Hlau Catalysts
Kev paub nplua nuj
Nrog ntau xyoo dhau los ntawm kev tshawb fawb, kev tsim khoom thiab kev lag luam organic chemicals, peb tau dhau los ua tus xa khoom thoob ntiaj teb ntawm kev tshawb fawb tshuaj, kev tsim kho thiab kev tsim khoom.
Pab neeg tshaj lij
Genie Chemical muaj ib pab neeg R & D uas txawj ntse ntau tshaj 200 tus neeg.
Ib - nres kev pabcuam
Kev tshuaj xyuas zoo, kev tswj hwm kev tsim khoom thiab tom qab- kev pabcuam muag, muab ib qho kev pabcuam - nres.
QC
Nws tau txais daim ntawv pov thawj ISO 9001 thiab tau teeb tsa lub chaw kuaj mob siab rau siv cov qauv kev tswj hwm nruj ntawm txhua theem ntawm cov txheej txheem tsim khoom. Cov neeg soj ntsuam zoo saib xyuas cov txheej txheem tsim khoom ntawm txhua yam khoom kom ntseeg tau tias qhov zoo ntawm cov khoom siv tshuaj lom neeg kawg.
Dab tsi yog Hlau Catalysts
Hlau catalyst yog ib qho ntawm cov ceg tseem ceeb ntawm cov khoom catalyst, thiab yog ib qho ntawm cov catalysts ntxov tshaj plaws thiab feem ntau siv. Cov pab pawg tseem ceeb tau muab faib ua cov hlau. Feem ntau yog cov hlau muaj txiaj ntsig thiab cov khoom hloov pauv xws li hlau, cobalt thiab npib tsib xee. Tsis tas li ntawd, cov hlau tsis tshua muaj hauv ntiaj teb thiab ntau lwm yam hlau tuaj yeem siv los ua catalysts. Feem ntau siv hlau catalysts yog cov pab pawg VIII hlau. Hlau catalysts feem ntau yog siv rau hydrogenation, dehydrogenation, oxidation, isomerization, cyclization, hydrolysis thiab lwm yam tshuaj.
Cov txiaj ntsig ntawm Hlau Catalysts
Qhov tseem ceeb tshaj plaws ntawm cov hlau muaj txiaj ntsig catalysts yog lawv cov haujlwm siab dua, yog li lawv tuaj yeem ua kom cov tshuaj tiv thaiv zoo dua. Qhov no tso cai rau tus nqi ntau lawm thiab txhim kho cov khoom lag luam yields.Besides, kev sib cuam tshuam ntawm nanoscale noble hlau hais thiab kev txhawb nqa yuav hloov cov qauv geometric thiab nto electrons, yog li ua kom cov tshuaj tiv thaiv sai thiab nthuav tawm cov kev ua haujlwm siab catalytic.
Precious hlau catalysts tuaj yeem xaiv ntau dua hauv catalyzing cov tshuaj tiv thaiv tshwj xeeb los ntawm kev txo cov khoom siv tsis zoo thiab ua kom cov purity ntawm cov khoom kawg. Qhov ntawd yog hais tias, cov khoom lag luam tuaj yeem xaiv tau los ntawm cov catalysts sib txawv.In the hydrogenation process of phenol, palladium (Pd) catalyst yog siv los tsim cyclohexanone. Ib yam li ntawd, platinum (Pt) catalyst yog siv rau kev tsim cyclohexane, thiab ruthenium (Ru) accelerates cyclohexanol ntau lawm xaiv.
Lub melting point ntawm precious hlau yog siab tshaj cov hlau puag. Xws li cov catalysts tuaj yeem tiv taus qhov kub thiab txias, kev kub ntxhov, thiab qhov chaw corrosive yam tsis muaj degrading lossis poob lawv cov catalytic. Yog li ntawd, lawv tuaj yeem ua kom muaj ntau yam hydrogenation thiab oxidation tshwm sim ntawm qhov kub thiab txias. Qhov no ua rau nws siv hauv kev lag luam tsheb los kho cov pa roj. Catalytic converters nyob rau hauv automotive tso systems ua hauj lwm nyob rau hauv ambient kub uas feem ntau tshaj 800 degree. Nyob rau hauv qhov kub kub, ntau cov ntaub ntawv decompose los yog poob lawv cov catalytic kev ua si, thaum noble hlau khaws lawv cov catalytic zog.
Cov hlau muaj txiaj ntsig tsis yooj yim rau kev siv tshuaj lom neeg raws li qhov xwm txheej ib txwm muaj. Nrog cov khoom ruaj khov, lawv tsis yooj yim oxidize nyob rau hauv chav tsev kub thiab yuav tsis spontaneously ignite ntawm high kub. Lawv ruaj khov thiab yooj yim khaws ntau dua li qee cov hlau catalysts vim lawv cov corrosion kuj.
Hom Hlau Catalysts
Tsis yog - txhawb nqa hlau catalyst
Hais txog cov hlau catalyst yam tsis muaj cov cab kuj, uas tuaj yeem muab faib ua ib qho hlau thiab alloy raws li nws muaj pes tsawg leeg. Nws feem ntau yog siv rau hauv daim ntawv ntawm cov hlau nplaum, hlau mesh, hlau hmoov, hlau hais, thiab hlau chips. Ntawm lawv, lub moj khaum hlau yog qhov ntau tshaj plaws. Ncej hlau catalyst, yog cov catalytic kev ua si ntawm cov hlau thiab txhuas los yog silicon alloy, thiab ces sodium hydroxide tov yuav yaj txhuas los yog silicon, tsim ib lub moj khaum hlau. Lwm cov skeleton catalysts muaj xws li pob txha cobalt, pob txha pob txha tooj liab thiab pob txha pob txha. Cov hlau mesh catalysts yog platinum mesh thiab platinum-rhodium alloy mesh. Lawv yog siv nyob rau hauv cov txheej txheem ntawm ammoniation thiab oxidation los tsim nitric acid.
Txhawb nqa hlau catalysts
Cov catalysts txhawb los ntawm cov khoom siv hlau yog siv los txhim kho cov dispersion thiab thermal stability ntawm cov khoom siv hlau kom cov catalysts muaj cov qauv pore tsim nyog, cov duab thiab lub zog txhua yam. Feem ntau cov kev txhawb nqa hlau catalysts yog npaj los ntawm impregnation ntawm hlau ntsev tov ntawm cov cab kuj thiab txo tom qab nag lossis daus transformation los yog thermal decomposition.Classification ntawm ib los yog ntau dua hlau ntsiab lus los ntawm lub active tivthaiv ntawm lub catalyst: ib tug hlau catalysts thiab multi-hlau catalyst.
Ib leeg hlau catalysts
Lub catalyst muaj tsuas yog ib qho khoom siv hlau.
Multi- hlau catalyst
Cov txheej txheem ntawm cov catalyst muaj ob lossis ntau dua hlau. Piv txwv li, Pt-Rh thiab lwm yam ob (ntau) hlau hloov kho catalysts loaded ntawm chlorine-muaj gamma- alumina. Lawv muaj kev ua tau zoo dua li ib qho hlau hloov kho catalysts, uas muaj ntau yam hlau uas txhawb nqa tuaj yeem tsim binary lossis multivariate pawg ntawm cov hlau atoms, uas zoo heev txhim kho cov txiaj ntsig zoo ntawm cov khoom siv. Hauv kev txhawb nqa thiab tsis yog - txhawb nqa polymetallic catalysts, yog tias muaj cov hlau nplaum tsim ntawm cov khoom hlau, nws yog hu ua alloy catalyst. Binary alloy catalysts suav nrog tooj liab-nickel, tooj liab-palladium, palladium-silver, palladium-kub, platinum-kub, platinum-tooj liab, platinum-rhodium, thiab lwm yam.
Kev siv hlau Catalysts
Petrochemical kev lag luam
Cov hlau catalysts yog siv rau hauv kev ua roj av thiab cov txheej txheem tawg, xws li catalytic cracking, hloov kho, hydrotreating, thiab lwm yam. Lawv tuaj yeem txhawb cov tshuaj tiv thaiv, nce cov khoom xaiv, thiab txo cov tshuaj tiv thaiv kub.
01
Tshuaj synthesis
Hlau catalysts ua lub luag haujlwm tseem ceeb hauv cov organic synthesis. Piv txwv li, noble hlau catalysts feem ntau yog siv nyob rau hauv hydrogenation cov tshuaj tiv thaiv, oxidation cov tshuaj tiv thaiv, thiab carbon-carbon bond formation reactions. Lawv tuaj yeem txhim kho cov tshuaj tiv thaiv kev ua haujlwm, kev xaiv thiab cov khoom zoo.
02
Lub zog teb
Hlau Catalyst Substrates rau Automotive ua lub luag haujlwm tseem ceeb hauv kev hloov pauv hluav taws xob thiab khaws cia. Piv txwv li, noble hlau catalysts yog siv nyob rau hauv roj hlwb rau electrochemical tshuaj xws li txo oxygen. Lwm cov hlau catalysts kuj siv rau hauv thaj chaw xws li kev hloov pauv catalytic, dej splitting thiab photocatalysis.
03
Kev tiv thaiv ib puag ncig
Hlau catalysts ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv ib puag ncig. Piv txwv li, peb -txoj kev catalyst siv nyob rau hauv lub tsheb tso pa kev kho mob tuaj yeem hloov cov pa phem rau hauv cov khoom tsis zoo. Hlau catalysts kuj tuaj yeem siv rau hauv kev kho dej khib nyiab, huab cua purification thiab kev kho cov khib nyiab organic.
04
Pharmaceutical teb
Cov hlau catalysts kuj siv rau hauv tshuaj synthesis thiab biomedicine. Lawv tuaj yeem siv rau hauv cov kauj ruam tseem ceeb hauv kev siv tshuaj yeeb tshuaj, xws li cov tshuaj tiv thaiv asymmetric catalytic. Cov hlau catalysts kuj tuaj yeem siv rau hauv biosensors thiab tshuaj tso tawm tshuab.
05
Yuav Ua Li Cas Xaiv Hlau Catalysts
Cov txheej txheem rau kev xaiv catalyst
Thaum xaiv cov catalyst, thawj kauj ruam yog los txheeb xyuas qhov xav tau ntawm cov tshuaj tiv thaiv nyob rau hauv cov nqe lus ntawm cov khoom yield, selectivity, purity, zoo, cov tshuaj tiv thaiv tus nqi, kub, thiab siab. Qhov no yuav pab txo qis cov hom catalysts uas tuaj yeem pab txhawb cov tshuaj tiv thaiv. Feem ntau, koj yuav tsum nrhiav cov catalyst uas muaj kev ua haujlwm siab thiab kev xaiv rau cov khoom xav tau, nrog rau kev ruaj khov nyob rau lub sijhawm thiab nyob rau hauv cov xwm txheej sib txawv. Tsis tas li ntawd, xav txog tus nqi thiab ib puag ncig kev cuam tshuam ntawm cov catalyst thaum xaiv ib qho uas haum rau qhov ntsuas ntawm koj cov tshuaj tiv thaiv.
Cov txheej txheem rau kev tshuaj ntsuam catalyst
Thaum koj tau txheeb xyuas cov neeg sib tw muaj peev xwm rau cov catalyst, koj yuav tsum tau sim lawv hauv chav kuaj lossis hauv qhov me me los sib piv lawv cov kev ua tau zoo thiab tsim nyog. Muaj ntau txoj hauv kev rau kev tshuaj ntsuam xyuas catalyst, xws li batch reactor, nruam stirred tank reactor (CSTR), plug flow reactor (PFR), tsau txaj reactor, thiab fluidized txaj reactor. Piv txwv li, nyob rau hauv ib lub batch reactor, lub nkoj kaw yog siv qhov twg cov reactants thiab cov catalyst yog tov thiab rhuab los yog txias rau ib tug xav tau kub. Cov tshuaj tiv thaiv yog saib xyuas los ntawm kev ua piv txwv qhov sib tov ntawm lub sijhawm sib txawv thiab tshuaj xyuas cov khoom muaj pes tsawg leeg thiab concentration.
Piv txwv ntawm cov catalysts
Catalysts yog cov khoom siv los ua kom cov tshuaj tiv thaiv kab mob sai thiab ua tiav cov txiaj ntsig xav tau. Hlau, acids, bases, thiab enzymes yog ib co ntawm cov feem ntau hom catalysts. Hloov pauv hlau lossis alloys nrog thaj chaw siab thiab cov khoom siv hluav taws xob feem ntau yog siv rau hydrogenation, oxidation, thiab kev hloov pauv. Piv txwv li, platinum yog ib qho catalyst rau oxidation ntawm carbon monoxide rau carbon dioxide, uas yog siv nyob rau hauv catalytic converters los txo cov pa phem ntawm lub tsheb. Ib yam li ntawd, cov kua qaub thiab cov hauv paus tuaj yeem pub dawb lossis txais cov protons lossis electrons thiab cuam tshuam rau acidity lossis qhov pib ntawm cov tshuaj tiv thaiv nruab nrab. Lawv feem ntau siv rau cov kua qaub- cov tshuaj tiv thaiv hauv paus, xws li esterification, hydrolysis, thiab alkylation.
Cov kev sib tw thiab cov cib fim rau kev txhim kho catalyst
Lub teb ntawm catalysis thiab cov tshuaj tiv thaiv engineering yog hloov zuj zus mus tas li, nrog cov kev cov nyom tshiab thiab cov cib fim tshwm sim rau kev txhim kho catalyst. Tam sim no, muaj kev tsom mus rau ntsuab chemistry, uas suav nrog kev tsim cov txheej txheem tshuaj thiab cov khoom uas txo lossis tshem tawm cov khoom phom sij thaum txo qhov cuam tshuam ib puag ncig. Nanotechnology muaj peev xwm tsim cov catalysts tshiab nrog kev ua kom zoo dua qub, xaiv, thiab ruaj khov. Tsis tas li ntawd, kev suav catalysis siv cov txheej txheem suav thiab cov cuab yeej los ua qauv, simulate, thiab kwv yees tus cwj pwm thiab kev ua tau zoo ntawm catalysts thiab cov tshuaj tiv thaiv, pab kom nkag siab txog lub hauv paus mechanisms thiab kinetics ntawm catalysis.
Dab tsi yog qhov cuam tshuam ntawm particle loj ntawm Hlau Catalysts?
Nce toj cheeb tsam:Cov khoom me me muaj thaj tsam ntau dua rau qhov ntim qhov sib piv, muab ntau qhov chaw ua haujlwm rau cov tshuaj lom neeg tshwm sim. Qhov no tuaj yeem txhim kho cov kev ua haujlwm catalytic vim tias ntau cov reactant molecules tuaj yeem cuam tshuam nrog cov catalyst nto.Los ntawm kev ua kom cov cheeb tsam loj tshaj plaws rau cov tshuaj tiv thaiv, cov khoom me me tuaj yeem pab txhawb cov tshuaj tiv thaiv sai dua thiab ua tau zoo dua.
Txhim khu kev ua haujlwm nrog txo qhov loj:Kev txo cov particle loj feem ntau ua rau muaj kev nce hauv catalytic kev ua si. Qhov no yog vim qhov loj dua ntawm cov khoom siv catalytic raug rau cov reactants, tso cai rau kev sib cuam tshuam zoo dua.Muaj feem ntau qhov kev pom zoo me me uas muab qhov sib npaug zoo tshaj plaws ntawm kev ua haujlwm siab catalytic thiab siv cov khoom siv tau zoo. Cov khoom me me dhau tuaj yeem ua rau agglomerate, txo lawv qhov chaw zoo.
Influence on Reaction Pathways:Qhov loj ntawm catalyst hais tuaj yeem cuam tshuam qhov kev xaiv ntawm cov tshuaj tiv thaiv, uas yog lub peev xwm ntawm cov catalyst kom haum rau kev tsim ntawm qee yam khoom dua lwm tus. Cov khoom me me tuaj yeem muab cov chaw sib txawv piv rau cov loj dua, ua rau muaj kev hloov pauv hauv cov tshuaj tiv thaiv txoj hauv kev uas nyiam.Los ntawm kev tswj cov particle loj, chemists tuaj yeem kho cov catalyst kom optimize cov txiaj ntsig ntawm cov khoom xav tau, uas yog qhov tseem ceeb tshwj xeeb hauv cov tshuaj, tshuaj zoo, thiab petrochemicals ntau lawm.
Sintering thiab agglomeration:Cov khoom me me tuaj yeem ua rau sintering, txheej txheem uas cov khoom sib xyaw ua ke thiab loj dua nyob rau hauv qhov kub thiab txias los yog cov tshuaj tiv thaiv, muaj peev xwm txo cov catalyst lub active nto ntawm lub sij hawm.Qhov stability ntawm catalyst thiab nws tsis kam mus deactivation mechanisms, xws li tshuaj lom los ntawm impurities los yog coking (lub deposition ntawm carbonaceous cov ntaub ntawv), yuav cuam tshuam los ntawm particle loj. Cov khoom me me tuaj yeem muaj qhov cuam tshuam ntau dua tab sis kuj tseem muaj kev cuam tshuam ntau dua rau kev tsis ua haujlwm.
Yuav Ua Li Cas Kho Hlau Catalysts
Hlau catalyst cia
Cov hlau catalysts yuav tsum tau muab cia rau hauv qhov chaw qhuav, qhov cua, thiab qhov chaw txias kom tsis txhob ya raws, cua sov, thiab raug cov pa phem. Ntau hom catalysts muaj ntau qhov kev cia khoom, piv txwv li, hlau catalysts yuav tsum tau khaws cia hauv kev sib cais los ntawm huab cua, thiab photosensitive catalysts yuav tsum tau muab kaw cia.
Hlau catalyst txo thiab ua kom muaj zog
Thaum siv cov catalyst tshiab, feem ntau yuav tsum tau ua kom txo qis catalyst thiab ua kom ua haujlwm. Restore yog activation yog hais txog kev txo qis ntawm oxides hauv cov catalyst rau cov hlau, thaum ua kom muaj zog yog hais txog cov txheej txheem ntawm kev txo lawv mus rau hauv cov xim hlau los ntawm kev txo qhov tsim ntawm ntau qhov chaw nyob rau saum npoo ntawm cov catalyst txhim kho nws lub peev xwm catalytic. Catalyst txo thiab ua kom muaj ntau txoj hauv kev txo qis, suav nrog kev txo cov cua sov, txo tus neeg sawv cev txo, kev ua kom nitrogen, thiab lwm yam.
Hlau catalyst nto kho
Kev kho saum npoo ntawm cov hlau catalysts suav nrog kev hloov kho deg, hloov kho, rov tsim dua tshiab, thiab lwm yam haujlwm. Kev hloov kho deg hais txog kev ntxiv lwm yam khoom rau saum npoo ntawm cov catalyst kom nthuav tawm cov cwj pwm sib txawv catalytic lossis ua kom nws cov tshuab ua kom muaj zog thiab ruaj khov. Kev hloov kho yog hais txog kev siv lwm yam tshuaj los hloov qhov muaj pes tsawg leeg thiab cov qauv ntawm cov catalyst, txhawm rau txhim kho nws cov haujlwm thiab kev xaiv. Regeneration yog hais txog qhov yuav tsum tau ua ua ntej - kev kho mob thiab kev kho deg ntawm cov neeg laus uas siv cov catalysts deg hloov kho kom rov ua nws cov haujlwm.
Hlau catalyst kuaj thiab ntsuam xyuas
Kev ntsuam xyuas thiab kev ntsuam xyuas ntawm cov hlau catalysts yog ib qho tseem ceeb txhais tau tias ntsuas lawv cov catalytic kev ua tau zoo thiab zoo. Hauv kev sim Thaum lub sij hawm tus txheej txheem, cov txheej txheem xws li x-ray diffraction, kis tau tus mob electron microscopy, fourier transform infrared spectroscopy, thiab lwm yam. Nws tuaj yeem siv ntau txoj hauv kev rau kev sib piv thiab kev tshawb nrhiav. Thaum ntsuas cov catalysts, kev txiav txim siab yuav tsum tau muab rau lawv cov txiaj ntsig catalytic tswj lub sijhawm, teeb meem, thiab lwm yam.
Peb lub Hoobkas
Nrog ntau xyoo dhau los ntawm kev tsim khoom thiab kev lag luam siab - cov tshuaj zoo, Gnee Chemical Company, peb muab cov tshuaj Organic, Biochemicals, Pharmaceutical Intermediates, thiab ntau dua.Gnee Chemical muaj cov neeg ua haujlwm txawj hauv kev tshawb fawb thiab kev tsim kho. Peb pab neeg ntawm ntau tshaj 200 tus neeg yog lub luag hauj lwm rau kev soj ntsuam zoo, kev tswj ntau lawm thiab tom qab- muag kev pab cuam raws li ib tug - nres kev pab cuam. Peb muab R & D thiab cov kev daws teeb meem rau peb cov neeg siv khoom thoob ntiaj teb.Peb ua raws li lub hauv paus ntsiab lus ntawm "Quality First" thiab tau txais ISO 9001 ntawv pov thawj. Peb kuj tau teeb tsa lub chaw kuaj mob siab rau siv cov qauv kev tswj xyuas nruj ntawm txhua theem ntawm cov txheej txheem tsim khoom. Cov neeg soj ntsuam zoo saib xyuas cov txheej txheem tsim khoom ntawm txhua yam khoom kom ntseeg tau tias cov khoom siv tshuaj lom neeg kawg.
Cov ntawv pov thawj
FAQ
Raws li ib qho ntawm cov hlau catalysts manufacturers thiab lwm tus neeg nyob hauv Suav teb, peb sov siab txais tos koj rau cov lag luam wholesale pheej yig hlau catalysts rau muag ntawm no los ntawm peb lub hoobkas. Tag nrho cov khoom siv tshuaj muaj txiaj ntsig zoo thiab cov nqi sib tw.