallization lub sij hawm ntawm adsorption desulfurization kev ua tau zoo.
Cov txiaj ntsig tau pom tias qhov adsorption desulfurization kev ua tau zoo ntawm 4A molecular sieve npaj los ntawm kaolin yog pom tseeb zoo dua li ntawm cov thee gangue.Lub calcination kub yog 900 ℃, lub crystallization kub yog 100 ℃, lub sij hawm crystallization yog 7h, thiab qhov ratio ntawm cov khoom rau cov kua yog 1: 7.Thaum cov alkali concentration yog 3mol / L, lub peev xwm desulfurization tuaj yeem ncav cuag 95mg / g.X-ray diffraction tsom xam pom tias muaj cov yam ntxwv tshwj xeeb ntawm cov sulfur peaks nyob rau hauv lub spectrum tom qab adsorption los ntawm 4A molecular sieve, qhia tau hais tias cov khoom ntawm 4A molecular sieve adsorption ntawm H 2 S odorous gas yog elemental sulfur.
Lub 4A molecular sieve nyob rau hauv lub siab viav vias adsorption yog ib qho yooj yim mus rau lom thiab poob nws cov hauj lwm, ua rau tag nrho cov khoom tsis ua hauj lwm.Molecular sieves account rau ib tug loj feem ntawm tus nqi ntawm PSA, thiab cov nqi txuag ntawm ib tug ua tiav txheej ntawm molecular sieve PSA oxygen enrichment khoom yog kwv yees li sib npaug zos rau cov nqi ntawm lub zog txuag.Nyob rau hauv cov ntaub ntawv siv, siab viav vias adsorption yog ib qho kev siv tshuab siab heev, tab sis cov khoom siv kim heev, cov khoom siv molecular sieve muaj lub neej ua haujlwm luv luv, thiab cov khoom siv tsim, Cov nqi sib npaug ntawm cov nyiaj txuag, uas ua rau molecular sieve siab viav vias adsorption tsis tshua muaj nyob rau hauv kev siv tswv yim.
Cov pa roj carbon monoxide uas tsim los ntawm 4A molecular sieve siab viav vias adsorption khoom tau yooj yim kis los ntawm dej molecules, corrosive gases, acid gases, plua plav, roj molecules, thiab lwm yam, ua rau molecular inactivation.Feem ntau ntawm no inactivation yog irreversible.Kev rov ua kom rov ua tau tuaj yeem ua tiav los ntawm kev yaug nrog huab cua tshiab thiab dej yog tias xav tau, tab sis txawm tias rov ua kom cov pa roj carbon molecules zoo li tsis tshua muaj reactive thiab nitrogen-ua dua li qub, uas yog qhov peb hu ua molecular sieve lom.
Post lub sij hawm: Jun-27-2022