# US 10,370,298 B2 · Target tiles for an autothermal reformation/secondary reformation unit

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- Number: US 10,370,298 B2
- Document ID: US10370298B2
- Status: Granted
- Kind: B2
- Application number: 15/696,601
- Filed: 2017-09-06
- Published: 2018-10-11
- Granted: 2019-08-06
- Earliest claimed: 2017-04-10
- Assignees: O'Brien Asset Management, LLC
- Applicants: Brian K. Osborne
- Inventors: Brian K. Osborne
- Web page: https://patentgrep.com/patent/US10370298B2

## CPC

- C04B 35/48: based on zirconium or hafnium oxides, zirconates, {zircon} or hafnates
- B01J 8/025: {in a cylindrical shaped bed}
- B01J 8/0278: {Feeding reactive fluids (for solid material B01J8/0015)}
- B01J 8/0453: {the beds being superimposed one above the other}
- B01J 19/02: Apparatus characterised by being constructed of material selected for its chemically-resistant properties
- B01J 19/30: Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
- C01B 3/38: using catalysts
- C01B 3/382: Processes with two or more reaction steps, of which at least one is catalytic, e.g. steam reforming and partial oxidation
- C01B 3/386: Catalytic partial combustion
- C01B 3/40: characterised by the catalyst
- C04B 35/486: Fine ceramics
- C04B 35/488: Composites
- C04B 35/4885: {with aluminium oxide}
- B01J 2208/00504: by means of a burner
- B01J 2208/00884: Means for supporting the bed of particles, e.g. grids, bars, perforated plates
- B01J 2208/025: Two or more types of catalyst
- B01J 2219/0263: Ceramic
- B01J 2219/30207: Sphere
- B01J 2219/30416: Ceramic
- C01B 2203/0244: the reforming step being an autothermal reforming step, e.g. secondary reforming processes
- C01B 2203/0261: containing a catalytic partial oxidation step [CPO]
- C01B 2203/0816: Heating by flames
- C01B 2203/1005: Arrangement or shape of catalyst
- C01B 2203/1082: Composition of support materials
- C01B 2203/1241: Natural gas or methane
- C04B 2235/3217: Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
- C04B 2235/3225: Yttrium oxide or oxide-forming salts thereof
- C04B 2235/3244: Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
- C04B 2235/3246: Stabilised zirconias, e.g. YSZ or cerium stabilised zirconia
- C04B 2235/528: Spheres
- C04B 2235/5427: millimeter or submillimeter sized, i.e. larger than 0,1 mm
- C04B 2235/6027: Slip casting
- C04B 2235/77: Density
- C04B 2235/94: Products characterised by their shape
- Y02P 20/129: Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
- Y02P 20/52: using catalysts, e.g. selective catalysts
- C04B: LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE {(roofing granules E04D7/005)}; CERAMICS (devitrified glass-ceramics C03C10/00); REFRACTORIES; TREATMENT OF NATURAL STONE
- B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A corrosion resistant refractory ceramic hexagonal target tile body for use covering a catalyst, including a generally flat hexagonal portion and a plurality of generally right circular cylindrical aperture portions extending therethrough, wherein the hexagonal tile body has a thickness of about 89 mm and a width of about 42 cm and is 13 percent yttria fully stabilized YSZ. Each respective aperture has a diameter of about 19 mm.

## Claims

### Claim 1

A generally hexagonal ceramic tile body, comprising:
a flat hexagonal top surface;
an oppositely disposed flat hexagonal bottom surface oriented parallel with the flat hexagonal top surface;
a refractory material defining a refractory inner volume disposed between the top and bottom surfaces; and
a plurality of apertures extending therethrough;
wherein the refractory inner volume is between about 80 mm and 95 mm thick;
wherein the flat hexagonal top surface is about 42 cm across; and
wherein the refractory inner volume is fully stabilized yttria stabilized zirconia;
and wherein the refractory inner volume contains between 8 percent and 16 percent yttria.

### Claim 2 (depends on 1)

The sintered body of claim 1 wherein the body has a porosity of less than 1 percent.

### Claim 3 (depends on 1)

The sintered body of claim 1 wherein the body has a porosity of less than 10 percent.

### Claim 4 (depends on 1)

The sintered body of claim 1 wherein the body has a porosity of less than 20 percent.

### Claim 5 (depends on 1)

The sintered body of claim 1 wherein the refractory inner volume is 13% yttria.

### Claim 6 (depends on 1)

The sintered body of claim 1 wherein each respective aperture is a right circular cylinder with a diameter of about 19 mm.

### Claim 7 (depends on 1)

The sintered body of claim 1 and further comprising a lip extending from the tile body for engaging adjacent tile bodies.

### Claim 8

A corrosion resistant refractory ceramic hexagonal target tile body for use covering a burner media bed, comprising a generally flat hexagonal portion and a plurality of generally right circular cylindrical aperture portions extending therethrough; wherein the ceramic hexagonal target tile body has a thickness of about 89 mm and a width of about 42 cm; wherein the ceramic body is 13 percent yttria fully stabilized YSZ; wherein each respective aperture has a diameter of about 19 mm.

### Claim 9

A method of retarding corrosion of burner catalyst media, comprising:
a) positioning a plurality of catalyst media in a regenerative unit to define a bed;
b) positioning a plurality of hexagonal target tiles adjacent the bed and between a hot gas source and the bed to define a contiguous floor;
c) flowing hot gas through the contiguous floor and through the bed;
wherein each respective hexagonal target tile has a thickness of about 89 mm, a width of about 42 cm, and a composition of 13 percent Atria fully stabilized YSZ.

### Claim 10 (depends on 9)

The method of claim 9 wherein each respective target tile further comprises a plurality of right circular cylindrical apertures extending therethrough; wherein each aperture has a diameter of about 19 mm.