IT1247960B - Procedimento di purificazione del perossido di idrogeno - Google Patents
Procedimento di purificazione del perossido di idrogenoInfo
- Publication number
- IT1247960B IT1247960B ITMI911505A ITMI911505A IT1247960B IT 1247960 B IT1247960 B IT 1247960B IT MI911505 A ITMI911505 A IT MI911505A IT MI911505 A ITMI911505 A IT MI911505A IT 1247960 B IT1247960 B IT 1247960B
- Authority
- IT
- Italy
- Prior art keywords
- solution
- hydrogen peroxide
- mass
- passed
- purification process
- Prior art date
Links
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000746 purification Methods 0.000 title abstract 2
- 239000011347 resin Substances 0.000 abstract 4
- 229920005989 resin Polymers 0.000 abstract 4
- 239000000243 solution Substances 0.000 abstract 4
- 125000000129 anionic group Chemical group 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 125000002091 cationic group Chemical group 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/013—Separation; Purification; Concentration
- C01B15/0135—Purification by solid ion-exchangers or solid chelating agents
-
- 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
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
- B01J39/05—Processes using organic exchangers in the strongly acidic form
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
L'invenzione si riferisce ad un procedimento di purificazione del perossido di idrogeno in soluzione acquosa, secondo il quale tale soluzione viene anzitutto fatta passare attraverso una massa di resina cationica forte in forma acida, quindi viene raffreddata ad una temperatura tra O°C e la temperatura di congelamento della soluzione e fatta passare attraverso una massa di una resina anionica media in forma basica, raffreddando la massa in modo che la temperatura della soluzione prima e dopo il passaggio sulla resina anionica rimanga costante, ed infine tale soluzione viene fatta passare su una resina di assorbimento ed eventualmente viene filtrata.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI911505A IT1247960B (it) | 1991-06-03 | 1991-06-03 | Procedimento di purificazione del perossido di idrogeno |
DE4214075A DE4214075A1 (de) | 1991-06-03 | 1992-04-29 | Verfahren zur reinigung von wasserstoffperoxid |
ES9201072A ES2037618B1 (es) | 1991-06-03 | 1992-05-25 | Metodo de purificacion de peroxido de hidrogeno. |
FR9206491A FR2677010B1 (fr) | 1991-06-03 | 1992-05-27 | Procede de purification de peroxyde d'hydrogene. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI911505A IT1247960B (it) | 1991-06-03 | 1991-06-03 | Procedimento di purificazione del perossido di idrogeno |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI911505A0 ITMI911505A0 (it) | 1991-06-03 |
ITMI911505A1 ITMI911505A1 (it) | 1992-12-03 |
IT1247960B true IT1247960B (it) | 1995-01-05 |
Family
ID=11360031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI911505A IT1247960B (it) | 1991-06-03 | 1991-06-03 | Procedimento di purificazione del perossido di idrogeno |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE4214075A1 (it) |
ES (1) | ES2037618B1 (it) |
FR (1) | FR2677010B1 (it) |
IT (1) | IT1247960B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG64480A1 (en) * | 1997-03-27 | 1999-04-27 | Mitsubishi Gas Chemical Co | Method for preparing high-purity aqueous hydrogen peroxide |
FR2784670B1 (fr) * | 1998-10-16 | 2001-01-19 | Air Liquide | Procede de purification aqueuse de peroxyde d'hydrogene contenant des impuretes |
DE19926725A1 (de) * | 1999-06-11 | 2000-12-14 | Basf Ag | Verfahren zur Umsetzung organischer Verbindungen mit Wasserstoffperoxid |
FR2803590B1 (fr) * | 2000-01-07 | 2002-06-14 | Air Liquide | Perfectionnement a la purification sur resines echangeuses d'ions de solutions aqueuses de peroxyde d'hydrogene |
DE10026363A1 (de) * | 2000-05-27 | 2001-11-29 | Merck Patent Gmbh | Verfahren zur Aufreinigung von Wasserstoffperoxidlösungen |
CN112723316A (zh) * | 2021-01-04 | 2021-04-30 | 联仕(昆山)化学材料有限公司 | 一种低温去除双氧水中toc的提纯方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2676923A (en) * | 1950-06-24 | 1954-04-27 | Du Pont | Purification of hydrogen peroxide |
BE503789A (it) * | 1955-02-10 | |||
GB819434A (en) * | 1956-09-19 | 1959-09-02 | Laporte Chemical | Improvements in or relating to hydrogen peroxide |
US3305314A (en) * | 1958-07-07 | 1967-02-21 | Pittsburgh Plate Glass Co | Purification process |
US3074782A (en) * | 1959-05-29 | 1963-01-22 | Shell Oil Co | Hydrogen peroxide purification |
FR1539843A (fr) * | 1967-08-01 | 1968-09-20 | Oxysynthese | Purification organique des solutions aqueuses de peroxyde d'hydrogène |
US4999179A (en) * | 1988-12-26 | 1991-03-12 | Mitsubishi Gas Chemical Company, Inc. | Method for purifying impure aqueous hydrogen peroxide solution |
-
1991
- 1991-06-03 IT ITMI911505A patent/IT1247960B/it active IP Right Grant
-
1992
- 1992-04-29 DE DE4214075A patent/DE4214075A1/de not_active Withdrawn
- 1992-05-25 ES ES9201072A patent/ES2037618B1/es not_active Expired - Fee Related
- 1992-05-27 FR FR9206491A patent/FR2677010B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ITMI911505A1 (it) | 1992-12-03 |
ITMI911505A0 (it) | 1991-06-03 |
FR2677010A1 (fr) | 1992-12-04 |
ES2037618B1 (es) | 1994-04-01 |
DE4214075A1 (de) | 1992-12-10 |
FR2677010B1 (fr) | 1994-01-07 |
ES2037618A1 (es) | 1993-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR970001336A (ko) | 고압, 비촉매성 방법에 의해 생성된 개선된 순도의 멜라민 | |
EP1437272A4 (en) | MONITORING SYSTEM, CENTRAL MONITORING DEVICE, VEHICLE MONITORING SYSTEM, MONITORING PROCEDURE, MONITORING PROGRAM, THIS CONTAINING COMPUTER READABLE RECORDING MEDIUM | |
CA2238565A1 (en) | Ozone generator and method of producing ozone | |
IT1247960B (it) | Procedimento di purificazione del perossido di idrogeno | |
TR200101341T2 (tr) | Saf melamin üretimine yönelik yöntem | |
PT96379A (pt) | Processo de preparacao de ciclopropil-n-hidroxi-ureias,-carboxamidas e n-acil-n-hidroxiaminas substituidas e de composicoes farmaceuticas | |
ITMI941969A0 (it) | Processo per la purificazione di 2,6-diisopropilfenolo | |
DE69816842D1 (de) | Reinigung von hydroxylamin | |
ITTO910820A1 (it) | Procedimento per la realizzazione di pneumatici. | |
HUP9701716A2 (hu) | Eljárás kevés kimosható szennyeződést tartalmazó kationcserélő gyanták előállítására | |
ATE425062T1 (de) | Schienenkontakt für einen achszähler | |
DK1116002T3 (da) | Enkeltkreds-kølesystem | |
KR910009627A (ko) | 글리옥살산 수용액을 공업적으로 연속 제조하는 신규의 방법 | |
DE69310769D1 (de) | Rücktgewinnung von erythorbaten aus photographischen lösungen | |
BRPI0113939B8 (pt) | método para a purificação de um ácido alfa-hidróxi em uma escala industrial. | |
IT1247961B (it) | Procedimento per purificazione del perossido di idrogeno da anioni | |
PT1070022E (pt) | Dispositivo para o tratamento de agua | |
TR22098A (tr) | Sodyum perborat tetrahidrattan sodyum perborat monohidratin imaline mahsus usuel | |
JPS55144879A (en) | Removal of stale smell unique to refined sake | |
ITMI922759A0 (it) | Processo per aumentare il potere sbiancante di un persale inorganico o del perossino di idrogeno | |
SU765610A1 (ru) | Способ очистки аргона | |
UA26315C2 (uk) | Спосіб очистки стічhих вод від амоhієвих іоhів та оргаhічhого вуглецю | |
IT1195667B (it) | Dispositivo atto all'ottenimento di una coppia motrice ausiliaria,applicabile preferibilmente su corone di trazione di bicicli o similari | |
ES2028056T3 (es) | Procedimiento para la purificacion de diamida de acido oxalico. | |
RU93004856A (ru) | Железнодорожное колесо, способ его улучшения, устройство для осуществления способа |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960627 |