Manganese Dioxide yog ib qho hmoov dub nrog qhov ceev ntawm 5.026g / cm3 thiab lub ntsiab lus yaj ntawm 390 ° C. Nws tsis yaj hauv dej thiab nitric acid. Cov pa oxygen raug tso tawm hauv H2SO4 kub concentrated, thiab chlorine raug tso tawm hauv HCL los ua manganous chloride. Nws reacts nrog caustic alkali thiab oxidants. Eutectic, tso tawm carbon dioxide, tsim KMnO4, decompose rau hauv manganese trioxide thiab oxygen ntawm 535 ° C, nws yog ib qho oxidant muaj zog.
Manganese Dioxidemuaj ntau yam kev siv, suav nrog kev lag luam xws li tshuaj (potassium permanganate), kev tiv thaiv lub teb chaws, kev sib txuas lus, kev siv tshuab hluav taws xob, kev luam ntawv thiab zas xim, cov ntais ntawv, kev ua xab npum, kev vuam, kev ntxuav dej, kev ua liaj ua teb, thiab siv ua tshuaj tua kab mob, oxidant, catalyst, thiab lwm yam. Manganese dioxide yog siv ua MNO2 ua cov xim rau xim ntawm cov khoom siv ceramics thiab cib thiab vuas, xws li xim av, ntsuab, ntshav, dub thiab lwm yam xim ci ntsa iab, yog li cov xim ci thiab ruaj khov. Manganese dioxide kuj tseem siv ua depolarizer rau cov roj teeb qhuav, ua tus neeg sawv cev deferrous rau cov hlau manganese, cov hlau tshwj xeeb, ferromanganese castings, lub ntsej muag roj, thiab cov ntaub ntawv hluav taws xob, thiab kuj siv rau hauv roj hmab kom nce viscosity roj hmab.
Pab pawg R&D ntawm UrbanMines Tech. Co., Ltd. tau txheeb xyuas cov ntaub ntawv thov rau lub tuam txhab feem ntau ua haujlwm nrog cov khoom lag luam, tshwj xeeb manganese dioxide rau cov neeg siv khoom siv.
(1) Electrolytic Manganese Dioxide, MnO2≥91.0%.
Electrolytic Manganese Dioxideyog ib qho tshuaj zoo heev rau cov roj teeb. Piv nrog cov roj teeb qhuav uas tsim los ntawm cov manganese dioxide ntuj, nws muaj cov yam ntxwv ntawm lub peev xwm tso tawm loj, kev ua haujlwm muaj zog, me me, thiab lub neej ntev. Nws yog sib xyaw nrog 20-30% EMD Piv nrog cov roj teeb qhuav ua los ntawm cov MnO2 ntuj, cov roj teeb qhuav tuaj yeem ua rau lawv lub peev xwm tso tawm ntau dua 50-100%. Kev sib xyaw 50-70% EMD hauv lub roj teeb zinc chloride ua tau zoo tuaj yeem ua rau nws lub peev xwm tso tawm ntau dua 2-3 zaug. Cov roj teeb alkaline-manganese ua los ntawm EMD tuaj yeem ua rau lawv lub peev xwm tso tawm ntau dua 5-7 zaug. Yog li ntawd, electrolytic manganese dioxide tau dhau los ua cov khoom siv raw tseem ceeb rau kev lag luam roj teeb.
Ntxiv rau qhov ua cov khoom siv tseem ceeb ntawm cov roj teeb, electrolytic manganese dioxide hauv lub cev kuj tseem siv dav hauv lwm qhov chaw, xws li: ua tus oxidant hauv cov txheej txheem tsim cov tshuaj zoo, thiab ua cov khoom siv raw rau kev tsim cov khoom siv hlau nplaum manganese-zinc ferrite. Electrolytic manganese dioxide muaj zog catalytic, oxidation-reduction, ion exchange thiab adsorption peev xwm. Tom qab ua tiav thiab molding, nws dhau los ua ib hom khoom siv lim dej zoo heev nrog kev ua tau zoo. Piv nrog rau cov pa roj carbon activated, zeolite thiab lwm yam khoom siv lim dej, nws muaj peev xwm zoo dua los tshem tawm cov xim thiab tshem tawm cov hlau!
(2) Lithium Manganese Oxide Qib Electrolytic Manganese Dioxide, MnO2≥92.0%.
Lithium Manganese Oxide Qib Electrolytic Manganese DioxideSiv dav hauv cov roj teeb lithium manganese thawj. Lithium manganese dioxide series roj teeb yog tus cwj pwm los ntawm nws lub zog tshwj xeeb (txog li 250 Wh/kg thiab 500 Wh/L), Thiab kev ua haujlwm hluav taws xob siab ruaj khov thiab kev nyab xeeb thaum siv. Nws yog qhov tsim nyog rau kev tso tawm mus sij hawm ntev ntawm qhov ceev tam sim no ntawm 1mA/cm ~ 2 ntawm qhov kub ntawm -20 ° C txog ntxiv 70 ° C. Lub roj teeb muaj lub zog nominal ntawm 3 volts. British Ventour (Venture) lub tuam txhab thev naus laus zis muab rau cov neeg siv nrog peb hom qauv ntawm cov roj teeb lithium: cov roj teeb lithium khawm, cov roj teeb lithium cylindrical, thiab cov roj teeb lithium txhuas cylindrical kaw nrog polymers. Cov khoom siv hluav taws xob nqa tau pej xeem tab tom tsim kho hauv kev coj ua miniaturization thiab lub teeb yuag, uas xav tau cov roj teeb uas muab lub zog rau lawv kom muaj cov txiaj ntsig hauv qab no: me me, lub teeb yuag, lub zog tshwj xeeb siab, lub neej ntev, tsis muaj kev saib xyuas, thiab tsis muaj kuab paug.
(3) Hmoov Manganese Dioxide Ua Haujlwm, MnO2≥75.%.
Cov Manganese Dioxide Ua Haujlwm(qhov tsos yog hmoov dub) yog ua los ntawm cov manganese dioxide ntuj zoo los ntawm ntau yam txheej txheem xws li kev txo qis, kev tsis sib npaug, thiab kev hnyav. Nws yog kev sib xyaw ua ke ntawm cov manganese dioxide ua haujlwm thiab cov tshuaj manganese dioxide. Kev sib xyaw ua ke muaj cov txiaj ntsig zoo xws li γ-hom siv lead ua qauv, thaj chaw loj, kev ua haujlwm nqus dej zoo, thiab kev ua haujlwm tso tawm. Hom khoom no muaj kev ua haujlwm hnyav thiab kev ua haujlwm tso tawm tsis tu ncua, thiab siv dav hauv kev tsim cov roj teeb zinc-manganese qhuav muaj zog thiab muaj peev xwm siab. Cov khoom no tuaj yeem hloov pauv ib feem ntawm electrolytic manganese dioxide thaum nws siv rau hauv cov roj teeb zinc (P) hom siab-chloride, thiab tuaj yeem hloov pauv electrolytic manganese dioxide thaum nws siv rau hauv cov roj teeb ammonium chloride (C) hom. Nws muaj txiaj ntsig zoo.
Piv txwv ntawm cov kev siv tshwj xeeb yog raws li nram no:
a. Cov xim pleev xim av: cov khoom ntxiv rau hauv cov xim dub, cov xim liab manganese thiab cov xim av;
b. Daim ntawv thov hauv cov xim pleev xim ceramic feem ntau yog qhov tsim nyog rau kev siv cov neeg sawv cev dub ua haujlwm siab rau glaze; qhov xim saturation yog qhov siab dua li cov manganese oxide ib txwm muaj, thiab qhov kub ntawm calcining synthesis yog li 20 degrees qis dua li cov electrolytic manganese dioxide ib txwm muaj.
c. Cov tshuaj nruab nrab, cov tshuaj oxidants, cov tshuaj catalysts;
d. Tshuaj pleev xim rau kev lag luam iav;
(4) Manganese Dioxide Uas Muaj Qhov Huv Si, MnO2 96% -99%.
Tom qab ntau xyoo ua haujlwm hnyav, lub tuam txhab tau tsim kho tau zooManganese Dioxide Uas Muaj Kev Ntshiab Siabnrog cov ntsiab lus ntawm 96% -99%. Cov khoom hloov kho muaj cov yam ntxwv ntawm kev oxidation muaj zog thiab kev tso tawm muaj zog, thiab tus nqi muaj qhov zoo dua piv rau electrolytic manganese dioxide. Manganese dioxide yog hmoov dub amorphous lossis siv lead ua dub orthorhombic. Nws yog ib qho oxide ruaj khov ntawm manganese. Nws feem ntau tshwm sim hauv pyrolusite thiab manganese nodules. Lub hom phiaj tseem ceeb ntawm manganese dioxide yog los tsim cov roj teeb qhuav, xws li cov roj teeb carbon-zinc thiab cov roj teeb alkaline. Nws feem ntau siv ua catalyst hauv cov tshuaj tiv thaiv, lossis ua tus neeg sawv cev oxidizing muaj zog hauv cov kua qaub. Manganese dioxide yog cov oxide tsis-amphoteric (oxide tsis-ntsev-tsim), uas yog cov khoom dub hmoov ruaj khov heev ntawm chav tsev kub thiab tuaj yeem siv ua depolarizer rau cov roj teeb qhuav. Nws kuj yog ib qho oxidant muaj zog, nws tsis hlawv nws tus kheej, tab sis txhawb nqa kev sib xyaw, yog li nws yuav tsum tsis txhob muab tso ua ke nrog cov khoom sib xyaw.
Piv txwv ntawm cov kev siv tshwj xeeb yog raws li nram no:
a. Nws feem ntau yog siv ua tus depolarizer hauv cov roj teeb qhuav. Nws yog ib tus neeg sawv cev zoo decolorizing hauv kev lag luam iav. Nws tuaj yeem oxidize cov ntsev hlau pheej yig mus rau hauv cov ntsev hlau siab, thiab tig cov xim xiav-ntsuab ntawm lub iav mus rau hauv daj tsis muaj zog.
b. Nws yog siv los ua cov khoom siv sib nqus manganese-zinc ferrite hauv kev lag luam hluav taws xob, ua cov khoom siv raw rau ferro-manganese alloys hauv kev lag luam hlau, thiab ua tus neeg sawv cev cua sov hauv kev lag luam casting. Siv ua tus nqus dej rau cov pa roj carbon monoxide hauv cov ntsej muag roj.
c. Hauv kev lag luam tshuaj lom neeg, nws yog siv los ua tus neeg sawv cev oxidizing (xws li purpurin synthesis), ib qho catalyst rau organic synthesis, thiab ib qho desiccant rau cov xim thiab cov kua mem.
d. Siv ua khoom siv pab hlawv hauv kev lag luam sib tw, ua cov khoom siv raw rau cov khoom siv ceramics thiab enamel glazes thiab cov ntsev manganese.
e. Siv rau hauv kev ua hluav taws xob, kev ntxuav dej thiab kev tshem tawm hlau, tshuaj, chiv thiab ntaub luam ntawv thiab zas xim, thiab lwm yam.