GB1066046A - Improved process for the recovery of p-xylene - Google Patents

Improved process for the recovery of p-xylene

Info

Publication number
GB1066046A
GB1066046A GB36494/65A GB3649465A GB1066046A GB 1066046 A GB1066046 A GB 1066046A GB 36494/65 A GB36494/65 A GB 36494/65A GB 3649465 A GB3649465 A GB 3649465A GB 1066046 A GB1066046 A GB 1066046A
Authority
GB
United Kingdom
Prior art keywords
xylene
crystals
slurry
washing
washing 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
GB36494/65A
Other languages
English (en)
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.)
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
Original Assignee
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
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 US327885A external-priority patent/US3410923A/en
Application filed by SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Publication of GB1066046A publication Critical patent/GB1066046A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0223—Moving bed of solid material
    • B01D11/0242—Moving bed of solid material in towers, e.g. comprising contacting elements
    • B01D11/0246—Moving bed of solid material in towers, e.g. comprising contacting elements comprising rotating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D2011/002—Counter-current extraction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB36494/65A 1963-12-04 1965-08-25 Improved process for the recovery of p-xylene Expired GB1066046A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US327885A US3410923A (en) 1963-12-04 1963-12-04 Separation process
US39245264A 1964-08-27 1964-08-27

Publications (1)

Publication Number Publication Date
GB1066046A true GB1066046A (en) 1967-04-19

Family

ID=26986119

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36494/65A Expired GB1066046A (en) 1963-12-04 1965-08-25 Improved process for the recovery of p-xylene

Country Status (3)

Country Link
BE (1) BE668791A (enrdf_load_stackoverflow)
GB (1) GB1066046A (enrdf_load_stackoverflow)
NL (1) NL145833B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110215734A (zh) * 2019-06-17 2019-09-10 安徽紫山农业科技有限公司 一种生物医药的提取设备及其提取方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110215734A (zh) * 2019-06-17 2019-09-10 安徽紫山农业科技有限公司 一种生物医药的提取设备及其提取方法

Also Published As

Publication number Publication date
NL145833B (nl) 1975-05-15
BE668791A (enrdf_load_stackoverflow) 1966-02-25
NL6511078A (enrdf_load_stackoverflow) 1966-02-28

Similar Documents

Publication Publication Date Title
GB1024100A (en) P-xylene recovery
ES303075A1 (es) Procedimiento para la purificacion de dinitrilo adipinico.
GB787608A (en) Improvements in crystallization procedure and apparatus
GB1066046A (en) Improved process for the recovery of p-xylene
GB1246277A (en) Improvements in the crystallisation of substances
KR880007105A (ko) 결정화에 의하여 액체혼합물로부터 순수물질을 회수하는 방법 및 장치
ES435492A1 (es) Procedimiento para separar paraxileno de una mezcla normal- mente liquida de isomeros de xileno y aromaticos c 8grados.
GB1381724A (en) Separation process
ES386356A1 (es) Un procedimiento para cristalizar un componente cristaliza-ble a partir de una solucion del mismo.
US2297034A (en) Process of crystallizing urea
US2651665A (en) Recovery of pure paraxylene
GB912783A (en) Separation by crystallization
GB796480A (en) Recovery of crystallizable hydrocarbons
SE314082B (enrdf_load_stackoverflow)
GB1305837A (enrdf_load_stackoverflow)
GB1249783A (en) Concentration of aqueous acetic acid
GB1208364A (en) Purification process involving two crystallization stages for separating paraxylene from an aromatic hydrocarbon fraction
GB768273A (en) Purification of terephthalic acid
US3936499A (en) Process for the production of prilled urea having a low biuret content
GB1198160A (en) A Method of Refining 2,6-Xylenol
GB734754A (en) Improvements in or relating to continuous fractional crystallization process and apparatus therefor
GB798633A (en) Aspirin
GB1082846A (en) A process for the depotassification of industrial by-products
GB1086028A (en) Process for the purification of ethylene carbonate
US2552584A (en) Preparation of thiourea