Trait
In the non-hydrogenation diesel pour point depressant catalyst, the high-silica molecular sieve with a certain pore structure is used to selectively crack long-chain normal paraffins and singlebranched paraffins under non-hydrogenation conditions, while leaving naphthenes, multibranched paraffins, and aromatic hydrocarbons unchanged, for the purpose of reducing the pour point of the distillate oil and producing diesel and lubricating oil fractions with lower pour points.At the same time, high-octane gasoline and liquefied gas can also be obtained.The catalyst is used in a non-hydrogen environment, which limits the precipitation of coke precursors in the molecular sieve channels, thereby extending the reaction period.
Process Conditions for Non-Hydrogenation Diesel Pour Point Depressant Catalyst
Operating conditions | Yield of reactants | Product properties | ||||||
Reaction system-normal pressure, | 2-10%,C₃+C₄ | Olefin content inC₃+C₄ >30% | ||||||
10-20%,gasoline | water white,ronc92 monc80 | |||||||
50-80%,diesel | light diesel,yellow | |||||||
Quality of Non-Hydrogenation Diesel Pour Point Depressant Catalyst
Shape | Size | Pore volume | Surface area | Crushing strength | Bulk density | Abrasion | ||
Strip | φ2×2~10 | ≥0.25 | ≥250 | ≥98 | 0.72 | ≤1 | ||
Non-hydrogen diesel depressurization catalyst
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