Siab viav vias adsorption yog qhov tseem ceeb rau kev txo qis kev lag luam peev thiab kev siv hluav taws xob. Nws yog tam sim no tsuas yog siv nyob rau hauv cov nram qab no yam:
(1) Siab viav vias adsorption rau huab cua purification
Yav dhau los, huab cua purification siv cov kua alkali ntxuav kom tshem tawm CO2, silica gel kom tshem tawm H2O, thiab tom qab ntawd adsorbent kub viav vias adsorption kom tshem tawm CO2, H2O thiab hydrocarbon impurities tib lub sijhawm. Cov txheej txheem no yuav tsum tau cua sov thiab haus cov haujlwm sab nraud. Tam sim no, lub zog viav vias adsorption yog siv los tshem tawm CO2, H2O thiab hydrocarbon impurities tib lub sijhawm. Tsis tas yuav tsum muaj cov khoom siv cua sov, uas txuag hluav taws xob. Cov khoom siv yog compact thiab yooj yim rau kev khiav lag luam. Lub purity ntawm cov pa purified tuaj yeem ncav cuag ob peb ppm qib impurity cov ntsiab lus. BX molecular sieve thiab activated alumina mix adsorbent yog siv. BX molecular sieve muaj zog adsorption muaj peev xwm rau nitrogen, thiab activated alumina muaj peev xwm tshem tawm zoo rau CO2 thiab H2O. BX molecular sieve yog muab tso rau hauv lub siab concentration cheeb tsam ntawm adsorbent impurities, thiab activated alumina yog muab tso rau hauv qhov tsawg concentration cheeb tsam. Qhov no tuaj yeem ua tiav cov nyhuv purification zoo dua.
(2) Siab viav vias adsorption huab cua sib cais oxygen ntau lawm
Tib neeg tau paub txog kev tsim cov pa oxygen los ntawm huab cua los ntawm txoj kev cryogenic nyob rau hauv lub xyoo pua 19th, thiab nws tau txhim kho ib hnub dhau ib hnub txij thaum ntawd los. Txawm li cas los xij, vim qhov zoo ntawm lub siab viav vias adsorption tshuab raws li tau hais los saum toj no, me me thiab nruab nrab siab viav vias adsorption cua oxygen ntau lawm yog kev sib tw tshaj li txoj kev cryogenic. Lub siab viav vias adsorption oxygen ntau lawm yog thawj zaug siv rau activated sludge oxygenation dej phwj kho, thiab tom qab ntawd siv rau oxygen-enriched boiler combustion, steelmaking, thiab lwm yam. Nyob rau hauv 1991, qhov nkag mus rau lub siab viav vias adsorption oxygen ntau lawm cov cuab yeej nyob rau hauv Nyiv yog: 20.5% rau loj industrial boilers, 31% rau nruab nrab muaj boilers, 15% rau industrial cua sov boilers, thiab 31% rau nkoj.
Cov roj av hauv tsev tau raug hloov pauv los ntawm ib txwm muaj kev sib cuam tshuam huab cua gasification mus rau lub siab nruam viav vias adsorption cua oxygen ntau lawm. Lub peev xwm gasification ntawm ib lub cub tawg tau nce los ntawm 62.9%, thiab qhov ua tau zoo tau nce los ntawm 70% mus rau 85%, txuag 5.96 × 106kJ / tuj NH3 piv nrog cov txheej txheem ib txwm muaj. Cov pa oxygen enrichment tseem qis dua li ntawm txoj kev cryogenic.
(3) Siab viav vias adsorption huab cua sib cais nitrogen ntau lawm Nitrogen yog ib qho inert tiv thaiv roj thiab yog dav siv nyob rau hauv grain cia, txiv hmab txiv ntoo preservation, electronics, semiconductor metallurgy thiab tshuaj industries. Hauv particular, semiconductor thiab lub tshuab nqus tsev tsim khoom yuav tsum muaj kev tiv thaiv siab purity nitrogen los txhim kho cov khoom zoo. Yav dhau los, cryogenic huab cua sib cais nitrogen ntau lawm yuav tsum tau loj peev, complex ua hauj lwm thiab nquag tu. Txawm li cas los xij, lub zog viav vias adsorption yuav tsum tau nqis peev tsawg, tus nqi khiav haujlwm qis, kev ua haujlwm siab thiab kev siv hluav taws xob tsawg (0.27 ~ 0.3kWh/m3). kuv lub teb chaws tau tsim ntau yam ntawm siab viav vias adsorption huab cua sib cais cov khoom siv nitrogen ntau lawm.
(4) Siab viav vias adsorption hydrogen ntau lawm Nrog rau kev loj hlob sai ntawm cov roj av refining kev lag luam thiab petrochemical kev lag luam nyob rau hauv peb loj synthesis, kev siv hydrogen li aerospace roj thiab hydrogen zog tau nce sai heev. Kev lag luam organic, metallurgical kev lag luam, kev lag luam hluav taws xob, thiab lwm yam. txhua yam yuav tsum muaj ntau cov dej ntshiab ntshiab, yog li nws yuav tsum tau tshawb nrhiav cov peev txheej hydrogen thiab tsim cov txheej txheem tshiab hydrogen. Siv lub zog viav vias adsorption los tsim ntau dua 99.99% hydrogen los ntawm ntau cov roj av muaj roj yog ib txoj hauv kev tseem ceeb.
Txog tam sim no, muaj ntau txhiab tus hydrogen ntau lawm nyob hauv lub ntiaj teb, nrog rau cov khoom siv los ntawm 200% mus rau 4000m3/h, thiab lub peev xwm ua tau hydrogen siab tshaj plaws yog 115,000m3/h. Lub Tsev Haujlwm Saib Xyuas Kev Tshawb Fawb Southwest ntawm Kev Lag Luam Kev Lag Luam ntawm Ministry of Chemical Industry tau muab tso rau hauv kev ua haujlwm ze li ntawm 200 lub zog viav vias adsorption hydrogen ntau lawm units, uas tuaj yeem tsim 400 lab m3 ntawm cov pa ntshiab hydrogen los ntawm hydrogen-muaj roj roj txhua xyoo. Ntxiv nrog rau hydrogen, muaj cov pa roj carbon monoxide muaj xws li Ar, CO2, H2O, N2, CO, H2S, CH4 thiab ib qho me me ntawm hydrocarbons. Cov pa roj impurity no tuaj yeem raug tshem tawm ntawm ib zaug los ntawm kev siv lub zog viav vias adsorption kom ua tiav lub hom phiaj ntawm kev ua kom huv thiab rov qab hydrogen. Kev ua haujlwm siab ntawm siab viav vias adsorption hydrogen ntau lawm feem ntau nyob rau hauv thaj tsam ntawm 0.8 txog 2.5MPa. Cov txheej txheem ob-ntauwd cov khoom ntws yog yooj yim, tab sis cov khoom lag luam tau poob rau hauv qhov chaw tuag. Qhov no ntawm cov pa roj yuav tsum raug tso tawm thaum lub sij hawm depressurization txheej txheem. Qhov siab dua, qhov poob ntau dua. Kev siv ntau lub txaj siab viav vias adsorption tuaj yeem ua rau cov nyhuv desorption pom tseeb dua.
