Abstract 1. A SHAPED, LARGE PORED, HIGH POROSITY, HIGH STRENGTH ALUMINA CATALYST BODY HAVING A TOTAL POROSITY OF AT LEAST 0.9 CC./GM., AT LEAST 0.5 CC./GM. OF PORES LARGE THAN 100 ANGSTROMS DIAMETER, AT LEAST 0.35 CC./GM. OF PORES LARGER THAN 350 ANGSTROMS DIAMETER AND AT LEAST 0.30 CC./GM. OF PORES LARGER THAN 1000 ANGSTROMS IN DIAMETER, SAID POROSITY BEING EXCLUSIVE OF ANY PORE VOLUME PRODUCED BY ADDING A PARTICULATE BURNOUT MATERIAL, A SURFACE ARE FROM 10 TO OVER 280 SQUARE METERS PER GRAM, SAID BODIES CONSISTING OF AT LEAST 99 WEIGHT PERCENT OF ALUMINA EXCLUSIVE OF COMBINED OR ABSORBED WATER AND EXCLUSIVE OF ADDED CATALYST METAL OR METAL OXIDES, SAID ALUMINA BEING PREDOMINANTLY IN A FORM SELECTED FROM THE GROUP CONSISTING OF BEOUEHMITE, GAMMA ALUMINA, DELTA ALUMINA, THETA ALUMINA, ALPHA ALUMINA AND MIXTURES THEREOF.
A SHAPED, LARGE PORED, HIGH POROSITY, HIGH STRENGTH ALUMINA CATALYST BODY HAVING A TOTAL POROSITY OF AT LEAST 0.9 CC./GM., AT LEAST 0.5 CC./GM. OF PORES LARGE THAN 100 ANGSTROMS DIAMETER, AT LEAST 0.35 CC./GM. OF PORES LARGER THAN 350 ANGSTROMS DIAMETER AND AT LEAST 0.30 CC./GM. OF PORES LARGER THAN 1000 ANGSTROMS IN DIAMETER, SAID POROSITY BEING EXCLUSIVE OF ANY PORE VOLUME PRODUCED BY ADDING A PARTICULATE BURNOUT MATERIAL, A SURFACE ARE FROM 10 TO OVER 280 SQUARE METERS PER GRAM, SAID BODIES CONSISTING OF AT LEAST 99 WEIGHT PERCENT OF ALUMINA EXCLUSIVE OF COMBINED OR ABSORBED WATER AND EXCLUSIVE OF ADDED CATALYST METAL OR METAL OXIDES, SAID ALUMINA BEING PREDOMINANTLY IN A FORM SELECTED FROM THE GROUP CONSISTING OF BEOUEHMITE, GAMMA ALUMINA, DELTA ALUMINA, THETA ALUMINA, ALPHA ALUMINA AND MIXTURES THEREOF.
Claim 2
Dependent Claim
133 words
A SHAPED, LARGE PORED, HIGH POROSITY, HIGH STRENGTH ALUMINA CATALYST BODY HAVING A TOTAL POROSITY OF AT LEAST 0.9 CC./GM., AT LEAST 0.5 CC./GM. OF PORES LARGE THAN 100 ANGSTROMS DIAMETER, AT LEAST 0.35 CC./GM. OF PORES LARGER THAN 350 ANGSTROMS DIAMETER AND AT LEAST 0.30 CC./GM. OF PORES LARGER THAN 1000 ANGSTROMS IN DIAMETER, SAID POROSITY BEING EXCLUSIVE OF ANY PORE VOLUME PRODUCED BY ADDING A PARTICULATE BURNOUT MATERIAL, A SURFACE ARE FROM 10 TO OVER 280 SQUARE METERS PER GRAM, SAID BODIES CONSISTING OF AT LEAST 99 WEIGHT PERCENT OF ALUMINA EXCLUSIVE OF COMBINED OR ABSORBED WATER AND EXCLUSIVE OF ADDED CATALYST METAL OR METAL OXIDES, SAID ALUMINA BEING PREDOMINANTLY IN A FORM SELECTED FROM THE GROUP CONSISTING OF BEOUEHMITE, GAMMA ALUMINA, DELTA ALUMINA, THETA ALUMINA, ALPHA ALUMINA AND MIXTURES THEREOF.