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KR880001527A - 암모니아 및 불화 물의 회수방법 - Google Patents

암모니아 및 불화 물의 회수방법 Download PDF

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Publication number
KR880001527A
KR880001527A KR1019870007810A KR870007810A KR880001527A KR 880001527 A KR880001527 A KR 880001527A KR 1019870007810 A KR1019870007810 A KR 1019870007810A KR 870007810 A KR870007810 A KR 870007810A KR 880001527 A KR880001527 A KR 880001527A
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KR
South Korea
Prior art keywords
fluoride
ammonia
solution
solvent
concentrate
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KR1019870007810A
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KR900006903B1 (ko
Inventor
디. 켐프벨 켄트
비. 크램프턴 리
제이. 다이어츠쉐 로러
디. 호브다 케이쓰
케임. 타이슨 죠오지
에이. 윌슨 챨스
Original Assignee
리챠드 지. 워터맨
더 다우 케미칼 캄파니
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Publication of KR880001527A publication Critical patent/KR880001527A/ko
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Publication of KR900006903B1 publication Critical patent/KR900006903B1/ko
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Pyridine Compounds (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

내용 없음

Description

암모니아 및 불화 물의 회수방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. (a)불화 암모늄 용액을 수산화 칼륨과 혼합시켜 불화 암모니아 및 칼륨을 포함하는 수용액을 생성시키고, (b)생성된 용액을 가열하여 암모니아를 제거한 다음 제거된 암모니아를 수집하고, (c) 수집된 암모니아-제거 용액으로부터 물을 전부 제거하여 불화 칼륨의 농도를 적어도 20%로 하고, (d)상기 농축액을 수용성, 양극성, 중성 용매와 혼합하고, (e) 물을 증류제거한 다음 용매중의 불화칼륨 슬러리 상으로 불화물을 회수함을 포함하는, 불화 암모늄-함유 수용액으로부터 암모니아 및 불화물의 회수방법.
  2. 제1항에 있어서, 용매가 디메틸포름아미드, 치환에서 출발물질로서 사용되는 방법. 디메틸아세트아미드, N-메틸피롤리돈, 디메틸설폭사이드 또는 설폴란인 방법.
  3. 제1항에 있어서, 불화암모늄 용액중에 존재하는 불화 이온 각 1몰에 대하여 약 1몰의 수산화칼륨을 첨가하는 방법.
  4. 제1항에 있어서, 단계(c)에서 암모니아-제거용액을 증류시켜 방법.
  5. 제1항에 있어서, 단계(d)에서 용매를 교반시키면서 농축액에 혼합하는 방법.
  6. 제1항에 있어서, 단계(d)에서 농축액을 용매상에 분무시켜 농축액을 혼합하는 방법.
  7. 제1항에 있어서, 불화암모늄 수용액이 암모니아와 유기불소화합물의 반응 부산물인 방법.
  8. 제1항에 있어서, 양극성, 중성용매중의 불화칼륨 슬러리가 나중에 유기염소 화합물중의 염화물의 불화물로의
  9. 제8항에 있어서, 유기 염소 화합물이 펜타클로로피리딘인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870007810A 1986-07-21 1987-07-20 불화 암모늄용액으로부터 암모니아 및 불화물을 회수하는 방법 Expired KR900006903B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US887587 1986-07-21
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 (2)

Publication Number Publication Date
KR880001527A true KR880001527A (ko) 1988-04-23
KR900006903B1 KR900006903B1 (ko) 1990-09-24

Family

ID=25391455

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870007810A Expired KR900006903B1 (ko) 1986-07-21 1987-07-20 불화 암모늄용액으로부터 암모니아 및 불화물을 회수하는 방법

Country Status (13)

Country Link
US (1) US4713231A (ko)
EP (1) EP0254063B1 (ko)
JP (1) JP2516637B2 (ko)
KR (1) KR900006903B1 (ko)
CN (1) CN1012567B (ko)
AU (1) AU587706B2 (ko)
BR (1) BR8703760A (ko)
CA (1) CA1288212C (ko)
DE (1) DE3772656D1 (ko)
ES (1) ES2024457B3 (ko)
HU (1) HU201497B (ko)
IL (1) IL83191A (ko)
SU (1) SU1727530A3 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102190985B1 (ko) * 2020-06-04 2020-12-14 최윤진 유기산을 이용하여 암모늄계 불소화합물 함유 폐액으로부터 고순도 대입경 불화칼슘 입자의 회수방법

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4976946A (en) * 1990-02-09 1990-12-11 The Dow Chemical Company Separation of potassium salts
US4994252A (en) * 1990-02-09 1991-02-19 Dowelanco Removal of potassium chloride from solvents
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
MX9701265A (es) * 1994-09-15 1997-05-31 Allied Signal Inc Procedimiento para tratar una corriente acuosa de desechos de fluoruro de potasio y para convertir este fluoruro de potasio en fluoruro de hidrogeno e hidroxido de potasio.
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
EP2471741A1 (en) * 2006-04-27 2012-07-04 Sumitomo Chemical Company, Limited Potassium Fluoride
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
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102190985B1 (ko) * 2020-06-04 2020-12-14 최윤진 유기산을 이용하여 암모늄계 불소화합물 함유 폐액으로부터 고순도 대입경 불화칼슘 입자의 회수방법

Also Published As

Publication number Publication date
SU1727530A3 (ru) 1992-04-15
HUT45947A (en) 1988-09-28
IL83191A (en) 1990-11-05
IL83191A0 (en) 1987-12-31
AU587706B2 (en) 1989-08-24
HU201497B (en) 1990-11-28
CN1012567B (zh) 1991-05-08
US4713231A (en) 1987-12-15
AU7502787A (en) 1988-01-28
DE3772656D1 (de) 1991-10-10
BR8703760A (pt) 1988-03-29
KR900006903B1 (ko) 1990-09-24
JPS6335415A (ja) 1988-02-16
EP0254063B1 (en) 1991-09-04
CN87104895A (zh) 1988-02-03
EP0254063A2 (en) 1988-01-27
CA1288212C (en) 1991-09-03
JP2516637B2 (ja) 1996-07-24
EP0254063A3 (en) 1988-04-20
ES2024457B3 (es) 1992-03-01

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