Catalyst for producing hydrogenated biodiesel and method of producing the same

Abstract

Disclosed herein is a catalyst for producing biodiesel, including a carrier having water resistance and an active component supported on the carrier and used in a hydrotreating reaction or a decarboxylation reaction. Since the catalyst for producing biodiesel includes a carrier having strong water resistance, the deactivation of the catalyst due to the water produced through a process of producing HBD can be prevented, thus remarkably improving the long term stability of a catalyst.

1 . A catalyst for producing biodiesel, comprising a carrier having water resistance and an active component supported on the carrier and used in a hydrotreating reaction or a decarboxylation reaction. 
     
     
         2 . The catalyst for producing biodiesel according to  claim 1 , wherein the catalyst comprises a group VIB metal as the active component supported on the carrier. 
     
     
         3 . The catalyst for producing biodiesel according to  claim 2 , wherein the catalyst further comprises a group VIIB metal or a group VIII metal as the active component supported on the carrier. 
     
     
         4 . The catalyst for producing biodiesel according to  claim 1 , wherein the carrier is selected from among zirconia, titania, aluminum phosphate, niobia, zirconium phosphate, titanium phosphate, silicon carbide, carbon and mixtures thereof. 
     
     
         5 . The catalyst for producing biodiesel according to  claim 2 , wherein the group VIB metal is Mo or W, and the amount thereof is 0.1˜70 wt % among total active agent. 
     
     
         6 . The catalyst for producing biodiesel according to  claim 3 , wherein the group VIII metal is Ni, Pd or Pt, and the amount thereof is 0˜60 wt % among total active agent. 
     
     
         7 . The catalyst for producing biodiesel according to  claim 3 , wherein the group VIIB metal is Co, Ru, Fe, Mn or Ir, and the amount thereof is 0˜60 wt % among total active agent. 
     
     
         8 . The catalyst for producing biodiesel according to  claim 2 , wherein the group VIB metal is present in an amount of 1˜40 wt % based on the carrier. 
     
     
         9 . The catalyst for producing biodiesel according to  claim 3 , wherein the group VIII metal or group VIIB metal is present in an amount of 0˜20 wt % based on the carrier. 
     
     
         10 . A method of producing biodiesel through a hydrotreating reaction or a decarboxylation reaction in the presence of the catalyst of  claim 1 . 
     
     
         11 . The method of producing biodiesel according to  claim 10 , wherein biomass, such as plant oil, plant fat, animal fat, fish oil, recycled fat, plant fatty acids, animal fatty acids or mixtures thereof, is used as a feed. 
     
     
         12 . The method of producing biodiesel according to  claim 11 , wherein the plant fat, animal fat or recycled fat includes triglycerides, each chain of which is composed of 1˜28 carbon atoms, and each of the plant fatty acids or animal fatty acids has 1˜28 carbon atoms. 
     
     
         13 . The method of producing biodiesel according to  claim 11 , wherein, in addition to the biomass, one or more hydrocarbon mixtures (0-99%) are used as the feed. 
     
     
         14 . The method of producing biodiesel according to  claim 13 , wherein the hydrocarbon includes kerosene, diesel, light gas oil (LGO), and recycled HBD. 
     
     
         15 . The method of producing biodiesel according to  claim 10 , the method comprises the steps of: pretreating a feed through hydrotreatment; separating unreacted hydrogen after a hydrodeoxygenation reaction to form hydrocarbons; and cooling, separating and isomerizing the formed hydrocarbons. 
     
     
         16 . Biodiesel produced by the method of  claim 10 .