Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Boron or compound containing same
Patent
1986-09-23
1988-02-09
Metz, Andrew H.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Boron or compound containing same
502202, 502206, 502207, 502205, 208209, 208213, B01J 2102
Patent
active
047242264
ABSTRACT:
A boria promoted hydrotreating catalyst is made having a microporous region with high surface area for desulfurization and preferably a macroporous region to transport large metal containing molecules into the interior of the catalyst particle. The alumina support has 0.1 to 5% boria to form a hydrotreating catalyst which minimizes the formation of tetrahedrally coordinated boron. It is calcined to a temperature of 1400.degree. F. or less to maintain a high desulfurization activity. Conventional hydrotreating catalytic elements from Groups VB, VIB, VIIIB and VA of the Periodic Table are added. Less than 75% of the boron is in tetrahedral coordination as measured by Magic Angle Spinning .sup.11 B NMR.
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Cheng Wu-Cheng
Pereira Carmo J.
Cabic Edward J.
Metz Andrew H.
Myers Helane
W. R. Grace & Co.
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