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Product Details:
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| Shape: | Pale-brown Spheres（oxidation State） | Size: | 2.5-4 |
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| Bulk Density/kg·L-1: | 0.7 | BET: | 30-50 |
| High Light: | 4.0mm Hydrogenation Catalyst,4.0mm catalyst used in hydrogenation,4.0mm Hydrotreating Catalyst |
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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 |
Contact Person: Mr. Kevin
Tel: +8615666538082
Fax: 86-533-52065599-2
