Cov Zoo ntawm Cov Tshuab Desulfurization Hlau Oxide
Kev Taw Qhia Txog Kev Siv Tshuab Desulfurization Hlau Oxide
Cov txheej txheem desulfurization qhuav los ntawm roj tau siv thaum ntxov. Cov txheej txheem desulfurization qhuav thaum ntxov uas siv rau roj yog cov txheej txheem desulfurization hlau oxide siv cov hlau bog ua cov desulfurizer. Nyob rau hauv xyoo tas los no, qhov zoo ntawm cov hlau oxide desulfurizers tau ua tiav zoo heev.
Lub tshuab tseem ceeb ntawm cov hlau oxide desulfurization yog catalysis, oxidation thiab adsorption. Thaum cov pa roj uas muaj H2S hla dhau lub txaj hlau oxide, qhov kev ua kom sov tshwm sim hauv qab qhov siab ib txwm thiab raug catalytic oxidized rau cov sulfur ions ntawm qhov chaw ntawm cov hlau oxide. Cov khoom raug adsorbed los ntawm cov hlau oxide kom ua tiav lub hom phiaj ntawm desulfurization.
Tom qab khiav ib lub sijhawm, yog tias qhov hluav taws xob ntawm lub pej thuam desulfurization ze rau tus nqi tsim, nws txhais tau tias lub pej thuam ntim tau saturated thiab poob nws lub peev xwm desulfurization, thiab yuav tsum tau hloov. Thaum hloov, kaw lub qhov cua nkag thiab ntxuav lub pej thuam desulfurization nrog nitrogen kom txog thaum qhov kev sim roj tsim nyog, qhib qhov chaw ntxuav thiab qhov chaw tso pa tawm kom rov ua dua cov khoom ntim. Tom qab rov ua dua, qhib lub qhov manhole thiab qhov tso tawm kom hloov cov khoom ntim.
Cov txheej txheem ntawm cov hlau oxide desulfurization thiab regeneration reaction yog raws li nram no:
Cov txheej txheem Desulfurization:
Fe 2 TUS 3 ·H 2 O+3H 2 S==Fe 2 S 3 ·H 2 O+3 H 2 O+5.2 kcal
Cov txheej txheem rov tsim dua tshiab
2Fe 2 S 3 ·H 2 O +3 O 2 ==2Fe 2 TUS 3 ·H 2 O +6S + 94.2 kcal
Yog tias cov pa roj muaj O 2 , thaum O 2 /H 2 S> 2.5, qhov kev hloov pauv desulfurization tuaj yeem ua tiav kev rov ua dua tshiab, cov mis tshuaj tiv thaiv saum toj no tau muab tso ua ke rau hauv:
Fe 2 TUS 3 ·H 2 TUS
2H 2 S+ O 2 ==========2H 2 O+2S
Kev rov ua dua ntawm cov hlau oxide desulfurizer yog ib qho txheej txheem exothermic. Yog tias kev rov ua dua sai dhau thiab cua sov raug tso tawm hnyav, lub desulfurizer yuav yooj yim ntes hluav taws thiab hlawv. Qhov kub rov ua dua yuav tsum tau tswj kom zoo.
Kev ua cov roj av yog cov txheej txheem ntawm kev tshem tawm cov pa dej, hydrogen sulfide, mercaptan, thiab carbon dioxide ntawm cov roj av. Cov khoom siv tseem ceeb suav nrog chav ua kom qhuav dej, chav tsev desulfurization, chav tshem tawm carbonization, thiab kev rov qab tau cov roj hydrocarbon me me chav tsev.
Cov Zoo ntawm Cov Tshuab Desulfurization Hlau Oxide
(1) Lub sijhawm tsim kho luv luv thiab kev nqis peev ib zaug yog me me.
(2) Kev raug desulfurization siab.
(3) Me me, txuag qhov chaw.
(4) Cov thev naus laus zis yog laus, kev ntseeg siab ntawm kev ua haujlwm yog siab, kev ua haujlwm yooj yim, thiab tus nqi ua tsis tiav yog qis.
(5) Cov khoom siv yooj yim, tus nqi txij nkawm txhua hnub qis, thiab cov neeg ua haujlwm tau txuag.
(6) Lub desulfurizer muaj kev nyab xeeb heev. Lub desulfurizer siv hauv lub kaw lus tsis muaj tshuaj lom thiab tsis ua rau ib puag ncig thiab tib neeg lub cev, thiab muaj txiaj ntsig zoo rau ib puag ncig.
(7) Muaj peev xwm ua tau raws li tsoomfwv hauv zos cov kev cai rau cov pa roj hydrogen sulfide.
Tiv tauj:
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