Metal phosphate-containing catalysts and preparation
Abstract
Abstract A HYDROTREATING CATALYST CONSISTING ESSENTIALLY OF A POROUS XEROGEL CONTAINING (A) TUNGSTEN, IN THE FORM OF METAL, METAL OXIDE, METAL SULFIDE, OR ANY COMBINATION THEREOF, IN AN AMOUNT OF 5 TO 25 WEIGHT PERCENT OF SAID XEROGEL, CALCULATED AS METAL; (B) DISCRETE SUBSTANTIALLY INSOLUBLE METAL PHOSPHATE PARTICLES (1) BEING DISPERSED IN SAID XERGEL, (2) CONSISTING OF AT LEAST ONE METAL PHOSPHATE SELECTED FROM PHOSPHATES OF TITANIUM ZIRCONIUM, THORIUM, TIN, HAFNIUM AND CERIUM, AND (3) CONTAINING PHOSPHORUS, OR A COMPOUND THEREOF, IN AN AMOUNT OF 1.3 TO 6.6 WEIGHT PERCENT OF SAID XEROGEL CALCULATED AS PHOSPHORUS; (C) SILICA, IN AN AMOUNT OF 0.5 TO 13 WEIGHT PERCENT OF SAID XEROGEL; AND (D) ALUMINA, IN AN AMOUNT OF AT LEAST 30 WEIGHT PERCENT OF SAID XEROGEL.
Inventors
- 👤 Joseph Jaffe
Bibliographic Details
Claims Analysis
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