Gamma activated alumina/Gamma Alumina Catalyst Carriers/gamma alumina bead

Tlhaloso e Khutšoanyane:

Ntho

Yuniti

Sephetho

Alumina Phase

Gamma Alumina

Kabo ea boholo ba Particle

D50

μm

88.71

20μm

%

0.64

40μm

%

9.14

150μm

%

15.82

Sebopeho sa Lik'hemik'hale

Al2O3

%

99.0

SiO2

%

0.014

Na2O

%

0.007

Fe2O3

%

0.011

Ts'ebetso ea 'Mele

BETANG

m²/g

196.04

Molumo oa Pore

Ml/g

0.388

Karolelano ea Boholo ba Pore

nm

7.92

Boima ba Bongata

g/ml

0.688

Alumina e fumanoe e le teng bonyane foromo ea 8, ke α- Al2O3, θ-Al2O3, γ- Al2O3, δ- Al2O3, η- Al2O3, χ- Al2O3, κ- Al2O3 le ρ- Al2O3, thepa ea bona ea macroscopic e fapaneng le eona e fapane. Gamma activated alumina ke cubic e pakiloeng ka kristale e haufi, e sa qhibiliheng ka metsing, empa e qhibiliha ka asiti le alkali. Gamma activated alumina ke ts'ehetso e fokolang ea asiti, e na le ntlha e phahameng ea ho qhibiliha 2050 ℃, gel ea alumina ka sebopeho sa hydrate e ka etsoa ka oxide e nang le porosity e phahameng le sebaka se phahameng se ikhethileng, e na le mekhahlelo ea phetoho maemong a mangata a mocheso. Ka mocheso o phahameng, ka lebaka la ho felloa ke metsi 'meleng le dehydroxylation, Al2O3surface e bonahala e sebelisana le oksijene e sa tsitsang (setsi sa alkali) le aluminium (acid center), e nang le ts'ebetso ea catalytic. Ka hona, alumina e ka sebelisoa e le sesebelisoa, catalyst le cocatalyst.
Gamma activated alumina e ka ba phofo, granules, strips kapa tse ling. Re ne re ka etsa joalo ka tlhoko ea hau.γ-Al2O3, e ne e bitsoa "activated alumina", ke mofuta oa lisebelisoa tse tiileng tse pharalletseng, ka lebaka la sebopeho sa eona sa pore se feto-fetohang, sebaka se seholo se ikhethileng, ts'ebetso e ntle ea adsorption, bokaholimo bo nang le melemo ea acidity le botsitso bo botle ba mocheso, bokaholimo ba microporous bo nang le thepa e hlokahalang ea ts'ebetso ea catalytic, ka hona e fetoha catalyst ea catalyst, ka hona e sebelisoa ka mokhoa o pharaletseng. sejari indastering ea lik'hemik'hale le oli, 'me e phetha karolo ea bohlokoa ho hydrocracking ea oli, ho hloekisa hydrogenation, hydrogenation reforming, dehydrogenation reaction le koloi exhaust purification process.Gamma-Al2O3 e sebelisoa haholo e le catalyst carrier ka lebaka la ho fetoha ha sebopeho sa pore le acidity ea holim'a metsi. Ha γ- Al2O3 e sebelisoa e le sesebelisoa, ntle le moo e ka ba le liphello tsa ho qhalakanya le ho tsitsisa likarolo tse sebetsang, hape e ka fana ka setsi se sebetsang sa acid alkali, synergistic reaction with the catalytic active components. Sebopeho sa pore le thepa ea bokaholimo ba catalyst e itšetlehile ka sejari sa γ-Al2O3, kahoo sejari se phahameng sa ts'ebetso se ka fumanoa bakeng sa karabelo e khethehileng ea catalytic ka ho laola thepa ea mochini oa gamma alumina.

Gamma activated alumina ka kakaretso e entsoe ka precursor pseudo-boehmite ka 400 ~ 600 ℃ phahameng mocheso dehydration, kahoo holim'a physicochemical properties e haholo-holo ikemiseditse ke precursor pseudo-boehmite, empa ho na le litsela tse ngata ho etsa pseudo-boehmite, le mehloli e fapaneng ea pseudo-boehmite le methopo e fapaneng ea pseudo-boehmite ea gamma-boehmite Alle-Al-Boehmite. Leha ho le joalo, ho li-catalysts tseo tse nang le litlhoko tse khethehileng ho aluminium carrier, ho itšetleha feela ka taolo ea precursor pseudo-boehmite ho thata ho e finyella, e tlameha ho nkoa ho prophase ho lokisetsa le ho sebetsa ka poso ho kopanya mekhoa ea ho lokisa thepa ea aluminium ho finyella litlhoko tse fapaneng. Ha mocheso o phahame ho feta 1000 ℃ o sebelisoa, alumina e etsahala ka mor'a phetoho ea mohato: γ→ δ→ θ→α-Al2O3, har'a bona γ, δ, θ ke li-cubic packing tse haufi, phapang e teng feela ka ho ajoa ha li-ion tsa aluminium ka tetrahedral le octahedral, kahoo phetoho ena ea mekhahlelo ha e bake boholo ba sebopeho. Li-ion tsa oksijene sebakeng sa alpha li pakile ka mahlakore a mabeli, likaroloana tsa aluminium oxide ke kopano e tebileng, sebaka se itseng se theohile haholo.

Polokelo:
l Qoba mongobo, qoba ho tsamaisetsa, ho lahlela le ho ts'oha haholo nakong ea lipalangoang, lisebelisoa tse sa keneleng pula li lokela ho lokisoa.
lE lokela ho bolokoa ka polokelong e ommeng le e nang le moea o pholileng ho thibela tšilafalo kapa mongobo.
Sephutheloana:

Mofuta

Mokotla oa polasetiki

Moropa

Moropa

Super sack/Jumbo bag

Sefaha

25kg / 55lb

25 lik'hilograma / 55 lb

150 lik'hilograma / 330 lb

750kg/1650lb

900kg/1980lb

1000kg / 2200 lb


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Ntho

Yuniti

Sephetho

Alumina Phase

Gamma Alumina

Kabo ea boholo ba Particle

D50

μm

88.71

<20μm

%

0.64

<40μm

%

9.14

>150μm

%

15.82

Sebopeho sa Lik'hemik'hale

Al2O3

%

99.0

SiO2

%

0.014

Na2O

%

0.007

Fe2O3

%

0.011

Ts'ebetso ea 'Mele

BETANG

m²/g

196.04

Molumo oa Pore

Ml/g

0.388

Karolelano ea Boholo ba Pore

nm

7.92

Boima ba Bongata

g/ml

0.688


  • E fetileng:
  • E 'ngoe: