NL77406C - - Google Patents

Info

Publication number
NL77406C
NL77406C NL77406DA NL77406C NL 77406 C NL77406 C NL 77406C NL 77406D A NL77406D A NL 77406DA NL 77406 C NL77406 C NL 77406C
Authority
NL
Netherlands
Prior art keywords
membrane
group
compound
replaced
membranes
Prior art date
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.)
Publication of NL77406C publication Critical patent/NL77406C/xx

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
    • B01D61/422Electrodialysis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0006Organic membrane manufacture by chemical reactions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/76Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/82Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00Preparation of cellulose ethers
    • C08B11/02Alkyl or cycloalkyl ethers
    • C08B11/04Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/14Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups
    • C08B11/15Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups with carbamoyl groups, i.e. -CO-NH2
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • C08F8/30Introducing nitrogen atoms or nitrogen-containing groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20Manufacture of shaped structures of ion-exchange resins
    • C08J5/22Films, membranes or diaphragms
    • C08J5/2206Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218Synthetic macromolecular compounds
    • C08J5/2256Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20Manufacture of shaped structures of ion-exchange resins
    • C08J5/22Films, membranes or diaphragms
    • C08J5/2287After-treatment
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12Chemical modification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Water Supply & Treatment (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
NL77406D 1952-02-11 NL77406C (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL733100X 1952-02-11

Publications (1)

Publication Number Publication Date
NL77406C true NL77406C (el)

Family

ID=19820332

Family Applications (1)

Application Number Title Priority Date Filing Date
NL77406D NL77406C (el) 1952-02-11

Country Status (3)

Country Link
BE (1) BE517435A (el)
GB (1) GB733100A (el)
NL (1) NL77406C (el)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577013A (en) * 1983-12-22 1986-03-18 Ciba-Geigy Corporation Ionically modified cellulose material, its preparation and its use
CA1327568C (en) * 1984-07-06 1994-03-08 Jurg Merz Ionically modified polysaccharides, process for their preparation and the use thereof
CN113437341B (zh) * 2021-06-28 2022-04-12 泰山学院 一种液流电池用两性离子传导膜及其制备方法

Also Published As

Publication number Publication date
BE517435A (el)
GB733100A (en) 1955-07-06

Similar Documents

Publication Publication Date Title
US5928488A (en) Electrolytic sodium sulfate salt splitter comprising a polymeric ion conductor
US3510418A (en) Ion selective membrane
US4985147A (en) Liquid separation membrane for pervaporation
IT1069021B (it) Procedimento per la produzione di idrossido di metallo alcalino
RU2142476C1 (ru) Способ снижения содержания органического и неорганического галогена в водном растворе азотсодержащей смолы
GB963932A (en) The process and apparatus for electrodialyzing solutions
DK175066B1 (da) Fremgangsmåde til rensning af L-ascorbinsyre
JPH0692627A (ja) 水酸化ナトリウム水溶液の製造方法
NL77406C (el)
US2805196A (en) Permselective electrodialysis
NO152457C (no) Ionebyttermembran for elektrolyse av saltloesninger og fremgangsmaate for dens fremstilling
KR930013210A (ko) 팔라듐 수산화 화합물의 전기 합성
US4051002A (en) Electrodialysis for aqueous solution of base
CA1272982A (en) Method for the recovery of lithium from solutions by electrodialysis
KR20160129423A (ko) 산/염기 발생을 위한 물분해 전기투석 공정용 바이폴라막
GB1437271A (en) Selective electrodialysis of cations
US4204921A (en) Method for rejuvenating chlor-alkali cells
JPS5620173A (en) Preparation of chlorine water
FI101383B (fi) Menetelmä hepariinikalsiumin valmistamiseksi
JPH02247148A (ja) グリオキサール水溶液の精製法
RU2309899C2 (ru) Способ получения активированных растворов
DE3870754D1 (de) Verfahren zur reinigung eines dipeptid-esters.
JPS59193289A (ja) 高純度第4アンモニウム水酸化物の製造方法
JPS5952711B2 (ja) 塩化アルカリ水溶液の電解方法
LaConti et al. Morphology and reverse osmosis properties of sulfonated 2, 6-dimethyl polyphenylene oxide membranes