CN116693703A - Method for removing metal ions from hydroxyethyl cellulose - Google Patents
Method for removing metal ions from hydroxyethyl cellulose Download PDFInfo
- Publication number
- CN116693703A CN116693703A CN202310847535.1A CN202310847535A CN116693703A CN 116693703 A CN116693703 A CN 116693703A CN 202310847535 A CN202310847535 A CN 202310847535A CN 116693703 A CN116693703 A CN 116693703A
- Authority
- CN
- China
- Prior art keywords
- hydroxyethyl cellulose
- metal ions
- removing metal
- exchange resin
- cellulose according
- 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
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 title claims abstract description 46
- 239000004354 Hydroxyethyl cellulose Substances 0.000 title claims abstract description 46
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 title claims abstract description 46
- 229910021645 metal ion Inorganic materials 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 17
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004090 dissolution Methods 0.000 claims abstract description 6
- 239000008367 deionised water Substances 0.000 claims abstract description 3
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000003456 ion exchange resin Substances 0.000 claims description 6
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 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 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229920001429 chelating resin Polymers 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000011133 lead Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 238000012797 qualification Methods 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 238000000967 suction filtration Methods 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 6
- 239000007864 aqueous solution Substances 0.000 abstract description 2
- 238000005342 ion exchange Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a method for removing metal ions from hydroxyethyl cellulose, which comprises the steps of adding deionized water into hydroxyethyl cellulose for dissolution, removing metal ions after the solution is subjected to the action of cation exchange resin, distilling and drying effluent liquid, and crushing to obtain hydroxyethyl cellulose or directly using the hydroxyethyl cellulose for other purposes. The invention adopts ion exchange to remove metal ions in the hydroxyethyl cellulose, so that the concentration of each metal ion in the hydroxyethyl cellulose or the aqueous solution thereof can be reduced to 0-5 ppm.
Description
Technical Field
The invention relates to a method for removing metal ions from hydroxyethyl cellulose, belonging to the technical field of electronic chemistry.
Background
Along with the development of science and technology, especially the rapid development of industries such as electronics, semiconductors, chemistry and the like, the requirements on various raw materials are higher and higher, and the hydroxyethyl cellulose is used as an important basic raw material in the industries such as electronics, semiconductors, chemistry and the like, and the application of the hydroxyethyl cellulose is limited due to the high content of metal ions.
Hydroxyethyl cellulose is insoluble in most organic solvents due to its own characteristics, and the viscosity of aqueous solutions increases rapidly with increasing concentration or molecular weight, so that the removal of metal ions is difficult.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a method for removing metal ions from hydroxyethyl cellulose, which improves the quality of the hydroxyethyl cellulose so as to meet the use requirements of industries such as electronics, semiconductors, chemistry and the like on the hydroxyethyl cellulose.
The method for removing metal ions from hydroxyethyl cellulose comprises the following steps:
(1) adding hydroxyethyl cellulose into a solvent system, and stirring for dissolution;
(2) and (3) passing the solution through cation exchange resin until the metal ion content reaches the qualification, and collecting effluent.
Further, in the step (1) of the above technical scheme, the dissolution temperature is 0 to 80 ℃.
Further, in the step (1) of the above technical scheme, the stirring dissolution time is 10 to 50 hours.
Further, in the step (1) of the technical scheme, the mass fraction of the hydroxyethyl cellulose is 0.1-5%.
Further, in the step (1) of the above technical scheme, the solvent is deionized water or a mixture of water and an organic solvent.
Further, in the step (2) of the above technical scheme, the ion exchange resin is selected from one or a mixture of several of a strong acid cation exchange resin, a weak acid cation exchange resin and a chelating resin.
Further, in the step (2) of the above technical scheme, the time for passing the hydroxyethyl cellulose solution through the ion exchange resin is 1 to 50 hours.
Further, in the step (2) of the above technical scheme, the manner of passing the hydroxyethyl cellulose solution through the ion exchange resin is one or a mixture of several of pump delivery, press filtration, suction filtration and self-flow.
Further, the metal ions removed in the steps (1) and (2) of the technical proposal are one or a mixture of a plurality of sodium, potassium, calcium, magnesium, aluminum, iron, zinc, copper, lead, manganese and cadmium.
Further, in the technical scheme, the effluent is distilled and dried to obtain hydroxyethyl cellulose solid, or is directly used for other purposes.
The method removes the metal ions in the hydroxyethyl cellulose by an ion exchange mode, can respectively reduce the concentration of each metal ion in the hydroxyethyl cellulose to 0-5 ppm, and widens the application field of the hydroxyethyl cellulose.
Detailed Description
Example 1
10 g of hydroxyethyl cellulose is weighed, added into 990 g of water, stirred at room temperature for 24 hours until the hydroxyethyl cellulose is completely dissolved, circulated through the Dusheng T-42 type strong acid type cation exchange resin for treatment for 20 hours, and effluent is collected to detect the content of metal ions in the solution before and after treatment.
Analysis results:
| project | Na/ppm | K/ppm | Ca/ppm | Mg/ppm | Al/ppm | Fe/ppm | Zn/ppm |
| Before treatment | 30 | 0.1 | 2 | 0.5 | 0.01 | 0.01 | 0.005 |
| After treatment | 0.02 | 0.0001 | 0.005 | 0.0002 | 0 | 0.0002 | 0 |
Example 2
40 g of hydroxyethyl cellulose is weighed, added into 960 g of water, stirred at room temperature for 48 hours until the hydroxyethyl cellulose is completely dissolved, circulated through 001X7 type strong acid type cation exchange resin for treatment for 35 hours, and effluent is collected to detect the content of metal ions in the solution before and after treatment.
Analysis results:
| project | Na/ppm | K/ppm | Ca/ppm | Mg/ppm | Al/ppm | Fe/ppm | Zn/ppm |
| Before treatment | 130 | 0.5 | 7.5 | 1.5 | 0.05 | 0.035 | 0.01 |
| After treatment | 0.1 | 0.002 | 0.05 | 0.0005 | 0 | 0.001 | 0.0003 |
Example 3
50 g of hydroxyethyl cellulose is weighed, added into 950 g of water, stirred at room temperature for 45 hours until the hydroxyethyl cellulose is completely dissolved, circulated through DuPont HPR-650 type strong acid type cation exchange resin for treatment for 40 hours, effluent is collected, concentrated and dried to obtain hydroxyethyl cellulose solid, and the content of metal ions in the solid before and after treatment is detected.
Analysis results:
| project | Na/ppm | K/ppm | Ca/ppm | Mg/ppm | Al/ppm | Fe/ppm | Zn/ppm |
| Before treatment | 3500 | 2.8 | 150 | 25 | 11 | 5.7 | 0.4 |
| After treatment | 4.3 | 0.01 | 0.1 | 0.05 | 0.01 | 0.04 | 0 |
The foregoing embodiments illustrate the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the scope of the principles of the invention, which are defined in the appended claims.
Claims (10)
1. A method for removing metal ions from hydroxyethyl cellulose, comprising the steps of: 1, adding hydroxyethyl cellulose into a solvent system, and stirring for dissolution;
2, passing the solution through cation exchange resin until the metal ion content reaches the qualification, and collecting effluent.
2. The method for removing metal ions from hydroxyethyl cellulose according to claim 1, wherein: in the step (1), the dissolution temperature is 0-80 ℃.
3. The method for removing metal ions from hydroxyethyl cellulose according to claim 1, wherein: in the step (1), stirring and dissolving time is 10-50 hours.
4. The method for removing metal ions from hydroxyethyl cellulose according to claim 1, wherein: in the step (1), the mass fraction of the hydroxyethyl cellulose is 0.1-5%.
5. The method for removing metal ions from hydroxyethyl cellulose according to claim 1, wherein: in the step (1), the solvent is deionized water or a mixture of water and an organic solvent.
6. The method for removing metal ions from hydroxyethyl cellulose according to claim 1, wherein: in the step (2), the ion exchange resin is selected from one or more of strong acid cation exchange resin, weak acid cation exchange resin and chelating resin.
7. The method for removing metal ions from hydroxyethyl cellulose according to claim 1, wherein: in the step (2), the hydroxyethyl cellulose solution passes through the ion exchange resin for 1 to 50 hours.
8. The method for removing metal ions from hydroxyethyl cellulose according to claim 1, wherein: in the step (2), the manner of passing the hydroxyethyl cellulose solution through the ion exchange resin is one or a mixture of a plurality of pump delivery, filter pressing, suction filtration and self-flowing.
9. The method for removing metal ions from hydroxyethyl cellulose according to claim 1, wherein: the metal ions removed in the steps (1) and (2) are one or a mixture of sodium, potassium, calcium, magnesium, aluminum, iron, zinc, copper, lead, manganese and cadmium.
10. The method for removing metal ions from hydroxyethyl cellulose according to any of claims 1 to 9, wherein: the effluent is distilled and dried to obtain hydroxyethyl cellulose solid, or is directly used for other purposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310847535.1A CN116693703A (en) | 2023-07-12 | 2023-07-12 | Method for removing metal ions from hydroxyethyl cellulose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310847535.1A CN116693703A (en) | 2023-07-12 | 2023-07-12 | Method for removing metal ions from hydroxyethyl cellulose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116693703A true CN116693703A (en) | 2023-09-05 |
Family
ID=87823966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310847535.1A Pending CN116693703A (en) | 2023-07-12 | 2023-07-12 | Method for removing metal ions from hydroxyethyl cellulose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116693703A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558917A (en) * | 2001-11-15 | 2004-12-29 | ���Ǿ��ܻ�ѧ��ʽ���� | Preparation method of solvent-free water-dispersible hydroxypropyl methly cellulose phthalate nanoparticle |
| CN1603479A (en) * | 2004-09-07 | 2005-04-06 | 东华大学 | Solvent recovery process for solvent method cellulose fiber preparation |
| CN1820028A (en) * | 2003-03-14 | 2006-08-16 | 伊斯曼化学公司 | Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
| CN102626661A (en) * | 2012-04-11 | 2012-08-08 | 中国地质大学（武汉） | Strong-acid type polystyrene cation exchange resin as well as preparation method and application thereof |
| CN110156898A (en) * | 2019-05-30 | 2019-08-23 | 山东一滕新材料股份有限公司 | A method of preparing hydroxyethyl cellulose |
| CN110393738A (en) * | 2019-08-27 | 2019-11-01 | 北京五和博澳药业有限公司 | A kind of plant extraction process |
| CN111214391A (en) * | 2019-11-25 | 2020-06-02 | 重庆东寰科技开发有限公司 | Amphoteric hydroxyethyl cellulose ether and preparation method thereof |
-
2023
- 2023-07-12 CN CN202310847535.1A patent/CN116693703A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558917A (en) * | 2001-11-15 | 2004-12-29 | ���Ǿ��ܻ�ѧ��ʽ���� | Preparation method of solvent-free water-dispersible hydroxypropyl methly cellulose phthalate nanoparticle |
| CN1820028A (en) * | 2003-03-14 | 2006-08-16 | 伊斯曼化学公司 | Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
| CN1603479A (en) * | 2004-09-07 | 2005-04-06 | 东华大学 | Solvent recovery process for solvent method cellulose fiber preparation |
| CN102626661A (en) * | 2012-04-11 | 2012-08-08 | 中国地质大学（武汉） | Strong-acid type polystyrene cation exchange resin as well as preparation method and application thereof |
| CN110156898A (en) * | 2019-05-30 | 2019-08-23 | 山东一滕新材料股份有限公司 | A method of preparing hydroxyethyl cellulose |
| CN110393738A (en) * | 2019-08-27 | 2019-11-01 | 北京五和博澳药业有限公司 | A kind of plant extraction process |
| CN111214391A (en) * | 2019-11-25 | 2020-06-02 | 重庆东寰科技开发有限公司 | Amphoteric hydroxyethyl cellulose ether and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 七院校《普通化学》编写组: "《普通化学》", 31 August 1985, 河南科学技术出版社, pages: 60 - 61 * |
| 彭雨琦: "基于离子印迹材料的水体中铜离子快速显色检测方法", 《中国优秀硕士学位论文全文数据库（电子期刊） 工程科技I辑》, no. 03, 15 March 2022 (2022-03-15) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102107978A (en) | Method for resource utilization and innocent treatment of etching waste liquid containing copper in circuit board industry | |
| CN105908550B (en) | A kind of method of the separation and Extraction lignin from Eucalyptus | |
| CN103436885A (en) | Method for recycling tin removal waste liquor | |
| CN102320703A (en) | A kind of etching waste liquor is produced the recovery method of the mother liquor behind the basic copper chloride | |
| CN104986892A (en) | Tin stripping waste liquid treating method | |
| CN102912352A (en) | Method for recycling acidic copper-etching waste solution | |
| CN102912142B (en) | Method for recycling copper from etching solution through combination of multistage cross current and counter current | |
| CN1211503C (en) | Recovery of tin from waste liquid of tin and lead | |
| CN111003865A (en) | Method and system for treating high-concentration waste sulfuric acid | |
| CN111591967A (en) | Recovery processing method of phosphoric acid waste acid | |
| CN103342635A (en) | Method for recovering sodium oxalate from waste water | |
| CN103388074A (en) | Method for treating spent tin stripping solution of waste circuit board | |
| CN1010595B (en) | Extract ga from bar solution using soaking and adsorbing resin | |
| CN103740938A (en) | Method for recovering cobalt in cobalt carbonate production wastewater by saponification-free solvent extraction method | |
| CN116693703A (en) | Method for removing metal ions from hydroxyethyl cellulose | |
| CN111302384A (en) | Zero-emission process for treating alkaline copper etching waste liquid | |
| CN101898824A (en) | Sulfide heavy metal chelating trapping agent and preparation method thereof | |
| CN106745109A (en) | Method for treating waste liquid generated by extracting cobalt and nickel by acid leaching process | |
| CN109369339B (en) | Method for treating waste p-toluenesulfonic acid iron n-butanol solution | |
| CN103911513A (en) | Solder stripping waste liquid treatment method | |
| CN106396195A (en) | Circular treatment method for waste liquid generated by extracting cobalt and nickel by acid leaching process | |
| CN202898145U (en) | Process equipment system for recycling acidic copper-etching waste liquor | |
| CN112520924A (en) | Recycling and resource treatment method for alkaline wastewater in tantalum-niobium hydrometallurgy | |
| CN105481136A (en) | Comprehensive treatment method for recycling waste calcium water and waste acid obtained through algin production | |
| CN112573489B (en) | Comprehensive treatment process for waste sulfuric acid sludge and waste sulfuric acid on surface of metal product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |