CN106554653A - A kind of environment-friendly type waste paper deinking agent and preparation method thereof - Google Patents
A kind of environment-friendly type waste paper deinking agent and preparation method thereof Download PDFInfo
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- CN106554653A CN106554653A CN201510631664.2A CN201510631664A CN106554653A CN 106554653 A CN106554653 A CN 106554653A CN 201510631664 A CN201510631664 A CN 201510631664A CN 106554653 A CN106554653 A CN 106554653A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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Abstract
The present invention discloses a kind of environment-friendly type waste paper deinking agent and preparation method thereof, it is characterised in that be made up of the raw material of following weight portion：Sodium silicate 20-30 parts, sodium hydroxide 10-15 parts, Sodium Chloride 2-10 part, glycerol 10-15 parts, dodecyl sodium sulfate 5-10 parts, polyvinyl alcohol 2-8 parts, epoxy prapanol 10-15 parts, hydrogen peroxide 4-12 parts, polyacrylamide 5-8 parts, acrylic acid 6-9 parts, Borax 2-8 parts, acid polyethylene sodium 2-5 parts, deionized water 100-150 parts.The deinking agent has the advantage that：（1）Being not used any has volatile Organic Ingredientss, operator to avoid healthy being compromised by only needing simple safeguard procedures；（2）Preparation process is simple, easy to use；（3）Deinking ability is strong, has extremely strong capacity of decomposition, and its deinking principle just for ink itself to the ink of Multiple components, the fibre composition of paper will not be damaged, it is ensured that the recycle value of paper pulp；（4）Cheap, raw material acquiring way extensively, is conducive to large-scale use.
Description
Technical field
The invention belongs to environment-friendly materials manufacturing technology field, and in particular to a kind of environment-friendly type waste paper deinking agent and preparation method thereof.
Background technology
Waste paper is important Renewable resource, the recycling of waste paper be solve paper industry face that there is lack of raw materials, the effective way of energy shortage and the three big problems such as seriously polluted.Near the utilization of waste paper resources is paid much attention in countries in the world during the last ten years, and the response rate and utilization rate of waste paper increase year by year, and the technology for processing waste paper is updated and perfect, is also increased year by year with the yield and kind of paper made by secondary stock and cardboard.Nineteen ninety-five world's paper pulp total output is 2.91 hundred million t.According to the United Nations and the World Food Programme, it is expected that whole world paper in 2010 and cardboard consumption are 4.79 hundred million t, 68kg, waste paper utilization rate 50.9% are consumed per capita.
China needs large quantities of from external import life waste paper every year.The waste paper amount of domestic paper mill import increases by 24.4% than the same period in 1999 in trend, 19.3 ten thousand t of first quarter Guangdong Province port imported waste paper in 2000 is increased year by year；And 78.9 ten thousand t of import in 1999, increased by 86.2% than 1998 years.The first half of the year in 2000, China increased 42.78% than 115.92 ten thousand t of the same period in 1999 altogether from 165.50 ten thousand t of external import waste paper.
According to statistics, annual about 35,000,000 t of China's paper consumption figure, calculate with discarded 1/3rd, and the waste paper of annual recoverable is up to more than ten million ton, but actual recovered utilization rate is not high.In Shanghai, the annual recuperable waste paper amount in the whole city there are about 700,000 t, but can only actually receive 100,000 t, the response rate only 14% or so.If can effectively be sorted to the paper in municipal refuse, or categorised collection work carried out in the source produced in rubbish, will greatly improve the resource utilization rate of waste and old paper in municipal refuse.
At present, deinking chemicals widely used both at home and abroad are mainly NaOH, Na2SiO3、H2O, EDTA and some surfactants etc..But, with the development and the appearance of various different quality ink of new printing technology, deinking becomes more and more difficult.Therefore, develop multicomponent, many effects, low stain, the deinking agent for easily using to have very important significance the recycling of resource and the protection of environment.
A kind of Chinese patent 201510190159.9, it is proposed that deinking agent.Its synthesis material is：Polyetherimide, polyacrylamide, three-dimensional grapheme, anthraquinone, NPE, sodium alginate, epoxy prapanol, sodium polyacrylate, dodecyl sodium sulfate, attapulgite, Sodium Chloride etc..The deinking agent proposed by the invention is less to fiber damage in deinking process, and deinking efficiency is good, can lift the utilizability of the waste paper after processing.But the deinking agent synthesis material is complicated, and the raw material such as NPE therein has strong volatility and to the toxic effect of human body, and the waste liquid produced in its building-up process also can produce destruction to water quality, be not appropriate for large-scale application.
A kind of Chinese patent 201510193123.6, it is proposed that energy-conserving and environment-protective deinking agent.Its using raw material mainly have：Acetylene carbon black, tetrahydrofuran, citric acid, resin copolymer, polyacrylamide, PAMC, sodium alginate, Polyethylene Glycol, zirconium oxide whisker, Borax etc..The deinking agent proposed by the invention, with energy-conserving and environment-protective, to water quality and less environmental effect the features such as.But its deinking ability is extremely limited, may be only available for certain types of ink.And its deinking process also can decompose to compositions such as the resins in paper pulp, so as to damage to the fiber of paper, the reduction into the waste paper response rate is so not only made, while the reclaim paper ruggedness after deinking is processed declines.
The content of the invention
For the deficiencies in the prior art, the present invention proposes a kind of environment-friendly type waste paper deinking agent and preparation method thereof.The method is using raw material that is cheap and being easier to acquisition, and will not cause any harm to human body and environment in the course of processing, and processing cost is very cheap.
Environment-friendly type waste paper deinking agent provided by the present invention is made up of the raw material of following parts by weight：
Sodium silicate 20-30 parts, sodium hydroxide 10-15 parts, Sodium Chloride 2-10 part, glycerol 10-15 parts, dodecyl sodium sulfate 5-10 parts, polyvinyl alcohol 2-8 parts, epoxy prapanol 10-15 parts, hydrogen peroxide 4-12 parts, polyacrylamide 5-8 parts, acrylic acid 6-9 parts, Borax 2-8 parts, acid polyethylene sodium 2-5 parts, deionized water 100-150 parts.
The preparation process of environment-friendly type waste paper deinking agent of the present invention is：
（1）Other raw materials except sodium hydroxide in addition to hydrogen peroxide are mixed homogeneously under room temperature；
（2）To step（1）In add sodium hydroxide, adjustment mixed liquor pH value to 8.0-8.5 in the solution that mixes；
（3）Deinking before processing is carried out, to step（2）In add hydrogen peroxide in the mixed liquor that obtains.
The invention has the beneficial effects as follows：Environment-friendly type waste paper deinking agent provided by the present invention has the advantage that：（1）Raw material is environment friendly and pollution-free, and being not used any has volatile Organic Ingredientss, operator to avoid healthy being compromised by only needing simple safeguard procedures；（2）Preparation process is simple and convenient, and it is meta-alkalescence only to need simply to mix and adjust its pH value most of raw material, adds hydrogen peroxide as needed using front；（3）Deinking ability is strong, has extremely strong capacity of decomposition, and its deinking principle just for ink itself to the ink of Multiple components, the fibre composition of paper will not be damaged, it is ensured that the recycle value of paper pulp；（4）Cheap, raw material acquiring way extensively, is conducive to large-scale use.
Specific embodiment
Embodiment 1.
Environment-friendly type waste paper deinking agent mentioned by the embodiment is made up of the raw material of following weight fraction：
25 parts of sodium silicate, 13 parts of sodium hydroxide, 6 parts of Sodium Chloride, 11 parts of glycerol, 5 parts of dodecyl sodium sulfate, 4 parts of polyvinyl alcohol, 15 parts of epoxy prapanol, 7 parts of hydrogen peroxide, 6 parts of polyacrylamide, 7 parts of acrylic acid, 5 parts of Borax, 3 parts of acid polyethylene sodium, 150 parts of deionized water.
Preparation method is：
（1）Other raw materials except sodium hydroxide in addition to hydrogen peroxide are mixed homogeneously under room temperature；
（2）To step（1）In add sodium hydroxide, adjustment mixed liquor pH value to 8.0-8.5 in the solution that mixes；
（3）Deinking before processing is carried out, to step（2）In add hydrogen peroxide in the mixed liquor that obtains.
Embodiment 2.
Environment-friendly type waste paper deinking agent mentioned by the embodiment is made up of the raw material of following weight fraction：
20 parts of sodium silicate, 12 parts of sodium hydroxide, 3 parts of Sodium Chloride, 10 parts of glycerol, 8 parts of dodecyl sodium sulfate, 5 parts of polyvinyl alcohol, 15 parts of epoxy prapanol, 9 parts of hydrogen peroxide, 8 parts of polyacrylamide, 9 parts of acrylic acid, 7 parts of Borax, 2 parts of acid polyethylene sodium, 150 parts of deionized water.
Preparation method is：
（1）Other raw materials except sodium hydroxide in addition to hydrogen peroxide are mixed homogeneously under room temperature；
（2）To step（1）In add sodium hydroxide, adjustment mixed liquor pH value to 8.0-8.5 in the solution that mixes；
（3）Deinking before processing is carried out, to step（2）In add hydrogen peroxide in the mixed liquor that obtains.
Embodiment 3.
Environment-friendly type waste paper deinking agent mentioned by the embodiment is made up of the raw material of following weight fraction：
30 parts of sodium silicate, 15 parts of sodium hydroxide, 10 parts of Sodium Chloride, 12 parts of glycerol, 9 parts of dodecyl sodium sulfate, 8 parts of polyvinyl alcohol, 10 parts of epoxy prapanol, 4 parts of hydrogen peroxide, 5 parts of polyacrylamide, 6 parts of acrylic acid, 3 parts of Borax, 5 parts of acid polyethylene sodium, 150 parts of deionized water.
Preparation method is：
（1）Other raw materials except sodium hydroxide in addition to hydrogen peroxide are mixed homogeneously under room temperature；
（2）To step（1）In add sodium hydroxide, adjustment mixed liquor pH value to 8.0-8.5 in the solution that mixes；
（3）Deinking before processing is carried out, to step（2）In add hydrogen peroxide in the mixed liquor that obtains.
Claims (2)
1. a kind of environment-friendly type waste paper deinking agent, it is characterised in that be made up of the raw material of following weight portion：Sodium silicate 20-30 parts, sodium hydroxide 10-15 parts, Sodium Chloride 2-10 part, glycerol 10-15 parts, dodecyl sodium sulfate 5-10 parts, polyvinyl alcohol 2-8 parts, epoxy prapanol 10-15 parts, hydrogen peroxide 4-12 parts, polyacrylamide 5-8 parts, acrylic acid 6-9 parts, Borax 2-8 parts, acid polyethylene sodium 2-5 parts, deionized water 100-150 parts.
2. a kind of environment-friendly type waste paper deinking agent according to claim 1, it is characterised in that be made up of step in detail below：
（1）Other raw materials except sodium hydroxide in addition to hydrogen peroxide are mixed homogeneously under room temperature；
（2）To step（1）In add sodium hydroxide, adjustment mixed liquor pH value to 8.0-8.5 in the solution that mixes；
（3）Deinking before processing is carried out, to step（2）In add hydrogen peroxide in the mixed liquor that obtains.
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| CN201510631664.2A CN106554653A (en) | 2015-09-29 | 2015-09-29 | A kind of environment-friendly type waste paper deinking agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287957A (en) * | 2017-07-20 | 2017-10-24 | 西安理工大学 | A kind of order nanometer waste paper fibre and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287957A (en) * | 2017-07-20 | 2017-10-24 | 西安理工大学 | A kind of order nanometer waste paper fibre and preparation method thereof |
| CN107287957B (en) * | 2017-07-20 | 2019-01-11 | 西安理工大学 | A kind of order nanometer waste paper fibre and preparation method thereof |
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Application publication date: 20170405 |