Caustic Calcined magnesiite siv nyob rau hauv ib puag ncig

Apr 15, 2019 Tso lus

Caustic calcined magnesiite yog calcined ntawm ib ncig ntawm 900 ℃ los ntawm cov ntxhuav nyoos. Raws li kev ua si, nws yog dav siv nyob rau hauv ib puag ncig los daws cov teeb meem ntau.

1. Hauv kev kho dej, MgO muab lub zog nrog 9-9.5, uas txwv tsis pub tsim Hydrogen sulfide H2S, Tsis tas li ntawm cov pH qhov tseem ceeb, tsis muaj ammonia (NH3) evolution. Ntawm qhov tod tes lawv muab qhov system nrog OH pawg uas cuam tshuam rau H pawg neeg thiab ntawm qhov kev sib tshuam uas lawv tiv thaiv kev tsim H2SO4 txij li thaum muaj txiaj ntsig ntawm pH <9-9.5, hom="" hio="" hauv="" h2s="" raug="">

2. Ua pa roj carbon dioxide, hmoov sulfur oxides   uas yog tsim kev puas tsuaj rau ob qho tib si rau kev cog lus thiab qhov chaw nyob. Magnesium Oxide yog siv los ua pa tshuaj nrog sulfur oxides.

3. Nyob hauv av Kev Txiav Txwv, nws muaj kev pheej hmoo loj ntawm cov khoom pov tseg rau hauv chaw pov tseg lossis lwm qhov chaw yog qhov leaching ntawm cov hlau hnyav, txawm los ntawm dej nag, thiab lawv cov kev thauj mus tom qab rau cov thoob dej yug ntsiv uas ua rau muaj kuab paug ntawm cov av thiab dej hauv av. Hom tshuaj muaj kuab lom no ntau tshaj li cov kua dej ua kua uas muaj hnyav hlau. Los ntawm kev siv magnesium oxide, peb tau ua rau cov hlau nplaum nyob hauv cov dej khib nyiab nrog rau stabilization thiab tsevneeg cov hlau hnyav uas muaj nyob rau hauv cov khoom tsis zoo.  






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