CN103331178B - A kind of dyeing waste water regeneration Catalysts and its preparation method and application - Google Patents
A kind of dyeing waste water regeneration Catalysts and its preparation method and application Download PDFInfo
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- CN103331178B CN103331178B CN201310239141.4A CN201310239141A CN103331178B CN 103331178 B CN103331178 B CN 103331178B CN 201310239141 A CN201310239141 A CN 201310239141A CN 103331178 B CN103331178 B CN 103331178B
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Abstract
The present invention relates to a kind of dyeing waste water regeneration catalyst, be made up of the component of following percentage by weight: nano-titanium oxide 0.1% ~ 3%, alkali protease 12% ~ 18%, sodium metasilicate 23% ~ 45%, sodium acid carbonate 3% ~ 5%, SODIUM PERCARBONATE 6% ~ 12%, sodium carbonate 5% ~ 10%, all the other are water.Dyeing waste water regeneration catalyst provided by the invention in conjunction with the waste water in printing and dyeing mill's pretreatment procedure stage for fabric pretreatment operation, so not only production cost can be reduced, the more important thing is the consumption that can reduce fresh water, reduce the discharge capacity of pre-treatment waste water, to alleviating environmental pollution, alleviate shortage of water resources problem, have important practical significance.
Description
Technical field
The invention belongs to the technical field of dyeing waste water regeneration, particularly a kind of dyeing waste water regeneration Catalysts and its preparation method and application.
Background technology
Insider knows, textile printing and dyeing industry is that China's water consumption is large, one of industry that wastewater discharge is more, especially pre-treatment kiering stage waste water of printing and dyeing is maximum, discharge capacity is maximum, account for the 70-80% of dyeing and increasing year by year, national environmental protection policy is also increasingly strict, is the primary pollution source of monitoring of environment.
It is high that printing and dyeing pretreatment stage waste water has strong basicity pH value, containing a large amount of polyvinyl alcohol (PVA) and acrylate and the foreign material such as starch size and cellulose impurities, wax, cottonseed, pectin, pigment, grease, not treated directly discharge can heavy damage polluted-water and ecological environment.
Therefore, how can effectively transform existing waste water resource, to turn waste into wealth, be the major issue needing at present to solve.
In existing treatment of dyeing wastewater field, have more advanced " dyeing waste water focuses on method ", namely large-scale waste water processing station is set up, require that each printing and dyeing enterprise waste water is included into pipe network, unified process, but waste water processing station takes up an area larger, apparatus expensive, processing cost is comparatively large, and dyeing mill wastewater COD concentration index does not reach into pipe network requirement mostly, causes and suspends business to bring up to standard or the consequence of positive closing.Also have some printing and dyeing mills to use some wastewater processing technologies, these technology are also only confined to the water becoming to meet environment protection emission by wastewater treatment, and the water after this process can not be back to fabric pretreatment operation again.Therefore, existing method of wastewater treatment, can not utilize waste water effective regeneration so far.
Summary of the invention
The object of the present invention is to provide a kind of dyeing waste water regeneration Catalysts and its preparation method and application.
Dyeing waste water regeneration catalyst provided by the invention in conjunction with the waste water in printing and dyeing mill's pretreatment procedure stage for fabric pretreatment operation, so not only production cost can be reduced, the more important thing is the consumption that can reduce fresh water, reduce the discharge capacity of pre-treatment waste water, to alleviating environmental pollution, alleviate shortage of water resources problem, have important practical significance.
Goal of the invention of the present invention is achieved through the following technical solutions:
The object of the present invention is to provide a kind of dyeing waste water regeneration catalyst, be made up of the component of following percentage by weight: nano-titanium oxide 0.1% ~ 3%, alkali protease 12% ~ 18%, sodium metasilicate 23% ~ 45%, sodium acid carbonate 3% ~ 5%, SODIUM PERCARBONATE 6% ~ 12%, sodium carbonate 5% ~ 10%, all the other are water; Wherein, the particle diameter of nano-titanium oxide is 45 ~ 80nm.
Described dyeing waste water regeneration catalyst, be made up of the component of following percentage by weight: nano-titanium oxide 0.1% ~ 3%, alkali protease 12% ~ 18%, laccase 1% ~ 5%, sodium metasilicate 23% ~ 45%, sodium acid carbonate 3% ~ 5%, SODIUM PERCARBONATE 6% ~ 12%, sodium carbonate 5% ~ 10%, all the other are water; Wherein, the particle diameter of nano-titanium oxide is 45 ~ 80nm.
Described dyeing waste water regeneration catalyst, is made up of the component of following percentage by weight: nano-titanium oxide 1.5%, alkali protease 17%, sodium metasilicate 29%, sodium acid carbonate 3.5%, SODIUM PERCARBONATE 10%, sodium carbonate 8%, and all the other are water.
Described dyeing waste water regeneration catalyst, is made up of the component of following percentage by weight: nano-titanium oxide 2.8%, alkali protease 17.8%, sodium metasilicate 25%, sodium acid carbonate 4.8%, SODIUM PERCARBONATE 9%, sodium carbonate 8.4%, and all the other are water.
Described dyeing waste water regeneration catalyst, is made up of the component of following percentage by weight: nano-titanium oxide 2.5%, alkali protease 13%, laccase 2%, sodium metasilicate 42%, sodium acid carbonate 2.5%, SODIUM PERCARBONATE 8%, sodium carbonate 6%, and all the other are water.
Described dyeing waste water regeneration catalyst, is made up of the component of following percentage by weight: nano-titanium oxide 1.8%, alkali protease 14%, laccase 3.2%, sodium metasilicate 26%, sodium acid carbonate 4.5%, SODIUM PERCARBONATE 8.5%, sodium carbonate 7%, and all the other are water.
The concrete pH of described alkali protease is 9-13.
Another object of the present invention is to the preparation method providing a kind of dyeing waste water regeneration catalyst, step is as follows:
Feeding intake as following weight percent: nano-titanium oxide 0.1% ~ 3%, alkali protease 12% ~ 18%, sodium metasilicate 23% ~ 45%, sodium acid carbonate 3% ~ 5%, SODIUM PERCARBONATE 6% ~ 12%, sodium carbonate 5% ~ 10%, all the other are water;
A) dispersion of nano-titanium oxide
Nano-titanium oxide is added aqueous dispersion 5 ~ 30 minutes under the condition of 10000 ~ 35000 revs/min; Then add alkali protease and under the condition of 10 ~ 60 DEG C homogeneous stir 5 ~ 30 minutes; Then add sodium acid carbonate to continue to stir, the colloidal solution obtained is for subsequent use by strainer;
B) without the compound of powder
Under the stirring condition of 50 ~ 100 revs/min, mix sodium metasilicate and SODIUM PERCARBONATE, when stirring 5 ~ 30 minute, then drench into above-mentioned colloidal solution, homogeneous is for subsequent use after stirring;
C) granulation synthesis
The discharging particle diameter of adjustment powder granulator is 0.6mm, adds the material that above-mentioned compound is good, adds sodium carbonate and adjusted to ph to 12 ~ 13, continues homogeneous and stirs 10 ~ 30 minutes, become graininess discharging through strainer homogeneous.
The described percentage that feeds intake is: nano-titanium oxide 0.1% ~ 3%, alkali protease 12% ~ 18%, laccase 1% ~ 5%, sodium metasilicate 23% ~ 45%, sodium acid carbonate 3% ~ 5%, SODIUM PERCARBONATE 6% ~ 12%, sodium carbonate 5% ~ 10%, and all the other are water;
Feed intake according to above-mentioned, step a) is as follows:
A) dispersion of nano-titanium oxide
Nano-titanium oxide is added aqueous dispersion 5 ~ 30 minutes under the condition of 10000 ~ 35000 revs/min; Then add alkali protease and under the condition of 10 ~ 60 DEG C homogeneous stir 5 ~ 30 minutes; Then add laccase, sodium acid carbonate continues to stir, the colloidal solution obtained is for subsequent use by strainer.
Another object of the present invention is to provide the application of a kind of dyeing waste water regeneration catalyst in fabric pretreatment technique.
Described fabric pretreatment technique, comprises the destarch of fabric, refining, bleaching.
Dyeing waste water regeneration catalyst provided by the invention, is same as common fabric pretreatment agent.Namely it is added in waste water becomes the cotton of high-quality and the pre-dyeing treatment agent of blend fabric, the grease in fiber, cured matter, cotton seed hulls and other impurity can be removed fast, to fiber not burn into do not damage, especially outstanding is, also can increase fabric scouring whiteness simultaneously, make its destarch, refining, bleaching at same equipment, same treatment fluid, completes in same technique.Need not add caustic soda, hydrogen peroxide and other chemical assistant again during use, can meet every technical requirement of printing and dyeing pre-treatment, its effect is very obvious.In addition, nearly all cellulose fibre such as cotton and scribbled, woven fabric, knitted fabric and products thereof can also be processed.When not changing existing equipment, with the plain mode directly added, achieve dyeing destarch truly, concise, bleach the disposable environmental protection operation completed.
Dyeing waste water regeneration catalyst provided by the invention in conjunction with the waste water in printing and dyeing mill's pretreatment procedure stage for fabric pretreatment operation, the caustic soda that alternative traditional handicraft uses, hydrogen peroxide and all kinds of chemical assistant, and as the novel pretreating reagent in textile industry field, under the condition not changing existing equipment, do not re-use caustic soda, also hydrogen peroxide and all kinds of chemical assistant need not be used, direct employing waste water adds catalyst of the present invention can meet production and technical indication requirement, and make processed fabric not by caustic soda, the damage of hydrogen peroxide and chemical element pollute, realize output nontoxic, harmless, pollution-free, without the textile product of the ecological, environmental protectiveization green of harmful chemicals element.
Compared with prior art, good effect of the present invention is as follows:
1, catalyst of the present invention is by being combined with dyeing waste water, makes dyeing waste water obtain regeneration, decreases fresh water consumption and wastewater discharge, alleviates wastewater treatment burden, reduces printing and dyeing enterprise production cost;
2, this method for preparing catalyst is simple, and raw material sources is convenient, can complete in common apparatus, and environmentally friendly, nuisanceless, has good economic benefit;
3, under the condition not changing existing equipment, simplify and shorten technological process, improve original equipment utilization rate, avoiding equipment corrosion and the damage to fabric;
4, workshop is deposited without caustic soda, hydrogen peroxide and pollutes, and to equipment, the person is harmless injures infringement, achieve nontoxic, harmless, pollution-free, without the ecological, environmental protective equalization of harmful chemicals element.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of dyeing waste water regeneration catalyst of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
Feeding intake as following weight percent: nano-titanium oxide 0.1%, alkali protease 16%, sodium metasilicate 40%, sodium acid carbonate 4%, SODIUM PERCARBONATE 7%, sodium carbonate 9%, water 23.9%;
A) dispersion of nano-titanium oxide:
Get nano-titanium oxide, use high shear dispersion machine, under the condition of 10000 revs/min, add water and disperse 10 minutes; Then move to homogeneous mixing plant, add alkali protease and homogeneous stirs 15 minutes under the condition of 20 DEG C; Slowly reduce revolution to 80 rev/min again, add sodium acid carbonate and continue to stir, the colloidal solution obtained is for subsequent use by strainer;
B) without the compound of powder:
Start homogeneous mixer, under the condition of 60 revs/min, slowly add sodium metasilicate, SODIUM PERCARBONATE stir 15 minutes, more slowly drench into above-mentioned colloidal solution, homogeneous is for subsequent use after stirring;
C) granulation synthesis:
Start powder granulator, adjustment enters homogeneous granulation state, and adjustment discharging particle diameter is 0.6mm, slowly adds the material that above-mentioned compound is good, adds sodium carbonate and adjusted to ph to 12 ~ 13, continues homogeneous and stirs 20 minutes, become graininess discharging through strainer homogeneous.
Embodiment 2
Feeding intake as following weight percent: nano-titanium oxide 1.5%, alkali protease 17%, sodium metasilicate 29%, sodium acid carbonate 3.5%, SODIUM PERCARBONATE 10%, sodium carbonate 8%, water 31%.
A) dispersion of nano-titanium oxide:
Get nano-titanium oxide, use high shear dispersion machine, under the condition of 25000 revs/min, add water and disperse 5 minutes; Then move to homogeneous mixing plant, add alkali protease and homogeneous stirs 20 minutes under the condition of 15 DEG C; Slowly reduce revolution to 60 rev/min again, add sodium acid carbonate and continue to stir, the colloidal solution obtained is for subsequent use by strainer;
B) without the compound of powder:
Start homogeneous mixer, under the condition of 80 revs/min, slowly add sodium metasilicate, SODIUM PERCARBONATE stir 10 minutes, more slowly drench into above-mentioned colloidal solution, homogeneous is for subsequent use after stirring;
C) granulation synthesis:
Start powder granulator, adjustment enters homogeneous granulation state, and adjustment discharging particle diameter is 0.6mm, slowly adds the material that above-mentioned compound is good, adds sodium carbonate and adjusted to ph to 12 ~ 13, continues homogeneous and stirs 15 minutes, become graininess discharging through strainer homogeneous.
Embodiment 3
Feeding intake as following weight percent: nano-titanium oxide 2.5%, alkali protease 13%, laccase 2%, sodium metasilicate 42%, sodium acid carbonate 2.5%, SODIUM PERCARBONATE 8%, sodium carbonate 6%, water 24%.
A) dispersion of nano-titanium oxide:
Get nano-titanium oxide, use high shear dispersion machine, under the condition of 20000 revs/min, add water and disperse 25 minutes; Then move to homogeneous mixing plant, add alkali protease and homogeneous stirs 25 minutes under the condition of 40 DEG C; Then add laccase and rotate forward 30 minutes under the condition of 300 revs/min, then reversing 25 minutes; Slowly reduce revolution to 50 rev/min again, add sodium acid carbonate and continue to stir, the colloidal solution obtained is for subsequent use by strainer;
B) without the compound of powder:
Start homogeneous mixer, under the condition of 90 revs/min, slowly add sodium metasilicate, SODIUM PERCARBONATE stir 30 minutes, more slowly drench into above-mentioned colloidal solution, homogeneous is for subsequent use after stirring;
C) granulation synthesis:
Start powder granulator, adjustment enters homogeneous granulation state, and adjustment discharging particle diameter is 0.6mm, slowly adds the material that above-mentioned compound is good, adds sodium carbonate and adjust pH value to 12 ~ 13, continues homogeneous and stirs 10 minutes, become graininess discharging through strainer homogeneous.
Embodiment 4
Feeding intake as following weight percent: nano-titanium oxide 1.8%, alkali protease 14%, laccase 3.2%, sodium metasilicate 26%, sodium acid carbonate 4.5%, SODIUM PERCARBONATE 8.5%, sodium carbonate 7%, water 35%.
A) dispersion of nano-titanium oxide:
Get nano-titanium oxide, use high shear dispersion machine, under the condition of 30000 revs/min, add water and disperse 30 minutes; Then move to homogeneous mixing plant, add alkali protease and homogeneous stirs 10 minutes under the condition of 60 DEG C; Then add laccase and rotate forward 60 minutes under the condition of 450 revs/min, then reversing 60 minutes; Slowly reduce revolution to 70 rev/min again, add sodium acid carbonate and continue to stir, the colloidal solution obtained is for subsequent use by strainer;
B) without the compound of powder:
Start homogeneous mixer, under the condition of 50 revs/min, slowly add sodium metasilicate, SODIUM PERCARBONATE stir 20 minutes, more slowly drench into above-mentioned colloidal solution, homogeneous is for subsequent use after stirring;
C) granulation synthesis:
Start powder granulator, adjustment enters homogeneous granulation state, and adjustment discharging particle diameter is 0.6mm, slowly adds the material that above-mentioned compound is good, adds sodium carbonate and adjust pH value to 12 ~ 13, continues homogeneous and stirs 30 minutes, become graininess discharging through strainer homogeneous.
Embodiment 5
Feeding intake as following weight percent: nano-titanium oxide 1.2%, alkali protease 15%, laccase 4.8%, sodium metasilicate 24%, sodium acid carbonate 3.8%, SODIUM PERCARBONATE 11%, sodium carbonate 9.2%, water 31%.
A) dispersion of nano-titanium oxide:
Get nano-titanium oxide, use high shear dispersion machine, under the condition of 35000 revs/min, add water and disperse 20 minutes; Then move to homogeneous mixing plant, add alkali protease and homogeneous stirs 30 minutes under the condition of 30 DEG C; Then add laccase and rotate forward 40 minutes under the condition of 100 revs/min, then reversing 40 minutes; Slowly reduce revolution to 90 rev/min again, add sodium acid carbonate and continue to stir, the colloidal solution obtained is for subsequent use by strainer;
B) without the compound of powder:
Start homogeneous mixer, under the condition of 70 revs/min, slowly add sodium metasilicate, SODIUM PERCARBONATE stir 5 minutes, more slowly drench into above-mentioned colloidal solution, homogeneous is for subsequent use after stirring;
C) granulation synthesis:
Start powder granulator, adjustment enters homogeneous granulation state, and adjustment discharging particle diameter is 0.6mm, slowly adds the material that above-mentioned compound is good, adds sodium carbonate and adjust pH value to 12 ~ 13, continues homogeneous and stirs 25 minutes, become graininess discharging through strainer homogeneous.
Embodiment 6
Feeding intake as following weight percent: nano-titanium oxide 2.8%, alkali protease 17.8%, sodium metasilicate 25%, sodium acid carbonate 4.8%, SODIUM PERCARBONATE 9%, sodium carbonate 8.4%, water 32.2%.
A) dispersion of nano-titanium oxide:
Get nano-titanium oxide, use high shear dispersion machine, under the condition of 15000 revs/min, add water and disperse 15 minutes; Then move to homogeneous mixing plant, add alkali protease and homogeneous stirs 5 minutes under the condition of 50 DEG C; Slowly reduce revolution to 75 rev/min again, add sodium acid carbonate and continue to stir, the colloidal solution obtained is for subsequent use by strainer;
B) without the compound of powder:
Start homogeneous mixer, under the condition of 100 revs/min, slowly add sodium metasilicate, SODIUM PERCARBONATE stir 25 minutes, more slowly drench into above-mentioned colloidal solution, homogeneous is for subsequent use after stirring;
C) granulation synthesis:
Start powder granulator, adjustment enters homogeneous granulation state, and adjustment discharging particle diameter is 0.6mm; slowly add the material that above-mentioned compound is good; add appropriate sodium carbonate and adjust pH value to 12 ~ 13, continuing homogeneous and stir 25 minutes, become graininess discharging through strainer homogeneous.
application Example 1
Knitted fabric pre-treating technology contrasts
1) former traditional handicraft:
Process fabric 100 kilograms (knitted fabrics) needs to add following material:
(1) chemical assistant: 2 kilograms, caustic soda, 7 kilograms, hydrogen peroxide, hydrogen peroxide stabilizer 2 kilograms, refining agent 1 kilogram, bleeding agent 1 kilogram, degreaser 1 kilogram;
(2) material water consumption: 1000 kilograms (fresh water)
2) product of embodiment 1-6 is used to carry out wastewater regenerating and recycling process:
Process fabric 100 kilograms (knitted fabrics) only needs to add following material:
(1) embodiment product 2-5 kilogram; (other chemical assistant need not be added again);
(2) material waste water 1000 kilograms; (kiering of fresh water material need not be used, the pre-treatment waste water of any fabric)
3) comparing result:
1, every hundred kilograms of grey cloths minimizing chemicals use 10 kilograms;
2, fresh water 1000 kilograms saved by every hundred kilograms of grey cloths;
3, every hundred kilograms of grey cloths reduce discharge of wastewater 1000 kilograms;
4) process results meets pre-treating technology requirement.
application Example 2
Woven fabric pre-treating technology contrasts
1) former traditional handicraft:
Process fabric 3000 meters (fabric) needs to add following material:
(1) chemical assistant: 60 kilograms, caustic soda, 25 kilograms, hydrogen peroxide, hydrogen peroxide stabilizer 5 kilograms, refining agent 4 kilograms, bleeding agent 4 kilograms, chelating agent 4 kilograms;
(2) kiering water consumption: 500 kilograms (fresh water)
(3) bleaching aqueous amount: 500 kilograms (fresh water)
2) product of embodiment 1-6 is used to carry out wastewater regenerating and recycling process:
Process fabric 3000 meters (fabric) only needs to add following material:
(1) product 35-50 kilogram of the present invention; (other chemical assistant need not be added again);
(2) material waste water 500 kilograms; (kiering of fresh water material need not be used, the pre-treatment waste water of any fabric)
(3) kiering, disposable completing is bleached;
3) comparing result:
1, every 3000 meters of grey cloths minimizing chemicals uses 50 kilograms;
2, fresh water 1000 kilograms saved by every 3000 meters of grey cloths;
3, every 3000 meters of grey cloths reduce discharge of wastewater 1000 kilograms;
4) process results meets pre-treating technology requirement.
Although preferred embodiment discloses as above by the present invention; so itself and be not used to limit content of the present invention; anyly be familiar with this those skilled in the art; not departing from main spirits of the present invention and context; when doing various change and retouching, the protection domain therefore invented should be as the criterion with the basic right claimed range applied for a patent.
Claims (10)
1. a dyeing waste water regeneration catalyst, be made up of the inventory of following percentage by weight: nano-titanium oxide 0.1% ~ 3%, alkali protease 12% ~ 18%, sodium metasilicate 23% ~ 45%, sodium acid carbonate 3% ~ 5%, SODIUM PERCARBONATE 6% ~ 12%, sodium carbonate 5% ~ 10%, all the other are water; Wherein, the particle diameter of nano-titanium oxide is 45 ~ 80nm.
2. a kind of dyeing waste water regeneration catalyst according to claim 1, it is characterized in that: described dyeing waste water regeneration catalyst, be made up of the inventory of following percentage by weight: nano-titanium oxide 1.5%, alkali protease 17%, sodium metasilicate 29%, sodium acid carbonate 3.5%, SODIUM PERCARBONATE 10%, sodium carbonate 8%, all the other are water.
3. a kind of dyeing waste water regeneration catalyst according to claim 1, it is characterized in that: described dyeing waste water regeneration catalyst, be made up of the inventory of following percentage by weight: nano-titanium oxide 2.8%, alkali protease 17.8%, sodium metasilicate 25%, sodium acid carbonate 4.8%, SODIUM PERCARBONATE 9%, sodium carbonate 8.4%, all the other are water.
4. a dyeing waste water regeneration catalyst, be made up of the inventory of following percentage by weight: nano-titanium oxide 0.1% ~ 3%, alkali protease 12% ~ 18%, laccase 1% ~ 5%, sodium metasilicate 23% ~ 45%, sodium acid carbonate 3% ~ 5%, SODIUM PERCARBONATE 6% ~ 12%, sodium carbonate 5% ~ 10%, all the other are water; Wherein, the particle diameter of nano-titanium oxide is 45 ~ 80nm.
5. a kind of dyeing waste water regeneration catalyst according to claim 4, it is characterized in that: described dyeing waste water regeneration catalyst, be made up of the inventory of following percentage by weight: nano-titanium oxide 2.5%, alkali protease 13%, laccase 2%, sodium metasilicate 42%, sodium acid carbonate 2.5%, SODIUM PERCARBONATE 8%, sodium carbonate 6%, all the other are water.
6. a kind of dyeing waste water regeneration catalyst according to claim 4, it is characterized in that: described dyeing waste water regeneration catalyst, be made up of the inventory of following percentage by weight: nano-titanium oxide 1.8%, alkali protease 14%, laccase 3.2%, sodium metasilicate 26%, sodium acid carbonate 4.5%, SODIUM PERCARBONATE 8.5%, sodium carbonate 7%, all the other are water.
7. the preparation method of a kind of dyeing waste water regeneration catalyst according to claim 1, step is as follows:
Feeding intake as following weight percent: nano-titanium oxide 0.1% ~ 3%, alkali protease 12% ~ 18%, sodium metasilicate 23% ~ 45%, sodium acid carbonate 3% ~ 5%, SODIUM PERCARBONATE 6% ~ 12%, sodium carbonate 5% ~ 10%, all the other are water;
A) dispersion of nano-titanium oxide
Nano-titanium oxide is added aqueous dispersion 5 ~ 30 minutes under the condition of 10000 ~ 35000 revs/min; Then add alkali protease and under the condition of 10 ~ 60 DEG C homogeneous stir 5 ~ 30 minutes; Then add sodium acid carbonate to continue to stir, the colloidal solution obtained is for subsequent use by strainer;
B) without the compound of powder
Under the stirring condition of 50 ~ 100 revs/min, mix sodium metasilicate and SODIUM PERCARBONATE, stir 5 ~ 30 minutes, then drench into above-mentioned colloidal solution, homogeneous is for subsequent use after stirring;
C) granulation synthesis
The discharging particle diameter of adjustment powder granulator is 0.6mm, adds the material that above-mentioned compound is good, adds sodium carbonate and adjusted to ph to 12 ~ 13, continues homogeneous and stirs 10 ~ 30 minutes, become graininess discharging through strainer homogeneous.
8. the preparation method of a kind of dyeing waste water regeneration catalyst according to claim 4, the percentage that feeds intake is: nano-titanium oxide 0.1% ~ 3%, alkali protease 12% ~ 18%, laccase 1% ~ 5%, sodium metasilicate 23% ~ 45%, sodium acid carbonate 3% ~ 5%, SODIUM PERCARBONATE 6% ~ 12%, sodium carbonate 5% ~ 10%, and all the other are water;
Feed intake according to above-mentioned, step is a) as follows:
A) dispersion of nano-titanium oxide
Nano-titanium oxide is added aqueous dispersion 5 ~ 30 minutes under the condition of 10000 ~ 35000 revs/min; Then add alkali protease and under the condition of 10 ~ 60 DEG C homogeneous stir 5 ~ 30 minutes; Then add laccase, sodium acid carbonate continues to stir, the colloidal solution obtained is for subsequent use by strainer.
9. the application of a kind of dyeing waste water regeneration catalyst according to claim 1 in fabric pretreatment technique.
10. the application of a kind of dyeing waste water regeneration catalyst according to claim 9 in fabric pretreatment technique, is characterized in that: described fabric is woven fabric or knitted fabric.
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|---|---|---|---|---|
| US4435307A (en) * | 1980-04-30 | 1984-03-06 | Novo Industri A/S | Detergent cellulase |
| CN101012623A (en) * | 2007-01-30 | 2007-08-08 | 厦门光达融通科技有限公司 | Nano-biological enzyme additive and device and method for making same |
| CN101336318A (en) * | 2006-01-24 | 2008-12-31 | 金星制纸株式会社 | Nonwoven fabric sheet having cleaning function |
| CN103132336A (en) * | 2011-11-27 | 2013-06-05 | 西安瑞捷生物科技有限公司 | Nanometer bio-enzyme treating agent |
-
2013
- 2013-06-17 CN CN201310239141.4A patent/CN103331178B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4435307A (en) * | 1980-04-30 | 1984-03-06 | Novo Industri A/S | Detergent cellulase |
| CN101336318A (en) * | 2006-01-24 | 2008-12-31 | 金星制纸株式会社 | Nonwoven fabric sheet having cleaning function |
| CN101012623A (en) * | 2007-01-30 | 2007-08-08 | 厦门光达融通科技有限公司 | Nano-biological enzyme additive and device and method for making same |
| CN103132336A (en) * | 2011-11-27 | 2013-06-05 | 西安瑞捷生物科技有限公司 | Nanometer bio-enzyme treating agent |
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