Methanation Catalyst

 

CAS-KR-J01-K methanation catalyst em i wanpela nupela kain titanium - aluminium - rare earth - nickel katalis we i gutpela long methanation yunit, long rausim liklik mak bilong kabon monoksait na kabon daioksait long haidrojen na rich ges i go insait long methanet ges isi long rausim wara, olsem na long inapim wok bilong klinim ges, katalis i gat ol narakain samting olsem bikpela strong, bikpela pore volium, bikpela wok na isi long putim na rausim, em i klia olsem em i wok gut moa long ol narapela kain katalis aninit long bikpela presa na bikpela spit bilong spes.

CAS-KR-J01-K methanation catalyst piksa

 

 

 

1. Kemikel Komposisen

Samting	Paramita
NiO	18±1.0%
TiO2	6-8%
Ol helpim	4±0.5%
Ol helpim	2%
Al2O3%	balens
Wara bilong bodi	Klostu 0
volium i go liklik	Klostu 0

 

2. Ol samting bilong bodi

Samting	Paramita
lukluk	Greis-blakpela sfera
Spesifikasen(mm)	Φ4.5-5.5或Φ3.0-4.0
strong bilong ol 'granular' egensim presa	Bikpela o wankain olsem 140, Bikpela moa o wankain olsem 120
Bulk density	0.9±0.03
Spesifik pes eria (m2/g)	Bikpela o wankain olsem 120

 

 

1) liklik mak bilong kabon oksait insait long ges.

2) liklik na stebol presa drop bikos long bikpela strong na sfera straksa

3)gutpela 'thermal stability'

4) isi long kirapim na statim-ap

5) bikpela inap long daunim ol samting nogut i stap ausait

6) bikpela wok na selektiviti

 

 

Samting	Paramita
mak bilong S insait long ges	Liklik o wankain olsem 0.1PPm
mak bilong Cl insait long lukluk bilong 'feed gas'	Liklik o wankain olsem 0.03PPm
Tempereja bilong kirapim:	210 digri
Tempereja bilong sevis	250-430 digri
Tempereja bilong inlet:	250-270 digri
Kondisen bilong operesen:	0.5-32.0MPa
Operesen spes velositi	Liklik o wankain olsem 10000h-1

 

 

Methanation reaction em i wanpela 'exothermic' riaksen, na riaksen ikwesen i olsem:

CO + 3H₂→ CH₄+ H₂O △H =－206.2KJ/mol

CO₂ + 4H₂→ CH₄+ 2H₂O △H =－165.0KJ/mol

Bikpela wok bilong 'methanation' proses em long senisim CO na CO2 (we i gat marasin nogut long ol narapela proses katalis) long miks i go long 'methane', na bai ol i ken mekim wok bilong klinim 'hydrogen', na mekim 'gas calorific value' bilong prodak i kamap gutpela na daunim bagarap bilong envairomen. Olsem, insait long 'ammonia synthesis' indastri, ol i save yusim 'methanation' long daunim CO2 na CO2 aninit long pp stopim posin bilong ain katalis. na tu, ol i save yusim 'methanation' long klinim na klinim 'natural gas'.

 

Methanation flow chart

 

 

1) ol samting we i mas kamap long S insait long ges: Liklik o wankain olsem 0.1PPm

2) ol samting bilong Cl^-konten insait long 'feed gas': Liklik o wankain olsem 0.03PPm

3) ol samting we ol i nidim long kisim ges bilong CO+CO₂< 0.7%

4) Em i bikpela samting long holim nomol tempereja bilong wok: Ova tempereja bilong bikpela konsentresen CO2 bai kamapim 'carbon deposition reaction'. Ova-temperature we i kamap long bikpela CO konsentresen long inlet i save pasim katalis, na i save kamapim nikel kabonil. ol i no inap long bosim tempereja bilong prodaksen i go daun tumas, liklik tempereja ges kondaksen em i as bilong 'methanation catalyst deactivation'.

 

 

 

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