Methanol Low Pressure Synthesis Catalyst For Coal Gas
1.Methanol low pressure synthesis catalyst for coal gas is suitable for methanol synthesis process with coal gas, natural gas, coke oven gas feedstock.
2.It is suitable for various type of reactors for mid-low pressure methanol synthesis process.
Product Introduction
Product Introduction
Methanol low pressure synthesis catalyst for coal gas at low pressure with the active temperature of 500k-530k and the operating pressure of 5MPa-10MPa, which was lower than the traditional synthesis process temperature and favorable to the balance of methanol reaction. Most of the copper - based catalysts used for CO2 hydrogenation to methanol are developed on the basis of syngas to methanol.
Methanol low pressure synthesis has the advantages of low energy consumption and less impurity content in crude methanol, so it is easy to obtain high quality crude methanol. CuO becomes the active center of catalyst after reduction and exists at the active interface of CuO-Cu.
Methanol low pressure synthesis catalyst for coal gas is mainly composed of CuO-ZnO-Al2O3, the functions of the three parts are different. During the synthesis of methanol, the adsorption rate of carbon monoxide on the surface of copper catalyst is quite high, while the adsorption rate of hydrogen is much lower than that of carbon monoxide. ZnO is a good hydrogenator, enabling hydrogen adsorption and activation, thus improving the conversion rate of copper-based catalysts.
Operating conditions:
|
Applicaion temperature/℃ |
200~300 |
|
Pressure/MPa |
3.0~15.0 |
|
Space velocity/h-1 |
8000~20000 |
Physico-chemical properties:
|
Color and shape |
Black cylinder |
|
Size/mm |
Φ5×4~5 |
|
Bulk density/(kg.L-1) |
1.25~1.35 |
|
Side crush strength/(N.cm-1) |
≥150 |
|
Specific surface area/(m2.g-1) |
≥100 |
|
Active component |
CuO |
Features:
1. Methanol low pressure synthesis catalyst for coal gas has excellent methanol synthesis activity with hourly space yield of higher than 1.0g/mlcat.h.
2. Good selectivity, low byproduct yield of low carbon alcohols, methyl formate, long chain alkane etc..
3. Good adaptability, wide application temperature range, suitable for various types of reactors, high CO2 conversion.
4. High specific surface area and low loading bulk density.
5. High strength, unique phase structure, stable in activity and structure, good heat resistance and long service life.
6. Good activity, one-way conversion rate of 7%-8%.
7. High selectivity, more than 99%, its impurities only trace methane, dimethyl ether, methyl formate, easy to obtain high purity refined methanol.
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