DE69512378D1 - Verfahren zur entfernung von unerwünschten farben aus salzsäure - Google Patents

Verfahren zur entfernung von unerwünschten farben aus salzsäure

Info

Publication number
DE69512378D1
DE69512378D1 DE69512378T DE69512378T DE69512378D1 DE 69512378 D1 DE69512378 D1 DE 69512378D1 DE 69512378 T DE69512378 T DE 69512378T DE 69512378 T DE69512378 T DE 69512378T DE 69512378 D1 DE69512378 D1 DE 69512378D1
Authority
DE
Germany
Prior art keywords
hydrochloric acid
removing unwanted
unwanted colors
colors
removing iron
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
DE69512378T
Other languages
English (en)
Other versions
DE69512378T2 (de
Inventor
Ragnar Wold
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.)
Polymers Holding As Oslo No
Original Assignee
Norsk Hydro ASA
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 by Norsk Hydro ASA filed Critical Norsk Hydro ASA
Application granted granted Critical
Publication of DE69512378D1 publication Critical patent/DE69512378D1/de
Publication of DE69512378T2 publication Critical patent/DE69512378T2/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
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C01B7/0706—Purification ; Separation of hydrogen chloride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Optical Filters (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Catalysts (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
DE69512378T 1994-06-03 1995-05-31 Verfahren zur entfernung von unerwünschten farben aus salzsäure Expired - Fee Related DE69512378T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO19942074A NO179243B1 (no) 1994-06-03 1994-06-03 Fremgangsmate for a fjerne uonsket farge fra saltsyre, samt anvendelse av hydroksylaminhydroklorid for a fjerne uonsket farge fra saltsyre
PCT/NO1995/000085 WO1995033680A1 (en) 1994-06-03 1995-05-31 Method for the removal of unwanted colour from hydrochloric acid

Publications (2)

Publication Number Publication Date
DE69512378D1 true DE69512378D1 (de) 1999-10-28
DE69512378T2 DE69512378T2 (de) 2000-04-06

Family

ID=19897144

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69512378T Expired - Fee Related DE69512378T2 (de) 1994-06-03 1995-05-31 Verfahren zur entfernung von unerwünschten farben aus salzsäure

Country Status (12)

Country Link
US (1) US6290927B1 (de)
EP (1) EP0725759B1 (de)
JP (1) JPH08509455A (de)
CN (1) CN1040865C (de)
AT (1) ATE184860T1 (de)
AU (1) AU2684395A (de)
DE (1) DE69512378T2 (de)
ES (1) ES2138215T3 (de)
NO (1) NO179243B1 (de)
PL (1) PL179886B1 (de)
RU (1) RU2107020C1 (de)
WO (1) WO1995033680A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10101394A1 (de) * 2001-01-15 2002-07-18 Bayer Ag Verfahren zur Verwertung von Abfallsalzmischungen von HALEX-Reaktionen
JP2007022956A (ja) * 2005-07-15 2007-02-01 Mitsubishi Gas Chem Co Inc 高純度アミノメチレンホスホン酸の製造方法
IN2013MU02038A (de) * 2013-06-17 2015-06-05 Reliance Ind Ltd
CN108435137A (zh) * 2018-03-16 2018-08-24 三峡大学 一种盐酸脱色及盐酸金属离子脱除的负载型试剂及制备方法
CN108383083A (zh) * 2018-03-16 2018-08-10 三峡大学 一种负载型盐酸脱色剂及其制备方法和脱色工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1770010A (en) * 1927-04-27 1930-07-08 British Dyestuffs Corp Ltd Removal of free chlorine and bromine from fluid mixtures
US2787525A (en) * 1952-01-23 1957-04-02 Columbia Southern Chem Corp Removal of free chlorine from hci
US2787523A (en) * 1952-02-23 1957-04-02 Columbia Southern Chem Corp Removal of chlorine from hci
US3855400A (en) * 1972-02-10 1974-12-17 Hooker Chemicals Plastics Corp Purification of hydrochloric acid
DE2836580C3 (de) * 1978-08-21 1981-11-05 Chemische Werke Hüls AG, 4370 Marl Verfahren zur Trennung von Chlorwasserstoff und Bromwasserstoff
US4349525A (en) * 1981-04-21 1982-09-14 Chisso Corporation Process for purifying hydrochloric acid produced from alkali chloride and sulfuric acid
JPS6136102A (ja) * 1984-07-27 1986-02-20 Asahi Glass Co Ltd 塩化水素中に含まれる弗化水素の除去法
JPH02233503A (ja) * 1989-03-06 1990-09-17 Daiso Co Ltd 塩酸の精製方法
DE4110177C2 (de) * 1991-03-27 1995-01-05 Qvf Glastech Gmbh Verfahren zur Herstellung einer von Fremdhalogenen gereinigten Salzsäure
DE4344200C2 (de) * 1993-12-23 1995-11-30 Schering Ag Verfahren zur Salzsäuregewinnung aus brom- und jodhaltigen Rauchgasen

Also Published As

Publication number Publication date
NO942074D0 (no) 1994-06-03
CN1128978A (zh) 1996-08-14
DE69512378T2 (de) 2000-04-06
AU2684395A (en) 1996-01-04
NO179243C (no) 1996-09-04
EP0725759B1 (de) 1999-09-22
NO942074A (no) 1995-12-04
RU2107020C1 (ru) 1998-03-20
US6290927B1 (en) 2001-09-18
WO1995033680A1 (en) 1995-12-14
PL312777A1 (en) 1996-05-13
PL179886B1 (pl) 2000-11-30
ES2138215T3 (es) 2000-01-01
CN1040865C (zh) 1998-11-25
EP0725759A1 (de) 1996-08-14
JPH08509455A (ja) 1996-10-08
ATE184860T1 (de) 1999-10-15
NO179243B (no) 1996-05-28
NO179243B1 (no) 1996-09-23

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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: POLYMERS HOLDING AS, OSLO, NO

8339 Ceased/non-payment of the annual fee