CN112724264A - Application method of bipolar membrane alkali liquor - Google Patents
Application method of bipolar membrane alkali liquor Download PDFInfo
- Publication number
- CN112724264A CN112724264A CN202011583846.4A CN202011583846A CN112724264A CN 112724264 A CN112724264 A CN 112724264A CN 202011583846 A CN202011583846 A CN 202011583846A CN 112724264 A CN112724264 A CN 112724264A
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- Prior art keywords
- alkali liquor
- bipolar membrane
- waste
- membrane alkali
- application method
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B9/00—Cellulose xanthate; Viscose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/22—Cellulose xanthate
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Sustainable Development (AREA)
- Cosmetics (AREA)
Abstract
The invention discloses an application method of bipolar membrane alkali liquor, which is characterized in that the bipolar membrane alkali liquor is used for preparing dissolved alkali liquor in the yellowing process of viscose production, and meanwhile, the bipolar membrane alkali liquor is added into waste glue generated at the tail end of viscose production for dilution so as to recover the alkali liquor in the waste glue. According to the application method of the bipolar membrane alkali liquor, the bipolar membrane alkali liquor is used for replacing soda ash to prepare the etiolation alkali liquor, and the bipolar membrane alkali liquor is used for treating waste glue, so that the alkali liquor can be recycled, the use of the soda ash can be reduced, and the purposes of reducing cost and reducing emission can be achieved. According to the invention, the bipolar membrane alkali liquor is used for replacing soda to prepare the etiolation alkali liquor, so that the use amount of the soda can be greatly reduced, meanwhile, the bipolar membrane alkali liquor is added into the waste rubber for diluting to perform waste rubber treatment, the alkali liquor contained in the waste rubber can be recovered, the alkali liquor can be recycled, the cost can be greatly reduced, meanwhile, the purpose of emission reduction is achieved by the recovery treatment of the waste rubber, and the downstream environmental protection treatment cost is reduced.
Description
Technical Field
The invention relates to the technical field of viscose production, in particular to an application method of bipolar membrane alkali liquor.
Background
In the preparation process of viscose fiber, the dissolving alkali liquor is added in the yellowing process to dissolve viscose, soda is used, the cost of soda is relatively high, meanwhile, in the viscose manufacturing process, soda is generally used for dissolving viscose, waste viscose is discharged after being subjected to environment-friendly treatment, the cost is high, waste alkali liquor can be wasted, and the environment-friendly treatment cost is also very high.
Disclosure of Invention
The invention aims to solve the technical problems that a large amount of soda needs to be used in the existing viscose fiber production and viscose production, the cost is relatively high, waste alkali liquor is wasted, and the application method of the bipolar membrane alkali liquor is provided.
The invention is realized by the following technical scheme:
the application method of the bipolar membrane alkali liquor comprises the steps of preparing a dissolved alkali liquor by using the bipolar membrane alkali liquor in the yellowing process of viscose production, and simultaneously adding the bipolar membrane alkali liquor into waste glue generated at the tail end of viscose production to dilute and recover the alkali liquor in the waste glue.
According to the application method of the bipolar membrane alkali liquor, the bipolar membrane alkali liquor is used for replacing soda ash to prepare the etiolation alkali liquor, and the bipolar membrane alkali liquor is used for treating waste glue, so that the alkali liquor can be recycled, the use of the soda ash can be reduced, and the purposes of reducing cost and reducing emission can be achieved. According to the invention, the bipolar membrane alkali liquor is used for replacing soda to prepare the etiolation alkali liquor, so that the use amount of the soda can be greatly reduced, meanwhile, the bipolar membrane alkali liquor is added into the waste rubber for diluting to perform waste rubber treatment, the alkali liquor contained in the waste rubber can be recovered, the alkali liquor can be recycled, the cost can be greatly reduced, meanwhile, the purpose of emission reduction is achieved by the recovery treatment of the waste rubber, and the downstream environmental protection treatment cost is reduced.
And adding bipolar membrane alkali liquor with the concentration of 15g/L into the waste rubber.
And returning the alkali liquor recovered from the waste rubber to the yellowing process for use.
And diluting the waste glue by using bipolar membrane alkali liquor, separating impurities, and then recovering the waste alkali liquor.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the application method of the bipolar membrane alkali liquor, the bipolar membrane alkali liquor is used for replacing soda ash to prepare the etiolation alkali liquor, and the bipolar membrane alkali liquor is used for treating waste glue to realize recycling of the alkali liquor, so that the use amount of the soda ash can be reduced, the cost is greatly reduced, the purpose of waste glue emission reduction is realized, and the cost of environment-friendly treatment of downstream waste glue is reduced.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not used as limitations of the present invention.
Example 1
The application method of the bipolar membrane alkali liquor comprises the steps of preparing dissolved alkali liquor by using the bipolar membrane alkali liquor in the yellowing process of viscose production, and simultaneously adding the bipolar membrane alkali liquor into waste glue generated at the tail end of viscose production to dilute and recover the alkali liquor in the waste glue.
According to the application method of the bipolar membrane alkali liquor, the bipolar membrane alkali liquor is used for replacing soda ash to prepare the etiolation alkali liquor, and the bipolar membrane alkali liquor is used for treating waste glue, so that the alkali liquor can be recycled, the use of the soda ash can be reduced, and the purposes of reducing cost and reducing emission can be achieved. According to the invention, the bipolar membrane alkali liquor is used for replacing soda to prepare the etiolation alkali liquor, so that the use amount of the soda can be greatly reduced, meanwhile, the bipolar membrane alkali liquor is added into the waste rubber for diluting to perform waste rubber treatment, the alkali liquor contained in the waste rubber can be recovered, the alkali liquor can be recycled, the cost can be greatly reduced, meanwhile, the purpose of emission reduction is achieved by the recovery treatment of the waste rubber, and the downstream environmental protection treatment cost is reduced.
And adding bipolar membrane alkali liquor with the concentration of 15g/L into the waste rubber.
And returning the alkali liquor recovered from the waste rubber to the yellowing process for use.
And diluting the waste glue by using bipolar membrane alkali liquor, separating impurities, and then recovering the waste alkali liquor.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. The application method of the bipolar membrane alkali liquor is characterized in that the bipolar membrane alkali liquor is used for preparing the dissolved alkali liquor in the yellowing process of viscose production, and meanwhile, the bipolar membrane alkali liquor is added into waste glue generated at the tail end of viscose production to dilute and recover the alkali liquor in the waste glue.
2. The method for using the bipolar membrane alkali liquor according to claim 1, wherein the bipolar membrane alkali liquor with a concentration of 15g/L is added to the waste glue.
3. The method for applying the bipolar membrane alkali liquor according to claim 1, wherein the alkali liquor recovered from waste gum is returned to the yellowing process for use.
4. The method for using the bipolar membrane alkali liquor according to claim 1, wherein the bipolar membrane alkali liquor is used for diluting waste gum, separating impurities and then recovering the waste alkali liquor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011583846.4A CN112724264A (en) | 2020-12-28 | 2020-12-28 | Application method of bipolar membrane alkali liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011583846.4A CN112724264A (en) | 2020-12-28 | 2020-12-28 | Application method of bipolar membrane alkali liquor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112724264A true CN112724264A (en) | 2021-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011583846.4A Pending CN112724264A (en) | 2020-12-28 | 2020-12-28 | Application method of bipolar membrane alkali liquor |
Country Status (1)
| Country | Link |
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| CN (1) | CN112724264A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1607271A (en) * | 2003-10-14 | 2005-04-20 | 新乡化纤股份有限公司 | Bamboo-charcoal viscose fiber and method for making same |
| CN1618816A (en) * | 2004-10-18 | 2005-05-25 | 保定天鹅股份有限公司 | Xanthating method used in viscous fiber production |
| CN203393286U (en) * | 2013-07-24 | 2014-01-15 | 宜宾海翔化工有限责任公司 | System for recovering acid and alkali from viscose sodium sulfate waste liquor by bipolar membrane electrodialysis method |
| CN104004103A (en) * | 2014-06-06 | 2014-08-27 | 成都丽雅纤维股份有限公司 | Yellowing process of viscose production |
| CN207575882U (en) * | 2017-11-30 | 2018-07-06 | 宜宾丝丽雅股份有限公司 | The filter system that lye depth recycles in a kind of viscose rayon production |
| CN109970274A (en) * | 2019-03-29 | 2019-07-05 | 杭州蓝然环境技术股份有限公司 | A method of processing viscose rayon industry acid waste water and alkaline waste water |
| CN111003830A (en) * | 2019-12-26 | 2020-04-14 | 宜宾海丝特纤维有限责任公司 | Method for recycling acid wastewater in viscose fiber production |
-
2020
- 2020-12-28 CN CN202011583846.4A patent/CN112724264A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1607271A (en) * | 2003-10-14 | 2005-04-20 | 新乡化纤股份有限公司 | Bamboo-charcoal viscose fiber and method for making same |
| CN1618816A (en) * | 2004-10-18 | 2005-05-25 | 保定天鹅股份有限公司 | Xanthating method used in viscous fiber production |
| CN203393286U (en) * | 2013-07-24 | 2014-01-15 | 宜宾海翔化工有限责任公司 | System for recovering acid and alkali from viscose sodium sulfate waste liquor by bipolar membrane electrodialysis method |
| CN104004103A (en) * | 2014-06-06 | 2014-08-27 | 成都丽雅纤维股份有限公司 | Yellowing process of viscose production |
| CN207575882U (en) * | 2017-11-30 | 2018-07-06 | 宜宾丝丽雅股份有限公司 | The filter system that lye depth recycles in a kind of viscose rayon production |
| CN109970274A (en) * | 2019-03-29 | 2019-07-05 | 杭州蓝然环境技术股份有限公司 | A method of processing viscose rayon industry acid waste water and alkaline waste water |
| CN111003830A (en) * | 2019-12-26 | 2020-04-14 | 宜宾海丝特纤维有限责任公司 | Method for recycling acid wastewater in viscose fiber production |
Non-Patent Citations (1)
| Title |
|---|
| 许少石 等: "《粘胶纤维浆粕制造》", 31 January 1983, 纺织工业出版社 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210430 |