CEO2chinhu chakakosha chezvinhu zvisingawanzo zvevasi pasi zvinhu. The therisingawanzo nyika ceriumine yakasarudzika yekunze yemagetsi zvigadzirwa - 4f15d15s2. Yayo yakakosha 4F danda rinogona kuchengeta zvinobudirira uye kusunungura magetsi, kugadzira cerium Ա dzinozvibata muIzwi + 3 Valence State uye 4 Valence State. Naizvozvo, zvigadzirwa zveCEO2 zvine mamwe oksijeni maburi, uye iva nekugona kwakanyanya kuchengeta uye kuburitsa okisijeni. Iyo yekuwirirana kutendeuka kwaCe (III) uye CE (IV) zvakare endows CEO2 Zvishandiso zvine akasiyana oxidation-kuderedzwa cartaltic kugona. Kuenzaniswa nemidziyo yakawanda, nano CEO2, semuenzaniso mutsva wezvinyorwa zvechirume, zvakaringana zvekusimudzira, okisijeni. Parizvino pane nhamba huru yekutsvaga mishumo uye inoenderana application uchishandisa Nano CEO2 seCoCalsSts, CatalySt Carriers
1. Kugadzirira nzira yeNanometercerium oxide
Parizvino, nzira dzinowanzo gadzirira nzira dzeNano ceria inonyanya kusanganisira nzira yemakemikari uye nzira yemuviri. Sekureva kwenzira dzakasiyana dzemakemikari, nzira dzemakemikari dzinogona kukamurwa kuita nzira yekutanga, hydrothermal nzira, nzira solvothothmal, sol nzira yeGelement, nzira yeMicroemulsion uye nzira yemagetsi; Nzira yenyama inyaya inonyanya kugeza nzira.
1.1 nzira yekugaya
Nzira yekunyevera yekugadzirira nano ceria inowanzo shandisa jecha kugeda, iyo ine zvakanakira mutengo wakaderera, kushamwaridzana kwekumhanya, uye kugona kwekugadzirisa kwakasimba. Parizvino ndiyo inonyanya kukosha nzira yekugadzirisa muNano Ceria Indasitiri. Semuenzaniso, kugadzirira kwaNano Cerius Ceridi oxder kupukutisa poda inogamuchira musanganiswa weCalcination Calcust Nekushandisa size yakasiyana size size size ichirova bead ratios, nano ceria ne d50 inotanga kubva kumakumi aanometers inogona kuwanikwa kuburikidza nekugadziriswa.
1.2 nzira yekutanga
Iyo nzira yekunyepedzera inoreva nzira yekugadzirira iyo solid solid powder nekupatsanurwa, kuparadzaniswa, kugeza, uye kuomesa, uye kusanzwisisika kwezvinhu zvakasvibirira zvakanyungudika mumifananidzo wakakodzera. Nzira yekunyepedzera inoshandiswa zvakanyanya mukugadziriswa kwevanhu pasi uye yakanyorwa nanomassials, nezvakanakira kugadzirira kwegadziriro yekugadzirira, kushanda kwakakwirira, uye mutengo wakaderera. Iyo inzira inowanzo shandiswa yekugadzirira nano ceria uye zvigadzirwa zvayo zvinoumbwa muindasitiri. Nzira iyi inogona kugadzirira nano ceria ine yakasarudzika morphology uye nekuchinja kwekushisa kwekushisa kwechiitiko cheUrea, uye kugadzirira kweNano Ceria microsphees kunodzorwa neCitrate ion. Nenzira imwe cheteyo, cerium ion inogona kuve yakagadzirirwa neOh - yakagadzirwa kubva kuHydrolysis yeSodium Citrate, uye yakazonyudzwa uye yakagadziridzwa kugadzirira fire of nano ceria microspheres.
1.3 hydrothermal uye solvothothomal nzira
Idzi nzira mbiri dzinoreva nzira yekugadzirira zvigadzirwa nekukwira-tembiricha uye yakakwirira-yekumanikidza kuita tembiricha yakatsoropodzwa mune yakasarudzika system yakavharwa. Kana iyo solitic isiriyo mvura, inonzi hydrothermal nzira. Zvinoenderana, kana iyo yekugadzirisa solvent solic solvent, inonzi solvothothothothomal nzira. Iyo yakakwenenzverwa nano turity ine yakanyanya kuchena, kuparadzaniswa kwakanaka uye yunifomu zvimedu, kunyanya nano nano poders ine akasiyana morphologies kana kufumurwa crupsal zviso zvakasarudzika. Disselve cerium chloride mumvura yakadzvanywa, simbisa uye wedzera sodium hydroxide solution. Ita hydrothermal pa 170 × kwemaawa gumi nemaviri kugadzirira cerium oxide nichorods ine yakafumurwa (111) uye (110) crystal ndege. Nekugadzirisa mamiriro ekuita, chikamu che (110) crystal ndege mune yakarongedzwa ndege dzinogona kuwedzerwa, kuenderera mberi nekuwedzera kwavo basa ravo repaliti. Kugadzirisa maitiro ekuita solvent uye nzvimbo yemukati inogona zvakare kuburitsa nano ceria cericles ine yakakosha hydrofirity kana lipophicity. Semuenzaniso, kuwedzera acetate ions kuchikamu chemaziso inogona kugadzirira monodisperse hydrophilic cerium oxide naneopparticles mumvura. Nekusarudza isiri-polar solvent uye kuunza oleic acid seye ligand panguva yekuita, monodisse lipeilic ceria nanharticles inogona kugadzirira mune isiri-polar organic sol. (Ona Mufananidzo 1)
Mufananidzo 1 monodisperse Spherical Nano Ceria uye tsvimbo-yakavezwa nano ceria
1.4 Sol Gel Nzira
Iyo Sol Gel Nzira inoshandisa mamwe kana akati wandei kana maChemical maitiro akadai sehydrolysis mune fomu yemvura kuumba, uye pakupedzisira yakaoma uye calcines kugadzirira Ultrafine Powders. Iyi nzira inonyanya kukodzera kugadzirira zvakanyanya kuparadzira yakawanda-compositive simbi, yakadai sesimbi, cerium zirconium uye imwe cerium zirconium uye imwe cermosite nano ousides, iyo yakataurwa mumishumo yakawanda.
1.5 Dzimwe nzira
Pamusoro penzira dziri pamusoro apa, kune zvakare nzira dzeMicronions, microwave synthesis nzira, Electrodeposition nzira, Plasma Flame Coppustion nzira, ion-exchinjana membrane Electrolysis uye dzimwe nzira dzakawanda. Idzi nzira dzine kukosha kukuru kwekutsvaga uye kushandiswa kweNano Ceria.
Kushandiswa kwe2-nanometer cerium oxide mumvura kurapwa kwemvura
Cerium ndiyo yakanyanya kuwanda pakati pezvinhu zvisingawanzo kuitika, nemitengo yakaderera uye zvikumbiro zvakakura. Nanometer Ceria uye macomari yayo yakakwezva kutarisisa zvakanyanya mumunda wemvura kurapwa kwemvura nekuda kwenzvimbo yavo yakakwira nzvimbo, yakakwirira yeCatalytic chiitiko uye kugadzikana kwakanaka.
2.1 Kushandiswa kweNano cerium oxideMukurapwa kwemvura neAdsorption nzira
Mumakore achangopfuura, nekuvandudzwa kwemaindasitiri senge indasitiri yemagetsi, huwandu hwakawanda hwemarara ane pollutants dzakadai sesimbi simbi uye fluorine ion yakabviswa. Kunyangwe pakutsungirira kwekutarisa, zvinogona kukonzera kukuvara kwakakura kune zvisikwa zvematongerwo enyika uye nharaunda yehupenyu hwevanhu. Dzinowanzoshandiswa nzira dzinosanganisira oxidation, kuronga, reverse, kushamwaridzana, kune tekinoroji yakagamuchirwa nekuda kwekushanda kwayo kwakareruka, kurapwa kwakaderera, uye kunyatsoita kurapwa. NARE CEO2 Zvigadzirwa zvine mamiriro akakwira nzvimbo uye yakakwira chiitiko sechiitiko, uye pakanga paine manhamba akawanda pane synceiss yeCo2 uye mainini maMorphologics kuti adsorb uye bvisa zvinokuvadza kubva mumvura.
Tsvagurudzo yakaratidza kuti nano ceria ine yakasimba adsorption yekugona kwe f - mumvura pasi pemamiriro ekunze emazwidhi. Mumhinduro neyekutanga kushamwaridzana Mushure mekutakura pane polwacrylic acid resin bhora (loading huwandu: 0.25g / g) Kana uchigadzirisa ka100 times The vhoriyamu, anopfuura 90% ye f - inogona kubviswa. Paunoshandiswa kuAdsorb Phosphato uye iodate, iyo adsorption yekugona kunogona kusvika pamusoro pe100mg / g pasi peiyo inoenderana neyakaenzana adsorption State. Chinyorwa chinoshandiswa chinogona kushandiswazve mushure mekushungurudzika uye kurapwa kwearenda, izvo zvine makomborero makuru ehupfumi.
Kune zvakawanda zvidzidzo pane adsorption uye kurapwa kwemitezo ine chepfu inorema senge arsenic, chromium, cadmium, uye tungamira uchishandisa nano ceria uye zvigadzirwa zvaro zvemari. Iyo yakakwana adsorption ph inosiyana kune inorema simbi ion ine akasiyana Valence States. Semuenzaniso, iyo isina kusimba alkaline mamiriro ane kusarerekera kune yakanakisa adsorption mamiriro eiyo se (II) inozokwikwidza mamiriro ekusagadzikana, apo iyo yekushambadzira inogona kusvika pane 110mg / g pasi pemamiriro ezvinhu maviri. Zvakazara, iyo yakagadzirirwa synthesis yeNano Ceria uye zvigadzirwa zvayo zvinokwana zvinogona kuwana yakakwira adsorption uye kubvisa mareti ekuregererwa kwakasiyana-siyana simbi simbi pamusoro penzvimbo yeP.
Kune rimwe divi, cerium oxide kugona kwe922.7mg / g mumaminitsi makumi matanhatu.
2.2 Kushandiswa kwaNano Ceria muAdvanced Oxidation Process
Advanced Oxidation Process (Aops kwenguva pfupi) inokurudzirwa kunatsiridza iyo iripo iripo yeanomuka kurapa system. Yepamberi Oxidation Process, inozivikanwawo seyakadzika oxidation tekinoroji, inoonekwa nekugadzirwa kwehydroxyl (· ceroxide radical (· ceroxide · oxygen, etc. ine yakasarudzika oxidation kugona. Pasi pemamiriro ezvinhu ekuita tembiricha uye kumanikidzwa, magetsi, kurira, kuyamwisa.
Mufananidzo 2 Kugadziriswa uye Technology Kusanganisa kweDembpeced Oxidation Process
Nano ceriais heteroxious fantst inowanzo shandiswa mune yepamberi oxidation maitiro. Nekuda kwekushandurwa nekukurumidza pakati peCE3 + uye ce4 + uye nekukurumidza oxidation-yekudzora maitiro akaunzwa neokisijeni yekunyudza uye kusunungurwa, nano ceria ine yakanaka catalytic kugona. Kana ichishandiswa sechipfuva chetiri, inogona zvakare kubatsira zvinobudirira kugona uye kugadzikana. NA NANO Ceria uye maComosite yayo inoshandiswa seCatalyStss, iyo Contalytic Zvivakwa zvakasiyana neiyo Morphology, Saizi yekristle, iyo zvinhu zvakadzama zvinokanganisa kuita kwavo uye kushandisa. Izvo zvinowanzoda kuti zvidiki zvidiki zvimedu uye zvakakura nzvimbo nzvimbo, iyo inoenderana nzvimbo inoshandira, uye yakasimba iyo yekugona kwehukama. Kugona kweChinese
Cerium oxide is siconductor zvinhu. Nanometer Cerium Oxide ichiridzwa nemapikicha ane simba rakakwira kupfuura bhendi reband, magetsi ebhendi anofara, uye shanduko yekudzivirira inoitika. Uyu maitiro achasimudzira huwandu hwekushandurwa hwaCe3 + uye CE4 +, zvichikonzera kusimba Photocatalytic chiitiko cheNano ceria. Photocatalysis inogona kuzadzisa zvakananga kusvibiswa kweiyo organic zvinhu pasina kusvibiswa kwechipiri, saka kunyorera kwayo ndiro tekinoroji yakanyanya kudzidza mumunda waNano Ceria muAops. Parizvino, iyo huru yekutarisa iri pane yekushambadzira kushatisa kurapwa kwe Azo Dyes, phenol, chlorobenzene, uye pharorobenzene Maererano nomushumo, pasi peiyo Optimised CatalySis nzira uye Catalytic mamiriro ezvinhu izvi zvinowanzo kusvika anopfuura 80%, toc) inogona kusvika anopfuura makumi mana muzana.
Nano cerius ceride catalis yekushatiswa kweiyo organic pollutants yakadai se ozone uye hydrogen peroxide ndeimwe tekinoroji yakadzidziswa. Zvakafanana nefoni Mukuita kwakadaro, mabhatiri anogona kuunganidza chizvarwa chehuwandu hwehuwandu hwekuridza radicals kubva kuOzone kana hydrogen peroxidi Nekuda kwekutanga kwe oxidants mukuita, kugona kubvisa makomputa organic kunowedzerwa kwazvo. Muzviitiko zvakawanda, iyo yekupedzisira kubvisa chiyero chechinangwa chinogona kusvika kana kusvika 100%, uye iyo toc kubvisa huwandu zvakare hwakakwira zvakare.
Mune electrocatalytic Advancal Oxidation nzira, izvo zvivakwa zveAyode neOxenil Oxygen.Polial gadziriso yeiyo Electrocatalytic yakadarika midziyo yekubata oxidation yekubata. Chinyorwa cheCathode chikamu chakakosha kuona kugadzirwa kweH2O2, uye kugadzirwa kweH2O2 kunotema kugona kweiyo electrocatalytic yakanyanya kufambira mberi oxidation nzira yekubata organic pollutants. Chidzidzo cheElectrode Kugadziridzwa Kwekugadziridzwa uchishandisa nano Ceria yakagamuchira yakapararira kutarisirwa uye pasi rese. Vatsvagiri vanonyanya kuunza nano cerium cerient oxide uye zvigadzirwa zvaro zvemakemikari nenzira dzakasiyana dzekugadzirisa zvinhu zvakasiyana-siyana, uye nekudaro kuwedzera kweElectrocatalytic chiitiko uye kwekupedzisira kwekubvisa.
Microwave uye Ultrasound kazhinji inowanzo kukosha zviyero zvezvinyorwa zvemhando yepamusoro. Kutora rubatsiro rwekupedzisira semuenzaniso, kushandisa vibration manzwi emazwi neye mafungu akakwira kupfuura 25khz pane yechipiri, mamirioni madiki anogadzirwa mumhinduro yakagadzirirwa neyenyatsochenesa yekuchenesa. Aya mabhuru madiki, panguva yekukurumidza kudzvinyirira uye kuwedzera, achigara achigadzira bubble kushandurwa, kubvumira zvinhu zvekutsinhana nekukurumidza uye kusanganisa pane zvinokonzeresa basa rekuita.
3 Mhedziso
NAAN Ceria Ceria uye zvigadzirwa zvayo zvemanyorero zvinogona kubata zvinobudirira ions uye organic Pollutants mumvura, uye vane mukana wakakosha wekushandisa muminda yemangwana yekurapa. Nekudaro, kutsvagisa kwakawanda kuchiri mubharatari nhanho, uye kuitira kuti uwane kukurumidza kushandisa mumvura kurapwa kwemvura mune ramangwana, nyaya dzinotevera dzichiri kugadziriswa nekukurumidza.
(1) Kugadzirira kwakanyanya mutengo we nanoCEO2Zvivakwa zvezvakanyorwa zvinoramba zviripo zvakakosha muhuwandu hwakakura hwezvishandiso zvavo mukurapwa kwemvura, izvo zvichiri mubhoritari yekutsvaga kwekutsvaga. Kuongorora zvakaderera-mutengo, nyore uye zvinobudirira gadziriro nzira dzinogona kudzora morphology uye saizi yeNano CEO2 yakavakirwa zvinhu ichiri kutarisisa kwekutsvaga.
. Iyo inowiririsa iyo ine zvimedu zvekushandisa kana zvemagineti zvinhu zvichave nzira yakakosha yekutsvaga kwekugadzirira kwayo uye kudzokorora tekinoroji.
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. Maitiro ekurapa ekurapa anowanzo kusanganisira kugara kwemari yakawanda pllutants, uye kusunganidzwa kwemari kuchabatana, nekudaro achichinja hunhu hweanomesa nanomeri. Naizvozvo, pane chinodikanwa chekukurumidza kuita kuti uwedzere kutsvagisa pazvinhu zvakabatana.
Kutumira Nguva: May-22-2023