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Tsev > Xov xwm > Ntsiab lus
Expanded Graphite yog ib qho tseem ceeb Environmental khoom
- Aug 15, 2017 -

Expanded graphite yog ib qho tseem ceeb ntawm tej khoom siv
Tshaj tawm graphite tsis tsuas yog siv dav dav hauv kev lag luam, tab sis kuj yog nyob rau ntawm thaj chaw tiv thaiv ib puag ncig. Expanded graphite tus kheej cov yam ntxwv tus yam ntxwv thiab qhov ua tau zoo kom nws yog ib qho tseem ceeb hauv cov khoom, hauv kev tiv thaiv ib puag ncig lub luag haujlwm. Muaj ntau tus neeg hu nws ua ib qho tseem ceeb hauv cov ntaub ntawv ntsuab, hnub no cov graphite me me rau txhua tus los sojntsuam vim qhov kev nthuav dav ntawm graphite yog ib qho tseem ceeb ntawm cov khoom:
Expanded graphite vim nws cov peev xwm adsorption zoo siv los ua ib cov adsorption khoom siv, kev tsim tawm ntawm graphite adsorption peev yog siv ob qho: adsorption cov roj thiab lwm yam roj thiab qhov nqus ntawm cov teeb meem roj.
Ua ntej, qhov nthuav ntawm graphite tuaj yeem nqus hnyav roj thiab lwm yam roj.
Expanded graphite yog ib qho zoo tshaj plaws adsorbent, tshwj xeeb tshaj yog nws muaj ib txoj hlua ntxeem tau, cov organic sib txuas nrog lub zog adsorption, 1g ntawm nthuav graphite tuaj yeem nqus 80g roj, yog li qhov nthuav cov graphite tau tsim los ua ntau yam roj thiab cov roj muaj roj Ntawm cov adsorbent.
1, nthuav graphite ua ib hom tshiab ntawm cov adsorbent vim yog cov loj hauv lub mesh.
Sib txawv los ntawm lwm cov ntaub ntawv ntawm cov adsorbent, nthuav graphite nrog lub hauv paus rau lub ntsiab qhov, thiab feem ntau ntawm cov kev sib txuas hauv lub xeev, inter-layer network connectivity zoo dua. Rau lub adsorption ntawm cov roj hnyav ntawm no cov organic macromolecule muaj cov nyhuv zoo heev. Hnyav roj molecules yog yooj yim nkag mus rau thiab ceev nrooj kis mus rau hauv lawv lub network system kom txog rau thaum lawv muaj kev sib txuas nrog hauv qhov. Yog li no, qhov nthuav tawm graphite adsorption nyhuv yog qhov zoo dua.
2, nthuav graphite ua ib hom tshiab ntawm cov adsorbent vim qhov kev soj ntsuam ntawm cov qhov hauv plab yog ntau dua.
Qhov nthuav ntawm graphite worms thiab cua nab nruab nrab ntawm cov hniav, qhov kev tsim ntawm qhov ntawm qhov yog qhov ntau rau lub adsorption ntawm cov tshuaj macromolecular, uas qhia cov nqi ntau ntawm adsorption, uas yuav daws tau cov roj, cov organic non-ncov qaum cov khoom.
Qhov thib ob, qhov kev nthuav dav ntawm graphite tuaj yeem tawm rau SO thiab lwm cov kev mob nkeeg.
Expanded graphite kuj muaj cuab kav adsorption nyhuv rau roj. Cov nyhuv adsorption yog ze rau qhov kub, thiab cov nyhuv adsorption hauv lub xeev siab kub zoo dua. Thaum qis kub, qhov adsorption ntawm SO rau ntawm expansion ntawm graphite mus rau lub ntsiab lub cev adsorption, kev kub siab, cov tshuaj adsorption zoo heev nce, li ntawd, high kub adsorption nyhuv kuj ua si yuav txhim khu.
Expanded graphite yog cov khoom siv tiv thaiv hluav taws ntau tshaj plaws, nthuav cov teeb meem hluav taws hluav taws xob yog qhov tseem ceeb heev, thiab siv nyiaj tsawg, tsis muaj kev phom sij. Nyob hauv txhua txhua hnub muaj kev lag luam, ntau tus neeg muas zaub muab qhov tseem ceeb rau kev sib txawv ntawm qhov kev tsim cov graphite kom ua kom muaj qhov zoo tshaj plaws hluav taws kub nyhuv, hnub no, Shengda graphite me me rau txhua tus neeg los tham txog kev cuam tshuam ntawm kev nthuav dav ntawm cov nplaim nplaim hluav taws xob:
Ua ntej, qhov cuam tshuam ntawm qhov nyiaj ntawm cov graphite uas nthuav dav rau cov nplaim hluav taws.
Thaum tus nqi ntawm cov graphite muaj qis tshaj 6%, cov nyhuv ntawm cov duab thev nrawm ntawm cov nplaim hluav taws rov qab ntawm qhov hluav taws kub retardant yog obviously nce. Txawm li cas los xij, thaum muaj qhov graphite ntau dua li 6%, qhov nplaim hluavtaws muaj zog qeeb lossis tseem tsis tau nce ntxiv, yog li qhov zoo tshaj plaws ntawm cov duab nyob hauv lub qhov cub tawg, qhov 6%.
Qhov ob, qhov cuam tshuam loj dua graphite qhov loj me me ntawm cov nplaim hluav taws.
Lub granularity ntawm nthuav graphite yog ib qho tseem ceeb qhia ntawm nws cov kev kawm yooj yim, thiab nws qhov loj me me yog qhov zoo rau nws cov hluav taws xob hluav taws xob retardancy. Qhov me me qhov loj me me ntawm cov duab thaij duab, qhov ntev dua qhov hluav taws kub tsis haum, qhov zoo dua qhov hluav taws kub dua. Qhov no tej zaum yuav yog vim qhov tseeb uas tau nthuav cov graphite, uas yog me me loj me ntsis, nws muaj kev sib npaug ntawm cov txheej txheem thiab qhov kev nthuav tawm zoo dua yog tias tus nqi qub ntxiv; thiab vim tias qhov loj ntawm cov duab ua kom zoo dua qub, txo qhov oxidant uas nyob ntawm cov khaubncaws sab nraud povtseg Ntawm lub cev thermal poob yoojyim yooj yim los ntawm daim ntawv, ua kom nce nqi. Yog li ntawd, lub cheeb me me ntawm cov hluav taws xob muaj hluav taws xob zoo dua.