ES2024457B3 - Procedimiento para la recuperacion de contenidos de amoniaco y de fluoruro desde soluciones de fluoruro amonico. - Google Patents
Procedimiento para la recuperacion de contenidos de amoniaco y de fluoruro desde soluciones de fluoruro amonico.Info
- Publication number
- ES2024457B3 ES2024457B3 ES87109111T ES87109111T ES2024457B3 ES 2024457 B3 ES2024457 B3 ES 2024457B3 ES 87109111 T ES87109111 T ES 87109111T ES 87109111 T ES87109111 T ES 87109111T ES 2024457 B3 ES2024457 B3 ES 2024457B3
- Authority
- ES
- Spain
- Prior art keywords
- fluoride
- ammonia
- recovery
- procedure
- contents
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/026—Preparation of ammonia from inorganic compounds
-
- 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
- C01B7/19—Fluorine; Hydrogen fluoride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/02—Fluorides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Materials Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Extraction Or Liquid Replacement (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/887,587 US4713231A (en) | 1986-07-21 | 1986-07-21 | Process for the recovery of ammonia and fluoride values from ammonium fluoride solutions |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2024457B3 true ES2024457B3 (es) | 1992-03-01 |
Family
ID=25391455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES87109111T Expired - Lifetime ES2024457B3 (es) | 1986-07-21 | 1987-06-24 | Procedimiento para la recuperacion de contenidos de amoniaco y de fluoruro desde soluciones de fluoruro amonico. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4713231A (es) |
EP (1) | EP0254063B1 (es) |
JP (1) | JP2516637B2 (es) |
KR (1) | KR900006903B1 (es) |
CN (1) | CN1012567B (es) |
AU (1) | AU587706B2 (es) |
BR (1) | BR8703760A (es) |
CA (1) | CA1288212C (es) |
DE (1) | DE3772656D1 (es) |
ES (1) | ES2024457B3 (es) |
HU (1) | HU201497B (es) |
IL (1) | IL83191A (es) |
SU (1) | SU1727530A3 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4994252A (en) * | 1990-02-09 | 1991-02-19 | Dowelanco | Removal of potassium chloride from solvents |
US4976946A (en) * | 1990-02-09 | 1990-12-11 | The Dow Chemical Company | Separation of potassium salts |
JPH0533169A (ja) * | 1991-07-26 | 1993-02-09 | Toomen Constr Kk | フツ素及びアンモニア化合物を含むエツチング廃液の処理・回収方法 |
EP0547284B1 (de) * | 1991-12-16 | 1995-10-04 | NEUMANN + STALLHERM GmbH | Verfahren zur Gewinnung von Flussspat (CaF2) und Ammoniak bzw. Ammoniakwasser aus einer wässrigen Ammoniumfluoridlösung als Abfallstoff der Brennelement-Herstellung |
CA2199723A1 (en) * | 1994-09-15 | 1996-03-21 | Alliedsignal Inc. | Process for treating an aqueous kf waste stream and for converting kf into hf and koh |
US7033562B2 (en) * | 2002-10-16 | 2006-04-25 | Kion Corporation | Ammonia recovery in the preparation of silazanes and polysilazanes |
US7229601B2 (en) * | 2004-02-06 | 2007-06-12 | Seh-America, Inc. | Ammonia reclamation system |
KR20090015076A (ko) | 2006-04-27 | 2009-02-11 | 스미또모 가가꾸 가부시키가이샤 | 불화칼륨 분산액 및 그것을 이용하는 불소 함유 유기 화합물의 제조 방법 |
JP5250997B2 (ja) * | 2006-04-27 | 2013-07-31 | 住友化学株式会社 | フッ化カリウム分散液およびそれを用いる含フッ素有機化合物の製造方法 |
CN101376509B (zh) * | 2007-08-31 | 2010-11-17 | 多氟多化工股份有限公司 | 一种制备氟化钾的方法 |
KR102190985B1 (ko) * | 2020-06-04 | 2020-12-14 | 최윤진 | 유기산을 이용하여 암모늄계 불소화합물 함유 폐액으로부터 고순도 대입경 불화칼슘 입자의 회수방법 |
CN115477315B (zh) * | 2022-10-27 | 2024-01-30 | 无锡中天固废处置有限公司 | 一种利用缓冲氧化物刻蚀废液制备氟化钾的方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1581819A (en) * | 1925-05-09 | 1926-04-20 | Siegel Wilhelm | Process of manufacturing sodium fluoride from silicofluorine compounds |
US1928510A (en) * | 1930-11-14 | 1933-09-26 | Koppers Co Inc | Production of pure ammonia |
GB529852A (en) * | 1939-06-03 | 1940-11-29 | Bataafsche Petroleum | A process for the removal of water by distillation or rectification |
US2285093A (en) * | 1939-10-28 | 1942-06-02 | Vaman R Kokatnur | Mixture of materials and method of making |
US2339160A (en) * | 1940-08-02 | 1944-01-11 | Shell Dev | Distillation process |
US2527320A (en) * | 1944-10-14 | 1950-10-24 | Robert C Mcharness | Dehydration of alkali-metal acid fluorides |
US2781244A (en) * | 1952-09-18 | 1957-02-12 | Allied Chem & Dye Corp | Controlled recovery of ammonia from liquors containing fixed ammonia values |
US3359076A (en) * | 1964-01-31 | 1967-12-19 | Dow Chemical Co | Precipitation of potassium halides from mixed brines using organic solvents |
GB1306517A (en) * | 1970-06-08 | 1973-02-14 | Ici Ltd | Manufacture of halogenated pyridine derivatives |
GB1306596A (en) * | 1970-07-21 | 1973-02-14 | Ici Ltd | Manufacture of hydroxy-halogenopyridines or salts thereof |
GB1340421A (en) * | 1971-01-14 | 1973-12-12 | Ici Ltd | Manufacture of chlorofluoropyridines |
FI47081C (fi) * | 1971-12-13 | 1973-09-10 | Kemira Oy | Menetelmä lannoiteteollisuudessa sivutuotteena saadun fluorin jalostam iseksi. |
US3920419A (en) * | 1974-04-10 | 1975-11-18 | Republic Steel Corp | Method of removing ammonia from ammonia containing liquor |
US4542221A (en) * | 1981-05-18 | 1985-09-17 | The Dow Chemical Company | Exchanging fluorine for chlorine in a chlorinated pyridine with an alkali metal fluoride |
-
1986
- 1986-07-21 US US06/887,587 patent/US4713231A/en not_active Expired - Lifetime
-
1987
- 1987-06-24 DE DE8787109111T patent/DE3772656D1/de not_active Expired - Fee Related
- 1987-06-24 ES ES87109111T patent/ES2024457B3/es not_active Expired - Lifetime
- 1987-06-24 EP EP87109111A patent/EP0254063B1/en not_active Expired - Lifetime
- 1987-07-02 AU AU75027/87A patent/AU587706B2/en not_active Ceased
- 1987-07-06 CA CA000541329A patent/CA1288212C/en not_active Expired - Fee Related
- 1987-07-14 IL IL83191A patent/IL83191A/xx not_active IP Right Cessation
- 1987-07-18 CN CN87104895A patent/CN1012567B/zh not_active Expired
- 1987-07-20 KR KR1019870007810A patent/KR900006903B1/ko not_active IP Right Cessation
- 1987-07-20 BR BR8703760A patent/BR8703760A/pt not_active IP Right Cessation
- 1987-07-20 SU SU874202932A patent/SU1727530A3/ru active
- 1987-07-20 HU HU873340A patent/HU201497B/hu not_active IP Right Cessation
- 1987-07-21 JP JP62182090A patent/JP2516637B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU587706B2 (en) | 1989-08-24 |
HUT45947A (en) | 1988-09-28 |
IL83191A0 (en) | 1987-12-31 |
CN87104895A (zh) | 1988-02-03 |
CA1288212C (en) | 1991-09-03 |
AU7502787A (en) | 1988-01-28 |
HU201497B (en) | 1990-11-28 |
EP0254063A3 (en) | 1988-04-20 |
KR900006903B1 (ko) | 1990-09-24 |
EP0254063B1 (en) | 1991-09-04 |
KR880001527A (ko) | 1988-04-23 |
JP2516637B2 (ja) | 1996-07-24 |
DE3772656D1 (de) | 1991-10-10 |
JPS6335415A (ja) | 1988-02-16 |
CN1012567B (zh) | 1991-05-08 |
SU1727530A3 (ru) | 1992-04-15 |
US4713231A (en) | 1987-12-15 |
EP0254063A2 (en) | 1988-01-27 |
IL83191A (en) | 1990-11-05 |
BR8703760A (pt) | 1988-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3750308D1 (de) | Faserverstärktes Bauteil. | |
DE3587725D1 (de) | Zahnpflegemittel, Vorrichtung und Verfahren zur Lagerung und Verabreichung desselben. | |
ZA872021B (en) | 2-azolylmethyl-2-aryl-1,3-dioxolanes and the salts thereof,processes for the preparation thereof,agents containing same,and the use thereof | |
ZA872055B (en) | 2-azolylmethyl-2-aryl-1,3-dioxolanes and the salts thereof,processes for the preparation thereof,agents containing same,and the use thereof | |
ES2024457B3 (es) | Procedimiento para la recuperacion de contenidos de amoniaco y de fluoruro desde soluciones de fluoruro amonico. | |
DE3682157D1 (de) | Verschlossener behaelter. | |
EP0243066A3 (en) | Element and method for the determination of creatinine or creatine | |
NO163097C (no) | Fremgangsmaate ved fremstilling av urea. | |
DE3788494D1 (de) | Harnstoffe. | |
BR8200741A (pt) | Composto,emprego e processo de preparacao de compostos | |
AT383102B (de) | Schleuse fuer den transport von schuettguetern | |
FI852617A0 (fi) | Kvaternaera ammoniumsalter av karboximetylcellulosa. | |
FI874809A0 (fi) | Foerfarande foer framstaellning av urea. | |
BR8707806A (pt) | Processo de esvaziar recipientes de gas,e dispositivo para o mesmo | |
ZA872022B (en) | 2-azolylmethyl-2-aryl-1,3-dioxolanes and the salts thereof,processes for the preparation thereof,agents containing same,and the use thereof | |
DE3668457D1 (de) | N-heterocyclosulfonyl-n'-pyrimidinyl-, n'-triazolyl- und n'-triazinyl-harnstoffe. | |
NO874558D0 (no) | Fremgangsmaate ved konsentrering av en ureaopploesning, samt anordning for utfoerelse av fremgangsmaaten. | |
BR8702314A (pt) | Processo para producao de ureia ciclica | |
FI875362A0 (fi) | Foerfarande foer framstaellning av n,n'-disubstituerade karbamider. | |
DK165245C (da) | 5-phenyl-5h-indenooe1,2-daapyrimidiner, fremgangsmaade til fremstilling af disse samt anvendelse af forbindelserne | |
DE3675155D1 (de) | Sulfoalkylierungsverfahren. | |
FI870931A (fi) | Foerfarande foer framstaellning av koncentrerade ammoniumnitratloesningar. | |
BR8600426A (pt) | Processo para a preparacao de 1-amino-2-bromo-4-hidroxiantraquinona,1-amino-2-bromo-hidroxiantraquinona e aplicacao | |
BR8704322A (pt) | Processo para a preparacao de compostos,utilizacao e compostos obtidos | |
FR2660688B2 (fr) | Serrure pour coffres et applications analogues. |