JP-2026506775-A5 -

Dates

Publication Date

20260508

Application Date

20240129

Description

The present invention has been described with reference to several embodiments and examples. Those skilled in the art can combine these embodiments and examples within the scope of the invention as defined by the claims. All references herein are incorporated by reference. This invention includes the following items. [Item 1] A method for removing arsenic in the processing of renewable raw materials, using a system comprising: - Liquid oil supplies derived from renewable raw materials (1); - Stabilized reactor (10); - Guard material (20); - At least a first hydrogenation reactor (30); Here, the method is: - A step of supplying the liquid oil feed (1) to the stabilizing reactor (10) to contact the stabilizing hydrogenation catalyst and supplying the stabilized liquid oil feed (11); - A step of supplying at least a portion of the stabilized liquid oil supply (11) to the guard material (20), capturing arsenic within the guard material, and supplying a liquid oil supply (21) with a low arsenic content. - The process includes the step of supplying the liquid oil feed (21) with a low arsenic content to the hydrogenation reactor (30), subjecting it to catalytic hydrogenation, and supplying one or more hydrogenated product streams (31), - Here, the stabilized hydrogenation catalyst contains less than 10% by mass of Ni, for example, less than 8% by mass of Ni, less than 5% by mass of Ni, or does not contain Ni. - The guard material contains more than 10% by mass of Ni, for example, more than 12% by mass of Ni. The aforementioned method. [Item 2] The aforementioned renewable raw materials are: - Lignocellulose-based biomass, e.g., wood products, algae, grass, forestry waste and/or agricultural residues; - Urban waste, especially its organic components, - Renewable raw materials for nitrogen enrichment, e.g., compost, sewage sludge Including the method described in item 1. [Item 3] The method according to item 1 or 2, further comprising a pyrolysis step of a renewable feedstock for producing the liquid oil feed, wherein the pyrolysis includes a pyrolysis step and/or a hydrothermal liquefaction step. [Item 4] The method according to any one of items 1 to 3, wherein the liquid oil feed comprises at least 1% by mass of oxygen (O), for example at least 20% by mass of O, for example at least 30% by mass of O, or at least 45% by mass of O. [Item 5] The method according to any one of items 1 to 4, wherein the method comprises operating the stabilized reactor (10) at a temperature of 100 to 230°C and a pressure of 20 to 200 barg. [Item 6] The method includes reacting the liquid oil feed (1) with hydrogen in the stabilizing reactor (10) in the presence of a stabilizing hydrogenation catalyst, The method according to any one of items 1 to 5, wherein the catalyst comprises at least one metal selected from Ni, Co, Mo, W, Cu, Pt, Pd, Ru, for example, the catalyst comprises nickel-molybdenum-molybdenum (Ni-Mo), cobalt-molybdenum (Co-Mo), nickel-tungsten (NiW), nickel-copper (NiCu), Pt, Pd, or Ru, and provides at least one stabilized liquid oil feed (11). [Item 7] The method according to any one of items 1 to 6, wherein the stabilizing reactor further comprises a top layer suitable for capturing solid heteroatom products, for example, by having an open structure. [Item 8] The method according to any one of items 1 to 7, wherein the guard material (20) is arranged in a unit, and the method includes the use of one or more guard material units (20a, b, c). [Item 9] The method according to item 7, comprising the use of two or more guard material units (20a, b, c) arranged in parallel. [Item 10] The method described above is the method according to item 7, comprising the use of two or more guard material units (20a, b, c) arranged in series. [Item 11] The method according to any one of items 1 to 10, wherein at least a portion of the guard material (20) is located upstream of the hydrogenation catalyst in the first catalyst hydrogenation reactor (30). [Item 12] The method according to any one of items 1 to 11 , comprising capturing arsenic within the guard material (20), wherein the guard material (20) is a metal guard floor, for example, Ni / Al₂O₃ . [Item 13] The method according to any one of items 1 to 12, wherein the method includes operating the guard material (20) at a temperature above 250°C, for example, 250 to 420°C. [Item 14] The method according to any one of items 1 to 13, comprising capturing one or more further heteroatoms in the guard material (20), wherein the heteroatom(s) is selected from one or more of phosphorus (P), silicon (Si), iron (Fe), nickel (Ni), vanadium (V), halides, or combinations thereof. [Item 15] The method according to any one of items 1 to 14, wherein the one or more catalytic hydrogenation steps are selected from hydrogenation deoxygenation (HDO), hydrogenation treatment, hydrogenation denitrification (HDN), hydrogenation desulfurization (HDS), aromatic ring saturation (HDA), hydrogenolysis and/or i