Desulfurizer

CCTL-8B type zinc oxide desulfurizer is a new type of fine desulfurizer that can be used at room temperature and low temperature, with active zinc oxide as the main body and special components added. CCTL-8B type zinc oxide desulfurizer is a columnar particle extruded with active ZnO as the main body, adding appropriate amount of other active components. The agent is suitable for fine desulfurization of raw materials in gas phase (hydrogen, synthesis gas, natural gas, petroleum gas, ammonia, CO2, etc.) and liquid phase (propylene, liquid hydrocarbons, reforming raw materials, jet fuel, etc.). After SYTL-8B treatment, the sulfur content in the raw material can be reduced from 1-5ppm to less than 0.1ppm.

If the gas and liquid raw materials contain ppm-level trace water, the above-mentioned purification process will be promoted. The reaction formula is:

COS+H2O = H2S+CO2

CS2+2H2O= 2H2S+CO2

H2S+ZnO = ZnS+H2O

If the content of organic sulfides such as COS in the raw material is high, an organic sulfur hydrolysis catalyst should be connected in series before CCTL-8A to ensure that the total sulfur content at the outlet of the bed is maintained below 0.1ppm.

When CCTL-8B is used, the effect is more obvious as the reaction temperature increases. As the temperature continues to rise, the sulfur capacity of CCTL-8B will increase significantly when the purification degree remains unchanged, thereby greatly extending the service life of the catalyst.

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