CN103331178A - Printing and dyeing wastewater reclamation and reuse catalyst and preparation method and application thereof - Google Patents
Printing and dyeing wastewater reclamation and reuse catalyst and preparation method and application thereof Download PDFInfo
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Abstract
The invention relates to a printing and dyeing wastewater reclamation and reuse catalyst. The printing and dyeing wastewater reclamation and reuse catalyst comprises the following components in percentage by weight: 0.1 to 3% of nano-titania, 12 to 18% of alkaline protease, 23 to 45% of sodium silicate, 3 to 5% of sodium bicarbonate, 6 to 12% of sodium percarbonate, 5 to 10% of sodium carbonate, and the balance of water. The printing and dyeing wastewater reclamation and reuse catalyst provided by the invention can be applied to a fabric pretreatment process together with the wastewater generated in the pretreatment process stage of a printing and dyeing plant, thus the production cost can be decreased; and more importantly, the dosage of fresh water can be decreased, and the volume of drained wastewater generated in pretreatment is decreased, so that an important practical significance is shown on reducing environmental pollution and easing the problem of the shortage of water resource.
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
The insider knows, textile printing and dyeing industry is that China's water consumption is big, one of industry that wastewater discharge is more, especially the pre-treatment kiering stage waste water of printing and dyeing is maximum, the discharge capacity maximum, account for the 70-80% of dyeing and increasing year by year, the national environmental protection policy is also strict day by day, 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, contain foreign material such as a large amount of polyvinyl alcohol (PVA) and acrylate and starch size and cellulose impurities, wax, cottonseed, pectin, pigment, grease, not treated direct discharging meeting heavy damage polluted-water and ecological environment.
Therefore, how can effectively transform existing waste water resource, turn waste into wealth, be the major issue that needs solution at present.
In existing treatment of dyeing wastewater field, advanced " dyeing waste water focuses on method " arranged, namely set up large-scale waste water processing station, require each printing and dyeing enterprise waste water to be included into pipe network, the unified processing, but the waste water processing station occupation of land is bigger, apparatus expensive, processing cost is bigger, and mostly dyeing mill wastewater COD concentration index does not reach into the pipe network requirement, 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 also only are confined to wastewater treatment is become to meet the water of environment protection emission, and the water after this processing can not be back to the fabric pretreatment operation again.Therefore, existing method of wastewater treatment can not utilize the 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 is used for the fabric pretreatment operation in conjunction with the waste water in printing and dyeing mill's pretreatment procedure stage, so not only can reduce production costs, the more important thing is the consumption that can reduce fresh water, reduce the pre-treatment discharged waste water, to alleviating environmental pollution, alleviate the 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, formed by following components in weight percentage: 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, formed by following components in weight percentage: 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, be made up of following components in weight percentage: 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.
Described dyeing waste water regeneration catalyst, be made up of following components in weight percentage: 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.
Described dyeing waste water regeneration catalyst, be made up of following components in weight percentage: 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.
Described dyeing waste water regeneration catalyst, be made up of following components in weight percentage: 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.
The concrete pH of described alkali protease is 9-13.
Another object of the present invention is to provide a kind of dyeing waste water regeneration Preparation of catalysts method, 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 10000～35000 rev/mins condition; Add alkali protease then and under 10～60 ℃ condition homogeneous stirred 5～30 minutes; Then add sodium acid carbonate and continue to stir, resulting colloidal solution is standby by strainer;
B) no dust body is compound
Mix sodium metasilicate and SODIUM PERCARBONATE under 50～100 rev/mins stirring condition, stirred 5～30 o'clock minutes, drench above-mentioned colloidal solution again, it is standby that homogeneous stirs the back;
C) granulation is synthetic
The discharging particle diameter of adjusting the powder comminutor is 0.6mm, adds above-mentioned compound good material, adds sodium carbonate and adjusts pH value to 12～13, continues homogeneous and stirs 10～30 minutes, becomes the graininess discharging through the 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 10000～35000 rev/mins condition; Add alkali protease then and under 10～60 ℃ condition homogeneous stirred 5～30 minutes; Then add laccase, sodium acid carbonate continues to stir, resulting colloidal solution by strainer standby.
A further object of the present invention is to provide the application of a kind of dyeing waste water regeneration catalyst in fabric pretreatment technology.
Described fabric pretreatment technology comprises that destarch, refining, the bleaching of fabric handled.
Dyeing waste water regeneration catalyst provided by the invention is same as common fabric pretreatment agent.It is added on the cotton that namely becomes high-quality in the waste water and the dyeing pretreating reagent of blend fabric, can remove the grease in the fiber, cured matter, cotton seed hulls and other impurity fast, to fiber not burn into do not damage, especially outstanding is, also can increase the concise whiteness of fabric simultaneously, make its destarch, refining, bleaching at same equipment, same treatment fluid is finished in the same technology.Needn't add caustic soda, hydrogen peroxide and other chemical assistant again during use, can satisfy every specification requirement of printing and dyeing pre-treatment, its effect is very obvious.In addition, can also handle nearly all cellulose fibre such as cotton and scribbled thereof, woven fabric, knitted fabric and products thereof.Under the situation that does not change existing equipment, with the plain mode of direct adding, dyeing destarch truly, concise, the disposable environmental protection equalization of finishing of bleaching have been realized.
Dyeing waste water regeneration catalyst provided by the invention is used for the fabric pretreatment operation in conjunction with the waste water in printing and dyeing mill's pretreatment procedure stage; the caustic soda that alternative traditional handicraft is used; hydrogen peroxide and all kinds of chemical assistant; and as the novel pretreating reagent in textile industry field; under the condition that does not change existing equipment; do not re-use caustic soda; also needn't use hydrogen peroxide and all kinds of chemical assistant; directly adopt waste water to add catalyst of the present invention and can satisfy the production and technical indication requirement; and make processed fabric not be subjected to caustic soda; the damage of hydrogen peroxide and chemical element pollute, and realize that output is nontoxic; harmless; pollution-free; the textile product that does not have the ecological, environmental protective green of harmful chemical element.
Compared with prior art, good effect of the present invention is as follows:
1, catalyst of the present invention makes dyeing waste water obtain regeneration by being used in combination with dyeing waste water, has reduced fresh water consumption and wastewater discharge, has alleviated the wastewater treatment burden, has reduced the printing and dyeing enterprise production cost;
2, this method for preparing catalyst is simple, and the raw material convenient sources can be finished in common apparatus, and environmentally friendly, nuisanceless, has good economic benefit;
3, under the condition that does not change existing equipment, simplify and shortened technological process, improved the original equipment utilization rate, avoided equipment corrosion and to the damage of fabric;
4, the workshop does not have caustic soda, hydrogen peroxide is deposited and pollute, to equipment, the person is harmless injures infringement, has realized nontoxic, harmless, pollution-free, as not have harmful chemical element ecological, environmental protective equalization.
Description of drawings
Fig. 1 is the process flow diagram of dyeing waste water regeneration catalyst of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
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 the high shear dispersion machine, under 10000 rev/mins condition, add water and disperseed 10 minutes; Move to the homogeneous mixing plant then, add alkali protease and under 20 ℃ condition homogeneous stirred 15 minutes; Slowly reduce revolution to 80 rev/min again, add sodium acid carbonate and continue to stir, resulting colloidal solution is standby by strainer;
B) no dust body is compound:
Start the homogeneous mixer, slowly add sodium metasilicate, SODIUM PERCARBONATE and stirred 15 minutes under 60 rev/mins condition, slowly drench above-mentioned colloidal solution again, it is standby that homogeneous stirs the back;
C) granulation is synthetic:
Start the powder comminutor, adjust the homogeneous granulation state that enters, adjusting the discharging particle diameter is 0.6mm, slowly adds above-mentioned compound good material, adds sodium carbonate and adjusts pH value to 12～13, continues homogeneous and stirs 20 minutes, becomes the graininess discharging through the 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 the high shear dispersion machine, under 25000 rev/mins condition, add water and disperseed 5 minutes; Move to the homogeneous mixing plant then, add alkali protease and under 15 ℃ condition homogeneous stirred 20 minutes; Slowly reduce revolution to 60 rev/min again, add sodium acid carbonate and continue to stir, resulting colloidal solution is standby by strainer;
B) no dust body is compound:
Start the homogeneous mixer, slowly add sodium metasilicate, SODIUM PERCARBONATE and stirred 10 minutes under 80 rev/mins condition, slowly drench above-mentioned colloidal solution again, it is standby that homogeneous stirs the back;
C) granulation is synthetic:
Start the powder comminutor, adjust the homogeneous granulation state that enters, adjusting the discharging particle diameter is 0.6mm, slowly adds above-mentioned compound good material, adds sodium carbonate and adjusts pH value to 12～13, continues homogeneous and stirs 15 minutes, becomes the graininess discharging through the 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 the high shear dispersion machine, under 20000 rev/mins condition, add water and disperseed 25 minutes; Move to the homogeneous mixing plant then, add alkali protease and under 40 ℃ condition homogeneous stirred 25 minutes; Add laccase then and under 300 rev/mins condition, just changeing 30 minutes, reversed again 25 minutes; Slowly reduce revolution to 50 rev/min again, add sodium acid carbonate and continue to stir, resulting colloidal solution is standby by strainer;
B) no dust body is compound:
Start the homogeneous mixer, slowly add sodium metasilicate, SODIUM PERCARBONATE and stirred 30 minutes under 90 rev/mins condition, slowly drench above-mentioned colloidal solution again, it is standby that homogeneous stirs the back;
C) granulation is synthetic:
Start the powder comminutor, adjust the homogeneous granulation state that enters, adjusting the discharging particle diameter is 0.6mm, slowly adds above-mentioned compound good material, adds sodium carbonate and adjusts pH value to 12～13, continues homogeneous and stirs 10 minutes, becomes the graininess discharging through the 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 the high shear dispersion machine, under 30000 rev/mins condition, add water and disperseed 30 minutes; Move to the homogeneous mixing plant then, add alkali protease and under 60 ℃ condition homogeneous stirred 10 minutes; Add laccase then and under 450 rev/mins condition, just changeing 60 minutes, reversed again 60 minutes; Slowly reduce revolution to 70 rev/min again, add sodium acid carbonate and continue to stir, resulting colloidal solution is standby by strainer;
B) no dust body is compound:
Start the homogeneous mixer, slowly add sodium metasilicate, SODIUM PERCARBONATE and stirred 20 minutes under 50 rev/mins condition, slowly drench above-mentioned colloidal solution again, it is standby that homogeneous stirs the back;
C) granulation is synthetic:
Start the powder comminutor, adjust the homogeneous granulation state that enters, adjusting the discharging particle diameter is 0.6mm, slowly adds above-mentioned compound good material, adds sodium carbonate and adjusts pH value to 12～13, continues homogeneous and stirs 30 minutes, becomes the graininess discharging through the 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 the high shear dispersion machine, under 35000 rev/mins condition, add water and disperseed 20 minutes; Move to the homogeneous mixing plant then, add alkali protease and under 30 ℃ condition homogeneous stirred 30 minutes; Add laccase then and under 100 rev/mins condition, just changeing 40 minutes, reversed again 40 minutes; Slowly reduce revolution to 90 rev/min again, add sodium acid carbonate and continue to stir, resulting colloidal solution is standby by strainer;
B) no dust body is compound:
Start the homogeneous mixer, slowly add sodium metasilicate, SODIUM PERCARBONATE and stirred 5 minutes under 70 rev/mins condition, slowly drench above-mentioned colloidal solution again, it is standby that homogeneous stirs the back;
C) granulation is synthetic:
Start the powder comminutor, adjust the homogeneous granulation state that enters, adjusting the discharging particle diameter is 0.6mm, slowly adds above-mentioned compound good material, adds sodium carbonate and adjusts pH value to 12～13, continues homogeneous and stirs 25 minutes, becomes the graininess discharging through the 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 the high shear dispersion machine, under 15000 rev/mins condition, add water and disperseed 15 minutes; Move to the homogeneous mixing plant then, add alkali protease and under 50 ℃ condition homogeneous stirred 5 minutes; Slowly reduce revolution to 75 rev/min again, add sodium acid carbonate and continue to stir, resulting colloidal solution is standby by strainer;
B) no dust body is compound:
Start the homogeneous mixer, slowly add sodium metasilicate, SODIUM PERCARBONATE and stirred 25 minutes under 100 rev/mins condition, slowly drench above-mentioned colloidal solution again, it is standby that homogeneous stirs the back;
C) granulation is synthetic:
Start the powder comminutor, adjust the homogeneous granulation state that enters, adjusting the discharging particle diameter is 0.6mm; slowly add above-mentioned compound good material; add an amount of sodium carbonate and adjust pH value to 12～13, continue homogeneous and stirred 25 minutes, become the graininess discharging through the strainer homogeneous.
Application Example 1
The contrast of knitted fabric pre-treating technology
1) former traditional handicraft:
Handle fabric 100 kilograms (knitted fabrics) and need to add following material:
(1) chemical assistant: 2 kilograms in caustic soda, 7 kilograms in hydrogen peroxide, 2 kilograms of hydrogen peroxide stabilizers, 1 kilogram of refining agent, 1 kilogram of bleeding agent, 1 kilogram of degreaser;
(2) change the material water consumption: 1000 kilograms (fresh water)
2) use the product of embodiment 1-6 to carry out the wastewater regenerating and recycling processing:
Handle fabric 100 kilograms (knitted fabrics) and only need add following material:
(1) embodiment product 2-5 kilogram; (needn't add other chemical assistant again);
(2) change 1000 kilograms of waste water of material; (needn't use the kiering of fresh aquation material, the pre-treatment waste water of any fabric all can)
3) comparing result:
1, per hundred kilograms of grey cloths reduce 10 kilograms of chemicals uses;
2, per hundred kilograms of grey cloths are saved 1000 kilograms of fresh waters;
3, per hundred kilograms of grey cloths reduce 1000 kilograms of discharge of wastewater;
4) process results satisfies the pre-treating technology requirement.
Application Example 2
The contrast of woven fabric pre-treating technology
1) former traditional handicraft:
Handle fabric 3000 meters (woven grey cloths) and need to add following material:
(1) chemical assistant: 60 kilograms in caustic soda, 25 kilograms in hydrogen peroxide, 5 kilograms of hydrogen peroxide stabilizers, 4 kilograms of refining agents, 4 kilograms of bleeding agents, 4 kilograms of chelating agents;
(2) kiering water consumption: 500 kilograms (fresh water)
(3) bleaching aqueous amount: 500 kilograms (fresh water)
2) use the product of embodiment 1-6 to carry out the wastewater regenerating and recycling processing:
Handle fabric 3000 meters (woven grey cloths) and only need add following material:
(1) product 35-50 kilogram of the present invention; (needn't add other chemical assistant again);
(2) change 500 kilograms of waste water of material; (needn't use the kiering of fresh aquation material, the pre-treatment waste water of any fabric all can)
(3) kiering, disposable the finishing of bleaching;
3) comparing result:
1, per 3000 meters grey cloths reduce 50 kilograms of chemicals uses;
2, per 3000 meters grey cloths are saved 1000 kilograms of fresh waters;
3, per 3000 meters grey cloths reduce 1000 kilograms of discharge of wastewater;
4) process results satisfies the pre-treating technology requirement.
Though the present invention discloses preferred embodiment as above; so it is not in order to limit content of the present invention; anyly be familiar with this skill person; in not breaking away from main spirit of the present invention and context; when doing various changes and retouching, therefore the protection domain of invention should be as the criterion with the basic right claimed range of applying for a patent.
Claims (10)
1. dyeing waste water regeneration catalyst, formed by following components in weight percentage: 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, formed by following components in weight percentage: 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.
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 following components in weight percentage: 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.
4. 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 following components in weight percentage: 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.
5. a kind of dyeing waste water regeneration catalyst according to claim 2, it is characterized in that: described dyeing waste water regeneration catalyst, be made up of following components in weight percentage: 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 2, it is characterized in that: described dyeing waste water regeneration catalyst, be made up of following components in weight percentage: 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. a kind of dyeing waste water regeneration Preparation of catalysts method 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 10000～35000 rev/mins condition; Add alkali protease then and under 10～60 ℃ condition homogeneous stirred 5～30 minutes; Then add sodium acid carbonate and continue to stir, resulting colloidal solution is standby by strainer;
B) no dust body is compound
Mix sodium metasilicate and SODIUM PERCARBONATE under 50～100 rev/mins stirring condition, stirred 5～30 o'clock minutes, drench above-mentioned colloidal solution again, it is standby that homogeneous stirs the back;
C) granulation is synthetic
The discharging particle diameter of adjusting the powder comminutor is 0.6mm, adds above-mentioned compound good material, adds sodium carbonate and adjusts pH value to 12～13, continues homogeneous and stirs 10～30 minutes, becomes the graininess discharging through the strainer homogeneous.
8. a kind of dyeing waste water regeneration Preparation of catalysts method according to claim 7, it is characterized in that: 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 a) is as follows:
A) dispersion of nano-titanium oxide
Nano-titanium oxide is added aqueous dispersion 5～30 minutes under 10000～35000 rev/mins condition; Add alkali protease then and under 10～60 ℃ condition homogeneous stirred 5～30 minutes; Then add laccase, sodium acid carbonate continues to stir, resulting colloidal solution by strainer standby.
9. the application of a kind of dyeing waste water regeneration catalyst according to claim 1 in fabric pretreatment technology.
10. the application of a kind of dyeing waste water regeneration catalyst according to claim 9 in fabric pretreatment technology 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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