DE3670215D1 - Gewinnung gemischter saeuren aus gemischtem salz. - Google Patents

Gewinnung gemischter saeuren aus gemischtem salz.

Info

Publication number
DE3670215D1
DE3670215D1 DE8686901637T DE3670215T DE3670215D1 DE 3670215 D1 DE3670215 D1 DE 3670215D1 DE 8686901637 T DE8686901637 T DE 8686901637T DE 3670215 T DE3670215 T DE 3670215T DE 3670215 D1 DE3670215 D1 DE 3670215D1
Authority
DE
Germany
Prior art keywords
mixed
acids
obtaining
salt
mixed salt
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 - Lifetime
Application number
DE8686901637T
Other languages
English (en)
Inventor
P Chlanda
N Mani
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.)
Marmon Industrial Water LLC
Original Assignee
AlliedSignal Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24932881&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3670215(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by AlliedSignal Inc filed Critical AlliedSignal Inc
Application granted granted Critical
Publication of DE3670215D1 publication Critical patent/DE3670215D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/42—Preparation from nitrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36—Regeneration of waste pickling liquors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Urology & Nephrology (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
DE8686901637T 1985-05-03 1986-02-14 Gewinnung gemischter saeuren aus gemischtem salz. Expired - Lifetime DE3670215D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72984885A 1985-05-03 1985-05-03
PCT/US1986/000324 WO1986006646A1 (en) 1985-05-03 1986-02-14 Recovery of mixed acids from mixed salts

Publications (1)

Publication Number Publication Date
DE3670215D1 true DE3670215D1 (de) 1990-05-17

Family

ID=24932881

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686901637T Expired - Lifetime DE3670215D1 (de) 1985-05-03 1986-02-14 Gewinnung gemischter saeuren aus gemischtem salz.

Country Status (6)

Country Link
EP (1) EP0220202B1 (de)
JP (1) JP2726657B2 (de)
KR (1) KR900000772B1 (de)
CA (1) CA1284309C (de)
DE (1) DE3670215D1 (de)
WO (1) WO1986006646A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740281A (en) * 1986-10-14 1988-04-26 Allied Corporation Recovery of acids from materials comprising acid and salt
JPS63291608A (ja) * 1987-05-22 1988-11-29 Tokuyama Soda Co Ltd 酸廃液の再生方法
JPH07112558B2 (ja) * 1987-11-18 1995-12-06 神鋼パンテック株式会社 硝フッ酸廃液の再生回収処理方法
EP0330772B1 (de) * 1988-04-28 1993-05-26 Tokuyama Soda Kabushiki Kaisha Doppeltzerlegungsmethode eines neutralen Salzes
DE3825857A1 (de) * 1988-07-29 1990-02-01 Kernforschungsanlage Juelich Beizsaeure fuer edelstahl und verfahren zur aufarbeitung von verbrauchter beizsaeure
US5162076A (en) * 1988-11-30 1992-11-10 Allied-Signal Inc. Method for purification of acids from materials comprising acid and salt
US4995956A (en) * 1989-04-06 1991-02-26 Allied-Signal Inc. Method and apparatus to control a salt stream to be treated in an electrodialytic water splitter
JPH07110764B2 (ja) * 1990-05-30 1995-11-29 燐化学工業株式会社 アルカリ金属次亜リン酸塩の製造方法
CZ304507B6 (cs) * 2013-03-28 2014-06-04 Membrain S.R.O. Způsob výroby dusičnanu draselného metodou elektrodialýzy a zařízení k provádění tohoto způsobu
CN112023699A (zh) * 2020-08-03 2020-12-04 上海漫关越水处理有限公司 采用致密交联离子膜制备12个9以上超纯氢氟酸的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562139A (en) * 1968-08-05 1971-02-09 Ionics Cationic-anionic ion-exchange membrane
US3787304A (en) * 1972-01-31 1974-01-22 Allied Chem Production of hf from fluorine by-products
US3788959A (en) * 1972-05-05 1974-01-29 Sybron Corp Electrodialytic recovery of acid and insoluble products from spent liquors
US3933605A (en) * 1973-11-12 1976-01-20 United States Steel Corporation Non-polluting pickling method
US3926759A (en) * 1975-02-06 1975-12-16 Pitt Metals And Chemicals Inc Process for recovering tin salts from the waste rinse water of a halogen tin plating process
US4024043A (en) * 1975-12-31 1977-05-17 Allied Chemical Corporation Single film, high performance bipolar membrane
US4149946A (en) * 1978-03-21 1979-04-17 Davis Walker Corporation Recovery of spent pickle liquor and iron metal
JPS5544588A (en) * 1978-09-26 1980-03-28 Sumitomo Metal Ind Ltd Recovering method for mixture of hydrofluoric acid and nitric acid
US4219396A (en) * 1979-08-03 1980-08-26 Allied Chemical Corporation Electrodialytic process
SU1105515A1 (ru) * 1981-07-02 1984-07-30 Всесоюзный Научно-Исследовательский И Проектный Институт По Очистке Технологических Газов,Сточных Вод И Использованию Вторичных Энергоресурсов Предприятий Черной Металлургии Способ регенерации кислот из фторсодержащих травильных растворов

Also Published As

Publication number Publication date
EP0220202A1 (de) 1987-05-06
KR870700211A (ko) 1987-05-30
JP2726657B2 (ja) 1998-03-11
KR900000772B1 (ko) 1990-02-16
EP0220202A4 (de) 1987-06-19
WO1986006646A1 (en) 1986-11-20
CA1284309C (en) 1991-05-21
EP0220202B1 (de) 1990-04-11
JPS62502695A (ja) 1987-10-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: THE GRAVER CO. (N.D.GES.D. STAATES DELAWARE), UNIO

8327 Change in the person/name/address of the patent owner

Owner name: GRAVER WATER SYSTEMS,INC.(N.D.GES.D.STAATES DELAWA

8339 Ceased/non-payment of the annual fee