Norman K Mcdaniel

US Patent:

50810391, Jan 14, 1992

Filed:

Nov 16, 1989

Appl. No.:

7/438337

Inventors:

Robert D. Buttke - Naperville IL
Norman K. McDaniel - Dickinson TX

Assignee:

Amoco Corporation - Chicago IL

International Classification:

G01N 100

US Classification:

436 55

Abstract:

The inventive procedure more accurately maintains an inventory of a catalyst in an ebullated bed of a reactor in an oil refinery, especially a resid hydrotreating unit. The ebullated catalyst bed has therein three phases (catalyst, oil, gas). A first density measurement is made of the two-phase mixture in a freeboard zone i. e. in a catalyst free area above the ebullated catalyst. A second density measurement is made in the catalyst bed where all three phases are present. Density measurements are used, along with values for vapor, liquid, and soaked particle densities and corrections for gamma-ray absorption coefficients, to calculate the catalyst particle holdup in the vessel. From this, the amount of catalyst actually in the reactor can be calculated. Once this amount is known, fresh catalyst may be added to or spent catalyst may be removed from the reactor in order to maintain a fixed catalyst inventory within the catalyst bed.

US Patent:

48082899, Feb 28, 1989

Filed:

Jul 9, 1987

Appl. No.:

7/071477

Inventors:

Norman K. McDaniel - Dickinson TX
Nicholas C. Vasti - Webster TX
Norman R. Woods - League City TX
Robert E. Boening - Galveston TX

Assignee:

Amoco Corporation - Chicago IL

International Classification:

C01G 6504

US Classification:

208210

Abstract:

Resid hydrotreating conversion of resid can be substantially increased by blending the resid with high-temperature flash drum oil before being hydrotreated in a train of ebullated bed reactors. The high-temperature flash drum oil also improves the overall thermal efficiency of the process.

US Patent:

47537213, Jun 28, 1988

Filed:

Oct 24, 1986

Appl. No.:

6/922866

Inventors:

Norman K. McDaniel - Dickinson TX
Paul E. Stelly - Lamarque TX
Robert E. Boening - Galveston TX
William E. McWhirter - Dickinson TX
Duncan E. Atkinson - Texas City TX
Richard D. Petersen - Valparaiso IN

Assignee:

Amoco Corporation - Chicago IL

International Classification:

C10G 2306

US Classification:

208143

Abstract:

A special feed distributor is provided to radially, annularly, and uniformly feed and distribute oil and gas in a hydroprocessing unit, such as an ebullated bed reactor. In the preferred form, the feed distributor comprises an octagonal manifold with tangential outlet openings, a circumferential set of downward outlets, and a slotted skirt with radial discharge openings.

US Patent:

47433566, May 10, 1988

Filed:

Sep 24, 1986

Appl. No.:

6/911102

Inventors:

David J. Soderberg - Naperville IL
Norman K. McDaniel - Dickinson TX
Norman R. Woods - League City TX

Assignee:

Amoco Corporation - Chicago IL

International Classification:

C10G 4700

US Classification:

208101

Abstract:

Resid hydrotreating conversion of resid can be substantially increased by decreasing the feed gas rate and simultaneously increasing the concentration of hydrogen in the feed gases. Hydrogen purity can be increased by increasing the flow rate of lean sponge oil into the sponge oil absorbers, bleeding some of the recycled reactor tail gases, and increasing the makeup gas rate.