CN1219627A - Method for extracting paper pulp and aluminium foil from waste aluminium foil paper - Google Patents
Method for extracting paper pulp and aluminium foil from waste aluminium foil paper Download PDFInfo
- Publication number
- CN1219627A CN1219627A CN97108340A CN97108340A CN1219627A CN 1219627 A CN1219627 A CN 1219627A CN 97108340 A CN97108340 A CN 97108340A CN 97108340 A CN97108340 A CN 97108340A CN 1219627 A CN1219627 A CN 1219627A
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- China
- Prior art keywords
- aluminium foil
- paper
- water
- stirring pool
- stirring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- Paper (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A process for extracting paper pulp and aluminium foil from waste aluminium foil paper includes immersing and stirring in water pool to which three chemicals are added.
Description
The present invention is a kind of method of extracting paper pulp and aluminium foil from waste aluminium foil paper.
At present generally adopt aluminium-foil paper to pack in many industries of China, particularly tobacco business is just more.Many side cut waste aluminium foil papers in use just occurred, also had the recyclable utilization of aluminium-foil paper in a large amount of empty cigarette cases, common way is that they are made coarse yellow plate paper.Like this, the shortcoming of doing is exactly that aluminium foil in the waste paper and high-grade blank sheet of paper slurry do not obtain gram and divide and utilize and reclaim, and has been slatterned in vain.
Purpose of the present invention just provides a kind of method of extracting paper pulp and aluminium foil from waste aluminium foil paper, and it can save natural resources so that high-grade paper pulp and aluminium foil in the waste aluminium foil paper are used more effectively, and reduces environmental pollution.
The present invention adopts following steps to realize: at first prepare a fermentation vat, put into clear water in the pond, also can put into 85 ℃-95 ℃ hot water, but fermentation vat also can be made the heating type structure or heat up with steam.Prepare a stirring pool again, in stirring pool, be provided with stirring vane, in stirring pool, also be placed with clear water, in the clear water of stirring pool, also be added with the release agent of a certain amount of sodium carbonate (soda ash) as aluminium foil and paper, its addition is the 1%-1.5% of water weight, also adds the come-up agent that a certain amount of calcium hydroxide (limewash) is made aluminium foil in water.Its addition is to make the pH value of the water in the stirring pool get final product between 10-12.Elsewhere, add a certain amount of sodium metasilicate again as the protective agent of metal and the precipitating agent of paper pulp in water, its addition is the 0.02%-0.03% of water weight.
Its leaching process is such: waste aluminium foil paper is poured into to fill in the pond of soaking water soaked about 5-10 minute, aluminium foil is separated with paper, then, soaked waste aluminium foil paper poured into to fill in the stirring pool for preparing chemicals stirred 10-15 minute, under the effect of stirring vane and liquid medicine, make the paper separate break into below paper pulp sinks to, and above the aluminium foil of separating floats over, the aluminium foil that floats over top is pulled out, and the paper pulp that will sink to the bottom is emitted from the plasma discharge mouth and is got final product.
The easy expense of method that advantage of the present invention just is from waste aluminium foil paper to separate high-quality paper pulp and aluminium foil is low, the separation purity height, and the paper pulp of separating can be manufactured the high-quality paper again, aluminium foil can be worn into aluminium powder or cast aluminium ingot and use, the benefit of doing like this, the value that just is waste product improves greatly, also can save a large amount of natural resources slurries (forest and mineral products).
Further specify the present invention with embodiment below.
At first be to prepare 2 kinds of ponds, a kind of is the fermentation vat that is used to soak waste aluminium foil paper, put into the clear water that soaks usefulness in the pond, but also usable temp is made the heating type structure at 85 ℃-95 ℃ hot water or with fermentation vat.In addition, make a stirring pool again, bottom at stirring pool has grout outlet, the movable blade that is used to stir is housed in the pond, in stirring, also is placed with clear water, in water, also be furnished with 3 kinds of chemicalss, they are: sodium carbonate, as the release agent of aluminium foil and paper, its consumption is the 1%-1 of water weight, 5%; Calcium hydroxide is as the come-up agent of aluminium foil and the heavy lozenge of paper pulp, and its consumption is to make that the pH value in the water in the stirring pool is that 1-12 gets final product; Sodium metasilicate is as the protective agent of metal, and its consumption is the 0.02%-0.03% of water weight.Waste aluminium foil paper poured in the fermentation vat soaked 5-10 minute, make that paper and aluminium foil are separated, pull out then to pour into and stir 10-15 minute in the stirring pool, make the aluminium foil after separating float, paper broken into the slurry sink to below, pull out floating over top aluminium foil, sink to following paper pulp and emit from the grout outlet of stirring pool and get final product.
Claims (1)
- A kind of method of from waste aluminium foil paper, extracting paper pulp and aluminium foil.Its process is: at first waste aluminium foil paper put into the fermentation vat that fills clear water and soaked, and the hot water that the water in the fermentation vat is also available 85 ℃-95 ℃, but perhaps fermentation vat is made the structure of heating type; Soaked aluminium-foil paper put in the stirring pool that stirring vane is housed stir, clear water also is housed in the stirring pool, and is furnished with 3 kinds of chemicalss, they are: sodium carbonate, its addition are the heavy 1%-1.5% of water in the stirring pool; Calcium hydroxide, its addition are to make the pH value of the water in the stirring pool get final product between 10-12; Sodium metasilicate, its addition are the 0.02%-0.03% of the weight of the water in the stirring pool; After the stirring through stirring vane in the stirring pool, paper in the waste aluminium foil paper is broken into paper pulp and is sunk to bottom in the pond, isolated aluminium foil then floats over the top of stirring pool, and aluminium foil is pulled out, and the paper pulp that sinks to the bottom is emitted by the grout outlet that is located at the bottom, pond and promptly finished leaching process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97108340A CN1219627A (en) | 1997-12-07 | 1997-12-07 | Method for extracting paper pulp and aluminium foil from waste aluminium foil paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97108340A CN1219627A (en) | 1997-12-07 | 1997-12-07 | Method for extracting paper pulp and aluminium foil from waste aluminium foil paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1219627A true CN1219627A (en) | 1999-06-16 |
Family
ID=5170345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97108340A Pending CN1219627A (en) | 1997-12-07 | 1997-12-07 | Method for extracting paper pulp and aluminium foil from waste aluminium foil paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1219627A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722000A (en) * | 2013-12-26 | 2014-04-16 | 青岛福创环境科技有限公司 | Method for recycling waste paper-plastic or paper-aluminum package material |
| CN104631177A (en) * | 2015-02-01 | 2015-05-20 | 临沂市亿佳再生资源有限公司 | Waste aluminum foil-based aluminum paper bioseparation method |
| CN109295782A (en) * | 2018-08-23 | 2019-02-01 | 桂林桂特板业有限公司 | Paper bag film paper separation method |
-
1997
- 1997-12-07 CN CN97108340A patent/CN1219627A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722000A (en) * | 2013-12-26 | 2014-04-16 | 青岛福创环境科技有限公司 | Method for recycling waste paper-plastic or paper-aluminum package material |
| CN103722000B (en) * | 2013-12-26 | 2016-04-13 | 青岛福创环境科技有限公司 | The recovery method of waste and old paper or paper aluminium packaging material |
| CN104631177A (en) * | 2015-02-01 | 2015-05-20 | 临沂市亿佳再生资源有限公司 | Waste aluminum foil-based aluminum paper bioseparation method |
| CN109295782A (en) * | 2018-08-23 | 2019-02-01 | 桂林桂特板业有限公司 | Paper bag film paper separation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |