GB707281A - Method and apparatus for the removal of carbonaceous deposits from powdered solids - Google Patents

Method and apparatus for the removal of carbonaceous deposits from powdered solids

Info

Publication number
GB707281A
GB707281A GB22810/52A GB2281052A GB707281A GB 707281 A GB707281 A GB 707281A GB 22810/52 A GB22810/52 A GB 22810/52A GB 2281052 A GB2281052 A GB 2281052A GB 707281 A GB707281 A GB 707281A
Authority
GB
United Kingdom
Prior art keywords
stripping
vessel
zone
gas
stripping zone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB22810/52A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bataafsche Petroleum Maatschappij NV
Original Assignee
Bataafsche Petroleum Maatschappij NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bataafsche Petroleum Maatschappij NV filed Critical Bataafsche Petroleum Maatschappij NV
Publication of GB707281A publication Critical patent/GB707281A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1845—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised
    • B01J8/1854—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised followed by a downward movement inside the reactor to form a loop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

The method of regenerating finely divided non- combustible solids contaminated with carbonaceous deposits as claimed in the parent Specification is modified by injecting a stripping gas into the bottom of the bed of regenerated solids forming a seal between the stripping zone and burning zone, in order to remove inert combustion gases. The apparatus used comprises a vessel 11 having a combustion gas outlet 23, a partition 12 dividing the vessel into burning and stripping zones, a second partition 13 dividing the stripping zone into two separate zones, a mixing vessel 18 in the lower stripping zone, a conduit 19 leading from the upper stripping zone to the mixing vessel a conduit 9 leading to the mixing vessel for introducing solids to be regenerated, a conduit 7 for withdrawal of regenerated solids, an outlet conduit 21 for stripping gas from the lower stripping zone, and separate means 15, 17, 24 for introducing gases into the two stripping zones and the burning zone. Vertical baffles 14, 16 are provided in the stripping zones. Back pressure control valve 22 <PICT:0707281/III/1> is regulated so that the level of the solid in the lower stripping zone is above the baffles but below the mixing vessel. Steam may be used as the stripping gas and air as the burning gas. Catalytic cracking is carried out in vessel 1, catalyst for regeneration being withdrawn from well 6. The cracking vessel comprises a tall narrow portion providing a fluidized bed having a ratio of height to diameter of at least 6, and a wider disengaging portion at the top. Stripping gas from the lower stripping zone may pass to the space above the fluidized bed in vessel 1, and from the upper stripping zone to the combustion gas outlet 23.
GB22810/52A 1950-02-28 1952-09-11 Method and apparatus for the removal of carbonaceous deposits from powdered solids Expired GB707281A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US680604XA 1950-02-28 1950-02-28

Publications (1)

Publication Number Publication Date
GB707281A true GB707281A (en) 1954-04-14

Family

ID=22080169

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4595/51A Expired GB680604A (en) 1950-02-28 1951-02-26 Method and apparatus for the removal of carbonaceous deposits from powdered solids
GB22810/52A Expired GB707281A (en) 1950-02-28 1952-09-11 Method and apparatus for the removal of carbonaceous deposits from powdered solids

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB4595/51A Expired GB680604A (en) 1950-02-28 1951-02-26 Method and apparatus for the removal of carbonaceous deposits from powdered solids

Country Status (3)

Country Link
DE (1) DE934583C (en)
FR (1) FR1068841A (en)
GB (2) GB680604A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1001441B (en) * 1954-05-12 1957-01-24 Exxon Research Engineering Co Process for the regenerative reforming of hydrocarbons

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2401739A (en) * 1941-08-25 1946-06-11 Standard Oil Co Cocurrent-countercurrent regenerator
US2617708A (en) * 1950-05-22 1952-11-11 Shell Dev Process and apparatus for contacting fluidized solids with gaseous fluids

Also Published As

Publication number Publication date
GB680604A (en) 1952-10-08
DE934583C (en) 1955-10-27
FR1068841A (en) 1954-07-01

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