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Liaoning Haitai Scientific and Technological Development Co.,Ltd
Marketing office:31-floor 1 unit building No.1 Poly Ray New City, Wanghua District Fushun, Liaoning Province, China. Fctory: No.38 Qingtaizi Road, Shenfu New District, Liaoning Province, China
Post Code:113122 E-mail:sales@chinacatalyst.com
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ACH-10 acetylene hydrogenation catalyst
ACH-10 acetylene hydrogenation catalyst
ACH-10 catalyst used for selective hydrogenation of acetylene to ethylene has been succefully used in several industrial units.it is suitable for acetylene conversion in both two-stage process and three-stage process.
Physical and chemical properties:
|
item |
target |
|
appearance |
Pale-brown spheres（oxidation state） |
|
Particle size（mm） |
Φ2.5～4.0 |
|
Bulk density(g/ml) |
0.70 |
|
Specific Surface area(m2/g) |
40±10 |
|
Crushing strength (N/particle) |
70 |
|
Chemical compositions |
Pd-D/Al2O3(D refers to second component) |
|
Pd content（wt%） |
0.040 |
2.reference operating conditions:
|
Space velcity |
2000-8000h-1 |
|
Hydrogen to acetylene ratio（V/V） |
0.8-2.6：1 |
|
Outlet acetylene content |
≤1×10-6 |
|
Regeneration cycle |
2-6months |
|
Service lifetime |
2-5years |
3.operating condition claims
3.1 when the content of acetylene reaches 1.2-2.5（%），three-stage hydrogenation is necessary.
First –reactor:
|
pressure |
1.0-4.0Mpa |
|
inlet temperature |
35-90℃ |
|
space velocity |
2000-8000h-1 |
|
H2 to acetylene ratio（v/v） |
0.8-1.2：1 |
|
Acetylene conversion rate |
30-55% |
|
Ethylene plus |
0.00-0.50 % |
|
Regenaeration cycle |
2months min |
|
Catalyst service lifetime |
2-5years |
Second-reactor
|
pressure |
1.0-4.0Mpa |
|
inlet acetylene |
0.60-1.1 % |
|
inlet temperature |
40-90℃ |
|
space velocity |
2000-8000h-1 |
|
H2 to acetylene ratio（v/v） |
0.9-1.4：1 |
|
Acetylene conversion rate |
60-90% |
|
Outlet acetylene |
0.10-0.30% |
|
Regenaeration cycle |
3-6months |
|
Catalyst service lifetime |
2-5years |
Third reactor
|
pressure |
1.0-4.0Mpa |
|
inlet acetylene |
0.10-0.3% |
|
inlet temperature |
40-90℃ |
|
space velocity |
2000-8000h-1 |
|
H2 to acetylene ratio（v/v） |
1.5-2.6：1 |
|
Outlet acetylene |
1×10-6 max |
|
Regenaeration cycle |
4-7months |
|
Catalyst service lifetime |
4-6years |
3.2 when the content of acetylene reaches 1.0-1.9（%），two-stage hydrogenation will do well.
First –reactor:
|
pressure |
1.0-4.0Mpa |
|
inlet temperature |
40-90℃ |
|
space velocity |
2000-8000h-1 |
|
H2 to acetylene ratio（v/v） |
1.0-1.4：1 |
|
Acetylene conversion rate |
40-90% |
|
Outlet acetylene |
0.15-0.45% |
|
Ethylene plus |
0.00-0.50% |
|
Regenaeration cycle |
3-6months min |
|
Catalyst service lifetime |
2-5years |
Second-reactor
|
pressure |
1.0-4.0Mpa |
|
inlet acetylene |
0.10-0.45 % |
|
inlet temperature |
45-90℃ |
|
space velocity |
2000-8000h-1 |
|
H2 to acetylene ratio（v/v） |
1.2-2.6：1 |
|
Acetylene conversion rate |
60-90% |
|
Outlet acetylene |
1×10-6max |
|
Regenaeration cycle |
3-6months |
|
Catalyst service lifetime |
4-6years |
3.31 when the content of acetylene is lowre than 0.6（V%），one-stage hydrogenation is enouth.
|
pressure |
1.0-4.0Mpa |
|
inlet acetylene |
0.10-0.45 % |
|
inlet temperature |
45-90℃ |
|
space velocity |
2000-8000h-1 |
|
H2 to acetylene ratio（v/v） |
1.2-2.6：1 |
|
Acetylene conversion rate |
60-90% |
|
Outlet acetylene |
1×10-6max |
|
Regenaeration cycle |
3-5months |
|
Catalyst service lifetime |
4-6years |
