Takaitaccen bayani game da nau'ikan alumina daban-daban
Iri-iri na aluminum oxide wanda aka fi sani da alumina ta musamman, aluminum oxide mara ƙarfe ko sinadarai na aluminum oxide, aluminum oxide da aluminum hydroxide samfuran da aka bambanta ko samfuran faɗaɗawa. Dangane da sinadaran da ke cikinsa, tsarin lu'ulu'u, girman barbashi, tsarki, tauri, matakin sintering, da sauransu, za a iya raba su zuwa nau'ikan sama da 300. Yanayin nau'ikan alumina da yawa ya bambanta sosai, wasu na iya zama kamar saffir, wasu na iya zama mai laushi kamar foda talcum; Wasu suna da yawan da ya fi 3,200kg /m, yayin da wasu suna da yawan da bai kai 3.2kg/m2 ba. Wasu abubuwa marasa narkewa, amma wasu na iya narkewa a cikin acid da tushe, tare da aiki mai mahimmanci; Wasu ruwaye na iya zama kamar sieve na yashi, amma wasu suna da viscous ko ma thixotropic colloid kuma ba za a iya tace su ba; Wasu tsarin lu'ulu'u da diamita na lu'ulu'u na bambance-bambance iri-iri, wasu ba su da tsari; Wasu suna da ƙarfin shawa mai yawa, wasu ba su da ƙarfin shawa; Wasu suna da abubuwan kara kuzari masu aiki wasu kuma ba sa aiki. Duk da haka, fasali gama gari na Duk nau'ikan alumina, a kowace irin siffa, ana iya canza su zuwa alpha alumina idan an dumama su na dogon lokaci a yanayin zafi mai yawa. Ana amfani da nau'ikan alumina iri-iri a fannin sinadarai, magani, mai kara kuzari, roba, filastik, yin takarda, cikawa, launi da sauran fannoni. Tare da ci gaban kimiyya da fasaha da kuma amfani da sabbin kayayyaki, kasuwar alumina iri-iri tana ƙara faɗaɗawa da faɗaɗawa.
Ii. Rarraba nau'ikan alumina daban-daban
(I) Nau'o'in aluminum hydroxide iri-iri
1. Rarraba nau'ikan aluminum hydroxide iri-iri:
(1) Ruwan da aka cika na yau da kullun na aluminum hydroxide, D50 = 50 m, 70 m;
(2) Garin alumina hydroxide mai kyau, D50 ≤20 m;
(3) Foda mai ƙaramin aluminum hydroxide (hydroxide na ultrafine aluminum), D50 ≤1 m;
(4) Busasshen farin aluminum hydroxide, fari ≥93%;
(5) Babban farin aluminum hydroxide (agate na wucin gadi da kuma cika marmara ta wucin gadi), farin ≥95%;
(6) Ƙaramin alkaline (sodium) aluminum hydroxide, Na2O+K2O≤0.10%;
(7) Ƙaramin ƙarfe aluminum hydroxide, Fe2O3≤0.005%;
(8) Bauxite mai sirara kamar na lu'ulu'u? -alooh a matsayin bauxite mai ruwa ɗaya mai ruwa ɗaya na ruwa mai lu'ulu'u 1-2;
(9) Gel ɗin aluminum hydroxide, lu'ulu'u al2O3.NH2O, babban matakin shine nau'in lu'ulu'u mara tsari.
2. AMFANI da nau'ikan aluminum hydroxide daban-daban:
(1) Ana amfani da shi azaman maganin hana harshen wuta
Hydroxide na aluminum shine mafi kyawun abin cikawa na hana harshen wuta ga robobi, roba da sauran polymers na halitta da yadi. Kayan da aka yi da aluminum hydroxide a matsayin cikawa sune: polyester, epoxy, phenolic, polypropylene, polyethylene, polyvinyl chloride, robar butyraldehyde, neoprene, robar silicone da kuma rufin kariya daga wuta mai ci gaba, kafet na wuta, zane na wuta, bel ɗin jigilar wuta da sauransu. Saboda aluminum hydroxide fari ne, halayensa na zahiri da halayen sinadarai suna da kwanciyar hankali a ƙarƙashin yanayi na yau da kullun, babu sha danshi, babu canjin launi, ba shi da guba kuma babu wari, ana iya sarrafa girman barbashi kamar yadda ake buƙata. Lokacin da zafin jiki na dumama ya wuce 200℃, aluminum hydroxide yana fara shan zafi da ruɓewa, yana sakin ruwa mai lu'ulu'u guda uku. Mafi girman zafin jiki, saurin ruɓewa zai yi sauri, don haka yana hana hauhawar zafin polymer kuma yana taka rawar sanyaya, jinkirin harshen wuta da kuma hana wuta.
(2) Ana amfani da shi azaman kayan cikawa don dutse na agate na wucin gadi da marmara na wucin gadi
Tare da aluminum hydroxide da unsaturated polyester resin ko methacrylate resin na iya samar da kayan ado na marmara da agate na wucin gadi da kayan tsafta. Saboda aluminum hydroxide yana da ma'aunin refractive (1.57) wanda yake kusa da na polyester resin, ana samar da samfuran wucin gadi tare da haske mai haske da gamsarwa, kuma ana iya ƙara launuka daban-daban don tsara siffofi da ƙayyadaddun bayanai daban-daban. Samfurin kuma yana da halaye na babban inganci, nauyi mai sauƙi, babu radiation, babu karyewa, sauƙin yankewa, da sauransu, kuma an yi amfani da shi sosai a halin yanzu.
(3) Ana amfani da shi azaman cika takarda
Ana amfani da aluminum hydroxide a matsayin rufin saman, cikawa da takarda mara ƙonewa a cikin samar da takarda. Babban farin aluminum hydroxide mai haske yana da alaƙa da farin fari, girman barbashi mai kyau, rarrabawa iri ɗaya, da siffar lu'ulu'u mai layi, da sauransu. Yana iya maye gurbin farin titanium akan manufar rashin rage farin takarda da rashin haske, adana farashin takarda, inganta sheki na takarda, da inganta aikin bugawa.
(4) Ana amfani da shi azaman cika man goge baki
Aluminum hydroxide yana da ɗan ƙaramin yanayin gogayya kuma yana cikin kayan tsaka tsaki, cika man goge baki a matsayin maganin gogayya zai iya cire datti a kan haƙora da datti ba tare da lalacewa ba. Girman barbashi na aluminum hydroxide da ake amfani da shi azaman kayan cika man goge baki gabaɗaya shine D50 ≤7 m, kuma ƙarin alkali dole ne ya kasance ƙasa da 0.01%.
(5) Ana amfani da shi azaman kayan aikin magunguna
Ɗaya daga cikin manyan abubuwan da ke cikin maganin ciki shine aluminum hydroxide, wanda zai iya kawar da acid na ciki kuma yana da kyau a yi amfani da shi wajen yin maganin ciki.
(6) A matsayin albarkatun sinadarai
Saboda aluminum hydroxide wani abu ne mai kama da amphoteric, ana iya narkewa da sauri a cikin acid mai ƙarfi ko alkali, don haka ya zama kayan da aka yi amfani da su don gishirin aluminum da yawa. Kamar aluminum sulfate da alum samfurin aluminum hydroxide ne don amsawa da sulfuric acid da gishirinsa, polyaluminium chloride samfurin aluminum hydroxide ne don amsawa da hydrochloric acid, aluminum fluoride samfurin aluminum hydroxide ne don amsawa da hydrofluoric acid, da sauransu, tare da aluminum hydroxide (ko sodium aluminate solution) a matsayin kayan masarufi, zai iya samar da 3 a, 4 a, 5 a 13 x molecular sieves, 10 x, da Y type molecular sieves.
(2) Alumina da aka kunna
Akwai nau'ikan lu'ulu'u guda takwas na alumina:,,,,,, da. Ta hanyar dumama da kuma fitar da sinadarin aluminum hydroxide a yanayin zafi daban-daban, ana iya samun nau'ikan lu'ulu'u daban-daban na aluminum oxide. Duk da haka, idan aka gasa shi a zafin da ya wuce 1200℃, sauran nau'ikan lu'ulu'u na aluminum oxide za a mayar da su zuwa -alumina. Alpha - alumina ana kiransa high - zafin jiki alumina, wanda kuma aka sani da inert alumina, sauran lu'ulu'u bakwai na lu'ulu'u ana kiransu low - zafin jiki alumina, wanda kuma aka sani da activated alumina.
A matsayin sinadarin alumina, hanyar da kuma takamaiman tsarin sauyi na mataki suma sun bambanta sosai saboda bambancin zafin gasawa, lokacin gasawa da kuma yadda sinadarin ke aiki. Lokacin da sinadarin aluminum hydroxide ya bushe da sauri a zafin 400-600 ℃, saboda cire ruwa, saitin kristal ɗinsa ya wargaje, saman kristal ɗin ya zama sako-sako, kuma an samar da ramuka da tsage-tsage da yawa, wanda hakan ke haifar da ƙaruwa mai kaifi a yankin musamman na saman. Alumina mai tsarin ramuka masu dacewa, girman ramuka mafi girma da kuma yankin musamman na saman yana da babban aiki. Ana iya amfani da mai ɗaukar sinadarin catalyst ko mai ɗaukar sinadarin catalyst da aka samar don turare, fashewar hydrocarbon ko haɗa shi, bushewar ruwa, oxidation, dehydrogenation, hydrogenation, reforming, desulfurization, dechloritization, defluorination da sauransu. Haka kuma ana iya naɗe alumina mai kunnawa zuwa ƙwallo ko matse shi a cikin tsiri a matsayin mai cire ruwa da iskar gas, ana amfani da shi don sanyaya ruwa, busar da iskar gas, busar da kayan aiki da kuma zaɓaɓɓen shaye-shayen abubuwa ko gurɓatattun abubuwa a cikin ayyukan masana'antu. Bugu da ƙari, yana da manne mai ƙarfi, kuma shine kayan da ake amfani da su wajen kera kayan da ke hana wuta da yumɓu.
(3) Aluminum mara aiki
Ana kuma kiran sinadarin aluminum oxide mai zafi sosai, sinadarin aluminum hydroxide ko wani sinadarin aluminum oxide mai haske wanda aka samar da shi a zafin jiki na 1200℃ ko makamancin haka - sinadarin aluminum oxide. A matsayinsa na sinadarin karfe, sinadarin alpha-alumina yana da kyawawan halaye na zahiri da sinadarai. Yana da kyakkyawan haɗin kai tsakanin molecular, yana da cikakken tsari, kuma yana iya jure canje-canje daban-daban na sinadarai. A lokaci guda, sinadarin alpha-alumina yana da fa'idodin ma'aunin narkewa mai ƙarfi (2050℃), ƙarfin tauri, kyakkyawan aikin kariya, ƙarfin injina mai ƙarfi, juriyar gogewa mai kyau, da ƙarfin juriyar zafi da juriyar zafi, don haka ana amfani da shi sosai a fannoni masu zuwa:
1.mai tsaurin kai
Saboda yawan narkewar sa, kyawawan halayen injiniya da juriyar tsatsa a yanayin zafi mai yawa, ana amfani da alpha-alumina don samar da kayan hana tsatsa daban-daban, kamar tubalin hana tsatsa mullite da alumina, tubalin hana tsatsa corundum da kayayyakin corundum, da kuma amorphous refractory castables.
2.High alumina yumbu
Sakamakon yawan -alumina yana da girma, yana iya samar da jiki mai laushi, da juriya ga lalacewa da ƙarfin injiniya mai yawa, don haka ya dace da samar da faranti mai jure lalacewa, kamar niƙa da nau'ikan ƙwallon porcelain, bututun yashi, goga na ruwa, da sauransu, amma kuma saboda kyakkyawan juriyarsa ga zafi, ƙarfin tasirin zafi, wanda ya dace da samar da kayan aikin yumbu. Saboda aikin rufewa mai zafi, ƙarancin sodium -alumina ya dace da samar da filogi da masu hana walƙiya don kayan aikin lantarki masu zafi, allon ƙaramin fim na lantarki da aka haɗa, sassa na yau da kullun da sauran faranti mai hana iska mai yawan mita. Ana amfani da Alpha-alumina sosai wajen samar da tukwane na gine-gine, tukwane na masana'antu, tukwane na lantarki na lantarki, kayan tsafta da tukwane masu rai, da kuma tukwane na sarrafawa, kamar tubalin yumbu da aka yi da alpha-alumina, benaye na yumbu, sandunan birgima na yumbu, famfunan yumbu, matatun yumbu, da sauransu.
3. Kayan da ke hana bushewa (kayan da ke hana bushewa)
Saboda tsananin taurinsa, ana iya amfani da alpha-alumina a matsayin kayan niƙa, kayan niƙa da kayan da ke jure lalacewa. Idan za a iya amfani da shi azaman ƙarfe, ƙarfe mara ƙarfe, filastik, itace ko zare na itace da duk wani nau'in kayan niƙa da goge dutse (gami da fitar da ja), zai iya yin ƙafafun niƙa, kayan aikin juyawa da sauran kayan aikin yankewa, ana iya amfani da su a cikin layin lalacewar saman katako da wasu kayan aiki ko samfuran ƙarfe.
(4) Tsarkakken alumina mai inganci
Babban tsarkin aluminum oxide yana nufin abun da ke cikin AL2O3 > 99.99%, granularity < 1 mu m high purity superfine alumina foda, ana amfani da shi galibi don sintering na alumina mai haske, mai ɗaukar haske, fitilar sodium mai matsin lamba, kayan aikin jiki da sinadarai masu inganci, ƙashi na wucin gadi, substrate na semiconductor substrate (C), kayan cike tef ɗin rikodi, matsakaici mai tacewa, kayan gogewa masu inganci, yumbu na musamman, kayan aikin yankewa, crucible mai tsarki, a kusa da axis, makasudin jefa bam, bututun tanderu, kayan marufi, kayan lu'ulu'u guda ɗaya, duwatsun wucin gadi, da sauransu.; Yana iya inganta ƙanƙantawa, gajiya mai sanyi da zafi, tauri karyewa da juriyar rarrafe na yumbu. Yana iya inganta juriyar sawa na samfuran kwayoyin halitta, ana amfani da shi don filastik, ƙarfafa roba da tauri, juriyar sawa, fillers masu jure zafi da ci gaba da cika kayan kwalliya; A lokaci guda, ana amfani da shi azaman mai jigilar mai da mai jigilar mai a masana'antar petrochemical da taki, fasahar laser azaman kayan aiki don gilashin laser neodymium da kayan laser ruby, azaman kayan kariya na ci gaba a masana'antar wutar lantarki, sararin samaniya masana'antu, a matsayin maganin saman jiragen sama, rokoki da tauraron dan adam na wucin gadi, da sauransu. Tare da ci gaban al'umma da ci gaban kimiyya da fasaha, fagen aikace-aikacen tsarki mai kyau da alumina mai kyau yana faɗaɗa, kuma hasashen kasuwa yana da matuƙar kyau.
(5) Corundum
Ana kiran lu'ulu'u na alumina na halitta corundum, wanda galibi yana da launuka daban-daban saboda ƙazanta daban-daban. Yana da lu'ulu'u na gilashi ko lu'u-lu'u, tare da yawan 3.9-4.1g /cm3 da tauri na 8.8. Ana kuma kiran corundum na halitta dutse mai daraja. Waɗanda ke da ƙaramin adadin chromium oxide a cikin lu'ulu'u su ne ruby, waɗanda ke da ƙaramin adadin ƙarfe da titanium su ne saffir, kuma waɗanda ke da ƙaramin adadin ƙarfe da cobalt su ne emerald.
Yawan sinadarin corundum na halitta a yanayi yana da ƙanƙanta sosai, kuma galibi ana amfani da shi don ado. An yi corundum da ake amfani da shi don kayan masana'antu ta hanyar wucin gadi. Akwai nau'ikan corundum na wucin gadi guda biyu: corundum da aka haɗa da kuma corundum na sintered. Akwai nau'ikan da suka fi haka:
1. An haɗa corundum
Alumina mai haɗe-haɗe ya ƙunshi farin alumina mai haɗe-haɗe da launin ruwan kasa mai haɗe-haɗe.
An yi farin corundum da aka haɗa da alumina na masana'antu kuma ana narkar da shi a cikin tanderu mai ƙarfi a zafin jiki sama da 2000℃. Yana da halaye na fari mai yawa, tsarki mai yawa, tauri mai yawa, kaifin kai mai kyau, ƙarfin niƙa mai ƙarfi, ƙarancin zafi, juriyar tsatsa, juriyar zafin jiki mai yawa, kwanciyar hankali mai kyau na zafi da sauransu. Ana iya amfani da shi don yin kayan niƙa da gogewa na zamani, kayan aikin niƙa da aka yi da shi, niƙa ƙarfe mai yawan carbon da bakin ƙarfe; Hakanan ana amfani da shi sosai wajen samar da ƙirar siminti mai ƙarfi da daidaito, wanda ake amfani da shi don yin yumbu na musamman da kayan soja, lantarki da sauran kayan fasaha masu girma; Corundum da aka samar daga babban tsarkin ultrafine alumina kuma ana iya amfani da shi azaman duwatsu masu daraja na wucin gadi.
An yi corundum mai launin ruwan kasa, wanda aka fi sani da emery, da bauxite, anthracite da tarkacen ƙarfe ta hanyar narkewa a zafin jiki sama da 2000℃ a cikin tanda mai amfani da wutar lantarki. Launinsa launin ruwan kasa ne.
Ana siffanta corundum mai launin ruwan kasa da tauri mai matsakaici, yawan tarin abubuwa masu yawa, kyakkyawan lu'ulu'u, ƙarancin faɗaɗa layi, kyakkyawan tauri da juriya ga tsatsa, da sauransu. Ana amfani da shi sosai a cikin kayan lalata yashi, gogewa, cikawa, matattarar tacewa, kayan yankewa, abubuwan hana ruwa gudu, gogewa da yumbu.
2. Corundum mai laushi
An yi shi da sinadarin sinted corundum bisa ga masana'antu ko tsarkin alumina bauxite a matsayin kayan da aka yi da kayan niƙa mai kyau, wanda aka yi shi da ƙwallon niƙa mai kyau ko jiki, a cikin zafin jiki mai zafi na 1750-1900 ℃, kuma yana da babban sirri, ƙarancin porosity, hatsi mai ƙarfi, kyakkyawan juriya ga girgizar zafi a zafin jiki mai yawa da juriya ga yashewa, wanda aka yi amfani da shi sosai don yin abrasive mai ƙarfi da abrasive.
3. Corundum na tebur
Corundum na farantin wani nau'in foda ne na aluminum oxide mai tsarki, wanda da farko ake niƙawa, a cire shi sannan a busar da shi sannan a yi masa calcined a zafin jiki mai zafi na 1850-1950℃. An samar da shi da ingantaccen tsari na farantin da kuma tsarin lu'ulu'u mai girman hatsi. Abu ne mai kyau wanda ke da tsafta sosai, kwanciyar hankali mai kyau, ƙaramin raguwa bayan an sake kunna shi da kuma juriyar girgiza mai ƙarfi. Ana samar da farantin corundum ta hanyar sintering, amma kuma ta hanyar narkewar lantarki.
6) Gishirin aluminum
Gishirin aluminum yana nufin mahaɗan aluminum. Gishirin aluminum kaɗan ne kawai aka fi amfani da su a nan.
1. Sulfate na Aluminum
Aluminum sulfate yana da aluminum sulfate da polyaluminum sulfate, aluminum ammonium sulfate (ammonium alum), aluminum sulfate potassium (alum ko potassium alum), gabaɗaya tare da sulfuric acid da aluminum hydroxide ko bauxite, kaolin, fly ash da sauran samar da ma'adanai na aluminum. Aluminum sulfate galibi ana amfani da shi azaman reagent na masana'antu, flocculant, wakilin maganin ruwa, yin takarda, da sauransu, kuma ana amfani da shi wajen samar da wasu samfuran sinadarai masu ɗauke da aluminum. Ana amfani da Polyaluminum sulfate galibi don maganin ruwa na saman ruwa; Ana iya amfani da Alum azaman mai yin yisti, mai hana ruwa shiga da kuma mai fitar da ruwa ga abinci. Ana amfani da Alum a maganin gargajiya na kasar Sin da foda na yin burodi. Haka kuma ana amfani da shi wajen yin takarda, fenti da kuma azaman mai hana ruwa shiga.
2. Aluminum chloride
Ana amfani da aluminum chloride da polyaluminum chloride (aluminum sol) a cikin carbonate na aluminum, wanda galibi ana shirya shi ta hanyar amsawar hydrochloric acid tare da ƙarfe aluminum, aluminum hydroxide ko ma'adanai masu ɗauke da aluminum. Aluminum chloride da polyaluminum chloride nau'in tsarkake ruwa ne mai ƙarancin farashi da sakamako mai kyau, kuma ana iya amfani da su azaman girman takarda, tace sukari, ƙera siminti, hana wrinkles, ɗaukar mai kara kuzari, ɗaurewa, tace magunguna, saita siminti cikin sauri, kayan kwalliya, da sauransu.
3. Aluminum fluoride da sodium fluoride
Gishirin aluminum fluoride da sodium fluoaluminate manyan gishirin fluoride guda biyu ne. Ana amfani da aluminum fluoride a matsayin maganin daidaitawa a cikin hanyar tace aluminum ta electrolytic. Foda ce mai launin fari mai kama da allura. Tsarin samar da aluminum fluoride yana da hanyar danshi da kuma hanyar bushewa. Saboda buƙatun kariyar muhalli, ana kawar da hanyar danshi a zahiri kuma ana amfani da hanyar bushewa sosai don samarwa. Tsarin samar da busasshiyar aluminum fluoride ya haɗa da tsarin gado mai ruwa-ruwa na Kamfanin Luqi a Jamus, tsarin gado mai ruwa-ruwa mai yawa na kamfanin Booth a Switzerland da kuma haɗa HF ALF3 tsarin tanderun zafi na ciki da waje na kamfanin Pincnair a Faransa. Tsarin busasshiyar shine samar da sinadarin calcium sulfate (gypsum) da iskar HF ta hanyar amsawar fluorite da sulfuric acid, sannan a samar da aluminum fluoride ta hanyar amsawar gas HF da aluminum hydroxide bayan bushewa. Lokacin da aka samar da takin phosphate daga samar da fluoride na aluminum, tsarin aikin danshi na kamfanin Linz na Austrian, na farko ya cika buƙatun maganin fluorosilicic acid kafin dumamawa, sannan a cikin tankin da aka zuga tare da aluminum hydroxide (ko bauxite slurry) a wani yanayin zafin jiki, aluminum fluoride da silica (hazo); Hakanan za'a iya amfani da ruwan ammonia da amsawar fluorosilicic acid, samuwar ammonium fluoride da silica gel (hazo), sannan tare da maganin ammonium fluoride da aluminum hydroxide a ƙarƙashin wani yanayi na zafin jiki da matsin lamba, samuwar aluminum fluoride.
Sodium fluoroaluminate (wanda kuma aka sani da cryolite) wani hadadden fluoride ne, yawanci launin toka ne mai launin toka ko foda, wanda galibi ake amfani da shi a cikin aluminum mai narkewa a matsayin mai narkewa. Tsarin samar da sodium fluoroaluminate ya haɗa da hanyar soda fluoroaluminate, wacce da farko ke amsawa da hydrofluoric acid da aluminum hydroxide don samar da fluoroaluminate, sannan kuma ta yi aiki da soda don samar da sodium fluoroaluminate (cryolite).
4. Sauran gishirin aluminum
Ana iya amfani da aluminum nitrate a matsayin mai kara kuzari ga hada kwayoyin halitta, mai guba a masana'antar bugawa da rini, mai kare fata, da sauransu, wanda galibi ana yin sa ne ta hanyar yin amfani da aluminum ko aluminum hydroxide tare da nitric acid.
Ana iya amfani da sinadarin phosphate na aluminum a matsayin maganin kwari. Yawanci ana shirya shi ta hanyar ƙona gaurayen foda na aluminum da jan phosphorus.
Siffofin kwayoyin halitta na jerin aluminum phosphate suna da ƙarfin musayar ion mai yawa da kuma aikin catalytic kuma an shirya su ne ta hanyar amsawar aluminum hydroxide da phosphoric acid.
Ana iya amfani da aluminum dihydrogen tripolyphosphate azaman launin hana lalata, mai hana narkewar abinci (deodorant), ethylene zuwa ethanol mai kara kuzari, gabaɗaya daga amsawar ƙarfe aluminum ko aluminum hydroxide tare da phosphoric acid.
Ultrafine aluminum silicate foda ce mai launin fari mara tsari wanda ke da kyakkyawan dakatarwa da kuma kamannin fari mai tsabta. Ana amfani da ita sosai a cikin shafa fata, bugu da rini, tawada ta bugawa, yin takarda, filastik, roba da sauran fannoni tare da wasu launuka (farin titanium). Ana iya amfani da crystalline aluminum silicate a matsayin mai kara kuzari don bushewar iskar methanol don samar da dimethyl ether. Ana iya amfani da aluminum silicate na yau da kullun azaman kayan rufi. Ana shirya aluminum silicate gabaɗaya ta hanyar amsawar gilashin ruwa tare da aluminum sulfate.
Ana iya amfani da lu'ulu'u na borate na aluminum a matsayin kayan ƙarfafa filastik, ƙarfe, yumbu, gabaɗaya tare da aluminum oxide da boron ko boron oxide da aka gauraya, bayan an yi amfani da ruwan tururi a yanayin iskar gas na aluminum fluoride da boron oxide, wanda aka yi da aluminum borate lu'ulu'u.
(vii) wasu nau'ikan alumina iri-iri da samfuran faɗaɗa masu alaƙa
Sauran nau'ikan alumina har yanzu suna da carbonated aluminum, aluminum oxide fiber, aluminum oxide film, SB powder, ban da aluminum gallium alloy shot, trimethyl-aluminum da sauran organic aluminum suma sune samfurin da ke da babban abun ciki na fasaha. Alumina fiber ya ƙunshi -Al2O3 single crystal fiber, -Al2O3 dogon fiber, -Al2O3 short fiber, wanda galibi ana amfani da shi azaman ƙarfe, filastik, roba, kayan ƙarfafa yumbu, kayan hana ruwa da kayan hana ruwa don yanayin harba roka, emulsion na mai da ruwa, cakuda mai da ruwa da manne da kayan raba ruwa da tacewa, kuma ana amfani da shi azaman mai ɗaukar mai don canza hydrocarbon. Foda SB shine kayan da ake amfani da su don haɓakar hydrogenation da sauran abubuwan hana ruwa masu inganci. Alumina da hydrogen suna samuwa ta hanyar ƙarfin amsawar ƙwayoyin ƙarfe na aluminum-gallium a cikin ruwa, wanda shine tsarin samar da hydrogen mai kyau ga motocin da ke amfani da hydrogen nan gaba. Ana amfani da Trimethyl aluminum azaman mai haɓaka polymerization olefin, man roka da kayan da aka ƙera don yin trimethyl gallium.
Ana iya amfani da ma'adinin bauxite don samar da kayan da ba su da ƙarfi, flocculants na maganin ruwa, masu haɓaka fashewar filin mai, corundum mai launin ruwan kasa da simintin alumina mai yawa, foda na calcium aluminate ko simintin aluminate na calcium, da sauransu, kuma ana iya samar da ƙarfe na aluminum-silicon ta hanyar dumama lantarki.
Ana iya amfani da jajayen laka da alumina ke samarwa a matsayin maganin rage radadi da kuma maganin inganta ƙasa ga tashoshin wutar lantarki da ake amfani da su wajen amfani da kwal. Bayan cire sinadarin sodium, ana iya amfani da shi wajen samar da siminti, kayan bango, ceramsite, da sauransu. Daga jajayen laka kuma ana iya amfani da shi wajen fitar da foda na ƙarfe, scandium mai wuya, bismuth da sauran karafa masu daraja.
Ana iya amfani da matsakaicin samfuran aluminum oxide, ruwa sodium aluminate da solid sodium aluminate (clinker mai sintered), azaman mai haɓaka siminti ko amfani da shi wajen samar da mai haɓaka siminti; ana iya dawo da Gallium, vanadium da sauran ƙarfe masu daraja kuma a cire su daga ruwan giya na matsakaici wanda alumina ke samarwa.
Lokacin Saƙo: Satumba-15-2020