Sezvo isu tese tinoziva, nyika isingawanzo michero muChina inonyanya kuumbwa nechiedza chisingawanzoitika pasi zvikamu, zvaro lanthanamu uye cerium account yeanopfuura makumi matanhatu muzana. Nekuwedzera kwezvinhu zvisingawanzo zvachose magnet zvinhu, zvisingawanzo kupopotedzana kwepfuma mugore rakawanda regedhi. China. Inowanikwa kuti mwenje hausi rePasi zvinhu zvinoratidza zvakanaka catalytic performance uye kushanda mune yemakemikari maitiro ekugadzirisa nekuda kweiyo yavo yakasarudzika 4F emagetsi emagetsi emagetsi emagetsi. Naizvozvo, uchishandisa mwenje hadzivapo pasi sezvakaita catarilyttic zvinhu inzira yakanaka yekushandiswa kwakazara kwekusagadzikana kwepasi. Catalyst rudzi rwechinhu chinogona kukurudzira makemikari maitiro uye haina kudyiwa isati yasvika uye mushure mekuita. Kusimbisa kutsvagisa kwekutanga kweCarirel Pasi Pasi Pasi hakugone kungogadzirisa mari yekugadzira, asi zvakare chengetedza zviwanikwa uye simba uye kuderedza kusvibiswa kwezvakatipoteredza, iyo inoenderana nekutungamira kwekutanga kwekusimudzira.
Nei zvisingawanzo kuitika zvinhu zvevhu zvine chekuita nebasa?
Zvisingawanzo zvepasi zvinhu zvine chimiro chakakosha zvemagetsi zvemagetsi (4F), izvo zviito zvemagetsi centration yehuwandu hwehuwandu hwekubatana uye vane nhamba yekubatanidza yegumi nenhamba yezvinhu zvisingawanzo tarisa kuti vane "vakasara valence". Nekuti 4f ine nomwe backup valektron lectron nekurovedza muviri Naizvozvo, zvisingawanzo kuitika zvinhu zvisina basa, asi zvakare zvinogona kushandiswa sekuwedzera kana cocatalyst
Parizvino, basa raNano cerium oxide uye nano lanthanum oxide mukurapa kwemotokari kuneta kwave kutarisisa idzva.
Zvikanganisa zvikamu mumotokari kuneta zvinonyanya kusanganisira co, HC uye Nox. Pasi risingawanzo shandiswa muPasi Pasi Pasi Pasi Pasi Pehatidziro Catalyst iri kunyanya musanganiswa wecerium oxide, praseodymium oxide uye lanthanum oxide. Iyo Rare Pasi Pasi Pasi Pasi Kuzeya Kuchenesa Catalyst inoumbwa nemhodzi yakaoma yepasi uye cobalt, manganese uye kutungamira. Irudzi rwepasirese yekushambadzira nePerovskite, spinel mhando uye chimiro, mune iyo cerium oxide icomputsics.Ue kune iyo redox maitiro ecerium oxides, izvo zvinhu zvinopedza simba zvinogona kudzorwa zvinobudirira.
Mota yakaneta yekuchenesa inochenesa inoumbwa inonyanya kuumbwa nehuchi ceramic (kana simbi) yekutakura uye pamusoro akaomeserwa coating. Iyo yakagadziriswa coating yakaumbwa nenzvimbo hombe γ-al2o3, huwandu hwakakodzera hwehukuru hwekusimbisa nzvimbo nzvimbo uye simbi inoshanda inoshanda yakapararira mukucheka. Kuti uderedze kudhinda kwePT uye RH, wedzera kudhinda kwePD uye kuenderera mberi nekuita mari yekuchenesa. Catalytic maitiro. La2o3 (UG-LA01) uye COO2 yaishandiswa sevasimudziri kuti vazivise kuita kweAn- Al2o3 vakatsigirwa neChille Simbi CatalySts. Sekureva kwekutsvagisisa, CEO2, maitiro makuru eLa2o3 mune anokudzwa simbi Catalysts ari seinotevera:
1. Kuvandudza basa reChionaltic yekubatira nekuwedzera COO2 kuchengetedza zvidimbu zvesimbi zvesimbi zvakapararira mucherechedzo wekutora, kuitira kuti udzikise mapoinzi eCatalytic uye kukuvara kune chiitiko chakakonzerwa nekuchinjisa. Kuwedzera CEO2 (ug-ce01) muPT / kupararira degree rePT rinosvika kumusoro-soro. Iyo yekupararira chikumbaridzo cheCEO2 ndiyo yakanakisa dosage yeCEO2. Mune iyo oxidation mamiriro ezvinhu pamusoro pe600 ℃, rh inorasikirwa neyakaitwa nekuda kwekuumbwa kwemhinduro yakasimba pakati peRH2O3 uye Al2o3. Kuvapo kweCEO2 kuchanetesa kuita pakati peRH uye Al2o3 uye chengetedza iyo activation ye rh. La2O3 (UG-LA01) inogona zvakare kudzivirira kukura kwePT Ultrafine.ADDding CEO2) kuCEO2 inosimudzira kuwanda kwePD pane inotakura uye yakaburitsa kuderedzwa kweSynergistic. Kupararira kwakanyanya kwePD uye kudyidzana kwayo neCEO2 paPD /
2.. Izvo zvinodikanwa kuti ugadzirise iyo yekupisa kwemhepo kune iyo stoichometric ratio ye1416 πceo2 is a ntomemiconductor, uye ine yakanakisa yekuchengetedza oksijeni uye kusunungura kugona. Kana iyo a π f ratio inoshanduka, CEO2 inogona kutamba chikamu chakanakisa mukugadzirisa mumhepo-mafuta mafuta. Ndokunge, o2 inosunungurwa kana mafuta ari kuwedzera kubatsira co uye hydrocarbon oxidize; Kana iri mhepo yakawandisa, CEO2-x inoita basa rekuderedza uye inogadzirisa neNox kuti ibvise Nox kubva kuGeti rakapererwa kuti riwane COO2.
3. Mhedzisiro yeCocatalyst apo musanganiswa weAGE ISSIOMometric Ratio, kunze kweiyo Oxidation Reaction yeH2, COO2 SEAMARFURSE Reaction uye kuderedza zvinhu zveCO uye HC. LA2O3 inogona kuvandudza huwandu hwekutendeuka mumvura kutama kwegasi uye hydrocarbon steam yekugadzirisa maitiro Kuwedzera LA2O3 kuPD / CEO2-AL2O3 yeMethanol DeComposition, yakawanikwa yekuwedzera kweLa2o3 yakadzivira kugadzirwa kweiyo-chigadzirwa dimethyl ether uye yakavandudza chiitiko cheChiatiki cheCatalyst. Kana zvirimo zveLa2O3 chiri 10%, iyo CatalySt ine basa rakanaka uye methanol kutendeuka kunosvika kuwanda (anenge 91.4%). Izvi zvinoratidza kuti LA2O3 ine yakanaka kupararira pa γ-Al2O3 Carrier.Furserm
Maererano nehunhu hwekudzivirira kweazvino hwezvakaratidzwa uye china
Parizvino, zvigadzirwa zvinopihwa nekambani zvinosanganisira nano zirconia, nino titania, nano magcon oxide, nano ytrium oxide, nano cerium oxide, nano cerix oxide, nano lanthanum oxide, nano tungsten Trioxide, Nano Ferroferration Oxide, Nano Antibactenial Mumiriri uye Griphene.Uyo mhando yechigadzirwa yakagadzikana, uye yakatengwa mumabhandi nemabhizimusi emarudzi akawanda.
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Kutumira Nguva: Jul-04-2022