EP1320641B1 - VERFAHREN ZUR GEWINNUNG EINES Ca-HALTIGEN FASERPRODUKTES UND FASERPRODUKT - Google Patents
VERFAHREN ZUR GEWINNUNG EINES Ca-HALTIGEN FASERPRODUKTES UND FASERPRODUKT Download PDFInfo
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- EP1320641B1 EP1320641B1 EP01985733A EP01985733A EP1320641B1 EP 1320641 B1 EP1320641 B1 EP 1320641B1 EP 01985733 A EP01985733 A EP 01985733A EP 01985733 A EP01985733 A EP 01985733A EP 1320641 B1 EP1320641 B1 EP 1320641B1
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- Prior art keywords
- fiber
- fibers
- proportion
- fiber product
- materials
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
Definitions
- the invention relates to a method according to the preamble of the claim 1.
- WO 99/14430 A is a method for producing granular absorbents with a small proportion of residual or catching material from the recycling process known from waste paper.
- the sieving is in the known method in a fiber screening stage with a mesh size in a range between 100 to 300 microns performed. After the fiber screening stage, this becomes the residue or catch dehydrated process water and then dried, so that the aforementioned granular absorbent results.
- Less than 10% by weight of the Fibers in the absorbent have a fiber length of> 150 ⁇ m.
- the object of the present invention is to provide an alternative process for obtaining a Ca-containing fiber product from a a residual or catch containing process water, which is obtained in particular in the production of paper, show.
- the aforementioned object is in a method of the type mentioned solved by the characterizing features of claim 1.
- An essential aspect of the present invention is in contrast the prior art already that in the inventive method deliberately or specifically the Ca-containing fiber product is obtained, it is so not to the recycling of fibers from wastewater in the course of papermaking as in the prior art.
- This fiber product has a fiber content with a fiber composition defined by the previous sieving and ultimately also a defined calcium content, the one use of this Mixed product only possible.
- the aforesaid fiber composition which results from the claimed mesh size, essential is to produce pellets or granules from the fiber product to be able to.
- the advantage of granulation or pelleting lies in the fact that that the use of the Ca-containing fiber product only after the corresponding Compression and shaping is possible. Both at a predominant Proportion of too small fibers as well as a predominant proportion of too large ones Fibers are not readily pelletized or granulated make.
- the claimed sieve area leads to a fiber composition, which is very special for a variety of applications Offers advantages, which will be discussed in more detail.
- the resulting by the process according to the invention fiber material can already used as such for certain applications.
- the fiber product before pelleting or before or during granulation depending on the intended use additives to the following is discussed in more detail, to mix.
- Admixing preferably via a mixer, before actual pelleting, while it is in the context of granulation, the one or the respective additives directly to the granulating together with the To supply fiber product, since a homogeneous mixing during the Granulating results.
- the Ca-containing fiber product following the granulation or pelleting fed to a further, in particular thermal drying.
- further drying does not necessarily have to be thermal be, other drying methods are possible.
- the granulated fiber product to a degree of drying of more than 85% dry matter dried. Depending on the intended use, a degree of drying be required by up to 99% dry matter.
- An optimal fiber composition results from the fact that the screening in the fiber screening stage with a mesh size in a range between 200 microns and 300 microns is performed. Screening in this area involves fibers contained in the fiber product, in known fiber recovery processes usually returned to the paper mill. The fiber product becomes deliberately made at the expense of recycled to the paper mill fibers. The is due to the preferred mesh size resulting fiber distribution but ultimately required to have the necessary and desired properties to achieve the fiber product according to the invention.
- the procedure for fiber recovery is otherwise related with the paper making a coarse dirt screening stage, before the fiber screening stage is carried out. For this it has turned out to be particularly favorable that the coarse dirt sieved to ⁇ 3 mm, preferably to about 1.8 mm becomes. The sieved coarse dirt is then squeezed and preferably discarded.
- the residual or catcher having Process water of the fiber screening stage with a substance density between 0.05 and 3 Wt .-%, preferably between 0.1 and 1 wt .-% is supplied. by virtue of the aforementioned consistency of the supplied residual or stream of flock becomes a particularly favorable washing and ash removal of the fibers during sieving achieved.
- a buffer stage upstream of the fiber screening stage for make-up water intended is a buffer stage upstream of the fiber screening stage for make-up water intended.
- an aggregate, such as fibers and / or Ca containing material containing container of fiber screening stage upstream be in order to ensure a uniform composition of the supplied residual or catch stream.
- This container may be the buffer container act.
- the present invention relates to a fiber product according to the Preamble of claim 9.
- Object of the present invention is also to a fiber product with a Proportion of organic fibers and a proportion of Ca-containing material available which is easily granulated or pelletized and high Absorbance has.
- the aforementioned object is in a fiber material of the aforementioned type solved by the characterizing features of claim 9.
- the Ca-containing material includes both Ca as such as well as Ca-containing compounds such as CaO, CaOH 2 , CaCO 3 are understood.
- the number of Ca-containing material is the total calcium content of the material at the respective composition.
- a material of the aforementioned kind is as a starting material for a cat litter particularly suitable.
- the aforementioned composition of organic fibers and inorganic material containing a large amount of calcium-containing material has a very high absorption capacity.
- This "absorbency" gives essentially by the fiber content and probably also by the calcium content, while at the same time results in an odor binding.
- the absorbency and The odor binding also results, on the one hand, from the abovementioned proportions and materials themselves, d. H. their capacity, as well as by the Mixture of the two parts, since in particular in granulation and pelleting, which will be discussed in more detail below, pores between the Forms shares that act absorptive and thus bring about an odor binding.
- the fiber product according to the invention is above all, as before executed, suitable for use for a fertilizer.
- the fertilizing effect with the fiber material according to the invention With the aforementioned composition is very good.
- the fiber product Add additives Depending on the intended use, it is advisable to differentiate the fiber product Add additives. Should the fiber product be used as cat litter, should be odorants, bentonites or bentonite-like substances, porosity agents and / or superabsorbent substances are added. Will the fiber product used as fertilizer, should be considered calcium or calcium-containing additives Substances, magnesium or magnesium-containing substances, nitrogen or nitrogen-containing Substances, potassium or potassium-containing substances, iron or iron-containing Substances and / or phosphate or phosphate-containing substances are added. The Quantity and the respective additive depend on the respective type of the fertilizer. The aforementioned list of additives for both the cat litter as well as for the fertilizer is not exhaustive.
- the fiber product together with his pellets or granules, if any, provided.
- the granulation or pelleting is especially useful when the fiber product used as fertilizer and in small quantities to sprinkle on the desired Surface is used. By granulation or pelleting is prevents excessive dust accumulation during use.
- especially the granulation of the fiber product suitable is.
- the granulation on the one hand a high fluid absorption capacity ensured, on the one hand, the individual granules are not too compressed, and on the other hand prevents particles of the fiber product after use of the cat litter by the cat at this get stuck.
- the fiber product in the pelleted or granulated state a degree of drying of has more than 85% dry matter. It is particularly preferred when used of the fiber product as fertilizer, a dry matter content between 88% and 94%, preferably between 90% and 92%, while when using the fiber product according to the invention as a cat litter Dry matter content between 94% and 98%, preferably between 95% and 97% should be available.
- the fiber product may be in non-pelleted or ungranulated Condition between 35% and 70% dry matter content, preferably between 55% and 65% dry matter content.
- the material can be stored easily, without the risk of a permanently solid clumping. In this condition It can then very well then pelletize or granulate and then dry to the desired increased degree of drying.
- the fiber length or the fiber length distribution of the fibers are otherwise the fiber length or the fiber length distribution of the fibers. Both at Use for both long and too short fibers allows optimal granulation or do not pelletize. In addition, also the aforementioned positive properties in connection with the use as Cat litter or fertilizer can not reach if a predominant proportion of too short or too long fibers is used.
- the fibers should have a fiber content of less than 10% with a fiber length greater than 2 mm in the total proportion of fibers.
- fiber lengths in ⁇ m and fiber proportions in% by weight are given, which the fiber product according to the invention should preferably have: fiber length fiber content 0 - 100 5-25 100-200 10-40 200-300 5 - 25 300 - 400 5 - 20 400 - 500 1 - 15 500 - 600 1 - 15 600-700 1 - 15 700 - 800 1 - 15 800 - 900 1 - 15 900 - 1000 1 - 15 greater than 1000 0.5-10
- the fiber product according to the invention with the aforementioned proportions of fibers and calcium-containing material and with Produce fibers of the aforementioned fiber length distribution as such directly, for example by using pulp and calcium carbonate, It is particularly appropriate to use the fiber product in connection with papermaking from the residual or catching material used in papermaking accrues.
- Fig. 1 the scheme shown in Fig. 1 will be discussed, based on which the process according to the invention is also explained. It is from a paper mill 1 a process water containing a residual or or stream of fumes) A via pipelines of the device of the aforementioned Kind fed. Instead of the paper mill 1 can in principle also a stock preparation plant or a paper machine may be provided. That the Residual or catcher having process water, which is ultimately a Residual or catchment stream is, first via a measuring device 2 led to a feed trough 3. The measuring device 2 measures, for example the flow rate. It can also alternatively or simultaneously a measurement of Solid portion of the current A are performed.
- the stream A is at least one, preferably via the feed channel 3 a plurality of sieves of a coarse dirt screening stage 4 fed in the Coarse dirt B in the present case is sieved to about 1.8 mm.
- the sieved one Coarse dirt B such as plastics, metal parts u. Like., Is squeezed and discarded.
- the screen passage of the coarse dirt screening stage 4 is then a Fiber screening stage 5 with preferably a plurality of sieves for separation a fiber fraction, in particular fed to a long fiber fraction.
- the single ones Sieves of the fiber screening stage each have a mesh size of 250 ⁇ m.
- the screened long fibers are fed to a long-fiber sump 6, the equalization of the subsequent process steps for long fiber recovery serves.
- the long fibers of a pressure sorter 7 supplied from the long fiber collection tank 6, the long fibers of a pressure sorter 7 supplied. To a given or consistent consistency can be achieved via a line 8, in which a measuring device 9 for Quantity and / or solids content measurement is provided, fed water become. The long fibers obtained in the pressure sorting are subsequently fed to a further sorting device 10, the present multiple cyclones having. Finally, the high-purity long fibers via a measuring device 11 for quantity and / or solids content measurement returned to Appendix 1.
- the passage of the residual or catchment stream A following the fiber screening stage 5 is fed to a process water basin 12.
- the reject out the pressure sorting device 7 and / or the further sorting device 10 is fed to a press 14 and either discarded or possibly as a material for inferior paper grades used.
- the process water tank 12 is followed by a sedimentation device 15 from, deducted from the thickened residual or catch D and a pressing device 16 is fed, which in this case is a screen belt press with a pre-drainage table.
- the overflow E from the sedimentation device 15 is fed to a flotation device 17, by the one hand a clear water F and on the other hand solids G are obtained.
- the Clear water F is returned to Annex 1.
- the solids G become the Pressing device 16 supplied.
- About the pressing device 16 is present a Drying achieved to a dry content of about 60% dry matter, while the sedimentation device and the flotation device ultimately to drain.
- the fiber product H is a granulator 21, in which the fiber product H is granulated. Subsequently becomes the granulated fiber product H of a further drying device Supplied 17 ', which in this case is a thermal drying device and for the intended use desired degree of drying dried.
- the degree of drying depends thereby according to the respective intended use of the fiber product.
- fertilizer is the dry matter content is adjusted so that the fiber product has a dry matter content from 90 to 92%, while in cat litter the degree of dryness is adjusted so that the dry matter content between 95 and 97% lies.
- the dried fiber product H then stored in different silos 18, of which only a silo represented is. The individual silos are finally closed by a packaging device 22 in which the respective fiber product H is packed ready for shipment
- the granulator 21 means for supplying is assigned by additives. About this facility can depend on additives are added to the respective intended use. Due to the granulation process is a separate mixing device not mandatory. The intimate mixing of the additives with the fiber product in itself takes place during granulation.
- the Pulper 20 and the buffer container 19 allow it otherwise, by the Use of aggregates the resulting products, namely both the Long fibers as well as the fiber product, targeted to improve as well as the by the Production process in Appendix 1 resulting consistency and volume fluctuations of the current A to comparative, by process constancy the process of the invention, the production of the resulting products to back up.
- the feeding device for additives not shown, however, it is not necessarily associated with the granulator 21 necessary, additives to the substance dissolving tank or the buffer tank admit.
- the fiber product H following the drying device 16 either the drying device 17 ', a silo 18 or directly the packaging device 22 supply.
- the fibrous product H may be subsequent to the granulating device 21 without further drying a silo 18 or the packaging device 22 are supplied.
- the fiber product H in connection to the drying device 17 'directly the packaging device 22nd be supplied.
- other drainage facilities instead of the sedimentation device 15 and the flotation device 17 are provided become.
- Fig. 2 is a so-called Kajaani distribution of a sample of the fiber product H shown in sieve stage 5 sieved at a mesh size of 250 microns has been.
- On the left ordinate is the percentage sum of individual Fiber lengths shown, while on the right ordinate the percentage Share is specified.
- On the abscissa are the fiber lengths in mm.
- the Curve X indicates the individual portion of the individual fiber lengths, while with "Y" is the cumulative curve.
- the sample used in the analysis contained a total number of fibers of 48,026.
- the following values have still been determined: length Fibers number Share in% by weight Sum in weight% 0.00 - 0.10 19677 11.44 11.44 0,10 - 0,20 15037 22.95 34.38 0.20 - 0.30 5229 14.65 49.03 0.30 - 0.40 2869 11.53 60.57 0.40 - 0.50 1701 8.94 69.51 0.50 - 0.60 1219 7.89 77,40 0,60 - 0,70 855 6.55 83,95 0,70 - 0,80 549 4.88 88.83 0.80 - 0.90 378 3.82 92.66 0,90 - 1,00 196 2.22 94.87 1,10 - 1,10 113 1.42 96.29 1,10 - 1,20 75 1.03 97.32 1.20 - 1.30 28 0.42 97.74 1.30 - 1.40 29 0.47 98.21 1.40 - 1.50 14 0.24 98
- the sample used in the analysis contained a total number of fibers of 48,026.
Landscapes
- Paper (AREA)
- Inorganic Fibers (AREA)
Description
Faserlänge | Faseranteil |
0 - 100 | 5-25 |
100 - 200 | 10-40 |
200 - 300 | 5 - 25 |
300 - 400 | 5 - 20 |
400 - 500 | 1 - 15 |
500 - 600 | 1 - 15 |
600-700 | 1 - 15 |
700 - 800 | 1 - 15 |
800 - 900 | 1 - 15 |
900 - 1000 | 1 - 15 |
größer 1000 | 0,5 - 10 |
- Fig. 1
- eine schematische Darstellung einer Vorrichtung zur kombinierten Prozeßwasseraufbereitung, Faserrückgewinnung und Gewinnung bzw. Herstellung des erfindungsgemäßen Ca-haltigen Faserprodukts,
- Fig. 2
- eine grafische Darstellung der Faseranteile eines erfindungsgemäßen Faserproduktes.
Länge | Fasern Anzahl | Anteil in Gew.% | Summe in Gew.% |
0,00 - 0,10 | 19677 | 11,44 | 11,44 |
0,10 - 0,20 | 15037 | 22,95 | 34,38 |
0,20 - 0,30 | 5229 | 14,65 | 49,03 |
0,30 - 0,40 | 2869 | 11,53 | 60,57 |
0,40 - 0,50 | 1701 | 8,94 | 69,51 |
0,50 - 0,60 | 1219 | 7,89 | 77,40 |
0,60 - 0,70 | 855 | 6,55 | 83,95 |
0,70 - 0,80 | 549 | 4,88 | 88,83 |
0,80 - 0,90 | 378 | 3,82 | 92,66 |
0,90 - 1,00 | 196 | 2,22 | 94,87 |
1,10 - 1,10 | 113 | 1,42 | 96,29 |
1,10 - 1,20 | 75 | 1,03 | 97,32 |
1,20 - 1,30 | 28 | 0,42 | 97,74 |
1,30 - 1,40 | 29 | 0,47 | 98,21 |
1,40 - 1,50 | 14 | 0,24 | 98,45 |
1,50 - 1,60 | 6 | 0,11 | 98,56 |
1,60 - 1,70 | 9 | 0,18 | 98,74 |
1,70 - 1,80 | 4 | 0,08 | 98,82 |
1,80 - 1,90 | 3 | 0,07 | 98,89 |
1,90 - 2,00 | 7 | 0,16 | 99,05 |
2,00 - 2,10 | 3 | 0,07 | 99,13 |
2,10 - 2,20 | 1 | 0,03 | 99,15 |
2,20 - 2,30 | 1 | 0,03 | 99,18 |
2,30 - 2,40 | 5 | 0,14 | 99,32 |
2,40 - 2,50 | 0 | 0,00 | 99,32 |
2,50 - 2,60 | 1 | 0,03 | 99,35 |
2,60-2,70 | 5 | 0,16 | 99,51 |
2,70 - 2,80 | 2 | 0,07 | 99,58 |
2,80 - 2,90 | 0 | 0,00 | 99,58 |
2,90 - 3,00 | 2 | 0,07 | 99,65 |
3,00 - 3,10 | 1 | 0,04 | 99,69 |
3,10-3,20 | 0 | 0,00 | 99,69 |
3,20 - 3,30 | 0 | 0,00 | 99,69 |
3,30 - 3,40 | 1 | 0,04 | 99,73 |
3,40 - 3,50 | 1 | 0,04 | 99,77 |
3,50 - 3,60 | 3 | 0,13 | 99,90 |
Arithmetischer Durchschnitt | 0,17 mm |
Längengewichteter Durchschnitt | 0,4 mm |
Gewichtsgewichteter Durchschnitt | 0,79 mm |
Claims (18)
- Verfahren zur Gewinnung eines Ca-haltigen Faserproduktes aus einem einen Rest- oder Fangstoff aufweisenden Prozeßwasser, das insbesondere bei der Herstellung von Papier anfällt, wobei das den Rest- oder Fangstoff aufweisende Prozeßwasser einer Faser-Siebstufe zur Abtrennung einer Faserfraktion aus dem Rest- oder Fangstoff zugeführt wird, dadurch gekennzeichnet, daß die Siebung in der Faser-Siebstufe bei einer Maschenweite in einem Bereich zwischen 150 µm und 600 µm durchgeführt wird und daß der Siebdurchgang des den Rest- oder Fangstoff aufweisenden Prozeßwassers nach der Faser-Siebstufe entwässert und anschließend getrocknet wird, so daß sich das Ca-haltige Faserprodukt ergibt, das als solches oder als Ausgangsmaterial zur Herstellung weiterer Stoffe verwendet wird und das einen Faseranteil mit einer Faserlänge < 300 µm zwischen 35 und 65 Gew.-% des Gesamtfaseranteils enthält.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Ca-haltige Faserprodukt im Anschluß an die Trocknung granuliert oder pelletiert wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Trocknung vor der Pelletierung oder Granulierung bis auf einen Trocknungsgrad von 35 bis 75 % Trockensubstanz, vorzugsweise 55 bis 65 % Trockensubstanz durchgeführt wird und daß, vorzugsweise, die Trocknung vor der Pelletierung oder Granulierung mechanisch durchgeführt wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß dem Ca-haltigen Faserprodukt vor der Pelletierung oder vor oder bei der Granulierung in Abhängigkeit des Verwendungszwecks Zusatzstoffe, wie Geruchsstoffe, Bentonite und/oder bentonitartige Stoffe, Porosierungsstoffe, superabsorbierende Stoffe, Calcium und/oder calciumhaltige Stoffe wie Dolomit, Magnesium und/oder magnesiumhaltige Stoffe, Stickstoff und/oder stickstoffhaltige Stoffe, Kalium und/oder kaliumhaltige Stoffe, Eisen und/oder eisenhaltige Stoffe und/oder Phosphat und/oder phosphathaltige Stoffe beigemischt werden.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Ca-haltige Faserprodukt im Anschluß an die Granulierung oder Pelletierung einer weiteren, insbesondere thermischen Trocknung zugeführt wird, und daß, vorzugsweise das granulierte Faserprodukt auf einen Trocknungsgrad von mehr als 85 % Trockensubstanz und insbesondere je nach Verwendungszweck bis zu 99 % Trockensubstanz getrocknet wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Siebung in der Faser-Siebstufe bei einer Maschenweite in einem Bereich zwischen 200 µm und 300 µm durchgeführt wird, daß, vorzugsweise, das den Rest- oder Fangstoff enthaltende Prozeßwasser in der Faser-Siebstufe lediglich einmal gesiebt wird und daß, vorzugsweise, vom Rest- oder Fangstoff nach der Faser-Siebstufe keine weiteren Fraktionen abgetrennt werden.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das den Rest- oder Fangstoff enthaltende Prozeßwasser einem Prozeßwasserbecken als Vorlagebecken zur Vergleichmäßigung des Herstellungsprozesses des Faserproduktes zugeführt wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das den Rest- oder Fangstoff enthaltende Prozeßwasser im Anschluß an das Prozeßwasserbecken zur Entwässerung einer Sedimentation, einer Flotation und/oder einer Filtration zugeführt wird.
- Faserprodukt (H) mit einem Anteil an organischen Fasern und einem Anteil an Ca-haltigem Material, dadurch gekennzeichnet, daß der Anteil an organischen Fasern > 25 Gew.-% und der Anteil an Ca-haltigem Material > 20 Gew.-% ist und daß die Fasern einen Faseranteil zwischen 35 und 65 Gew.-% mit einer Faserlänge < 300 µm am gesamten Anteil an Fasern aufweisen.
- Faserprodukt nach Anspruch 9, dadurch gekennzeichnet, daß der Anteil an Fasern zwischen 35 und 55 Gew.-% liegt und/oder das Anteil an Cahaltigem Material zwischen 20 und 40 Gew.-% liegt und daß, vorzugsweise, der verbleibende Anteil anorganisch ist.
- Faserprodukt nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß das Faserprodukt (H) entweder als solches oder als Ausgangsmaterail für ein Katzenstreu oder einen Dünger verwendet wird.
- Faserprodukt nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß das Faserprodukt in Abhängigkeit des Verwendungszwecks Zusatzstoffe wie Geruchsstoffe, Bentonite und/oder bentonitartige Stoffe, Porosierungsstoffe, superabsorbierende Stoffe, Calcium und/oder calciumhaltige Stoffe wie Dolomit, Magnesium und/oder magnesiumhaltige Stoffe, Stickstoff und/oder stickstoffhaltige Stoffe, Kalium und/oder kaliumhaltige Stoffe, Eisen und/oder eisenhaltige Stoffe und/oder Phosphat und/oder phosphathaltige Stoffe aufweist.
- Faserprodukt nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, daß das Faserprodukt (H) pelletiert oder granuliert ist.
- Faserprodukt nach Anspruch 13, dadurch gekennzeichnet, daß das Faserprodukt (H) im pelletierten oder granulierten Zustand einen Trockensubstanzgehalt von mehr als 85 % aufweist.
- Faserprodukt nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, daß das Faserprodukt (H) im nicht-pelletierten oder nicht-granulierten Zustand einen Trockensubstanzgehalt zwischen 35 und 75 %, vorzugsweise zwischen 55 bis 65 % Trockensubstanz aufweist.
- Faserprodukt nach einem der Ansprüche 9 bis 15, dadurch gekennzeichnet, daß die Fasern einen Faseranteil von kleiner 10 % mit einer Faserlänge größer 2 mm am gesamten Anteil an Fasern aufweisen.
- Faserprodukt nach einem der Ansprüche 9 bis 16, dadurch gekennzeichnet, daß die Fasern einen Faseranteil zwischen 5 und 25 Gew.-% mit einer Faserlänge zwischen 0 und 100 µm am gesamten Anteil an Fasern aufweisen und/oder daß die Fasern einen Faseranteil zwischen 10 und 40 Gew.-% mit einer Faserlänge zwischen 100 und 200 µm am gesamten Anteil an Fasern aufweisen und/oder das die Fasern einen Faseranteil zwischen 5 und 25 Gew.-% mit einer Faserlänge zwischen 200 und 300 µm am gesamten Anteil an Fasern aufweisen und/oder daß die Fasern einen Faseranteil zwischen 5 und 20 Gew.-% mit einer Faserlänge zwischen 300 und 400 µm am gesamten Anteil an Fasern aufweisen und/oder daß die Fasern einen Faseranteil zwischen 1 und 15 Gew.-% mit einer Faserlänge zwischen 400 und 500 µm am gesamten Anteil an Fasern aufweisen und/oder daß die Fasern einen Faseranteil zwischen 1 und 15 Gew.-% mit einer Faserlänge zwischen 500 und 600 µm am gesamten Anteil an Fasern aufweisen und/oder daß die Fasern einen Faseranteil zwischen 1 und 15 Gew.-% mit einer Faserlänge zwischen 600 und 700 µm am gesamten Anteil an Fasern aufweisen und/oder daß die Fasern einen Faseranteil zwischen 1 und 15 Gew.-% mit einer Faserlänge zwischen 700 und 800 µm am gesamten Anteil an Fasern aufweisen und/oder daß die Fasern einen Faseranteil zwischen 1 und 15 Gew.-% mit einer Faserlänge zwischen 800 und 900 µm am gesamten Anteil an Fasern aufweisen und/oder daß die Fasern einen Faseranteil zwischen 1 und 15 Gew.-% mit einer Faserlänge zwischen 900 und 1000 µm am gesamten Anteil an Fasern aufweisen und/oder daß die Fasern einen Faseranteil zwischen 0,5 und 10 Gew.-% mit einer Faserlänge größer 1 mm am gesamten Anteil an Fasern aufweisen.
- Faserprodukt nach einem der Ansprüche 9 bis 17, dadurch gekennzeichnet, daß das Faserprodukt (H) aus einem Rest- oder Fangstoff hergestellt wird, der bei der Herstellung von Papier anfällt.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10049235 | 2000-09-28 | ||
DE10049235 | 2000-09-28 | ||
DE10110528A DE10110528A1 (de) | 2000-09-28 | 2001-03-05 | Verfahren zur Faserrückgewinnung bei der Papierherstellung |
DE10110528 | 2001-03-05 | ||
PCT/EP2001/011274 WO2002027094A1 (de) | 2000-09-28 | 2001-09-28 | VERFAHREN ZUR GEWINNUNG EINES Ca-HALTIGEN FASERPRODUKTES UND FASERPRODUKT |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1320641A1 EP1320641A1 (de) | 2003-06-25 |
EP1320641B1 true EP1320641B1 (de) | 2005-07-06 |
Family
ID=26007270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01985733A Expired - Lifetime EP1320641B1 (de) | 2000-09-28 | 2001-09-28 | VERFAHREN ZUR GEWINNUNG EINES Ca-HALTIGEN FASERPRODUKTES UND FASERPRODUKT |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1320641B1 (de) |
AT (1) | ATE299199T1 (de) |
AU (1) | AU2002221635A1 (de) |
WO (1) | WO2002027094A1 (de) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6019873A (en) * | 1993-09-09 | 2000-02-01 | Marcal Paper Mills, Inc. | Floor absorbent granular product |
-
2001
- 2001-09-28 WO PCT/EP2001/011274 patent/WO2002027094A1/de active IP Right Grant
- 2001-09-28 AU AU2002221635A patent/AU2002221635A1/en not_active Abandoned
- 2001-09-28 EP EP01985733A patent/EP1320641B1/de not_active Expired - Lifetime
- 2001-09-28 AT AT01985733T patent/ATE299199T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1320641A1 (de) | 2003-06-25 |
ATE299199T1 (de) | 2005-07-15 |
AU2002221635A1 (en) | 2002-04-08 |
WO2002027094A1 (de) | 2002-04-04 |
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