KR20040013085A - 무염 히드록실아민 수용액의 제조 방법 - Google Patents
무염 히드록실아민 수용액의 제조 방법 Download PDFInfo
- Publication number
- KR20040013085A KR20040013085A KR10-2004-7000007A KR20047000007A KR20040013085A KR 20040013085 A KR20040013085 A KR 20040013085A KR 20047000007 A KR20047000007 A KR 20047000007A KR 20040013085 A KR20040013085 A KR 20040013085A
- Authority
- KR
- South Korea
- Prior art keywords
- column
- tray
- trays
- hydroxylamine
- salt
- Prior art date
Links
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012856 packing Methods 0.000 claims abstract description 34
- 239000007864 aqueous solution Substances 0.000 claims abstract description 25
- 239000000243 solution Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 8
- 150000001450 anions Chemical class 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims description 2
- 238000004821 distillation Methods 0.000 description 21
- 239000002585 base Substances 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000012535 impurity Substances 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical class CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- NIUAGEVCVWHMTA-UHFFFAOYSA-N 5-(4-iodophenyl)-1-(4-methylsulfonylphenyl)-3-(trifluoromethyl)pyrazole Chemical group C1=CC(S(=O)(=O)C)=CC=C1N1C(C=2C=CC(I)=CC=2)=CC(C(F)(F)F)=N1 NIUAGEVCVWHMTA-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical class Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical class COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 150000002443 hydroxylamines Chemical class 0.000 description 1
- VGYYSIDKAKXZEE-UHFFFAOYSA-L hydroxylammonium sulfate Chemical compound O[NH3+].O[NH3+].[O-]S([O-])(=O)=O VGYYSIDKAKXZEE-UHFFFAOYSA-L 0.000 description 1
- 229910000378 hydroxylammonium sulfate Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- -1 monoamines Chemical compound 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- UUCCCPNEFXQJEL-UHFFFAOYSA-L strontium dihydroxide Chemical compound [OH-].[OH-].[Sr+2] UUCCCPNEFXQJEL-UHFFFAOYSA-L 0.000 description 1
- 229910001866 strontium hydroxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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
- C01B21/14—Hydroxylamine; Salts thereof
-
- 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
- C01B21/14—Hydroxylamine; Salts thereof
- C01B21/1409—Preparation
- C01B21/1445—Preparation of hydoxylamine from its salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/30—Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/30—Details relating to random packing elements
- B01J2219/302—Basic shape of the elements
- B01J2219/30215—Toroid or ring
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/30—Details relating to random packing elements
- B01J2219/304—Composition or microstructure of the elements
- B01J2219/30466—Plastics
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/322—Basic shape of the elements
- B01J2219/32203—Sheets
- B01J2219/3221—Corrugated sheets
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/324—Composition or microstructure of the elements
- B01J2219/32483—Plastics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/20—Power plant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/72—Packing elements
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (8)
- 히드록실암모늄 염 및 염기의 수용액을 1개 이상의 물리적 트레이를 보유하는 트레이 컬럼에서 증류시켜 무염(salt-free) 히드록실아민 수용액을 제조하는 방법으로서, 랜덤한 팩킹(random packing) 또는 구조화된 팩킹(structured packing)은 상기 컬럼의 횡단면에 걸쳐 트레이 컬럼중 1개 이상의 트레이상에 배치되어 있는 것인 방법.
- 제1항에 있어서, 상기 트레이 컬럼은 10∼80개의 실제 트레이(actual tray)를 보유하는 것인 방법.
- 제1항 또는 제2항에 있어서, 상기 사용된 팩킹 부재는 통상의 랜덤한 팩킹, 고성능 랜덤 팩킹 또는 구조화된 팩킹을 포함하는 것인 방법.
- 제1항 내지 제3항중 어느 하나의 항에 있어서, 상기 트레이 컬럼내 온도는 80∼130℃의 범위인 것인 방법.
- 제1항 내지 제4항중 어느 하나의 항에 있어서, 저부 생성물(bottom product)은 히드록실암모늄 염의 음이온 및 염기의 양이온의 염을 포함하는 수용액인 것인 방법.
- 제1항 내지 제5항중 어느 하나의 항에 있어서, 상기 트레이 컬럼은 측면 분수 컬럼(side offtake column)인 것인 방법.
- 제6항에 있어서, 상기 무염 히드록실아민 수용액은 측면 분수부에서 얻어지는 것인 방법.
- 제6항 또는 제7항에 있어서, 상기 물은 컬럼 상부 생성물(column top product)로서 얻어지는 것인 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10131787A DE10131787A1 (de) | 2001-07-04 | 2001-07-04 | Verfahren zur Herstellung einer salzfreien, wässrigen Hydroxylaminlösung |
DE10131787.5 | 2001-07-04 | ||
PCT/EP2002/007285 WO2003004409A1 (de) | 2001-07-04 | 2002-07-02 | Verfahren zur herstellung einer salzfreien, wässrigen hydroxylaminlösung |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040013085A true KR20040013085A (ko) | 2004-02-11 |
KR100887258B1 KR100887258B1 (ko) | 2009-03-06 |
Family
ID=7690174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047000007A KR100887258B1 (ko) | 2001-07-04 | 2002-07-02 | 무염 히드록실아민 수용액의 제조 방법 |
Country Status (15)
Country | Link |
---|---|
US (1) | US6942762B2 (ko) |
EP (1) | EP1406832B1 (ko) |
JP (1) | JP4220380B2 (ko) |
KR (1) | KR100887258B1 (ko) |
CN (1) | CN1257836C (ko) |
AT (1) | ATE335709T1 (ko) |
BR (1) | BR0210492B1 (ko) |
CA (1) | CA2450107C (ko) |
CY (1) | CY1106185T1 (ko) |
DE (2) | DE10131787A1 (ko) |
DK (1) | DK1406832T3 (ko) |
ES (1) | ES2268058T3 (ko) |
MX (1) | MXPA03011366A (ko) |
PT (1) | PT1406832E (ko) |
WO (1) | WO2003004409A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006056742A (ja) * | 2004-08-19 | 2006-03-02 | Hosoya Fireworks Co Ltd | 硝酸ヒドロキシルアミン水溶液の製造方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1954775A1 (de) | 1968-10-30 | 1970-05-06 | Giller William Leslie | Elektrische Lampe und diese verwendendes Beleuchtungssystem |
US3721850A (en) * | 1969-07-02 | 1973-03-20 | W Giller | Electric lamps |
HU186652B (en) * | 1982-12-23 | 1985-09-30 | Laszlo Gyoekhegyi | Plate for columns serving for distillation and/or absorption operations |
AR243396A1 (es) * | 1985-01-18 | 1993-08-31 | Glitsch | Mejoras en columnas de fraccionamiento para la separacion de dos o mas componentes liquidos que tienen diferentes volatilidades relativas. |
US5277847A (en) * | 1989-03-08 | 1994-01-11 | Glitsch, Inc. | Method and apparatus for catalyst-downcomer-tray operation |
JP2847265B2 (ja) * | 1990-08-01 | 1999-01-13 | ダイセル化学工業株式会社 | 高純度1−アミノ−2,3−プロパンジオ−ルおよびその製造方法 |
US5266290A (en) * | 1992-07-10 | 1993-11-30 | Thiokol Corporation | Process for making high purity hydroxylammonium nitrate |
HRP960601B1 (en) * | 1995-12-20 | 2001-12-31 | Basf Ag | Process for separating medium boiling substances from a mixture of low, medium and high boiling substances |
US5837107A (en) * | 1995-12-20 | 1998-11-17 | Basf Aktiengesellschaft | Process for production of aqueous solutions of free hydroxylamine |
US6059934A (en) * | 1997-04-07 | 2000-05-09 | Mobil Oil Corporation | Co-current contacting separation tray design and methods for using same |
DE19725851A1 (de) | 1997-06-18 | 1998-12-24 | Basf Ag | Verfahren zur Herstellung hochreiner, wässriger Hydroxylaminlösungen |
JP2001500062A (ja) * | 1997-07-04 | 2001-01-09 | キユーニ アクチエンゲゼルシヤフト | 物質交換カラムのための組込み物 |
DE19733681A1 (de) * | 1997-08-04 | 1999-02-11 | Basf Ag | Verfahren zur Herstellung einer wäßrigen Lösung von freiem Hydroxylamin |
US6235162B1 (en) | 1998-05-28 | 2001-05-22 | Sachem, Inc. | Ultrapure hydroxylamine compound solutions and process of making same |
DE19936380A1 (de) * | 1999-08-03 | 2001-02-08 | Basf Ag | Geordnete Packung zum Wärme- und Stoffaustausch |
-
2001
- 2001-07-04 DE DE10131787A patent/DE10131787A1/de not_active Withdrawn
-
2002
- 2002-07-02 BR BRPI0210492-0A patent/BR0210492B1/pt not_active IP Right Cessation
- 2002-07-02 DK DK02745423T patent/DK1406832T3/da active
- 2002-07-02 CN CNB028135318A patent/CN1257836C/zh not_active Expired - Lifetime
- 2002-07-02 US US10/482,214 patent/US6942762B2/en not_active Expired - Lifetime
- 2002-07-02 PT PT02745423T patent/PT1406832E/pt unknown
- 2002-07-02 EP EP02745423A patent/EP1406832B1/de not_active Expired - Lifetime
- 2002-07-02 WO PCT/EP2002/007285 patent/WO2003004409A1/de active IP Right Grant
- 2002-07-02 KR KR1020047000007A patent/KR100887258B1/ko active IP Right Grant
- 2002-07-02 ES ES02745423T patent/ES2268058T3/es not_active Expired - Lifetime
- 2002-07-02 JP JP2003510388A patent/JP4220380B2/ja not_active Expired - Lifetime
- 2002-07-02 CA CA002450107A patent/CA2450107C/en not_active Expired - Fee Related
- 2002-07-02 DE DE50207808T patent/DE50207808D1/de not_active Expired - Lifetime
- 2002-07-02 MX MXPA03011366A patent/MXPA03011366A/es active IP Right Grant
- 2002-07-02 AT AT02745423T patent/ATE335709T1/de active
-
2006
- 2006-10-04 CY CY20061101424T patent/CY1106185T1/el unknown
Also Published As
Publication number | Publication date |
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DK1406832T3 (da) | 2006-12-11 |
BR0210492A (pt) | 2004-06-22 |
CN1257836C (zh) | 2006-05-31 |
CN1524060A (zh) | 2004-08-25 |
BR0210492B1 (pt) | 2010-08-10 |
CA2450107A1 (en) | 2003-01-16 |
PT1406832E (pt) | 2006-10-31 |
ATE335709T1 (de) | 2006-09-15 |
DE10131787A1 (de) | 2003-01-16 |
JP4220380B2 (ja) | 2009-02-04 |
CY1106185T1 (el) | 2011-06-08 |
EP1406832B1 (de) | 2006-08-09 |
US6942762B2 (en) | 2005-09-13 |
WO2003004409A1 (de) | 2003-01-16 |
MXPA03011366A (es) | 2004-07-01 |
EP1406832A1 (de) | 2004-04-14 |
ES2268058T3 (es) | 2007-03-16 |
DE50207808D1 (de) | 2006-09-21 |
CA2450107C (en) | 2009-09-22 |
US20040156774A1 (en) | 2004-08-12 |
KR100887258B1 (ko) | 2009-03-06 |
JP2004533394A (ja) | 2004-11-04 |
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