Hydrogenation Catalyst Composition Receives Outstanding Patent Award
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At present, the 3,000-ton/year extra-pre-sulfurized catalyst production facility based on this patented technology has produced more than 20 grades of pre-sulfurized catalysts outside the plant, and is widely used in more than 30 sets of industrial equipment, and is pre- The market share of sulfuration and hydrogenation catalysts is over 95%.
With the continuous upgrading of oil quality and increasingly stringent environmental protection regulations, the country has put forward higher requirements for clean fuels and cleaner production. The principle of this patented technology is the introduction of nitrogen and oxygen organic compounds during the process of pre-sulfurization outside the device. Rapid formation of a large amount of metal oxysulfides during the heat treatment process not only makes it easier for the sulfur to migrate to the inside of the catalyst, but also enables uniform dispersion and reduction. The loss of sulfur solved the problem of concentrated exothermic heat in the subsequent activation process, and obtained a high activity external presulfidation hydrogenation catalyst, which played an important role in the upgrading of pre-sulfurized catalyst products.
Compared with the prior art, this technology significantly improves the use performance of the presulfided catalyst, especially the ultra-deep desulfurization activity of diesel fuel is significantly improved.