DE68906423D1 - Verfahren zur konzentrierung der salpetersaeure. - Google Patents

Verfahren zur konzentrierung der salpetersaeure.

Info

Publication number
DE68906423D1
DE68906423D1 DE8989301330T DE68906423T DE68906423D1 DE 68906423 D1 DE68906423 D1 DE 68906423D1 DE 8989301330 T DE8989301330 T DE 8989301330T DE 68906423 T DE68906423 T DE 68906423T DE 68906423 D1 DE68906423 D1 DE 68906423D1
Authority
DE
Germany
Prior art keywords
nitric acid
concentrating nitric
concentrating
acid
nitric
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 - Fee Related
Application number
DE8989301330T
Other languages
English (en)
Other versions
DE68906423T2 (de
Inventor
Alfred Alexander Guenkel
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.)
Guenkel Alfred Alexander Vancouver Bc Ca
Original Assignee
Guenkel Alfred Alexander Vancouver Bc Ca
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=22590236&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68906423(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Guenkel Alfred Alexander Vancouver Bc Ca filed Critical Guenkel Alfred Alexander Vancouver Bc Ca
Application granted granted Critical
Publication of DE68906423D1 publication Critical patent/DE68906423D1/de
Publication of DE68906423T2 publication Critical patent/DE68906423T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C01B21/44—Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE1989606423 1988-02-22 1989-02-13 Verfahren zur konzentrierung der salpetersaeure. Expired - Fee Related DE68906423T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16349288A 1988-02-22 1988-02-22

Publications (2)

Publication Number Publication Date
DE68906423D1 true DE68906423D1 (de) 1993-06-17
DE68906423T2 DE68906423T2 (de) 1993-09-09

Family

ID=22590236

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989606423 Expired - Fee Related DE68906423T2 (de) 1988-02-22 1989-02-13 Verfahren zur konzentrierung der salpetersaeure.

Country Status (4)

Country Link
EP (1) EP0330351B1 (de)
CA (1) CA1325878C (de)
DE (1) DE68906423T2 (de)
ES (1) ES2040995T3 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19920741B4 (de) * 1999-05-05 2007-07-12 Qvf Engineering Gmbh Verfahren zur Herstellung konzentrierter Salpetersäure
JP2003534221A (ja) * 2000-05-22 2003-11-18 クーファウエフ・エンジニアリング・ゲーエムベーハー 濃硝酸を製造する方法およびそのような方法を実施するための装置
DE102005006027B4 (de) * 2005-02-09 2009-07-23 Plinke Gmbh Verfahren zur Hochkonzentrierung von Salpetersäure mit Schwefelsäure
CN102530893B (zh) * 2012-03-08 2013-07-17 青岛科技大学 一种硝酸萃取浓缩方法
CN104496100B (zh) * 2014-11-24 2016-07-06 四川泸天化股份有限公司 硝酸/硝酸铵生产工艺中产生的氨氮废水回收处理方法
CN114291833A (zh) * 2019-06-05 2022-04-08 中国科学院青海盐湖研究所 一种硝酸镁以及硝酸镁基多元熔盐的制备方法
CN114787079A (zh) * 2019-12-18 2022-07-22 科思创知识产权两合公司 清洁用于浓缩无机酸的设备的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE455469A (de) * 1943-06-10
FR1395310A (fr) * 1963-05-18 1965-04-09 Hoechst Ag Procédé de concentration de l'acide nitrique

Also Published As

Publication number Publication date
DE68906423T2 (de) 1993-09-09
ES2040995T3 (es) 1993-11-01
CA1325878C (en) 1994-01-11
EP0330351A1 (de) 1989-08-30
EP0330351B1 (de) 1993-05-12

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee