GB1251430A - - Google Patents

Info

Publication number
GB1251430A
GB1251430A GB1251430DA GB1251430A GB 1251430 A GB1251430 A GB 1251430A GB 1251430D A GB1251430D A GB 1251430DA GB 1251430 A GB1251430 A GB 1251430A
Authority
GB
United Kingdom
Prior art keywords
compartment
dilution
hno
aqueous solution
compartments
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
Other languages
English (en)
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 filed Critical
Publication of GB1251430A publication Critical patent/GB1251430A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44Ion-selective electrodialysis
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1251430D 1968-11-28 1969-11-26 Expired GB1251430A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR175758 1968-11-28

Publications (1)

Publication Number Publication Date
GB1251430A true GB1251430A (pt) 1971-10-27

Family

ID=8657579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251430D Expired GB1251430A (pt) 1968-11-28 1969-11-26

Country Status (7)

Country Link
BE (1) BE742334A (pt)
BR (1) BR6914497D0 (pt)
DE (1) DE1959897A1 (pt)
FR (1) FR1593764A (pt)
GB (1) GB1251430A (pt)
LU (1) LU59902A1 (pt)
NL (1) NL6917502A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19600620C1 (de) * 1996-01-10 1997-04-17 Hoechst Ag Verfahren zur Darstellung einer besonders reinen Glykolsäure

Also Published As

Publication number Publication date
BE742334A (pt) 1970-05-27
LU59902A1 (pt) 1970-05-27
DE1959897A1 (de) 1970-06-18
BR6914497D0 (pt) 1973-05-03
FR1593764A (pt) 1970-06-01
NL6917502A (pt) 1970-06-01

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees