NL82530C - - Google Patents

Info

Publication number
NL82530C
NL82530C NL82530DA NL82530C NL 82530 C NL82530 C NL 82530C NL 82530D A NL82530D A NL 82530DA NL 82530 C NL82530 C NL 82530C
Authority
NL
Grant status
Grant
Patent type
Application number
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.)

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/141Preparation of hydrosols or aqueous dispersions
    • C01B33/142Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
    • C01B33/143Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
    • C01B33/1435Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates using ion exchangers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42Electrodialysis; Electro-osmosis Electro-ultrafiltration
    • B01D61/44Ion-selective electrodialysis
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/48Sulfur dioxide; Sulfurous acid
NL82530C 1952-10-17 NL82530C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US2921005A US2921005A (en) 1952-10-17 1952-10-17 Electrolytic conversions with permselective membranes

Publications (1)

Publication Number Publication Date
NL82530C true NL82530C (en)

Family

ID=23223516

Family Applications (1)

Application Number Title Priority Date Filing Date
NL82530C NL82530C (en) 1952-10-17

Country Status (6)

Country Link
US (1) US2921005A (en)
BE (1) BE523563A (en)
DE (1) DE1054068B (en)
FR (1) FR1084927A (en)
GB (1) GB767103A (en)
NL (1) NL82530C (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330749A (en) * 1958-02-11 1967-07-11 Takeda Chemical Industries Ltd Process for treating amino acid solution
US3220941A (en) * 1960-08-03 1965-11-30 Hooker Chemical Corp Method for electrolysis
US3113911A (en) * 1960-09-06 1963-12-10 Armour Pharma Process of preparing aluminum chlorhydroxides and aluminum hydroxide
NL269837A (en) * 1960-10-04
US3105023A (en) * 1961-03-14 1963-09-24 Standard Oil Co Electrochemical manufacture of cyanogen halides
US3433726A (en) * 1962-06-08 1969-03-18 Ionics Method and apparatus for treating liquid milk products
US3247133A (en) * 1962-11-02 1966-04-19 American Mach & Foundry Method of forming graft copolymer ion exchange membranes
US3335079A (en) * 1962-11-19 1967-08-08 American Mach & Foundry Electrodialysis apparatus including vertically suspended ion exchange membranes
US3193480A (en) * 1963-02-01 1965-07-06 Monsanto Co Adiponitrile process
US3250392A (en) * 1964-02-17 1966-05-10 Honeywell Inc Water softener system control apparatus
US3395087A (en) * 1964-06-09 1968-07-30 Sulphite Products Corp Electrodialysis cell
US3411998A (en) * 1966-04-06 1968-11-19 Gen Dynamics Corp Process for reclaiming spent alkali metal carboxylate solutions
US3776530A (en) * 1971-03-25 1973-12-04 Lau Inc Electrodialytic demineralizing unit for humidification purposes
US3964985A (en) * 1974-10-29 1976-06-22 Ionics, Incorporated Electrodialysis apparatus and process for ion modification
FR2434872B1 (en) * 1978-08-30 1981-01-30 Air Liquide
FR2476077B1 (en) * 1980-02-19 1984-04-27 Rhone Poulenc Sante
US4391841A (en) * 1980-03-28 1983-07-05 Kollmorgen Technologies Corporation Passivation of metallic equipment surfaces in electroless copper deposition processes
DE3126860A1 (en) * 1981-07-08 1983-01-27 Biotronik Wissenschaftliche Ge Method and apparatus for the quantitative determination of cations or anions by ion chromatography
US4684453A (en) * 1984-10-26 1987-08-04 Vaughan Daniel J Purification of dye baths
US4566956A (en) * 1984-12-07 1986-01-28 The Dow Chemical Company Electrochemical conversion of soluble salts of insoluble acids to their acid form
EP0184381B1 (en) * 1984-12-07 1989-05-31 The Dow Chemical Company Electrochemical process and cell
US4652350A (en) * 1984-12-07 1987-03-24 The Dow Chemical Company Electrochemical process
JPS61261488A (en) * 1985-05-15 1986-11-19 Musashino Kagaku Kenkyusho:Kk Electrolyzing method for alkaline metallic salt of amino acid
DE3542861A1 (en) * 1985-12-04 1987-06-11 Huels Chemische Werke Ag A process for recovering L-malic acid
CA1337562C (en) * 1989-04-14 1995-11-14 Daniel A. D. Boateng Method for separating dissolved species by electrodialysis
US4985127A (en) * 1989-12-29 1991-01-15 Vaughan Daniel J Electrodialytic conversion of multivalent metal salts using sulfonate ions
US5310465A (en) * 1990-06-14 1994-05-10 Vaughan Daniel J Electrodialytic oxydation-reduction of metals
US6140428A (en) * 1992-06-17 2000-10-31 Basf Aktiengesellschaft Simultaneous production of dicarboxylic acids and diamines by splitting polyamides into their monomeric constituents
DE4342668A1 (en) * 1993-12-15 1995-06-22 Basf Ag A process for recovering carboxylic acids from their salts
CN105087677A (en) * 2014-04-21 2015-11-25 怀来县长城生物化学工程有限公司 D-(-)-tartaric acid clean production process based on bipolar membrane electroosmosis technology
CN105087676A (en) * 2014-04-21 2015-11-25 怀来县长城生物化学工程有限公司 L-(+)-tartaric acid clean production process based on bipolar membrane electroosmosis technology

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2592686A (en) * 1952-04-15 Electrolytic production of fatty
US634271A (en) * 1898-01-21 1899-10-03 Henri Plater-Syberg Process of extracting acetic acid from alkaline acetates.
US2033732A (en) * 1934-08-27 1936-03-10 Firm Hanseatische Muhlenwerke Process for the working up of soaps
US2636852A (en) * 1949-07-09 1953-04-28 Ionics Method of electrodialyzing aqueous solutions and apparatus therefor
NL96474C (en) * 1949-07-09
NL96481C (en) * 1950-07-21

Also Published As

Publication number Publication date Type
DE1054068B (en) 1959-04-02 application
BE523563A (en) grant
US2921005A (en) 1960-01-12 grant
GB767103A (en) 1957-01-30 application
FR1084927A (en) 1955-01-25 grant

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