| abstract |
A CATALYST FOR THE HYDROTREATMENT OF HEAVY HYDROCARBON OILS INCLUDES A CARRIER WHICH IS A CALCINATED COMPOSITE OF A MIXTURE OF A CLAY MINERAL BASED ON DOUBLE CHAIN STRUCTURE OF MAGNESIUM SILICATE; AT LEAST ONE SUBSTANCE FORMING AN OXIDE BY CALCINATION (CONSISTS OF ELEMENTS OF GROUPS IIA, IIIA, IVA AND IVB), AND AT LEAST ONE CATALYTIC METAL COMPONENT (METAL OF GROUPS VB, VIB, VIII AND IB) ASSOCIATED WITH THE SUPPORT; THE OXIDE IS ABOUT 5 TO 80 AND THE CATALYTIC METAL ABOUT 0.1 TO 20 BY WEIGHT, THE VOLUME OF THE PORES IS FROM 0.5 TO 2.0CMG, THEIR AVERAGE DIAMETER IS 100 TO 500 A AND THE SPECIFIC SURFACE OF THE CATALYST D 'APPROXIMATELY 40 TO 400MG. FIGURE 4 SHOWS HOW THIS CATALYST CAN BE USED TO HYDROTRATE HEAVY HYDROCARBON OILS (HYDROTREATMENT: 2; HYDRODESULFURATION: 4; CRACKING: 7). |