| 摘要 |
<p>Producing middle distillates from at least one feedstock from renewable sources comprises hydrotreating the feedstock with at least a hydrotreatment catalyst at a temperature of 120-450[deg] C, at a pressure of 1-10 MPa, and at a hourly space velocity of 0.1-10 hours -> 1>and in the presence of hydrogen/feedstock ratio of 50-3000 Nm 3>and hydroisomerization of obtained effluent with at least one hydroisomerization catalyst at a temperature of 120-450[deg] C, at a pressure of 1-10 MPa and at a hourly space velocity of 0.1-10 hours -> 1>and in the presence of hydrogen/feedstock ratio of 50-3000 Nm 3>. Producing middle distillates from at least one feedstock from renewable sources comprises: hydrotreating the feedstock with at least a hydrotreatment catalyst at a temperature of 120-450[deg] C, at a pressure of 1-10 MPa, and at a hourly space velocity of 0.1-10 hours -> 1>and in the presence of hydrogen/feedstock ratio of 50-3000 Nm 3>of hydrogen/m 3>of feedstock; and hydroisomerization of obtained effluent with at least one hydroisomerization catalyst at a temperature of 120-450[deg] C, at a total pressure of 1-10 MPa and at a hourly space velocity of 0.1-10 hours -> 1>and in the presence of hydrogen/feedstock ratio of 50-3000 Nm 3>of hydrogen/m 3>of feedstock, where the catalyst, comprises, in the oxide form, at least one metal from group VIB and/or at least one metal from group VIII of the periodic table, present in the form of at least one polyoxometalate of formula (H hX xM mO y)(q-), the polyoxometalate is present within an oxide based mesostructured matrix of at least one element Y1 comprising silicon, aluminum, titanium, zirconium, gallium and/or cerium, the matrix has a pore size of 1.5-50 nm and amorphous wall thickness of 1-30 nm, and the catalyst is sulfurized prior to use in the process. X : P, Si, B, Ni or Co; M : one or more element comprising Mo, W, Ni or Co; h : 0-12; x : 0-4; m : 5-12 or 18; y : 17-72; and q : 1-20.</p> |
