EP2728042B1 - Méthode pour la séparation de fibres naturelles - Google Patents
Méthode pour la séparation de fibres naturelles Download PDFInfo
- Publication number
- EP2728042B1 EP2728042B1 EP12007502.3A EP12007502A EP2728042B1 EP 2728042 B1 EP2728042 B1 EP 2728042B1 EP 12007502 A EP12007502 A EP 12007502A EP 2728042 B1 EP2728042 B1 EP 2728042B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- steam
- electrical field
- fibre bundles
- effectiveness
- Prior art date
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000000926 separation method Methods 0.000 title description 10
- 239000000835 fiber Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000005684 electric field Effects 0.000 claims description 10
- 229920001277 pectin Polymers 0.000 claims description 7
- 239000001814 pectin Substances 0.000 claims description 7
- 235000010987 pectin Nutrition 0.000 claims description 7
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 claims 1
- 239000013589 supplement Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 244000299507 Gossypium hirsutum Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 2
- 240000006240 Linum usitatissimum Species 0.000 description 2
- 235000004431 Linum usitatissimum Nutrition 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 244000198134 Agave sisalana Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 240000008564 Boehmeria nivea Species 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 240000002024 Gossypium herbaceum Species 0.000 description 1
- 235000004341 Gossypium herbaceum Nutrition 0.000 description 1
- 240000000797 Hibiscus cannabinus Species 0.000 description 1
- 240000008790 Musa x paradisiaca Species 0.000 description 1
- 244000274883 Urtica dioica Species 0.000 description 1
- 235000009108 Urtica dioica Nutrition 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000021015 bananas Nutrition 0.000 description 1
- 239000000227 bioadhesive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
- D01B1/10—Separating vegetable fibres from stalks or leaves
Definitions
- the present invention relates to the recovery of high quality natural fibers.
- Natural fibers have the advantage over synthetic fibers that they can be obtained from renewable raw materials. Moreover, for the most part, natural fibers still have properties superior to synthetic fibers. In addition to water absorption capacity and skin compatibility in the clothing industry, this includes the uncomplicated disposal of natural fiber products. Natural fibers are grown in Europe and North America largely from the cultivation of stem fibers such as flax, hemp, jute, ramie, nettle, kenaf u. a. won. Depending on the climatic conditions, natural fibers of cotton or coconut (so-called fruit fibers) or sisal and fiber bananas are obtained in other parts of the world. With the exception of cotton, the natural fiber i. d. R.
- the separation of the fibers from the natural fiber bundle first requires the process of natural roasting, ie the rotting in the field or in the water. This is complex and, in addition, highly dependent on the result from the weather.
- the natural glue pectin
- pectin the natural glue that holds the fibers together is degraded by enzymes produced by bacteria or fungi.
- WO-A-96135831 shows a known method.
- the invention shows a fast and inexpensive alternative for the industrial mass production of fiber separation.
- the idea according to the invention provides for the use of electric fields and the resulting electrical current flow.
- the fiber bundles are placed in an electric field with the addition of water.
- deionized water demineralized water
- this results in electrical current flow through the dipole formation of the water, albeit of lesser magnitude due to the poorer overall electrical conductivity.
- the effect of the electric field and the resulting electrical current flow leads to an attack (decomposition) of the pectins in the form that subsequently introduced mechanical forces much easier to allow separation of the fibers.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Paper (AREA)
Claims (10)
- Méthode pour la destruction respectivement décomposition partielle ou complète de la colle naturelle, pour l'essentiel la pectine, qui tient ensemble les paquets de fibres des fibres naturelles, caractérisé en ce que les paquets de fibres en combinaison avec de l'eau sont soumis à une intensitéde champ électrique et un passage du courant électrique qui en résulte.
- Méthode selon revendication 1, caractérisé en ce que le champ électrique necessaire est généré par n'importe quelle forme, de preference en manière homogène en tant que capaciteur à panneaux ou en tant que composition coaxiale, mais aussi en manière inhomogène.
- Méthode selon revendications 1 et 2, caractérisé en ce que les paquets de fibres sont additionellement mis en movement dans le bain d'eau pendant la durée de l'efficacité du champs électrique.
- Méthode selon revendications 1 à 3, caractérisé en ce que les paquets de fibres à traiter sont seulement humidifies ou humectés.
- Méthode selon revendications 1 à 3, caractérisé en ce que les paquets de fibres sont seulement exposés à du vapeur d'eau pendant la durée de l'efficacité du champs électrique.
- Méthode selon revendications 1 à 5, caractérisé en ce que l'eau ou le vapeur d'eau de n'importe quelle conductivité électrique est appliqué aussi sous forme complètement déionisée, soit complètement dessalée.
- Méthode selon revendications 1 à 6, caractérisé en ce que de l'eau ou du vapeur d'eau aux températures plus élevées est appliqué pour soutenir l'efficacité.
- Méthode selon revendications 1 à 7, caractérisé en ce que de l'eau ou du vapeur d'eau à une pression plus élevée est appliqué pour soutenir l'efficacité.
- Méthode selon revendications 1 à 8, caractérisé en ce que des additives chimiques sont ajoutés à l'eau ou au vapeur d'eau pour soutenir l'efficacité.
- Méthode selon revendications 1 à 9, caractérisé en ce que le champs électrique et le passage du courant électrique qui en résulte est basé sur des champs continus ou alternatifs ou sur des champs pulsés de n'importe quelle forme, aussi phase-contrôlée.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12007502.3A EP2728042B1 (fr) | 2012-11-03 | 2012-11-03 | Méthode pour la séparation de fibres naturelles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12007502.3A EP2728042B1 (fr) | 2012-11-03 | 2012-11-03 | Méthode pour la séparation de fibres naturelles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2728042A1 EP2728042A1 (fr) | 2014-05-07 |
| EP2728042B1 true EP2728042B1 (fr) | 2015-10-14 |
Family
ID=47172225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12007502.3A Active EP2728042B1 (fr) | 2012-11-03 | 2012-11-03 | Méthode pour la séparation de fibres naturelles |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP2728042B1 (fr) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59605408D1 (de) * | 1995-05-12 | 2000-07-13 | Jossi Holding Ag Islikon | Verfahren und vorrichtung zum erkennen und ausscheiden von fremdstoffen in fasermaterial |
| RU2233355C1 (ru) | 2003-05-20 | 2004-07-27 | Максимов Владимир Владимирович | Способ обработки льняного волокна |
-
2012
- 2012-11-03 EP EP12007502.3A patent/EP2728042B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2728042A1 (fr) | 2014-05-07 |
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