NL7207403A - - Google Patents
Info
- Publication number
- NL7207403A NL7207403A NL7207403A NL7207403A NL7207403A NL 7207403 A NL7207403 A NL 7207403A NL 7207403 A NL7207403 A NL 7207403A NL 7207403 A NL7207403 A NL 7207403A NL 7207403 A NL7207403 A NL 7207403A
- Authority
- NL
- Netherlands
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)
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15383971A | 1971-06-16 | 1971-06-16 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7207403A true NL7207403A (en:Method) | 1972-12-19 |
| NL176547B NL176547B (nl) | 1984-12-03 |
| NL176547C NL176547C (nl) | 1985-05-01 |
Family
ID=22548959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7207403,A NL176547C (nl) | 1971-06-16 | 1972-06-01 | Werkwijze voor het verwijderen van een kleine hoeveelheid hf uit een mengsel met hcl. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4128626A (en:Method) |
| JP (1) | JPS556562B2 (en:Method) |
| CA (1) | CA991822A (en:Method) |
| DE (1) | DE2229571C3 (en:Method) |
| FR (1) | FR2141698B1 (en:Method) |
| GB (1) | GB1379793A (en:Method) |
| IT (1) | IT957897B (en:Method) |
| NL (1) | NL176547C (en:Method) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL185328C (nl) * | 1975-03-21 | 1990-03-16 | Pennwalt Corp | Werkwijze voor het verwijderen van waterstoffluoride uit een waterstoffluoride bevattend gasmengsel met behulp van een aardalkalimetaalfluoride. |
| US4009214A (en) * | 1975-04-25 | 1977-02-22 | The Lummus Company | Separation of hydrogen fluoride from hydrogen chloride gas |
| JPS5440294A (en) * | 1977-09-07 | 1979-03-29 | Central Glass Co Ltd | Purifying method for hydrogen chloride |
| US4317805A (en) * | 1979-01-25 | 1982-03-02 | Hooker Chemicals & Plastics Corp. | Removal of hydrogen fluoride from gaseous mixtures of hydrogen fluoride and hydrogen chloride |
| US4629610A (en) * | 1985-05-10 | 1986-12-16 | Dow Chemical Co. | Hydrogen fluoride recovery process |
| DE3543531A1 (de) * | 1985-12-10 | 1987-10-15 | Saxonlord Ltd | Verfahren zur reinigung von abfall-, rauch- und verbrennungsgasen |
| US4714604A (en) * | 1986-08-13 | 1987-12-22 | The Dow Chemical Company | Method of separating HF and SiF4 from HCl |
| US4902312A (en) * | 1989-01-30 | 1990-02-20 | Allied-Signal Inc. | Carbon molecular sieves for purification of chlorofluorocarbons |
| EP0425922B1 (de) * | 1989-10-28 | 1995-06-21 | Noell-KRC Umwelttechnik GmbH | Verfahren zur Reinigung und Aufkonzentrierung von verdünnter verunreinigter Salzsäure |
| DE4226381C2 (de) * | 1992-08-10 | 1995-05-24 | Balcke Duerr Ag | Verfahren zur Gewinnung von reiner, konzentrierter Salzsäure aus Abwasser |
| US5827492A (en) * | 1993-01-28 | 1998-10-27 | E. I. Du Pont De Nemours And Company | Hydrogen chloride purification process |
| DE102007018016A1 (de) * | 2007-04-17 | 2008-10-30 | Bayer Materialscience Ag | Absorptionsprozess zur Entfernung anorganischer Komponenten aus einem Chlorwasserstoff enthaltenden Gasstrom |
| CN104136248B (zh) * | 2012-02-29 | 2017-11-14 | 阿克马法国公司 | 用于机动车辆的空气净化系统 |
| CN103896213A (zh) * | 2012-12-28 | 2014-07-02 | 上海梅思泰克生态科技有限公司 | 一种采用无水氯化钙提纯氯化氢的方法 |
| US20140227152A1 (en) * | 2013-02-08 | 2014-08-14 | Basf Se | Removal of metal compounds of metalloid compounds from the gas phase by complexation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2321282A (en) * | 1940-12-10 | 1943-06-08 | Bay Chemical Company Inc | Dry hydrogen chloride |
| GB822494A (en) * | 1955-07-27 | 1959-10-28 | Electro Chimie Metal | Separation of hydrofluoric and hydrochloric acid gases |
| AT212290B (de) * | 1956-09-12 | 1960-12-12 | Wheelabrator Corp | Verfahren und Vorrichtung zur Entfernung gasförmiger Halogenide, insbesondere Fluoriden, aus gasförmigen Systemen |
| BE560740A (en:Method) * | 1956-09-12 | 1958-03-11 | ||
| US3140916A (en) * | 1961-04-10 | 1964-07-14 | Pennsalt Chemicals Corp | Hydrogen chloride recovery and purification from gases containing hydrogen fluoride |
| GB1143088A (en) * | 1965-10-07 | 1969-02-19 | Imp Smelting Corp Ltd | Alkali metal fluoride pellets |
| GB1090521A (en) * | 1965-11-04 | 1967-11-08 | Ici Ltd | Purification of hydrogen chloride |
-
1972
- 1972-05-11 CA CA141,925A patent/CA991822A/en not_active Expired
- 1972-05-16 JP JP4780172A patent/JPS556562B2/ja not_active Expired
- 1972-05-16 IT IT50284/72A patent/IT957897B/it active
- 1972-05-29 FR FR7219141A patent/FR2141698B1/fr not_active Expired
- 1972-05-31 GB GB2552072A patent/GB1379793A/en not_active Expired
- 1972-06-01 NL NLAANVRAGE7207403,A patent/NL176547C/xx not_active IP Right Cessation
- 1972-06-16 DE DE2229571A patent/DE2229571C3/de not_active Expired
-
1973
- 1973-04-26 US US05/354,715 patent/US4128626A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2141698B1 (en:Method) | 1977-12-23 |
| IT957897B (it) | 1973-10-20 |
| JPS4848397A (en:Method) | 1973-07-09 |
| FR2141698A1 (en:Method) | 1973-01-26 |
| DE2229571C3 (de) | 1982-07-08 |
| GB1379793A (en) | 1975-01-08 |
| US4128626A (en) | 1978-12-05 |
| CA991822A (en) | 1976-06-29 |
| NL176547C (nl) | 1985-05-01 |
| JPS556562B2 (en:Method) | 1980-02-18 |
| NL176547B (nl) | 1984-12-03 |
| DE2229571B2 (de) | 1980-11-13 |
| DE2229571A1 (de) | 1972-12-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| V1 | Lapsed because of non-payment of the annual fee |