ATE28850T1 - Verfahren zur reinigung waessriger loesungen von hydrazinhydrat. - Google Patents

Verfahren zur reinigung waessriger loesungen von hydrazinhydrat.

Info

Publication number
ATE28850T1
ATE28850T1 AT85400169T AT85400169T ATE28850T1 AT E28850 T1 ATE28850 T1 AT E28850T1 AT 85400169 T AT85400169 T AT 85400169T AT 85400169 T AT85400169 T AT 85400169T AT E28850 T1 ATE28850 T1 AT E28850T1
Authority
AT
Austria
Prior art keywords
hydrazine hydrate
purification
aqueous solutions
treating
smaller
Prior art date
Application number
AT85400169T
Other languages
English (en)
Inventor
Michel Alicot
Jacky Pierre
Original Assignee
Atochem
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 Atochem filed Critical Atochem
Application granted granted Critical
Publication of ATE28850T1 publication Critical patent/ATE28850T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/16—Hydrazine; Salts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
AT85400169T 1984-02-14 1985-02-01 Verfahren zur reinigung waessriger loesungen von hydrazinhydrat. ATE28850T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8402194A FR2559472B1 (fr) 1984-02-14 1984-02-14 Procede de purification de solutions aqueuses d'hydrate d'hydrazine
EP85400169A EP0153216B1 (de) 1984-02-14 1985-02-01 Verfahren zur Reinigung wässriger Lösungen von Hydrazinhydrat

Publications (1)

Publication Number Publication Date
ATE28850T1 true ATE28850T1 (de) 1987-08-15

Family

ID=9301010

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85400169T ATE28850T1 (de) 1984-02-14 1985-02-01 Verfahren zur reinigung waessriger loesungen von hydrazinhydrat.

Country Status (13)

Country Link
US (1) US4657751A (de)
EP (1) EP0153216B1 (de)
JP (1) JPS60239308A (de)
KR (1) KR930010993B1 (de)
AT (1) ATE28850T1 (de)
BR (1) BR8500657A (de)
CA (1) CA1273473A (de)
DE (1) DE3560447D1 (de)
ES (1) ES8606194A1 (de)
FR (1) FR2559472B1 (de)
IE (1) IE55962B1 (de)
MX (1) MX155979A (de)
ZA (1) ZA851050B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4329599C1 (de) * 1993-09-02 1995-03-16 Bayer Ag Verfahren zur Entfernung von Verunreinigungen aus Hydrazinhydrat
FR2778660B1 (fr) * 1998-05-14 2000-06-23 Atochem Elf Sa Procede de preparation d'hydrate d'hydrazine
FR2778659B1 (fr) * 1998-05-14 2000-06-23 Atochem Elf Sa Procede de preparation d'hydrate d'hydrazine
FR2782717B1 (fr) * 1998-08-26 2000-09-29 Atochem Elf Sa Procede de fabrication d'hydrate d'hydrazine a partir d'azine de la methyl ethyl cetone
JP2009035467A (ja) * 2007-08-06 2009-02-19 Mitsubishi Gas Chem Co Inc 金属微粉末製造に用いる水加ヒドラジンの製造方法
CN109455683A (zh) * 2018-11-23 2019-03-12 宜宾海丰和锐有限公司 一种纯化水合肼制备电子级水合肼的方法
FR3096049B1 (fr) * 2019-05-16 2021-12-17 Arkema France Procede ameliore de preparation d'hydrate d'hydrazine avec recyclage pyrazoline

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537791A (en) * 1946-08-17 1951-01-09 Edwal Lab Inc Method for production of hydrazine and/or hydrazine hydrate
US2620926A (en) * 1949-12-22 1952-12-09 Atlas Powder Co Method for treating liquids with activated carbon
DE1066559B (de) * 1957-08-01 1959-10-08 Farbenfabriken Bayer Aktiengesellschaft, Leverkusen-Bayerwerk Herstellung von Hydrazinhydrat
NL274425A (de) * 1961-02-08
GB1017663A (en) * 1961-12-20 1966-01-19 Stephen Robert Mercer Ellis Concentration of hydrazine
GB1060065A (en) * 1963-08-20 1967-02-22 Whiffen & Sons Ltd Improvements in or relating to hydrazine hydrate
US3436344A (en) * 1963-11-27 1969-04-01 American Potash & Chem Corp Process for removing impurities from a fluid stream
GB1122034A (en) * 1964-12-22 1968-07-31 Fisons Ind Chemicals Ltd Process for the preparation of azines
GB1133762A (en) * 1965-04-20 1968-11-20 Fisons Ind Chemicals Ltd Process for the preparation of azines and/or isohydrazones and their use in the production of hydrazine
GB1146291A (en) * 1965-12-07 1969-03-26 Fisons Ind Chemicals Ltd Hydrazine process
US3454361A (en) * 1966-02-09 1969-07-08 Pennsalt Chemicals Corp Process for manufacture of hydrazine and alkyl substituted hydrazines
US3458283A (en) * 1966-05-26 1969-07-29 Abcor Inc Hydrazine purification
US3520806A (en) * 1967-05-26 1970-07-21 Dow Chemical Co Separation of liquid organic materials from substrates
US3625886A (en) * 1969-02-13 1971-12-07 Day & Zimmermann Inc Process for recovering organic material from aqueous streams
NL6908459A (de) * 1969-06-04 1970-12-08
US3598546A (en) * 1969-11-26 1971-08-10 Rocket Research Corp Of Americ Preparing anhydrous hydrazine using an activated aluminum oxide drying agent
US3652218A (en) * 1969-12-02 1972-03-28 Olin Corp Low impurity hydrazine
US3740436A (en) * 1969-12-02 1973-06-19 Olin Corp Low impurity hydrazine
US4040990A (en) * 1975-02-18 1977-08-09 Rohm And Haas Company Partially pyrolyzed macroporous polymer particles having multimodal pore distribution with macropores ranging from 50-100,000 angstroms
US3976756A (en) * 1975-10-28 1976-08-24 Olin Corporation Preparation of hydrazine and its compounds

Also Published As

Publication number Publication date
BR8500657A (pt) 1985-10-01
JPH0144641B2 (de) 1989-09-28
KR930010993B1 (ko) 1993-11-19
FR2559472A1 (fr) 1985-08-16
JPS60239308A (ja) 1985-11-28
CA1273473A (fr) 1990-09-04
DE3560447D1 (en) 1987-09-17
EP0153216B1 (de) 1987-08-12
FR2559472B1 (fr) 1986-06-13
IE850339L (en) 1985-08-14
KR850005984A (ko) 1985-09-28
ZA851050B (en) 1985-10-30
MX155979A (es) 1988-06-06
EP0153216A1 (de) 1985-08-28
ES8606194A1 (es) 1986-04-01
ES540369A0 (es) 1986-04-01
IE55962B1 (en) 1991-02-27
US4657751A (en) 1987-04-14

Similar Documents

Publication Publication Date Title
HUT39462A (en) Process for the purification of proteins
DE3460884D1 (en) Process for the biological purification of exhaust gases
HUT38538A (en) Process for stabilizing aqueous solutions of 5-chlorine-3-isothiazolone-derivatives
DE69027818T2 (de) Verfahren zur Reinigung von Aminomethylenphosphonsäuren
IT7950971A0 (it) Procedimento per la depurazione di acque di scarico contenenti ioni nitrito
ATE28850T1 (de) Verfahren zur reinigung waessriger loesungen von hydrazinhydrat.
IL74456A (en) Process for the recovery or purification of ceftazidime
DE3463367D1 (en) Process and apparatus for the biological purification of waste water
GB2063264B (en) Treatment of waste stream from adipic acid manufacture
ZA842138B (en) Process of treating an aqueous condensate
ATA298076A (de) Verfahren zur biologischen reinigung von kohlehydrat- oder proteinreichem abwasser
GB2078734B (en) Process for purifying an aqueous solution of acrylamide
DE3276363D1 (en) Process for the manufacture of calcium carbide
DE3662121D1 (en) Process for removing cations from aqueous solutions by the addition of crandallite
ZA837388B (en) Method of purifying uraniferous aqueous solutions
FR2545081B1 (fr) Procede de purification d'hydrate d'hexafluoroacetone
DE69207481D1 (de) Verfahren zur Stabilisierung von wässeriger Acrylamidlösung
GB2105318B (en) Treatment of aqueous waste material
DE3560529D1 (en) Process for the purification of mercaptobenzothiazole
ZA8349B (en) Method of reducing the calcium concentration of aqueous solutions
GB2085749B (en) Process for the treatment of aqueous media
DE3560577D1 (en) Process for obtaining aqueous solutions of carnitine or carnitine amide
ATE42087T1 (de) Verfahren zur herstellung von dichtem wasserfreiem natriumcarbonat und nach diesem verfahren hergestelltes dichtes wasserfreies natriumcarbonat.
ZA845571B (en) Process for the treatment of dust-laden waste gas
EP0148023A3 (en) Process for the purification of mercury

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee