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RU2000106063A - METHOD FOR PRODUCING AQUEOUS SOLUTION OF FREE HYDROXYLAMINE - Google Patents

METHOD FOR PRODUCING AQUEOUS SOLUTION OF FREE HYDROXYLAMINE

Info

Publication number
RU2000106063A
RU2000106063A RU2000106063/12A RU2000106063A RU2000106063A RU 2000106063 A RU2000106063 A RU 2000106063A RU 2000106063/12 A RU2000106063/12 A RU 2000106063/12A RU 2000106063 A RU2000106063 A RU 2000106063A RU 2000106063 A RU2000106063 A RU 2000106063A
Authority
RU
Russia
Prior art keywords
solution
column
hydroxylamine
water
distillation
Prior art date
Application number
RU2000106063/12A
Other languages
Russian (ru)
Other versions
RU2189350C2 (en
Inventor
ВАТЦЕНБЕРГЕР Отто
МАУЕР Петер
ШТРЕФЕР Экхард
ШЕЛЛИНГ Хайнер
ШНАЙДЕР Ханс-Михаель
Original Assignee
Басф Акциенгезельшафт
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
Priority claimed from DE19733681A external-priority patent/DE19733681A1/en
Application filed by Басф Акциенгезельшафт filed Critical Басф Акциенгезельшафт
Publication of RU2000106063A publication Critical patent/RU2000106063A/en
Application granted granted Critical
Publication of RU2189350C2 publication Critical patent/RU2189350C2/en

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Claims (11)

1. Способ получения водного раствора свободного гидроксиламина путем обработки раствора соли гидроксиламмония основанием и дистилляционного разделения полученного раствора на водный раствор гидроксиламина и солевую фракцию, отличающийся тем. что раствор соли гидроксиламмония обрабатывают в противотоке аммиаком или аммиачной водой в качестве основания и одновременно производят разделение путем обработки водой и/или водяным паром.1. The method of obtaining an aqueous solution of free hydroxylamine by treating a solution of hydroxylammonium salt with a base and distillation separation of the resulting solution into an aqueous solution of hydroxylamine and a salt fraction, characterized in that the solution of hydroxylammonium salt is treated in countercurrent with ammonia or ammonia water as a base, and at the same time separation is carried out by treatment with water and / or steam. 2. Способ по п. 1, отличающийся тем, что противоточную обработку и дистилляционное разделение производят с помощью отпарной колонны. 2. The method according to p. 1, characterized in that the countercurrent treatment and distillation separation is carried out using a stripping column. 3. Способ по п. 2, отличающийся тем, что полученный раствор обрабатывают путем введения воды и/или водяного пара и аммиака и/или аммиачной воды противотоком в куб колонны. 3. The method according to p. 2, characterized in that the resulting solution is treated by introducing water and / or water vapor and ammonia and / or ammonia water countercurrently into the cube of the column. 4. Способ по п. 2 или 3, отличающийся тем, что водный раствор гидроксиламина отбирают из верха отпарной колонны. 4. The method according to p. 2 or 3, characterized in that the aqueous hydroxylamine solution is taken from the top of the stripping column. 5. Способ по одному из пп. 2-4, отличающийся тем, что работают при давлении в отпарной колонне в пределах от 5 до 300 кПа, предпочтительно, от 10 до 110 кПа. 5. The method according to one of paragraphs. 2-4, characterized in that they operate at a pressure in the stripping column in the range from 5 to 300 kPa, preferably from 10 to 110 kPa. 6. Способ по одному из предшествующих пунктов, отличающийся тем, что полученный водный раствор гидроксиламина концентрируют в дистилляционной колонне. 6. The method according to one of the preceding paragraphs, characterized in that the resulting aqueous hydroxylamine solution is concentrated in a distillation column. 7. Способ по п. 6, отличающийся тем, что работают при давлении в дистилляционной колонне в пределах от 1 до 200 кПа, предпочтительно, от 10 до 110 кПа. 7. The method according to p. 6, characterized in that they operate at a pressure in the distillation column in the range from 1 to 200 kPa, preferably from 10 to 110 kPa. 8. Способ по п. 6 или 7, отличающийся тем, что воду, отбираемую из верха дистилляционной колонны, необязательно в газообразном виде, снова возвращают в куб отпарной колонны. 8. The method according to p. 6 or 7, characterized in that the water taken from the top of the distillation column, optionally in gaseous form, is again returned to the cube of the stripping column. 9. Способ по п. 6, отличающийся тем, что отгонку свободного гидроксиламина из солевого раствора и концентрирование раствора гидроксиламина производят в отпарной дистилляционной колонне. 9. The method according to p. 6, characterized in that the distillation of free hydroxylamine from the saline solution and the concentration of the hydroxylamine solution is carried out in a stripping distillation column. 10. Способ по п. 9, отличающийся тем, что отбор сконцентрированного раствора гидроксиламина производят на 1 - 3 тарелки выше места ввода солевого раствора, воду отбирают из верха колонны, а солевую фракцию - из куба колонны. 10. The method according to p. 9, characterized in that the selection of a concentrated solution of hydroxylamine is produced 1 to 3 plates above the injection site of the saline solution, water is taken from the top of the column, and the salt fraction from the bottom of the column. 11. Способ по одному из предшествующих пунктов, отличающийся тем, что во все растворы, содержащие свободный гидроксиламин, добавляют стабилизатор разложения. 11. The method according to one of the preceding paragraphs, characterized in that in all solutions containing free hydroxylamine, a decomposition stabilizer is added.
RU2000106063/12A 1997-08-04 1998-08-04 Method of free hydroxylamine aqueous solution preparing RU2189350C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19733681.7 1997-08-04
DE19733681A DE19733681A1 (en) 1997-08-04 1997-08-04 Process for the preparation of an aqueous solution of free hydroxylamine

Publications (2)

Publication Number Publication Date
RU2000106063A true RU2000106063A (en) 2002-01-10
RU2189350C2 RU2189350C2 (en) 2002-09-20

Family

ID=7837953

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000106063/12A RU2189350C2 (en) 1997-08-04 1998-08-04 Method of free hydroxylamine aqueous solution preparing

Country Status (19)

Country Link
US (1) US6299734B1 (en)
EP (1) EP1012114B1 (en)
JP (1) JP3421013B2 (en)
KR (1) KR100522063B1 (en)
CN (1) CN1131843C (en)
AT (1) ATE220386T1 (en)
AU (1) AU748827B2 (en)
BR (1) BR9811119A (en)
CA (1) CA2299475C (en)
DE (2) DE19733681A1 (en)
ES (1) ES2180194T3 (en)
IL (1) IL134094A (en)
MY (1) MY123175A (en)
NO (1) NO327773B1 (en)
RU (1) RU2189350C2 (en)
TR (1) TR200000299T2 (en)
TW (1) TW440540B (en)
UA (1) UA54540C2 (en)
WO (1) WO1999007637A1 (en)

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DE10004818A1 (en) * 2000-02-04 2001-08-09 Basf Ag Process for recycling stripper solutions containing hydroxylamine
JP3394980B2 (en) * 2000-03-13 2003-04-07 東レ・ファインケミカル株式会社 Method for producing free hydroxylamine aqueous solution
JP3394981B2 (en) * 2000-03-13 2003-04-07 東レ・ファインケミカル株式会社 Method for producing free hydroxylamine aqueous solution
JP4582602B2 (en) * 2000-03-24 2010-11-17 ビーエーエスエフ ソシエタス・ヨーロピア Hydroxylamine aqueous solution and process for producing the same
JP3503115B2 (en) * 2000-06-27 2004-03-02 東レ・ファインケミカル株式会社 Method for producing free hydroxylamine aqueous solution
DE10131788A1 (en) * 2001-07-04 2003-01-16 Basf Ag Process for the preparation of a salt-free, aqueous hydroxylamine solution
DE10131787A1 (en) * 2001-07-04 2003-01-16 Basf Ag Process for the preparation of a salt-free, aqueous hydroxylamine solution
DE10134389A1 (en) * 2001-07-04 2003-01-16 Basf Ag Process for the preparation of a salt-free, aqueous hydroxylamine solution
DE10314492B4 (en) * 2003-03-27 2008-10-16 Domo Caproleuna Gmbh Process for the preparation of an aqueous solution of hydroxylamine
FR2856400A1 (en) * 2003-06-18 2004-12-24 Jean Pierre Schirmann PROCESS FOR PRODUCING METHYL ETHYL KETONE OXIME AND HYDROXYLAMINE BASE
JP4578885B2 (en) * 2003-08-13 2010-11-10 昭和電工株式会社 Method for producing hydroxylamine
WO2005016817A2 (en) * 2003-08-13 2005-02-24 Showa Denko K. K. Process for producing hydroxylamine
TW200508176A (en) * 2003-08-13 2005-03-01 Showa Denko Kk Process for producing hydroxylamine
FR2860223B1 (en) * 2003-09-26 2005-12-16 Jean Pierre Schirmann PROCESS FOR PRODUCING AQUEOUS HYDROXYLAMINE BASE SOLUTIONS
US7396519B2 (en) * 2004-01-26 2008-07-08 San Fu Chemical Company, Ltd. Preparation of a high purity and high concentration hydroxylamine free base
RU2253612C1 (en) * 2004-01-27 2005-06-10 Закрытое Акционерное Общество "Альянс-Гамма" Method of production of hydroxylamine
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RU2256606C1 (en) * 2004-08-04 2005-07-20 Закрытое акционерное общество "Койоми Интернэшнл" Method for preparing hydroxylamine aqueous solution
JP2006056742A (en) * 2004-08-19 2006-03-02 Hosoya Fireworks Co Ltd Method for producing aqueous solution of hydroxylamine nitrate
CN103539742B (en) * 2013-10-15 2015-08-05 河北工业大学 A kind of preparation method of ionic liquid type hydroxylamine salt
RU2561372C1 (en) * 2014-04-24 2015-08-27 Федеральное государственное унитарное предприятие "Российский научный центр "Прикладная химия" Method of producing concentrated hydroxylamine nitrate solutions
WO2017204935A1 (en) 2016-05-26 2017-11-30 Exxonmobil Chemical Patents Inc. Production of cyclic imides suitable for oxidation catalysis
US11014883B2 (en) 2016-05-26 2021-05-25 Exxonmobil Chemical Patents Inc. Production of cyclic imides suitable for oxidation catalysis
US10584096B2 (en) 2016-10-18 2020-03-10 Exxonmobil Chemical Patents Inc. Cyclic imide slurry compositions
RU2656663C1 (en) * 2017-08-01 2018-06-06 Федеральное государственное унитарное предприятие "Российский научный центр "Прикладная химия" Method for the disposal of hydroxylamine nitrate in waste water
CN107539966B (en) * 2017-09-29 2019-02-01 江苏艾科维科技有限公司 The preparation method of hydroxyl sulfate
KR102782581B1 (en) 2020-10-05 2025-03-14 주식회사 엘지화학 Stripping device and stripping method

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