EP4433417A1 - Purification de peroxyde d'hydrogene sur membrane - Google Patents
Purification de peroxyde d'hydrogene sur membraneInfo
- Publication number
- EP4433417A1 EP4433417A1 EP22826129.3A EP22826129A EP4433417A1 EP 4433417 A1 EP4433417 A1 EP 4433417A1 EP 22826129 A EP22826129 A EP 22826129A EP 4433417 A1 EP4433417 A1 EP 4433417A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydrogen peroxide
- membrane
- purification
- polymer
- membranes
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- 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
Definitions
- the present invention relates to the field of the purification of hydrogen peroxide (H2O2) solutions and more particularly the field of the purification of hydrogen peroxide on a membrane, and more specifically the field of the purification of hydrogen peroxide. hydrogen on membrane by reverse osmosis.
- H2O2 hydrogen peroxide
- Reverse osmosis purification technology is for example described in document EP0930269 which deals with an industrial process for the production of high purity hydrogen peroxide by reverse osmosis using a membrane made of polyamides, polypiperazinamides, polyacrylonitriles , or polysulfones.
- Documents EP1520839 and US4879043 also mention the use of such membranes for the purification by reverse osmosis of hydrogen peroxide solutions.
- An object of the present invention is therefore the supply of polymer membranes allowing the preparation of hydrogen peroxide solutions of very high purity by purification by reverse osmosis, said membranes having an improved lifetime compared to membranes with polyamide base used today.
- polymer membranes In addition to the need to have polymer membranes resistant to degradation by oxidation, inherent in hydrogen peroxide, the polymer membranes must also have a high rejection rate, in order to ensure optimal purification.
- Another objective of the present invention is therefore to provide polymeric membranes for purification by reverse osmosis of hydrogen peroxide, having improved stability over time, and high rejection rates.
- Another objective of the present invention consists in providing polymer membranes having both an improved lifespan and a high rejection rate for use in the preparation of hydrogen peroxide solutions of high purity, usable in particular in the fields of cosmetics, pharmacy, the food industry and the electronics industry, in particular for the preparation of semiconductors and printed circuits.
- the present invention relates to the use, for the purification of a hydrogen peroxide solution, of a reverse osmosis filtration membrane, said membrane comprising at least one active layer of a polymer of the polyethersulfone (PES) type.
- PES polyethersulfone
- polymer membranes based on PES have a substantially longer lifespan than those observed with polymer membranes based on polyamide, while offering a rejection rate that is particularly suitable for the production industrial production of very high purity hydrogen peroxide solutions, and in particular of electronic grade hydrogen peroxide solutions.
- hydrogen peroxide solution designates an aqueous solution of hydrogen peroxide.
- concentration of hydrogen peroxide in water can vary in large proportions and is generally between 1% and 98%, preferably between 5% and 75%, for example between 10% and 70%, better still between 20 % and 70%, advantageously between 30% and 70% by weight of hydrogen peroxide, relative to the total weight of the solution.
- Polyethersulphone (PES) type polymers are polymers well known to those skilled in the art and which contain ether groups and sulphone groups.
- the polyethersulfones which have shown the best results in the use according to the present invention are the PES containing aromatic groups, commonly identified under the generic term polyarylethersulfones (PAES).
- PAES polyarylethersulfones
- the aromatic groups present in PAES are typically phenyl groups. These can be substituted, for example by one or more sulphonate, amino, halogen (and more particularly fluorine), alkyl, alkenyl and other groups.
- the polymer of PES type for use according to the present invention is a polyaryl ether sulphone comprising at least one sulphonate group.
- Such polymers of the PES type which are particularly suitable for the purposes of the present invention are polyarylethersulfones comprising at least one sulphonate group, as described for example in patent application US20200362107 A1.
- membranes for reverse osmosis comprising at least one active layer vis-à-vis the filtration of a polymer of the PES type, as defined above, confer very good stability on the membranes over time, and especially when they are used for the purification of concentrated solutions, typically greater than 20% by weight and more specifically greater than 30% by weight, of hydrogen peroxide, while ensuring a high rejection rate , to ensure their purification, up to high quality grades, up to electronic grade.
- the active layer of polyethersulfone (PES) gives the reverse osmosis membrane a salt rejection rate greater than 90%, preferably greater than 95%, preferably even greater than 97%, better still greater than 98%, advantageously greater than 99%.
- the rejection rate is measured on an aqueous solution at 2000 mg per liter of sodium chloride, at 25°C, under a pressure of 15.5 bar (1.55 MPa), at pH 7, for 20 minutes, with rate conversion rate of 15%, where the conversion rate is equal to the ratio of permeate rate/feed rate.
- Composite membranes and in particular so-called TFC (Thin Film Composite) membranes form a very particularly preferred subset of PES-based polymer membranes.
- the membranes used in the context of the use according to the present invention comprise at least one active layer vis-à-vis the filtration of a polymer of the polyethersulfone (PES) type, preferably of the polyarylethersulfone type. (PAES), and most particularly of the polyarylethersulfone (PAES) type carrying a sulfonate group.
- PES polyethersulfone
- PAES polyarylethersulfone
- homogeneous membranes are preferred.
- Another group of preferred membranes comprises composite membranes, for example of the TFC type, comprising at least one active layer with respect to the filtration of a polymer of the polyethersulfone (PES) type, in association with one or more other layers polymers, for example polyamide, polypiperazinamide, polyacrylonitrile, polysulfone, polyester (typically cellulose acetate), and the like known to those skilled in the art.
- PES polyethersulfone
- polymers for example polyamide, polypiperazinamide, polyacrylonitrile, polysulfone, polyester (typically cellulose acetate), and the like known to those skilled in the art.
- TFC membranes that can be used in the present invention include membranes comprising two polyester and polysulfone support layers.
- Membranes that are very particularly well suited to use according to the present invention are membranes whose active layer is a polymer of the polyethersulfone type, as indicated above, said active layer being combined with one or two polymer support layers chosen from polyester and polysulfone.
- Such membranes have the advantages set out above of being more stable over time than the membranes currently used for the purification of hydrogen peroxide solutions, and in particular for the purification of concentrated solutions of hydrogen peroxide.
- a membrane comprising at least one polymer of the polyethersulfone type as active layer makes it possible to obtain a good degree of purification of the hydrogen peroxide solutions, while maintaining a good rate of rejection.
- the use according to the present invention makes it possible to achieve high qualities of purity of hydrogen peroxide, going in particular up to the electronic grade.
- the type of reverse osmosis membrane comprising at least one active layer of the polyethersulfone type, for example membrane BW (Brackish Water) or SW (Sea Water).
- membranes comprising at least one active layer of polymer of the PES type resist much better than membranes with an active polyamide layer to oxidizing attacks from hydrogen peroxide solutions. This results in a very significant increase in the lifetime of said PES-based membranes.
- the present invention relates to an industrial process for the preparation of hydrogen peroxide solution of high purity, and in particular of very high purity, and very particularly of hydrogen peroxide solutions of grade electronics, that is to say whose very low level of impurities they contain make them compatible with the purity criteria required for use in the electronics industry.
- the solutions purified using the method of the invention are aqueous solutions of hydrogen peroxide generally containing between 1% and 98%, preferably between 5% and 75%, for example between 10% and 70%, better again between 20% and 70%, and more generally between 30% and 70% by weight of hydrogen peroxide, relative to the total weight of solution.
- the high purity hydrogen peroxide solutions are obtained from hydrogen peroxide, or even stabilized hydrogen peroxide, as commercially available.
- Commercial hydrogen peroxide is subjected to well-known purification processes intended to eliminate impurities which are not acceptable for so-called high-purity grades for use in particular in the fields of cosmetics, pharmaceuticals, food industry and especially electronics.
- the process of the invention is also suitable for the purification of concentrated hydrogen peroxide solution, for example solutions resulting directly from the process for preparing said hydrogen peroxide.
- Suitable purification methods well known to those skilled in the art comprise at least one step of purification by reverse osmosis.
- the purification process comprises at least one stage of purification by reverse osmosis on a membrane comprising at least one layer of polymer of the polyethersulfone type, as discussed previously.
- the method of the invention may comprise one or more other purification steps chosen from distillation, treatment with ion exchange resin, treatment with adsorption resin, liquid-liquid extraction , treatment by electrodeionization (EDI), ultra-filtration, micro-filtration, nano-filtration, and other purification techniques well known to those skilled in the art.
- EDI electrodeionization
- the method thus comprises at least one reverse osmosis treatment with membrane comprising at least one active layer of the PES type as defined above, one treatment with ion exchange resin and optionally one treatment with EDI .
- the process of the present invention is an industrial process for the purification and more particularly for the production of hydrogen peroxide solutions of high purity, or even of very high purity, ranging from technical grade to electronic grade.
- said method comprising at least the steps of: a) supplying a raw solution of hydrogen peroxide to be purified, b) treating said raw solution in a reverse osmosis membrane purification unit, said membrane comprising at least one active layer of polymer of the polyethersulfone type, c) recovery of a permeate of purified hydrogen peroxide solution.
- step a by “crude solution of hydrogen peroxide to be purified” in step a), more specifically means a solution of hydrogen peroxide whose degree of purity is desired to be increased.
- the hydrogen peroxide solutions to be purified can be of any type, whether commercial solutions whose degree of purity is to be increased, at variable concentrations, as has been defined above, but also hydrogen peroxide solutions. hydrogen from the synthesis process.
- Step b) of purification by reverse osmosis can itself be carried out one or more times, in series or in parallel, with or without direct recycling of the concentrated permeate. It is thus possible to carry out one, two or more stages of purification on a membrane by reverse osmosis, for example by recovery of the permeate and a new stage of purification on said membrane.
- the process can thus comprise from 1 to 5, preferably from 1 to 4, more preferably 1, 2 or 3, advantageously 1 or 2 stages of purification on a membrane.
- the method of the present invention may also further comprise one or more additional purification steps, according to other techniques well known to those skilled in the art and which may, for example, and non-limitingly, be selected from distillation, ion exchange resin treatment, adsorption resin treatment, liquid-liquid extraction, electrodeionization treatment (EDI), ultra-filtration, micro-filtration, nano-filtration, and others , as indicated previously.
- additional purification steps according to other techniques well known to those skilled in the art and which may, for example, and non-limitingly, be selected from distillation, ion exchange resin treatment, adsorption resin treatment, liquid-liquid extraction, electrodeionization treatment (EDI), ultra-filtration, micro-filtration, nano-filtration, and others , as indicated previously.
- EDI electrodeionization treatment
- ultra-filtration micro-filtration
- micro-filtration micro-filtration
- nano-filtration nano-filtration
- the latter comprises at least one step of purification by reverse osmosis using a membrane as previously defined, with an active polymer layer of the polyethersulfone type, and at least one step of purification by passing through an ion exchange resin.
- the purification process of the invention comprises at least one step of purification by reverse osmosis using a membrane as previously defined, with an active polymer layer of the polyethersulfone type, at least one step of purification by passage over ion exchange resin, and at least one purification step using the EDI technique.
- the purification step by ion exchange resin generally makes it possible to achieve even higher degrees of purity. If desired, this treatment on ion exchange resin can be carried out in one or more times, in series or in parallel.
- the ion exchange resins which can be used are well known to those skilled in the art and can for example be chosen from those of the so-called strong cation type, and for example and in a non-limiting manner from among AmberliteTM resins. 200C and AmberjetTM 1500H from Rohm & Haas.
- the purification process of the present invention may also comprise one or more nanofiltration and/or microfiltration and/or ultrafiltration steps, well known to those skilled in the art.
- Microfiltration and/or nanofiltration and/or ultrafiltration can make it possible to eliminate any particles that may be present in the hydrogen peroxide solutions.
- These additional purification operations by ultra- and / or nano- and / or micro-filtration are themselves well known to those skilled in the art and can be operated in one or more times, in series or in parallel, before and / or after the reverse osmosis membrane purification step(s) described above.
- the method of the invention implementing at least one purification step using a membrane comprising at least one polymeric active layer of polyethersulfone type, as defined above, is particularly effective. for obtaining hydrogen peroxide solutions of very high purity, and in particular for the purification of concentrated solutions, of the order of 60% to 70% by weight.
- the method of the invention is particularly suitable for industrial production of electronic grade hydrogen peroxide. Said method is also particularly easy to implement and profitable due to the high resistance of reverse osmosis membranes, unlike the membranes commonly used in this application.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2112122A FR3129148B1 (fr) | 2021-11-17 | 2021-11-17 | Purification de peroxyde d’hydrogène sur membrane |
| PCT/FR2022/000114 WO2023089251A1 (fr) | 2021-11-17 | 2022-11-16 | Purification de peroxyde d'hydrogene sur membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4433417A1 true EP4433417A1 (fr) | 2024-09-25 |
Family
ID=79170888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22826129.3A Pending EP4433417A1 (fr) | 2021-11-17 | 2022-11-16 | Purification de peroxyde d'hydrogene sur membrane |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240416284A1 (fr) |
| EP (1) | EP4433417A1 (fr) |
| FR (1) | FR3129148B1 (fr) |
| WO (1) | WO2023089251A1 (fr) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879043A (en) | 1988-07-20 | 1989-11-07 | E. I. Du Pont De Nemours And Company | Manufacture of high purity hydrogen peroxide by using reverse osmosis osmosis |
| JP3849724B2 (ja) * | 1996-02-14 | 2006-11-22 | 三菱瓦斯化学株式会社 | 高純度過酸化水素水の製造方法 |
| FR2754529B1 (fr) * | 1996-10-15 | 1998-11-06 | Chemoxal Sa | Procede de purification de peroxyde d'hydrogene |
| DE69904090T2 (de) | 1998-01-16 | 2003-09-04 | Ausimont S.P.A., Mailand/Milano | Verfahren zur industriellen Herstellung von hochreinem Wasserstoffperoxid |
| EP1520839A1 (fr) | 2003-10-02 | 2005-04-06 | SOLVAY (Société Anonyme) | Procédé de purification de solutions péroxygènes aqueuses, solutions ainsi obtenues, ainsi que leur utilisation |
| JP5461939B2 (ja) * | 2009-09-28 | 2014-04-02 | 三徳化学工業株式会社 | 精製過酸化水素水の製造方法 |
| JP5704979B2 (ja) * | 2011-03-10 | 2015-04-22 | 三徳化学工業株式会社 | 精製過酸化水素水の製造方法 |
| WO2019157377A1 (fr) | 2018-02-09 | 2019-08-15 | Board Of Regents, The University Of Texas System | Membranes de poly(arylène éther) sulfoné présentant un rejet de sel monovalent élevé même en présence de charges de sel mélangées contenant des sels multivalents |
| JP7187839B2 (ja) * | 2018-06-29 | 2022-12-13 | 三菱瓦斯化学株式会社 | 過酸化水素の製造方法 |
-
2021
- 2021-11-17 FR FR2112122A patent/FR3129148B1/fr active Active
-
2022
- 2022-11-16 US US18/708,676 patent/US20240416284A1/en active Pending
- 2022-11-16 EP EP22826129.3A patent/EP4433417A1/fr active Pending
- 2022-11-16 WO PCT/FR2022/000114 patent/WO2023089251A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023089251A1 (fr) | 2023-05-25 |
| FR3129148B1 (fr) | 2025-11-21 |
| FR3129148A1 (fr) | 2023-05-19 |
| US20240416284A1 (en) | 2024-12-19 |
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Owner name: ARKEMA FRANCE |