RU96104255A - METHOD FOR REMOVING UNWANTED COLORING SUBSTANCES FROM CHLORIC-HYDROGENIC ACID - Google Patents
METHOD FOR REMOVING UNWANTED COLORING SUBSTANCES FROM CHLORIC-HYDROGENIC ACIDInfo
- Publication number
- RU96104255A RU96104255A RU96104255/25A RU96104255A RU96104255A RU 96104255 A RU96104255 A RU 96104255A RU 96104255/25 A RU96104255/25 A RU 96104255/25A RU 96104255 A RU96104255 A RU 96104255A RU 96104255 A RU96104255 A RU 96104255A
- Authority
- RU
- Russia
- Prior art keywords
- chloric
- acid
- reducing agent
- coloring substances
- removing unwanted
- Prior art date
Links
- 239000002253 acid Substances 0.000 title claims 3
- 238000004040 coloring Methods 0.000 title claims 3
- 239000000126 substance Substances 0.000 title claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 4
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims 4
- 239000003638 reducing agent Substances 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims 1
- 238000005342 ion exchange Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO942074 | 1994-06-03 | ||
NO19942074A NO179243B1 (en) | 1994-06-03 | 1994-06-03 | Process for removing unwanted color from hydrochloric acid, and using hydroxylamine hydrochloride to remove unwanted color from hydrochloric acid |
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 |
---|---|
RU2107020C1 RU2107020C1 (en) | 1998-03-20 |
RU96104255A true RU96104255A (en) | 1998-05-27 |
Family
ID=19897144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU96104255A RU2107020C1 (en) | 1994-06-03 | 1995-05-31 | Method of removing undesired coloring substances from hydrochloric acid |
Country Status (12)
Country | Link |
---|---|
US (1) | US6290927B1 (en) |
EP (1) | EP0725759B1 (en) |
JP (1) | JPH08509455A (en) |
CN (1) | CN1040865C (en) |
AT (1) | ATE184860T1 (en) |
AU (1) | AU2684395A (en) |
DE (1) | DE69512378T2 (en) |
ES (1) | ES2138215T3 (en) |
NO (1) | NO179243B1 (en) |
PL (1) | PL179886B1 (en) |
RU (1) | RU2107020C1 (en) |
WO (1) | WO1995033680A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10101394A1 (en) * | 2001-01-15 | 2002-07-18 | Bayer Ag | Re-utilization of Halex reaction salt mixture by-product involves treating with sulfuric acid and then calcium fluoride to give a calcium sulfate binder useful in building materials |
JP2007022956A (en) * | 2005-07-15 | 2007-02-01 | Mitsubishi Gas Chem Co Inc | Method for producing high purity aminomethylene phosphonic acid |
US20160130143A1 (en) | 2013-06-17 | 2016-05-12 | Reliance Industries Limited | A Process For The Removal Of Metal Contaminants From Fluids |
CN108383083A (en) * | 2018-03-16 | 2018-08-10 | 三峡大学 | A kind of support type hydrochloric acid decolorising agent and preparation method thereof and decoloration process |
CN108435137A (en) * | 2018-03-16 | 2018-08-24 | 三峡大学 | The support type reagent and preparation method of a kind of decoloration of hydrochloric acid and the removing of hydrochloric acid metal ion |
Family Cites Families (10)
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 (en) * | 1978-08-21 | 1981-11-05 | Chemische Werke Hüls AG, 4370 Marl | Process for the separation of hydrogen chloride and hydrogen bromide |
US4349525A (en) * | 1981-04-21 | 1982-09-14 | Chisso Corporation | Process for purifying hydrochloric acid produced from alkali chloride and sulfuric acid |
JPS6136102A (en) * | 1984-07-27 | 1986-02-20 | Asahi Glass Co Ltd | Method of removing hydrogen fluoride contained in hydrogen chloride |
JPH02233503A (en) * | 1989-03-06 | 1990-09-17 | Daiso Co Ltd | Purification of hydrochloric acid |
DE4110177C2 (en) * | 1991-03-27 | 1995-01-05 | Qvf Glastech Gmbh | Process for the production of hydrochloric acid purified from foreign halogen |
DE4344200C2 (en) * | 1993-12-23 | 1995-11-30 | Schering Ag | Process for the extraction of hydrochloric acid from bromine and iodine containing flue gases |
-
1994
- 1994-06-03 NO NO19942074A patent/NO179243B1/en not_active IP Right Cessation
-
1995
- 1995-05-31 ES ES95922008T patent/ES2138215T3/en not_active Expired - Lifetime
- 1995-05-31 AU AU26843/95A patent/AU2684395A/en not_active Abandoned
- 1995-05-31 PL PL95312777A patent/PL179886B1/en not_active IP Right Cessation
- 1995-05-31 AT AT95922008T patent/ATE184860T1/en not_active IP Right Cessation
- 1995-05-31 JP JP8500697A patent/JPH08509455A/en active Pending
- 1995-05-31 US US08/586,874 patent/US6290927B1/en not_active Expired - Fee Related
- 1995-05-31 RU RU96104255A patent/RU2107020C1/en not_active IP Right Cessation
- 1995-05-31 EP EP95922008A patent/EP0725759B1/en not_active Expired - Lifetime
- 1995-05-31 WO PCT/NO1995/000085 patent/WO1995033680A1/en active IP Right Grant
- 1995-05-31 CN CN95190500A patent/CN1040865C/en not_active Expired - Fee Related
- 1995-05-31 DE DE69512378T patent/DE69512378T2/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU92016256A (en) | METHOD FOR CLEANING MATERIALS CONTAINING RADIOACTIVE POLLUTION | |
DE59200035D1 (en) | Process for the degradation of waste water containing aromatic nitro compounds. | |
DE69705485T2 (en) | Electrolytic treatment method for water containing nitrogen compounds | |
DE58904015D1 (en) | METHOD AND MEANS FOR DISinfecting WATER. | |
RU96104255A (en) | METHOD FOR REMOVING UNWANTED COLORING SUBSTANCES FROM CHLORIC-HYDROGENIC ACID | |
DE69303973D1 (en) | Cyclic carbonate compound, process for its preparation and positive working photoresist composition containing it | |
AT381921B (en) | METHOD FOR CLEANING WHITE WATER, CONTAINING CHLORINATED PHENOL COMPOUNDS | |
CA2031229A1 (en) | Fluoride removal from sulphuric acid | |
PL248661A2 (en) | Method of removing impurities in the form of organic chlorine compounds from hydrogen chloride | |
DK156881B (en) | PROCEDURE FOR REGENERATING ION EXCHANGE RESIN | |
CA2038816A1 (en) | Method and composition for water treatment | |
DE69404725D1 (en) | Process for the electrolytic treatment of used batteries | |
JPS5226759A (en) | Method of treating waste water containing borofluoride | |
DE69402979D1 (en) | METHOD FOR SEPARATING CHLORINE FROM A GAS MIXTURE | |
RU96103480A (en) | WATER CLEANING METHOD | |
NO179243C (en) | Process for removing unwanted color from hydrochloric acid, as well as using hydroxylamine hydrochloride to remove unwanted color from hydrochloric acid | |
JPS5363762A (en) | Process for simultaneously removing nitrogen and phosphor in waste water | |
JPS57159589A (en) | Purification of waste water | |
JPS5556887A (en) | Treatment method of ammonium compounds-containing solution | |
JPS55113614A (en) | Purifying method for aqueous alkali chloride solution for electrolysis | |
JPS5433277A (en) | Removing method for chlorine dioxide and ozone | |
GB2219579A (en) | Improvements in/or relating to chlorination of water | |
JPS5253817A (en) | Method of removing inorganic cyano compounds | |
JPS5349859A (en) | Method of treating waste liquid containing fluorine | |
TH11199EX (en) | Mixing method for detoxification of ammonia and chloramine in the aquatic environment. |