Hydrogen
Light Oil Reforming Catalyst
SCST-204/205 Light oil reforming catalyst is applicable to the reforming process of synthetic ammonia, methanol and methane of hydrogen generators via using hydrocarbons such as catalytic dry gas, coking dry gas, natural gas, coke oven gas, oilfield associated gas, naphtha and liquefied natural gas as raw materials ( independently or mixed together). The furnace of top-burning, side-burning, bottom-burning or heat-exchange converters are suitable.
Physical and Chemical Properties
|
Item |
SCST-204 |
SCST-205 |
|
Appearance |
Grey black six-hole cylinders |
Light-green six-hole cylinders |
|
Size (mm) |
Φ16×11 |
Φ16×16 |
|
Strength (N/Particle) |
≥200 |
≥400 |
Application Conditions
|
Inlet Temperature of the Reforming Tube (℃) |
480~520 |
|
Outlet Temperature of the Reforming Tube (℃) |
760~850 |
|
Pressure (MPa) |
≤5.0 |
|
Space Velocity of Feedstock Gas (h-1) |
≤2000 |
|
Ratio of H2O/C |
3.5~6.0 |
Technical Features
Good activity at low temperature: obvious activity at 400℃.
Due to the addition of anti-carbon additives, the product has a strong anti-carbon ability, suitable for long-term operation at a low water-carbon ratio.
The strength is high, the running resistance is low, and especially the strength after the reduction achieves the international leading level.
Having good antitoxin performance and stronger activity and thermal stability. When mildly poisoned by sulfur, chlorine, etc., self regeneration can be achieved by optimizing operating parameters.
The catalyst is suitable for single use or being mixed with hydrocarbons, with strong conversion rate for high carbon hydrocarbons with no carbonization and high conversion rate. Switching or adjusting the proportion of different raw materials does not affect the normal use of the catalyst.
Natural gas to hydrogen technology
After pre-treatment, natural gas or other light hydrocarbon raw materials are mixed with steam and enter a special conversion furnace. Under the action of nickel catalyst SCST-20X, steam reforming reaction occurs to generate conversion gas containing H2, CO2, CO and other components. After recovering heat from the conversion gas, the conversion gas containing CO2 and H2 is obtained through water vapor shift reaction, and then purified by PSA to obtain high-purity H2. The PSA tail gas is returned to the conversion furnace for combustion and heat recovery.
Conventional Methanol-to-Hydrogen Technology
1. Methanol-to-hydrogen technology has certain advantages among various hydrogen production technologies due to its wide availability of raw materials, technological maturity, ease of operation, economic efficiency, and environmental friendliness.
2. Process Flow: Methanol and steam, under specific pressure and temperature conditions, pass through a methanol-steam reforming catalyst bed to generate reformed gas, whose main products are carbon dioxide and hydrogen. This reformed gas is then subjected to pressure swing adsorption to obtain product hydrogen with a purity of 99.0%~99.999%.
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