Xalka

Sepiolite waa nooc ka mid ah macdanta leh qaabka fiber-ka, kaas oo ah qaab-dhismeed fiber ah oo ka soo baxa derbiga pore polyhedral iyo kanaalka daloolka.Qaab dhismeedka fiberku waxa uu ka kooban yahay qaab-dhismeed lakabaysan, kaas oo ka kooban laba lakab oo ah Si-O-Si bond ku xidhan tetrahedron silicon oxide iyo octahedron ka kooban magnesium oxide ee dhexda, samaynta 0.36 nm × 1.06nm pore malabka.Codsiga warshadaha Sepiolite wuxuu caadi ahaan u baahan yahaywarshad shiidi sepiolite budada lagu shiidayo budada sepiolite.HCMilling (Guilin Hongcheng) waa soo-saare xirfad leh warshad shiidi sepiolite.Qalabka oo dhan ee qalabkayaga warshad shiidi sepiolite khadka wax soo saarka ayaa si weyn loogu isticmaalay suuqa.Ku soo dhawoow si aad wax badan uga barato onlayn.Kuwa soo socda waa hordhac isticmaalka budada sepiolite:

1. Guryaha sepiolite

(1) sifooyinka adsorption ee sepiolite

Sepiolite waa qaab-dhismeed gaar ah oo saddex-cabbir ah leh oo leh meel sare oo gaar ah iyo borosity lakabaysan, kaas oo lagu tallaalay SiO2 tetrahedron iyo Mg-O octahedron.Waxa kale oo jira xarumo badan oo acidic ah [SiO4] alkaline [MgO6] oo ku yaal korkeeda, sidaa darteed sepiolite waxay leedahay wax qabad xoog leh.

Qaab dhismeedka crystal sepiolite wuxuu leeyahay saddex goobood oo firfircoon oo xayaysiisyo kala duwan:

Midka koowaad waa O atom oo ku jira Si-O tetrahedron;

Midda labaad waa unugyo-biyood oo isku xidha Mg2+ oo ku yaal cidhifka Mg-O octahedron, oo inta badan samaysta bonds hydrogen iyo walxo kale;

Midda saddexaad waa isku-darka dammaanadda Si OH, kaas oo ka dhasha jebinta curaarta oksijiinta silikoon ee SiO2 tetrahedron oo hesha borotoon ama molecule hydrocarbon si loo magdhabo awoodda maqan.Dammaanadda Si OH ee sepiolite waxay la falgeli kartaa molecules-ka lagu dhejiyay dusheeda si ay u xoojiso xayeysiinta, waxayna samayn kartaa curaarta isku xidhan ee walxaha dabiiciga ah qaarkood.

(2) Deganaanshaha kulaylka ee sepiolite

Sepiolite waa shey dhoobo ah oo aan dabiici ahayn oo leh iska caabin heerkul sarreeya oo deggan.Inta lagu jiro habka kuleylka tartiib tartiib ah ee heerkulka hooseeya ilaa heerkulka sare, qaabka crystal ee sepiolite wuxuu soo maray afar marxaladood oo miisaan lumis ah:

Marka heerkulka dibadda uu gaaro qiyaastii 100 ℃, unugyada biyaha ee sepiolite waxay lumin doonaan marxaladda koowaad waa biyaha zeolite ee daloolada, iyo luminta qaybtan molecules biyuhu waxay gaadhaan 11% wadarta miisaanka sepiolite.

Marka heerkulka dibedda uu gaaro 130 ℃ ilaa 300 ℃, sepiolite marxaladda labaad waxay lumin doontaa qaybta koowaad ee biyaha isuduwidda leh Mg2+, taas oo ah qiyaastii 3% miisaankeeda.

Marka heerkulka dibadda uu gaaro 300 ℃ ilaa 500 ℃, sepiolite ee marxaladda saddexaad waxay lumin doontaa qaybta labaad ee isuduwidda biyaha Mg2+.

Marka heerkulka dibadda uu gaaro in ka badan 500 ℃, biyaha qaab dhismeedka (-OH) oo lagu daray octahedron gudaha waa la lumin doonaa marxaladda afraad.Qaab dhismeedka fiber-ka ee sepiolite ee marxaladan ayaa si buuxda loo burburiyay, sidaas darteed geeddi-socodku waa mid aan la beddeli karin.

(3) Iska caabbinta daxalka ee sepiolite

Sepiolite waxay si dabiici ah u leedahay caabbinta aashitada iyo alkali wanaagsan.Marka ay ku jirto dhexdhexaadka leh qiimaha pH <3 ama>10, qaabdhismeedka gudaha ee sepiolite waa la daxaloobay.Marka ay u dhaxeyso 3-10, sepiolite waxay muujineysaa xasillooni xooggan.Waxay muujinaysaa in sepiolite uu leeyahay caabbinta acid adag iyo alkali, taas oo ah sabab muhiim ah sababta sepiolite loo isticmaalo sida xudunta aan organic si loogu diyaariyo Maya sida midabka buluuga ah.

(4) Sifooyinka catalytic ee sepiolite

Sepiolite waa qaade raqiis ah oo la taaban karo.Sababta ugu weyn ayaa ah in sepiolite ay heli karto aag sare oo gaar ah iyo qaab dhismeedkeeda lakabka leh ka dib markii wax laga beddelo aashitada, kuwaas oo ah shuruudo ku habboon isticmaalka sepiolite sida koriyaha.Sepiolite waxaa loo isticmaali karaa sida side si loo sameeyo sawir-qaade leh waxqabad aad u fiican oo leh TiO2, kaas oo si ballaaran loo isticmaalo hydrogenation, oxidation, denitrification, desulfurization, iwm.

(5) Ion beddelka sepiolite

Habka is-weydaarsiga ion wuxuu isticmaalaa cations kale oo bir ah oo leh polarization xooggan si loogu beddelo Mg2+ dhammaadka octahedron ee qaab dhismeedka sepiolite, sidaas darteed beddeleysa kala dheereynta lakabka iyo aashitada dusha sare, iyo kor u qaadida waxqabadka adsorption ee sepiolite.Iions birta ah ee sepiolite waxaa u badan ion magnesium, oo leh qadar yar oo aluminium ah iyo qadar yar oo ka mid ah cations kale.Halabuurka gaarka ah iyo qaab-dhismeedka sepiolite ayaa u sahlaya cations qaab-dhismeedkeeda inay ku beddelato cations kale.

(6) sifooyinka Rheological ee sepiolite

Sepiolite lafteedu waa qaab ul caato ah, laakiin intooda badan waxa lagu ururiyaa xidhmooyin leh nidaam aan caadi ahayn.Marka sepiolite lagu milmo biyaha ama dareerayaasha kale ee polar, xidhmooyinkani waxay si dhakhso ah u kala firdhi doonaan oo ay u dhexgeli doonaan nidaam xumo si ay u sameeyaan shabakad adag oo fiber ah oo leh xajin dareere aan joogto ahayn.Shabakaddaani waxay sameysaa ka joojinta leh rheology xooggan iyo viscosity sare, oo muujinaya sifooyinka rheological ee gaarka ah ee sepiolite.

Intaa waxaa dheer, sepiolite sidoo kale waxay leedahay sifooyinka dahaarka, midabaynta, dib u dhigista ololka iyo ballaarinta, taas oo leh qiime weyn oo codsi ah oo ku yaal beerta warshadaha.

2. Codsiyada ugu muhiimsan ee Sepiolitehabka budada bySepioliteshiidid

Iyada oo horumarka degdega ah ee dhaqaalaha Shiinaha, baahida suuqa ee deegaanka-saaxiibtinimo, agabka qiimaha sare leh ayaa sii kordhaya.Sepiolite waa nooc ka mid ah walxo aan dabiici ahayn oo leh xasillooni wanaagsan sababtoo ah qaab-dhismeedkeeda gaarka ah, kaas oo aan wasakhayn, deegaan-saaxiibtinimo iyo jaban.Ka dib markii lagu farsameeyo mashiinka wax shiida ee sepiolite, waxaa si weyn loogu isticmaali karaa beeraha kala duwan ee warshadaha, sida naqshadaha, farsamada dhoobada, diyaarinta kicinta, synthesis midab, sifaynta batroolka, ilaalinta deegaanka, balaastikada, iwm, taas oo saameyn weyn ku leh warshadaha Shiinaha. horumarin.Isla mar ahaantaana, dadku waxay bilaabeen inay fiiro gaar ah u yeeshaan codsiga hal-abuurka leh iyo horumarinta tignoolajiyada ee sepiolite, iyo dardargelinta dhismaha silsilad warshadeed oo casri ah si loo xalliyo yaraanta hadda jirta ee sepiolite ee suuqa qiimaha hooseeya ee alaabta.