MX167192B - Procedimiento mejorado para la adsorcion por oscilacion de presion y sistema para la separacion de gas - Google Patents

Procedimiento mejorado para la adsorcion por oscilacion de presion y sistema para la separacion de gas

Info

Publication number
MX167192B
MX167192B MX014366A MX1436688A MX167192B MX 167192 B MX167192 B MX 167192B MX 014366 A MX014366 A MX 014366A MX 1436688 A MX1436688 A MX 1436688A MX 167192 B MX167192 B MX 167192B
Authority
MX
Mexico
Prior art keywords
bed
component
easily adsorbable
gas mixture
feed
Prior art date
Application number
MX014366A
Other languages
English (en)
Inventor
Dale Arnold Lagree
Frederick Wells Leavitt
Original Assignee
Union Carbide Corp
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
Priority claimed from CA000574054A external-priority patent/CA1325182C/en
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of MX167192B publication Critical patent/MX167192B/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/0476—Vacuum pressure swing adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B01D2253/1085—Zeolites characterized by a silicon-aluminium ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/10—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/12—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/102—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40013—Pressurization
    • B01D2259/40015—Pressurization with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40028—Depressurization
    • B01D2259/4003—Depressurization with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40043—Purging
    • B01D2259/40045—Purging with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40043—Purging
    • B01D2259/4005—Nature of purge gas
    • B01D2259/40052—Recycled product or process gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
    • B01D2259/40066—Six
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40077—Direction of flow
    • B01D2259/40079—Co-current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40077—Direction of flow
    • B01D2259/40081—Counter-current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/403—Further details for adsorption processes and devices using three beds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S95/00—Gas separation: processes
    • Y10S95/90—Solid sorbent
    • Y10S95/902—Molecular sieve

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

La presente invención se refiere a un procedimiento de adsorción por oscilación de presión mejorado, para la recuperación del componente más fácilmente adsorbible de una mezcla de gas de alimentación que contiene dicho componente, y un componente menos fácilmente adsorbible en un sistema de adosorción que tiene por lo menos dos lechos adsorbentes que contienen material adsorbente capaz de adsorber selectivamente dicho componente más fácilmente adsorbible, introduciéndose la mezcla de gas de alimentación al extremo de alimentación del lecho, extrayéndose el componente más fácilmente adsorbible de dicho extremo de alimentación y descargándose el componente menos fácilmente adsorbible desde el extremo de descarga del lecho, sometiéndose cada lecho en una base ciclíca alternada, a una secuencia de procesado que comprende a) introducir el gas enriquecido en componenete menos fácilmente adsorbible al extremo de descarga del lecho para presurizar parcialmente a cotracorriente el lecho desde su nivel de presión de adsorción a la atmosférica a un nivel de presión intermedia, sirviendo dicho retrollenado a contracorriente del lecho para desplazar el componente más fácilmente adsorbible, previamente adsorbido hacia el extremo de alimentación de lecho, mejorando por lo tanto la agudeza de la zona de transferencia de masa que son los componentes menos y más fácilmente adsorbibles de la mezcla de gas de alimentación incrementado la cantidad de dicho componente mmás fácilmente adsorbible recuperable de la mezcla de gas de alimentación al extremo de alimentación de lecho, presurizandose a contracorriente el lecho desde dicha presión intermedia a su presión de adsorción superior.
MX014366A 1987-12-29 1988-12-28 Procedimiento mejorado para la adsorcion por oscilacion de presion y sistema para la separacion de gas MX167192B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/139,207 US4810265A (en) 1987-12-29 1987-12-29 Pressure swing adsorption process for gas separation
CA000574054A CA1325182C (en) 1987-12-29 1988-08-05 Pressure swing adsorption process

Publications (1)

Publication Number Publication Date
MX167192B true MX167192B (es) 1993-03-09

Family

ID=25672038

Family Applications (1)

Application Number Title Priority Date Filing Date
MX014366A MX167192B (es) 1987-12-29 1988-12-28 Procedimiento mejorado para la adsorcion por oscilacion de presion y sistema para la separacion de gas

Country Status (9)

Country Link
US (1) US4810265A (es)
EP (1) EP0324171B1 (es)
JP (1) JPH0647056B2 (es)
KR (1) KR930005621B1 (es)
CN (1) CN1019744B (es)
CA (1) CA1314821C (es)
DE (1) DE3887312T2 (es)
ES (1) ES2048193T3 (es)
MX (1) MX167192B (es)

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Also Published As

Publication number Publication date
CA1314821C (en) 1993-03-23
CN1035442A (zh) 1989-09-13
KR930005621B1 (ko) 1993-06-23
KR890009449A (ko) 1989-08-02
JPH0647056B2 (ja) 1994-06-22
EP0324171A2 (en) 1989-07-19
US4810265A (en) 1989-03-07
DE3887312D1 (de) 1994-03-03
DE3887312T2 (de) 1994-05-11
ES2048193T3 (es) 1994-03-16
JPH01297119A (ja) 1989-11-30
EP0324171A3 (en) 1990-12-12
EP0324171B1 (en) 1994-01-19
CN1019744B (zh) 1992-12-30

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