Cov ntsiab lus sodium-raws li, siab viscosity, muaj zog adsorption, sodium-raws li xab npum av nplaum Featured duab

Sodium-based cov ntsiab lus, siab viscosity, muaj zog adsorption, sodium-based xab npum av nplaum

Cov minerals uas tsis yog-hlau nrog montmorillonite ua cov ntxhia tseem ceeb.

Bentonite yog cov ntxhia uas tsis yog xim hlau nrog montmorillonite ua cov ntxhia tseem ceeb, montmorillonite qauv yog tsim los ntawm ob lub silicon-oxygen tetrahedron sandwiched nrog ib txheej ntawm txhuas oxygen octahedron muaj li ntawm 2: 1 siv lead ua qauv, vim cov txheej txheem txheej tsim los ntawm montmorillonite chav tsev. Cov hlwb muaj qee yam cations, xws li Cu, Mg, Na, K, thiab lwm yam, thiab cov cations thiab montmorillonite unit cell tsis ruaj khov, yooj yim rau kev sib pauv los ntawm lwm cov cations, yog li nws muaj kev sib pauv ion zoo dua.Cov teb chaws txawv teb chaws tau siv ntau tshaj 100 lub tuam tsev hauv 24 thaj chaw ntawm kev lag luam thiab kev ua liaj ua teb, nrog ntau tshaj 300 cov khoom, yog li cov neeg hu nws "universal av".

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Cov ntaub ntawv ntsig txog

Bentonite tseem hu ua porphyry, xab npum av nplaum los yog bentonite.Tuam Tshoj muaj keeb kwm ntev ntawm kev tsim thiab siv bentonite, uas yog Ameslikas tsuas yog siv los ua tshuaj ntxuav tes.(Muaj cov mines qhib hauv cheeb tsam Renshou ntawm Sichuan ntau pua xyoo dhau los, thiab cov neeg hauv zos hu ua bentonite li av hmoov).Tsuas yog ib puas xyoo xwb.Tebchaws Asmeskas tau pom thawj zaug nyob rau hauv lub qub strata ntawm Wyoming, av nplaum daj-ntsuab, uas tuaj yeem nthuav dav rau hauv ib qho muab tshuaj txhuam tom qab ntxiv dej, thiab tom qab ntawd cov neeg hu ua tag nrho cov av nplaum nrog cov khoom no bentonite.Qhov tseeb, cov ntxhia tseem ceeb ntawm bentonite yog montmorillonite, cov ntsiab lus yog 85-90%, thiab qee cov khoom ntawm bentonite kuj txiav txim siab los ntawm montmorillonite.Montmorillonite tuaj yeem muaj ntau yam xim xws li daj-ntsuab, daj-dawb, grey, dawb thiab lwm yam.Nws tuaj yeem yog qhov thaiv ntom ntom, lossis nws tuaj yeem yog cov av xoob, thiab nws muaj qhov kev xav zoo nkauj thaum rub nrog cov ntiv tes, thiab qhov ntim ntawm qhov thaiv me me nthuav tawm ob peb zaug rau 20-30 zaug tom qab ntxiv dej, thiab nws raug tshem tawm hauv dej. thiab pasty thaum muaj dej tsawg.Cov khoom ntawm montmorillonite muaj feem xyuam rau nws cov tshuaj muaj pes tsawg leeg thiab cov qauv sab hauv.