CN110552139A - Method for recovering non-aqueous medium in disperse dye non-aqueous medium dyeing process - Google Patents
Method for recovering non-aqueous medium in disperse dye non-aqueous medium dyeing process Download PDFInfo
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- CN110552139A CN110552139A CN201810535805.4A CN201810535805A CN110552139A CN 110552139 A CN110552139 A CN 110552139A CN 201810535805 A CN201810535805 A CN 201810535805A CN 110552139 A CN110552139 A CN 110552139A
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- aqueous medium
- disperse dye
- dyeing
- medium
- extract
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- 239000012736 aqueous medium Substances 0.000 title claims abstract description 48
- 238000004043 dyeing Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000000986 disperse dye Substances 0.000 title claims abstract description 29
- 239000002609 medium Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000000605 extraction Methods 0.000 claims abstract description 13
- 239000011259 mixed solution Substances 0.000 claims abstract description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 10
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 claims description 4
- 235000019253 formic acid Nutrition 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 claims description 2
- 238000004821 distillation Methods 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 238000005194 fractionation Methods 0.000 claims description 2
- 229960000448 lactic acid Drugs 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 claims description 2
- -1 siloxanes Chemical class 0.000 claims description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 8
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 6
- 239000002904 solvent Substances 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
The invention discloses a method for recovering a non-aqueous medium in a disperse dye non-aqueous medium dyeing process, belongs to the technical field of solvent recovery, and particularly relates to a method for recovering a non-aqueous medium in a disperse dye non-aqueous medium dyeing process. The method mainly comprises the following steps: (1) fully contacting the non-aqueous medium with the extraction liquid; (2) and (5) separating the mixed solution. Referring to a non-aqueous medium dyeing method of a disperse dye in a patent 'a disperse dye dyeing method using siloxane as a medium' and a limiting method of the non-aqueous medium in a patent 'a non-aqueous medium for disperse dye dyeing', the method realizes that the non-aqueous medium is quickly recycled by a simpler method, and ensures the recycling and popularization of the disperse dye non-aqueous medium.
Description
Technical Field
The invention discloses a method for recovering a non-aqueous medium in a disperse dye non-aqueous medium dyeing process, which realizes rapid recovery and utilization of the non-aqueous medium by a simpler extraction method, ensures the feasibility and the generalization of disperse dye non-aqueous medium dyeing, belongs to the technical field of solvent recovery, and particularly relates to a method for recovering a solvent in the disperse dye non-aqueous medium dyeing process.
Background
the conventional disperse dye has large dyeing wastewater amount, is difficult to treat, has more non-aqueous medium dyeing methods in due course, mainly uses supercritical CO 2 dyeing and solvent dyeing at present, does not use water for supercritical CO 2 dyeing, does not have wastewater pollution, belongs to an environment-friendly dyeing process, solves the problem of environmental pollution in the traditional dyeing process, but has high cost and large investment because dyeing equipment needs a high-pressure device, has few applicable dyes and particularly lacks dyes required by natural fiber dyeing.
The patent 'a disperse dye dyeing method using siloxane as a medium' provides a disperse dye non-aqueous medium dyeing method with stronger universality, and compared with the method, the method has better dyeing effect, reduces the generation of a large amount of waste water, has small dependence on equipment, more applicable dyes, easy recovery of the medium and the like.
Refer to the dyeing method in the patent "a disperse dye dyeing method using siloxane as medium": (1) adding the object to be dyed, prepared dye liquor and dyeing accelerant into a dyeing medium for dyeing; (2) and removing liquid after dyeing, washing by using a siloxane medium, and drying to obtain a dyed finished product.
Refer to the patent "a kind of non-aqueous medium for disperse dye dyeing" for the non-aqueous medium selection method: (1) the non-aqueous medium has certain solubility to the disperse dye; (2) the non-aqueous medium has a certain boiling point, surface tension and viscosity.
The invention relates to a method for recovering a non-aqueous medium in a disperse dye non-aqueous medium dyeing process, which is mainly characterized by taking an extraction method, realizes quick recycling of the non-aqueous medium by a simpler method, and ensures the universality of disperse dye non-aqueous medium dyeing.
Disclosure of Invention
The invention discloses a method for recovering a non-aqueous medium in a disperse dye non-aqueous medium dyeing process. Has a series of advantages of high efficiency, simplicity, rapidness and the like.
The purpose of the invention can be realized by the following technical scheme steps:
(1) Fully contacting the non-aqueous medium with the extraction liquid;
(2) And (5) separating the mixed solution.
According to claim 1, in step (1), the extract has a strong solubility for disperse dyes, and the solubility at room temperature is not less than 0.1 g/L, preferably not less than 0.5 g/L.
According to claim 1, in step (1), the extract has a low solubility in a nonaqueous medium, and is easy to separate a mixed solution, and the solubility at room temperature is not more than 10 mg/L, preferably not more than 1 mg/L.
According to claim 1, in step (1), the extract has a density different from that of the non-aqueous medium, which facilitates separation of the mixture, and the absolute value of the difference in density is not less than 0.01 g/cm 3, preferably not less than 0.25 g/cm 3.
According to claim 1, in the step (1), the extract comprises acids (formic acid, acetic acid, acrylic acid, DL-lactic acid), alcohols (methanol, etc.), amides (N, N-dimethylformamide, N, N-dimethylacetamide, etc.), γ -butyrolactone, acetonitrile, dimethyl sulfoxide, etc.
According to claim 1, in the step (1), the non-aqueous medium includes alkanes (isooctane, white oil, etc.), alcohols (ethylene glycol, propylene glycol, diethylene glycol, etc.), ethers (anisole, etc.), sulfolane, dimethyl sulfoxide, siloxanes, etc.
According to claim 1, in step (2), the mixture is separated by standing separation, centrifugation, membrane separation or distillation fractionation.
the invention has the beneficial effects that:
The invention discloses a method for recovering a non-aqueous medium in a disperse dye non-aqueous medium dyeing process. Referring to the non-aqueous medium dyeing of the disperse dye in the patent 'disperse dye dyeing method using siloxane as a medium', the method realizes that the non-aqueous medium is rapidly recycled by a simpler method, and ensures the feasibility and the generalization of the disperse dye dyeing by the non-aqueous medium.
Detailed Description
The invention relates to a method for recovering a non-aqueous medium, which mainly adopts an extraction method, takes disperse dyes as an example of disperse blue (CAS: 105076-77-5), takes siloxane as an example of the non-aqueous medium, and selects the following extraction liquid.
| Extracting liquid | Solubility g/L of disperse dye at normal temperature | Solubility to non-aqueous medium at normal temperature in mg/L | Density g/cm3 |
| Methanol | 2 | 0.5 | 0.49 |
| Formic acid | 3 | 0.1 | 1.22 |
| dimethyl sulfoxide | 8 | 0.1 | 1.10 |
| Gamma-butyrolactone | 40 | 0.1 | 1.13 |
All of the above are the extract liquid defined in the present invention.
The extraction method comprises the following steps: cooling and filtering the dyeing or washing residual liquid, fully mixing the dyeing or washing residual liquid and the extract liquid in an extraction cylinder by stirring, standing for layering, and adding the mixture into a storage cylinder.
Drawings
The attached drawing is an extraction device, FIG. 1 is a device with density of non-aqueous medium less than that of extraction liquid, and FIG. 2 is a device with density of non-aqueous medium greater than that of extraction liquid.
The extraction cases were as follows:
Example 1
cooling and filtering 100L of dyeing residual liquid, adding 1LDMSO, fully stirring, standing for layering, taking out an upper layer dyeing medium, adding 1LDMSO, fully stirring, standing for layering, wherein the dyeing medium is in a colorless state, and the medium can be recycled for 15 times, and the recovery rate is more than 95.60%.
Example 2
cooling and filtering 200L of dyeing residual liquid, adding 2L of gamma-butyrolactone, fully stirring, standing for layering, enabling a dyeing medium to be in a colorless state, recycling the medium, and repeatedly recycling for 15 times, wherein the recovery rate is more than 96.2%.
Example 3
After 2L of dyeing residual liquid is cooled and filtered, 300mL of methanol is added, the mixture is fully stirred and stands for layering, the dyeing medium is colorless, the medium can be recycled, the medium is recycled for 15 times, and the recovery rate is more than 94.53%.
Example 4
Cooling and filtering 500mL of dyeing residual liquid, adding 100mL of formic acid, fully stirring, standing for layering, enabling a dyeing medium to be in a colorless state, recycling the medium, and repeatedly recycling for 15 times, wherein the recovery rate is more than 97.62%.
Claims (7)
1. A method for recovering non-aqueous medium in disperse dye dyeing mainly comprises the following steps:
(1) Fully contacting the non-aqueous medium with the extraction liquid;
(2) And (5) separating the mixed solution.
2. According to claim 1, in step (1), the extract has a strong solubility for disperse dyes, and the solubility at room temperature is not less than 0.1 g/L, preferably not less than 0.5 g/L.
3. According to claim 1, in step (1), the extract has a low solubility in a nonaqueous medium, and is easy to separate a mixed solution, and the solubility at room temperature is not more than 10 mg/L, preferably not more than 1 mg/L.
4. According to claim 1, in step (1), the extract has a density different from that of the non-aqueous medium, which facilitates separation of the mixture, and the absolute value of the difference in density is not less than 0.01 g/cm 3, preferably not less than 0.25 g/cm 3.
5. According to claim 1, in the step (1), the extract comprises acids (formic acid, acetic acid, acrylic acid, DL-lactic acid), alcohols (methanol, etc.), amides (N, N-dimethylformamide, N, N-dimethylacetamide, etc.), γ -butyrolactone, acetonitrile, dimethyl sulfoxide, etc.
6. According to claim 1, in the step (1), the non-aqueous medium includes alkanes (isooctane, white oil, etc.), alcohols (ethylene glycol, propylene glycol, diethylene glycol, etc.), ethers (anisole, etc.), sulfolane, dimethyl sulfoxide, siloxanes, etc.
7. According to claim 1, in step (2), the mixture is separated by standing separation, centrifugation, membrane separation or distillation fractionation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810535805.4A CN110552139A (en) | 2018-05-30 | 2018-05-30 | Method for recovering non-aqueous medium in disperse dye non-aqueous medium dyeing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810535805.4A CN110552139A (en) | 2018-05-30 | 2018-05-30 | Method for recovering non-aqueous medium in disperse dye non-aqueous medium dyeing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552139A true CN110552139A (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810535805.4A Pending CN110552139A (en) | 2018-05-30 | 2018-05-30 | Method for recovering non-aqueous medium in disperse dye non-aqueous medium dyeing process |
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| Country | Link |
|---|---|
| CN (1) | CN110552139A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1445428A (en) * | 1972-08-11 | 1976-08-11 | Hoechst Ag | Process and apparatus for dyeing textile materials of synthetic fibres |
| CN103408092A (en) * | 2013-08-02 | 2013-11-27 | 浙江吉华集团股份有限公司 | Treatment method for production wastewater of sulfonic acid group dye and dye intermediate of sulfonic acid group dye |
| CN103556495A (en) * | 2013-10-28 | 2014-02-05 | 湖州金塔地纺织厂 | Method for dyeing terylene textile |
| CN103938462A (en) * | 2014-04-16 | 2014-07-23 | 东华大学 | Anhydrous zero-discharge disperse dye dyeing method |
| CN104591486A (en) * | 2014-12-30 | 2015-05-06 | 江苏远征化工有限公司 | Method for treating low-acidity dye wastewater |
| CN105064078A (en) * | 2015-08-05 | 2015-11-18 | 广东溢达纺织有限公司 | Reactive dye non-aqueous medium dyeing and soaping method |
| CN107337246A (en) * | 2017-08-18 | 2017-11-10 | 新疆如意纺织服装有限公司 | Reactive dyeing raffinate recovery system and recovery method |
-
2018
- 2018-05-30 CN CN201810535805.4A patent/CN110552139A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1445428A (en) * | 1972-08-11 | 1976-08-11 | Hoechst Ag | Process and apparatus for dyeing textile materials of synthetic fibres |
| CN103408092A (en) * | 2013-08-02 | 2013-11-27 | 浙江吉华集团股份有限公司 | Treatment method for production wastewater of sulfonic acid group dye and dye intermediate of sulfonic acid group dye |
| CN103556495A (en) * | 2013-10-28 | 2014-02-05 | 湖州金塔地纺织厂 | Method for dyeing terylene textile |
| CN103938462A (en) * | 2014-04-16 | 2014-07-23 | 东华大学 | Anhydrous zero-discharge disperse dye dyeing method |
| CN104591486A (en) * | 2014-12-30 | 2015-05-06 | 江苏远征化工有限公司 | Method for treating low-acidity dye wastewater |
| CN105064078A (en) * | 2015-08-05 | 2015-11-18 | 广东溢达纺织有限公司 | Reactive dye non-aqueous medium dyeing and soaping method |
| CN107337246A (en) * | 2017-08-18 | 2017-11-10 | 新疆如意纺织服装有限公司 | Reactive dyeing raffinate recovery system and recovery method |
Non-Patent Citations (1)
| Title |
|---|
| 俞志明: "《中国化工商品大全第二卷》", 29 February 1996, 中国物资出版社 * |
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Address after: 314423 Room 201, No.11, Yancang Weisan Road, Chang'an Town, Haining City, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Lvyu Textile Technology Co.,Ltd. Address before: 314423 Room 201, No.11, Yancang Weisan Road, Chang'an Town, Haining City, Jiaxing City, Zhejiang Province Applicant before: HAINING LVYU TEXTILE TECHNOLOGY Co.,Ltd. |
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