Pakati pa osawerengeka, alumina ali ndi zida zabwino, kutentha kwambiri, ndikugwiritsa ntchito mankhwalawa Zipangizo zam'madzi zimagwiritsidwa ntchito kawirikawiri pamakampani, koma zimakhudza mwachindunji ntchito ya Alumu, moyo wautumiki ndi kusanza kwa chothandizira. Mwachitsanzo, munthawi yamagalimoto amadziyeretsa, zodetsa zomwe zimasungidwa kuchokera kuzinjini zowonjezera mafuta zimapanga coke, zomwe zimatsogolera ku Blockst Pores, motero kuchepetsa ntchito za chothandizira. Zogwiritsa ntchito zimatha kugwiritsidwa ntchito kusintha kapangidwe ka alumina chonyamulira kuti apange ma.ppod ntchito yake yothandizira.
Mayi ali ndi zolimba, ndipo zitsulo zogwiritsidwa ntchito zimayatsidwa pambuyo pa kuwerengetsa kutentha kwambiri. Kuphatikiza apo, kuwerengera kwapamwamba kwambiri, mawonekedwe a kuperekera moto amagwera, mafupa akugwera, ndipo acidity acidity sangathe kukwaniritsa zofuna zake. Mankhwala osinthika nthawi zambiri amafunikira kukonza ntchito yothandizira, kukhazikika kwamitundu yosiyanasiyana, nt, z nn, z adatulutsa mafupa.
Kusintha kwapadera kwamagetsi kwa zinthu zachilengedwe padziko lapansi kumapangitsa zinthu kukhala ndi maopasi, maginito ndi maginito, ndipo amagwiritsidwa ntchito pazinthu zamagalimoto, zinthu zojambulajambula, zinthu zotsatsa maginito. Zochitika zadziko lapansi zosinthika zosinthidwa zimatha kusintha asidi (alkali), kuwonjezeka kwa malo okhala ndi ma nanocrystalowne omwe ali ndi ma nanocrystarstrasts a sanlyges. Mu pepala ili, kusintha kwa dziko lapansi ndi magwiridwe antchito a May Kuthandizira kukonza ma catalytic, okhazikika, oxygen osungirako, malo apadera apadera ndi kapangidwe kake.
Kukonzekera kwa 1
1.1 Kukonzekera kwa alumina chonyamula
Njira yokonzekera ya alumina karvaer imasankha kugawa kwake kachilomboka, ndipo njira zake zofananira zimaphatikizapo pseudo-boehmite (pb) njira yodzipha. Pseudoboehmite (PB) adafunsidwa koyamba ndi deluve, ndipo H + ndi H-Aloohd Colloidal PB yokhala ndi madzi oyimitsa, omwe adawerengedwa ndi madzi otentha kwambiri kuti apange alumina. Malinga ndi zopangira zosiyanasiyana, nthawi zambiri imagawika njira yodyera, alcoholaluminum hydrolysis njira. Soloidal soubility ya PB imakhudzidwa, ndipo imakhudzidwanso ndi kuchuluka kwa magawo.
PB nthawi zambiri imakonzedwa ndi njira yopenyera. Alkali amawonjezeredwa mu njira yothetsera kapena acid imawonjezeredwa mwamphamvu yankho ndikupanga mpweya wabwino wa alumina, omwe amasambitsidwa, owuma ndi kuwerengetsa kuti apeze PB. Njira yoyendetsa mpweya ndi yosavuta kugwira ntchito komanso yotsika mtengo, yomwe nthawi zambiri imagwiritsidwa ntchito popanga mafakitale, koma imakhudzidwa ndi zinthu zambiri zowonjezera. Mu njira ya kaboni, al (o) 3is omwe amapezeka ndi zomwe amakonda co2nd Naalo2, ndi PB ikhoza kupezedwa akatha kukalamba. Njirayi ili ndi maubwino ogwirira ntchito, mawonekedwe apamwamba kwambiri, osayipitsidwa ndi ndalama zochepa, ndipo amatha kukonza ma alumion alkoxione Aluminiyam alkoxide imapangidwa kuti apange aluminium oxide monohhydrate, kenako amawapatsa PB yokhala ndi chiyero, kukula kwa tinthu tating'onoting'ono, kukula kwa cerele, kuphatikiza kwakukulu kwa tinthu tambiri. Komabe, njirayi ndiyovuta, ndipo ndizovuta kuti muchiritse chifukwa chogwiritsa ntchito zoopsa zina zoopsa.
Kuphatikiza apo, mankhwala osokoneza bongo a zitsulo amagwiritsidwa ntchito pokonzekera alumina mozama ndi njira ya solu-gel osakwanira amawonjezeredwa kuti akonzekeretse njira, yowuma ndikuwotcha. Pakadali pano, kukonzekera kusintha kwa alumina kukusinthabe pamaziko a njira ya alumina, ndipo njira yokonzedwa ndi chilengedwe komanso njira yomwe ingapangitse chidwi cha mafakitale.
1.2 Kukonzekera
Chimodzi alumina sichitha kukwaniritsa zofunikira zogwirira ntchito, motero ndikofunikira kukonzekeretsa kwambiri. Njira zophatikizira nthawi zambiri zimaphatikizapo: njira yopondereza nano yokhala ndi kaboni ngati template yolimba; Kaphatikizidwe wa SDA: Eisa) pamaso pa ma temlalations ofewa monga SDA ndi ena a cda, anionic kapena osagwirizana.
1.2.1 ESIS
Template yofewa imagwiritsidwa ntchito mu acidic mkhalidwe wovuta, womwe umaletsa njira yovuta komanso yanthawi yovuta ya njira yovuta ya membrane ndipo amatha kuzindikira kusinthasintha kwapamwamba. Kukonzekera kwa ma Maisa kwakopa chidwi chifukwa cha kupezeka kwake mosavuta. Magawo osiyanasiyana a mesopous amatha kukonzekera. Kukula kwa mabowo kwa ma anga kumasinthidwa posintha kutalika kwa hydrophobic kumangiririka kapena kulamula kaphatikizidwe kake ka masikelo F127, Trueetheolamine (Tiyi), etc. Eisa imatha kusintha misonkhano ya Aluminumon STRED SOL ndikulola kuti kukula kwa mesophase yopangidwa ndi ma mibicles owonjezera mu sol.
Mu Eisa ndondomeko, kugwiritsa ntchito ma sodi osungunuka (monga ethanol) ndi organic) kumachepetsa mphamvu ya ma hydrolysis ndi al (kapena) 3ndi) isopropoxide. Komabe, m'malo osasunthika osasunthika, ma tempulo ochulukitsa nthawi zambiri amataya hydrophilicity yawo / hydrobicity. Kuphatikiza apo, chifukwa cha kuchedwa kwa hydrolysis ndi polycondenstimetion ndi gulu la hydrophobic, zomwe zimapangitsa kuti zikhale zovuta kukhala ndi template ya ordictificnt. Pokhapokha ngati kuchuluka kwa zochulukitsa komanso kuchuluka kwa hydrolysis ndi polycondenation kwa aluminium kumawonjezeka pang'onopang'ono pakusintha kwa template ya template ndi aluminiyamu kumachitika. Chifukwa chake, magawo ambiri omwe amakhudza mikhalidwe ya EXPOOUST ya ma sol solmolys ndi madyerero azomwe amatengera otsogola, monga kutentha, zothandizira, zosungunuka, zimakhudza mtundu womaliza. Monga zikuwonetsera mkuyu. 1, zinthu zopanda mafuta ndi zolimba zolimba komanso zovuta zapakatikati zidapangidwa ndi solpothermal adathandizira kuti athetse msonkhano wokhazikika (Sa-Eisa). Mankhwala a Sollvoorthel adalimbikitsa ma hydrolysis athunthu a aluminium adawongolera magulu ang'onoang'ono a ma hydroxyl mesophase ndi ma 400 ℃ kupanga zonunkhira. Mu Eisa, njira yosinthira imaphatikizidwa ndi hydrolysis a econuruminum pambuyo pake Sollvoormal njira imalimbikitsa ma hydrolysis athunthu a aluminium ndikupanga pang'ono pang'onopang'ono ma aluminium hydroxyl mikhalidwe yosiyanasiyana. Poyerekeza ndi njira yachikhalidwe cha Eisa, oman njira ya Sa-Eisa ali ndi voliyumu yapamwamba kwambiri, malo abwino apamwamba komanso kukhazikika kwamphamvu. M'tsogolomu, njira ya Eisa itha kugwiritsidwa ntchito kukonza mawonekedwe a ultra-ikuluikulu mas ndi kutembenuka kwabwino kwambiri popanda kugwiritsa ntchito wothandizira.
Mkuyu. Tchati Choyenda cha SaiSa cha SaiSa kuti kaphatikizidwe kwa zinthu zonunkhira
1.2.2 Njira Zina
Kukonzekera kwa Makuma Makuma kumafunikira motsimikiza kwa kaphatikizidwe kuti akwaniritse mawonekedwe owoneka bwino, ndipo kuchotsedwa kwa ma terlate ndizovuta, zomwe zimasokoneza kapangidwe kake kake. Pakadali pano, malipoti ambiri anena kapangidwe ka ma ma template osiyanasiyana. M'zaka zaposachedwa, kafukufukuyu amayang'ana kwambiri pa kaphatikizidwe wa ma ndi shuga, surrose ndi wowuma pa ma template a aluminiom isopropoxited mu aluminium magwero a aluminium. Ma CTAB nawonso amapezeka ndi kusinthidwa kwa PB ngati ma emuminium gwero. Mai okhala ndi zojambula zosiyanasiyana, mwachitsanzo al2o3) -1, al2o3) -2 ndi al2o3and amakhala ndi bata. Kuphatikiza kwa Surtifoltict sikusintha kapangidwe kake korstal, koma zimasintha mawonekedwe a tinthu tambiri. Kuphatikiza apo, mapangidwe a alyo33-3 amapangidwa ndi chitsandikiro cha nanoparticles okhazikika ndi zosungunulira kapena kuphatikiza kuzungulira peg. Komabe, kufalikira kwapakati kwa al2o3-1 kuli kocheperako. Kuphatikiza apo, mphalapala yochokera ku Milata ya Palladium adakonzedwa ndi zopangidwa ndi ma pobyrice.in methane.
Kwa nthawi yoyamba, ma okhala ndi chopapatiza pore Njira yopanga imaphatikizapo njira yodulira pamtunda wotsika komanso kukakamizidwa kwachilendo. Tinthu tokha tinthu tating'onoting'ono tomwe timasiyidwa ndi chilengedwe, ndipo chimatha kuwunjikidwa ndi chiopsezo chochepa kapena kugwiritsidwa ntchito ngati chopondera kapena kuphatikizika mu konkriti. Malo omwe ali ndi mawonekedwe a syntuthested ma ndi 123 ~ 162m2 / g, gawo logawika la Pore ndi 5.3nm, ndi chidwi ndi 0.37 masentimita 0.37 / g. Zinthu zomwe zimapangidwa ndi nano komanso kukula kwa galasi ndi pafupifupi 11nm. Synthesi yolimba ndi njira yatsopano yoperekera ma statesite May, yomwe itha kugwiritsidwa ntchito kupanga ma radiochemical kuyamwa kwamankhwala. Aluminiyamu chloride, ma carmoum carbonate ndi zida zopangira zitsulo zophatikizika za 1: 1.5: 1.5: 1.5, ndipo zokolola zambiri za ma botrmal .
Kuwerenga, mtsogolomo, ma te temlagle yaying'ono imatha kupangira nyumba zolamula zovomerezeka, morphology ndi mawonekedwe a mankhwala a zida, ndikupanga malo akuluakulu ndikuyilamula ndikuwalamulira kupweteka. Onani ma tempulo otsika mtengo komanso mabungwe a aluminium, onetsetsani kapangidwe kake kake kake kake kake kake kamakina ndikuwongolera njirayi.
Njira yosinthika ya 2 ma
Njira zogawika mogwirizana ndi zonyamula pa mambo zimaphatikizapo kuphatikizika, in-synthetion, mpweya, ion kusakaniza ndi kusungunuka, komwe awiri oyamba amagwiritsidwa ntchito.
2.1 in-sucu synthesis njira
Magulu omwe amagwiritsidwa ntchito mu kusintha magwiridwe antchito amawonjezeredwa mu njira yokonzekerera kuti kusinthitsa ndikukhazikika kapangidwe kake kake kazinthu ndikusintha magwiridwe antchito. Njirayi ikuwonetsedwa pa Chithunzi 2. Liu et al. Syntusized NI / Mo-Al2o3in Stutu ndi P123 monga template. Onse a Ni ndi Mo adabalalitsidwa m'mayendedwe a Map, popanda kuwononga mawonekedwe a May, ndipo magwiridwe antchito ake mwachionekere anali owoneka bwino. Kulandila njira yokulirapo pamwambo pa gamma-al2o3scutete, poyerekeza ndi γ, muno3, al2Ahas yogawana ndi kagawo kakang'ono kwambiri. MNE2-Al2o3has mwachangu adsorrorption ndi bwino kwambiri kwa f-, ndipo ali ndi gawo la PH = 4 ~ 10), zomwe ndizoyenera kugwiritsa ntchito mafakitale. Kukonzanso kobwezeretsanso kwa mno2-al2o3is kuposa ku- al2o.urciation imafunika kuthandizidwanso. Kuwerenga, zida zosinthidwa zomwe zimapezeka ndi synthesis zabwino zimakhala ndi dongosolo labwino, kulumikizana mwamphamvu pakati pa magulu ndi zinthu zazikulu, ndipo sizophweka kugwirira ntchito.
Mkuyu. Kukonzekera kwa magwiridwe antchito ma-sike synthesis
2.2 njira yopanda tanthauzo
Kumiza kwa okonzedwa m'magulu osinthidwa, ndikupeza zinthu zosinthidwa pambuyo chithandizo, kuti azindikire zotsatira za catalysis, Adsorption ndi monga. Cai et al. Pokonzedwa ndi kuchokera ku P123 ndi njira ya sol-gel osalala, ndikugwedezeka mu ethanol ndi tetrathylenemlenteamine yankho la Amino kusinthidwa ndi magwiridwe antchito amphamvu. Kuphatikiza apo, Belkicacemi et al. Kuviikidwa mu Zncl2ssation ndi njira yomweyo kuti mupeze zida zosinthidwa za zinc.ngalo Poyerekeza ndi njira ya in-sulus ili ndi mawonekedwe abwino a Stopment, njira yokhazikika komanso njira yonyamula pakati, koma yonyamula mphamvu pakati pazinthu zakunja.
3 Kupita patsogolo
Kaphatikizo wa osowa kwambiri padziko lapansi ndi malo apadera omwe akutukuka mtsogolo. Pakadali pano, pali njira zambiri zophatikizira. Magawo a njirayi amakhudza magwiridwe antchito a ma. Malo omwe ali pachimake, vore voliyumu ya pore komanso m'mimba mwake amatha kusinthidwa ndi mtundu wa template ndi aluminium. Kutentha kwa matchulidwe ndi polyme template ndende imakhudza malo omwe ali ndi ma pore. Suzuki ndi Yamauchi adapeza kuti kutentha kwa kafukufuku kudachuluka kuchokera 500 ℃ mpaka 900 ℃. Zinyalala zitha kuwonjezeka ndipo malo apamwamba amatha kuchepetsedwa. Kuphatikiza apo, chithandizo chosowa cham'mimba chimatha kusintha zochitikazo, kukhazikika kwa mafuta, kukhazikika kwa mawonekedwe ndi mawonekedwe acidity a Macles ndondomeko ya ma catalytic, ndikukumana ndi chitukuko cha Mankhwala.
3.1 Kubera Adsorbent
Fuluorine mu kumwa madzi ku China ndiovulaza kwambiri. Kuphatikiza apo, kuwonjezeka kwa zinthu za fluorine mu matin sulfate solution ya elesion ya mbale ya electrode, kuwonongeka kwamitundu yamagetsi yokonzanso ma acid. Pakadali pano, njira ya Adsorption ndiyowoneka yowoneka bwino kwambiri pakati pa njira zomwe zimalepheretsa zonyowa. Alumbous alumnaus, aluminaus alumina, alumina ndi ena a ADSORDS agwiritsidwa ntchito pochotsa njira yolumikizirana kapena kukhazikika kwa alumu Mtengo wocheperako, koma ndi wocheperako wowonjezera wosauka wa fluoride, ndipo pa Ph <6 Kodi zingakhale ndi ma fluoride adsorption odekha .ma akopa chidwi chachikulu cha chilengedwe chifukwa cha malo ake apamwamba, ntchito zazikuluzikulu, zamagetsi komanso zamagetsi. KuUNU et al. okonzeka ma ndi ma fluorine ma fluorrapt kukula kwa 62.5 mg / g. Fluorine kuchuluka kwa Mayssorption ya ma a ma a ma a ma a ma accoriration kwambiri a ma accractoramic ake, monga malo enieni, magulu ogwirira ntchito am'mimba, kukula kwa kapangidwe kake kamene kamachita bwino.
Chifukwa cha ma acid a asidi wa lal komanso kukhazikika kwa fluorine, pali ubale wamphamvu pakati pa lamba ndi machesi a fluorine. M'zaka zaposachedwa, maphunziro ena apeza kuti latifisier amatha kusintha luso la ma fluoride. Komabe, chifukwa cha kukhazikika kwa zinthu zotsika kwambiri za Adsorbents Adsorso, zolengedwa zambiri zimaperekedwa mu njira yothetsera vutoli, zomwe zimapangitsa kuti kuipitsidwa kwamadzi sekondale ndikuvulaza thanzi la anthu. Kumbali inayo, kupsinjika kwakukulu kwa aluminiyamu m'madzi ndi chimodzi mwazingwe za thanzi la anthu. Chifukwa chake, ndikofunikira kukonzekera mtundu wazopanga zophatikizika ndi kukhazikika kwabwino ndipo palibe chotupa kapena chocheperako cha zinthu zina mu njira yochotsa fluorine. Osinthidwa ndi La ndi CE adakonzekera njira yopanda tanthauzo (LA / May Mand SE / Ma). oyang'anira okonda kwambiri adalemedwa bwino paulendo kwa nthawi yoyamba, yomwe idasokonekera kwambiri Kukula kwa Adsororption ya Fluorine, LA / Mate ili ndi malo owonjezera a hydroxyl, ndipo ma adsorraps a f ali mu dongosolo la LA / Ma> CE. Ndi kuchuluka kwa ndende yoyambirira, ma adsorraption okonda kumawonjezeka. Kuphatikiza apo, zodetsa za sulfate ma iyoni zimathanso zimakhudzanso zitsanzo za zitsanzo. Ngakhale kafukufuku wokhudzana ndi kuwonongeka padziko lapansi Njira yothetsera mu zinc Hydromegawalgy System, ndikukhazikitsa mtundu wowongolera woteteza bwino yankho lokhala ndi anthu osowa kwambiri a Nano Adsorbent.
3.2 chothandizira
3.2.1 Kusintha kwa kusintha kwa methane
Dzikoli loipa lingathe kusintha acidity (kukhazikika) zopangira matako, zimakulira kuntchito kwa oxygen, ndikusinthanitsa kwa oxalysts ndi diaforto tambala, sikeletini. Nthawi zambiri imagwiritsidwa ntchito kuthandiza zitsulo zabwino komanso zitsulo zosintha kuti zithetse chilolelo cha CO2. Pakadali pano, dziko lapansi lokhazikika la Mesopous limayamba kusinthika la Methane Kukhazikika ndi mtengo wotsika wa methane. Komabe, kuchimwa ndi kaboni ndi kasoparticles pansi kwa NI / Al2o3lead Kutalika kwa chothandizira. Chifukwa chake, ndikofunikira kuwonjezera agrorant, sinthani chonyamulira ndikuwongolera njira yosinthira ntchito ya ma catalytic, kukhazikika komanso kukana. Mwambiri, padziko lapansi okonda ma okondedwa amatha kugwiritsidwa ntchito ngati othandizira magetsi komanso amagetsi m'matumbo obalalika a NI ndikusintha zomwe zimapangitsa kuti zitsulo zitsulo zolimba.
Amagwiritsidwa ntchito kwambiri popititsa patsogolo zitsulo, ndikupereka zoletsa kuti zikhale zitsulo zogwiritsidwa ntchito kuti aletse kubula. La2o3with yosungirako oxygen yosungirako mpweya imawonjezera kukana kwa kaboni potembenuka, ndi lao2o3prototes obalalika a cossopeous alumina, omwe ali ndi kusintha kwamphamvu komanso kulimba mtima. La2o3prothothomer imawonjezera ntchito ya MDR ya CO / Max, ndi Coa4and Clas2phases imapangidwa pa chothandizira. Munjira ya MDR, kulumikizana kwa La2o3and CO2O2Mo2MEPASE, komwe kunapangitsa kuchotsa kwa cxhy pa chothandizira. La2o3prototes hydrogen pogwiritsa ntchito kachulukidwe ka electon ndikuwonjezera kusinthika kwa oxygen kwa 10% co / ma. Zowonjezera za La2o3Redulate mphamvu zotseguka za ch4Chonem. Chifukwa chake, kutembenuka kwa ch4nctinrona mpaka 93.7% pa 1073k k. kuwonjezera kwa malo ochepetsa kwa C2, adalimbikitsa kuchuluka kwa malo ogwiritsira ntchito, adapanga mpweya wa oxsigen mpaka 73.3%.
CE ndi PR adathandizidwa pa NI / Al2o3Catchst ndi njira yofananira bwino ku Liariafeeng. Pambuyo powonjezera CE ndi PR, kusankhidwa kwa H2Cincont ndipo kusankhidwa kwa coachepa. MDR idasinthidwa ndi luso labwino kwambiri la catalytic, ndipo kusankhidwa kwa H2.5% mpaka 75.6%, pomwe mawonekedwe a kutsika kuchokera pa 31.4% Peng shujing et al. Njira yogwiritsa ntchito sol-gel-gel-ce-zosinthidwa ma aluminium isopropoxide, isoppanol solvent ndi cehium nitrate hexhuhyd. Malo apadera a chinthucho chidawonjezeka pang'ono. Zowonjezera za CE zimachepetsa kuphatikiza kwa rod-ngati nanoparticles pa mawonekedwe. Magulu ena a hydroxyl pamwamba pa γ- al2o3threre kwenikweni amaphimbidwa ndi CE. Kukhazikika kwa matenthedwe kwa makhali kunakhazikika, ndipo palibe kusintha kwa galasi kwachitika pambuyo pa kuwerengedwa pa 1000 ℃ kwa maola 10.wang bawewe et al. okonzeka maboti a Ceo2-Al2o4by Coprecitation Njira. CEO2With Chuma chaching'ono kwambiri chinali chobalalika mwamphamvu ku Alumu. Pambuyo pothandizira co ndi mo pa ceo2-al2o4, kuyanjana pakati pa alumina ndi a alumina ndi ntchito kunali kolepheretsana ndi CEO2
Omwe amawalimbikitsa (La, CE, Y ndi SM) amaphatikizidwa ndi CO / Mathandizidwe a MDR, ndipo njirayi ikuwonetsedwa mu mkuyu. 3. Zocheperako kukula kwa tinthu, kulimba mtima kwa mgwirizano, kuthekera kwa ictalytic ndi yopanda chivundi, komanso zotsatira zabwino kwa olimbikitsa angapo pa MDR .FIG. 4 ndi chithunzi cha Herr Pambuyo pa Mdr Chithandizo cha 1023k, CO2: CH4: N2: 1: 3.1 Kwa maola 8. Tinthu tating'onoting'ono timapezeka ngati mawanga akuda, pomwe ma a ma a ma a ma a ma a ma a ma a ma mampor amapezeka ngati imvi, omwe amatengera kusiyana kwa electron. Mu chithunzi cha Hertem ndi 10% co / Ma (mkuyu. YCO / Mali ali ndi mgwirizano wogwirizana, ndipo magwiridwe ake ochimwa ndi abwino kuposa othandizira ena. Kuphatikiza apo, monga tikuwonera nkhuyu. 4b mpaka 4f, mabatani a Carbolow ma nanoowires (cnf) amapangidwa pa mphambato, zomwe zimalumikizana ndi kutuluka kwa mpweya ndikuletsa chothandizira kuchokera kutsuka.
Mkuyu. 3 Zotsatira zakusowa kwambiri padziko lapansi ndi mankhwala ndi mankhwala a MDR
3.2.2 Deoxidation Chothandizira
Feya3 / Meso-CEALSTERT CARACHATION, adakonzedwa ndi ma oxidation a maximagetation a 1- Butene yokhala ndi ma concherne ofewa, ndipo adagwiritsidwa ntchito pa kaphatikizidwe ka 1,3- meadiene (Bd). CE idabalalitsidwa kwambiri ku Alumu Mafuta, ndipo meso3 / meso idali yofalitsa kwambiri ndi mitundu yazosangalatsa kwambiri, motero ili ndi maluso abwino, motero ali ndi ma adsorption wabwino kwambiri ndi kutsegula kwa CO2. Monga taonera pa Chithunzi 5, tems zikuwonetsa kuti fee2o3 / Meso-Ceal-100 amawonetsa kuti kubereka kwamphamvu kwa matsoceal kumatsegulidwa bwino ku Alumu matrix. Zowonjezera Zazitsulo Zazitsulo Zamankhwala Pamakumana ndi Magalimoto a Ultra-Localt yapanga kapangidwe ka pore, yabwino hydrothermal stability ndi mphamvu yayikulu oxygen.
3.2.3 Chothandizira pamagalimoto
PD-RH yothandizidwa ndi aluminiyary aluminium alceztiox ndi allaztiox kuti apeze zida zogwirizanitsa zamagetsi. Mesopous Aluminium-zochokera ku dziko lapansi la PD-RH / Alc imatha kugwiritsidwa ntchito bwino ngati chitsimikizo cha CNG Khalani ndi njira imodzi yothandizirana yokhazikika kuti mukonzekere nkhani zamtundu wa Missite Geons kuti mudziyesere, zomwe zimayitanitsa kutsimikizika kwa "
Mkuyu. 4 Hertom Zithunzi za Ma (a), Co / Mac), Laco / Malco / Ma (E), a (e)
Mkuyu. Chithunzi cha Man.
3.3 magwiridwe antchito
Ma elekitoni a zinthu zachilengedwe padziko lapansi amasangalala kwambiri ndi mitundu yosiyanasiyana yamagetsi ndikuwunika. Anthu padziko lapansi nthawi zambiri amagwiritsidwa ntchito ngati oyendetsa pokonzekera zinthu zokwera. Ambiri a ion ion amatha kunyamula pansi pa alumminiyam rosphate zokwawa pogwiritsa ntchito njira yopumira ndi njira yosinthira ion Kuwala kwamphamvu komwe kuli pafupi ndi Ultraviolet dera.Mau amapangidwa kukhala mafilimu owonda chifukwa cha mafilimu, zomwe zimapangitsa kuti zigwire ntchito ma kristals, exum mibadwo. Zipangizozi ndi mafilimu okhazikika omwe ali ndi njira yotsimikizika, motero ndikofunikira kuti muchepetse mndandanda wazomwe ndi makulidwe a titanium dioxide ndi mndandanda wotsika kwambiri ndi mndandanda wotsika mtengo. Kupezeka kwazinthu zosiyanasiyana za zinthu zokhala ndi mitundu yosiyanasiyana ya mankhwala kumakulitsidwa, komwe kumapangitsa kuti zitheke kupanga masensa apamwamba. Kukhazikitsidwa kwa mafilimu a Maxyhydroxide popanga zida zowoneka bwino kwambiri chifukwa chosonyeza kuti index ndi ofanana ndi a silicon dioxide.But.
3.4 Kukhazikika kwa matenthedwe
Ndi kuchuluka kwa kutentha, kuchimwa kumakhudzanso kugwiritsa ntchito kwa magwiridwe, ndipo malo ena apamwamba amachepera ndipo γ-al2o3in prystalline gawo limasandulika mu Δ ndi θ to χ. Zida zapadziko lapansi zimakhala ndi mphamvu yabwino yamagetsi komanso kukhazikika kwa matenthedwe, kusinthasintha kwambiri, komanso kupezeka mosavuta komanso zotsika mtengo. Kuphatikiza kwa zinthu zachilengedwe padziko lapansi kumatha kusintha matenthedwe, kutentha kwambiri kwa oxidation kukana ndi makina a chonyamulira, ndikusintha acidity ya onyamula.la ndi gawo logwiritsidwa ntchito. Luiguang ndi ena adawona kuti kuphatikiza kwa zinthu zachilengedwe padziko lapansi mosiyanasiyana kwa Alumina, La ndi CE kuteteza chivundikiro cha ma hydroxys, ndikuchepetsa kuwonongeka kwa kutentha kwakukulu. Alumina okonzedwapobe ali ndi malo apamwamba kwambiri komanso vore voliyumu. Lihqiu et al. Wonjezerani 5% LA2O3TO γ-Al2O3, yomwe idasinthira mphamvu yamatenthedwe ndikuwonjezera voliyumu yophimba ndikuwonjezera malo onyamula alumina. Monga momwe mungawonekere kuchokera pa Chithunzi 6, La2o3addd ku γ-al2o3, kusintha kukhazikika kwa mafuta onyamula nthaka yonyamula nthaka.
Pakukongoletsa nano-fibrous tinthu tating'onoting'ono ndi ma ala ndi ma pore ndi pore okwera kuposa ma a Ma-Ma-Paspate kuposa ma a kutentha kutentha kwa madzi kutentha kwambiri. monga zikuwonetsera mkuyu. 7, ndi kuchuluka kwa kutentha, lalepheretsa kuchita za tirigu ndi kusintha kwa gawo, pomwe nkhuyu. 7A ndi 7c onetsani kudzikundikira kwa tinthu tating'onoting'ono. Mu mkuyu. 7b, mainchesi a tinthu tating'onoting'ono opangidwa ndi kuwerengedwa nthawi ya 1200 ℃ ndi pafupifupi 100nm.it amalemba ochimwa kwambiri a Ma. Kuphatikiza apo, poyerekeza ndi ma-1200, Ma-la-1200 sakuphatikiza kutentha. Ndi kuwonjezera kwa La, ma tinthu tating'onoting'ono tinthu tating'ono tomwe timatha kuwononga. Ngakhale kutentha kwambiri, matalala a LOPA akadali omwazika kwambiri pamtunda. LA Kusinthidwa ma anga kungagwiritsidwe ntchito ngati chonyamula cha PD mu C3h8oxidation.
Mkuyu. 6 Chitsanzo cha 6 cha kuphwanya alumina ndi zinthu zopanda pake padziko lapansi
Mkuyu. Mafayilo a Ming a Ma-400 (a), ma-1200 (b), Ma-la-400 (c)
Mapeto
Kukonzekera Kukonzekera ndi Ntchito Zogwiritsira Ntchito Zomwe Zida Zadziko Lonse zidayambitsidwa. Dziko lapansi lokhazikika mosinthika maja limagwiritsidwa ntchito kwambiri. Ngakhale kafukufuku wambiri wachitika mu catalytic ntchito, kukhazikika kwamafuta ndi adsorption, zinthu zambiri zimakhala ndi mtengo wambiri, kuchuluka kochepa, dongosolo losafunikira ndipo ndizovuta kuti zikhale zotukulidwa. Ntchito yotsatirayi iyenera kuchitika mtsogolo: Yambitsani kapangidwe kake ndi kapangidwe ka dziko lapansi zosinthika ma, sankhani njira yoyenera, kukwaniritsa ntchito yogwira ntchito; Khazikitsani mtundu wowongolera kutengera njira yogwiritsira ntchito ndalama kuti muchepetse ndalama ndikutha kupanga ma inshuwa; Kuti tiwonjezere zabwino za zinthu zapadziko lapansi za China zomwe zimachitika padziko lapansi, tiyenera kufufuza momwe kusinthidwa kwa zinthu zapadziko lonse lapansi, kusintha chiphunzitsocho ndi kukonza mivi yosiyanasiyana yosinthidwa.
Pulojekiti ya Fund: Shaanxi Science ndi Technology Yonse ya Fropy (2011ktdz01-040); Pulojekiti yachigawo ya Shaanxi 2019 yofufuzira ya sayansi (19JK0490); Ntchito yapadera ya sayansi ya Huaqing College, XI 'kuyunivesite ya zomangamanga ndi ukadaulo (20ky02)
Gwero: Dziko Lonse
Post Nthawi: Jul-04-2022