DE69512378T2 - Verfahren zur entfernung von unerwünschten farben aus salzsäure - Google Patents

Verfahren zur entfernung von unerwünschten farben aus salzsäure

Info

Publication number
DE69512378T2
DE69512378T2 DE69512378T DE69512378T DE69512378T2 DE 69512378 T2 DE69512378 T2 DE 69512378T2 DE 69512378 T DE69512378 T DE 69512378T DE 69512378 T DE69512378 T DE 69512378T DE 69512378 T2 DE69512378 T2 DE 69512378T2
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
DE69512378D1 (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
Publication of DE69512378D1 publication Critical patent/DE69512378D1/de
Application granted granted Critical
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
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 DE69512378D1 (de) 1999-10-28
DE69512378T2 true 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
US20160130143A1 (en) 2013-06-17 2016-05-12 Reliance Industries Limited A Process For The Removal Of Metal Contaminants From Fluids
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
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

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
NO179243B (no) 1996-05-28
CN1128978A (zh) 1996-08-14
NO942074D0 (no) 1994-06-03
WO1995033680A1 (en) 1995-12-14
DE69512378D1 (de) 1999-10-28
ES2138215T3 (es) 2000-01-01
PL312777A1 (en) 1996-05-13
RU2107020C1 (ru) 1998-03-20
PL179886B1 (pl) 2000-11-30
AU2684395A (en) 1996-01-04
ATE184860T1 (de) 1999-10-15
NO179243B1 (no) 1996-09-23
US6290927B1 (en) 2001-09-18
EP0725759A1 (de) 1996-08-14
CN1040865C (zh) 1998-11-25
EP0725759B1 (de) 1999-09-22
NO942074A (no) 1995-12-04
NO179243C (no) 1996-09-04
JPH08509455A (ja) 1996-10-08

Similar Documents

Publication Publication Date Title
DE69514462D1 (de) Verfahren zur Beschichtung von Aluminiden, die leicht oxidierbare Metalle enthalten
DE69603838T2 (de) Verfahren zur behandlung von gasen
DE59005612D1 (de) Verfahren zur reduktion von farbstoffen.
DE69512250T2 (de) Verfahren zur herstellung von 1,1,1,3,3,3- hexafluorpropan
DE69715234T2 (de) Verfahren zur reinigung von 1,1-difluorethan
DE69100197D1 (de) Verfahren zur verhinderung von hydraten.
DE69710078T2 (de) Verfahren zur reinigung von 1,1,1,3,3-pentafluorpropan
DE69522807T2 (de) Verfahren zur herstellung von feinkörnigen, modifizierten stärken
DE69425496D1 (de) Verfahren zur herstellung von 1,4-dienen
DE69501300D1 (de) Verfahren zur reinigung von fluormethyl-1,1,1,3,3,3-hexafluorisopropylether
DE69512378T2 (de) Verfahren zur entfernung von unerwünschten farben aus salzsäure
DE69300901T2 (de) Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan.
DE69314644T2 (de) Verfahren zur isomerisierung von 1,1,2-trichlortrifluorethan
DE69426837T2 (de) Verfahren zur reinigung von 1,1,1,3,3-pentafluoro-2,3-dichloropropan
DE69314480D1 (de) Verfahren zur herstellung von 1,1,1,2,2,4,4,5,5,5,-decafluorpentan
DE69905772D1 (de) Verfahren zur rückgewinnung von 3,4-epoxy-1-buten
DE69724659D1 (de) Verfahren zur hydroxylierung von 1,4-dichlorbenzol
DE59300976D1 (de) Verfahren zur Verminderung des Halogengehaltes von polyhalogenierten Aromaten.
DE69418723T2 (de) Verfahren zur herstellung von 1,1,2,3,3-pentafluorpropan
DE69205870D1 (de) Verfahren zur selektiven Reduktion von 4-Halogenatom in 2,4-Dihaloaniline.
DE59303866D1 (de) Verfahren zur herstellung von 5-alkoxy-2,4-dinitroalkylbenzolen
DE59702788D1 (de) Verfahren zur herstellung von 4,6-diamino-resorcin-dihydrochlorid
DE59601820D1 (de) Verfahren zur verbesserung der hexandiol-1,6-reinheit
DE69404641D1 (de) Verfahren zur herstellung von 3,4-dihalogeno-1,2-epoxybutanen ausgehend von 3,4-epoxy-1-buten
ATE237572T1 (de) Verfahren zur reiningung von 1,3,5- triisopropylbenzol

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