DE102006016715A1 - Agent, useful e.g. to reduce or prevent the growth of green algae, preferably fibrous algae, in pools, rivers and tanks, comprises lignite-based fiber material (brown coal xylite) and/or its granules - Google Patents
Agent, useful e.g. to reduce or prevent the growth of green algae, preferably fibrous algae, in pools, rivers and tanks, comprises lignite-based fiber material (brown coal xylite) and/or its granules Download PDFInfo
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- DE102006016715A1 DE102006016715A1 DE102006016715A DE102006016715A DE102006016715A1 DE 102006016715 A1 DE102006016715 A1 DE 102006016715A1 DE 102006016715 A DE102006016715 A DE 102006016715A DE 102006016715 A DE102006016715 A DE 102006016715A DE 102006016715 A1 DE102006016715 A1 DE 102006016715A1
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- Prior art keywords
- lignite
- algae
- growth
- water
- xylitol
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/52—Mulches
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
- C05F11/02—Other organic fertilisers from peat, brown coal, and similar vegetable deposits
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Fertilizers (AREA)
- Cultivation Of Plants (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Die Erfindung beschreibt ein Mittel, durch das die im Wasser auftretenden Grünalgen, insbesondere fadenbildende Algenarten, in ihrem Wachstum beseitigt bzw. gemindert werden. Die Wirkung basiert auf der Adsorption und Absorption von im Wasser enthaltenen und zur Algenbildung dienlichen Nährstoffen sowie der Freisetzung von Inhaltsstoffen aus braunkohlestämmigen Faserstoffen (Braunkohlenxylite) bzw. xylithaltiger Produkte. Die mit Nährstoffen angereicherten Mittel sind geeignet als Bodenverbesserungsstoffe, Bodenbedeckungsstoffe sowie als Düngemittel.The invention describes a means by which the green algae occurring in the water, in particular thread-forming algae species, are eliminated or reduced in their growth. The effect is based on the adsorption and absorption of nutrients contained in the water and which are useful for algae formation, as well as the release of ingredients from lignite-derived fibers (lignite xylites) or products containing xylite. The means enriched with nutrients are suitable as soil improvers, soil cover substances and as fertilizers.
Description
Im Wasser, z.B. stehenden und fließenden Gewässern, wachsen oftmals große Mengen Grünalgen, insbesondere fadenbildende Algenarten.in the Water, e.g. standing and flowing waters, grow often big Quantities of green algae, in particular thread-forming algae species.
Dieser Algenaufwuchs führt zu einer Verschiebung des Lebensgleichgewichtes im Wasser, mindert dessen Nutz- und Erholungswert und beeinträchtigt den visuellen Eindruck des Gewässers oftmals in Verbindung mit Fäulnisgeruch.This Algae growth leads to a shift in the equilibrium of life in the water, lowers its utility and recreational value and affects the visual impression of the water often in connection with rottenness.
Diese Algen werden bisher mechanisch entfernt bzw. durch den Einsatz chemischer Mittel und Filteranlagen eingedämmt und bekämpft.These Algae are previously removed mechanically or by the use of chemical Central and filter systems contained and fight.
Die Erfindung beschreibt ein Mittel, das die Grünalgen, insbesondere die fadenbildenden Algenarten durch den Entzug der für sie lebensnotwendigen Nährstoffe bzw. durch die Absonderung von Inhaltsstoffen am Wachstum hindert bzw. an sich bindet. Das Mittel soll biologisch unbedenklich sein, keine schädlichen ökologischen Nebeneffekte haben, keine Entsorgungskosten verursachen und gleichzeitig geeignet sein, die Algen an sich zu binden, bzw. zu immobilisieren sowie die aufgenommenen Nährstoffe pflanzenverfügbar zu speichern und gezielt abzugeben (Einsatz als Bodenverbesserungsstoff).The Invention describes a means that the green algae, especially the thread-forming Algae species through the withdrawal of vital nutrients for them or by the secretion of ingredients prevents growth or binds itself. The agent should be biologically safe, no harmful ecological Side effects do not cause disposal costs and at the same time be suitable to bind the algae itself, or to immobilize as well as the absorbed nutrients available to plants to save and to give targeted (use as a soil conditioner).
Die Aufgabe wird erfindungsgemäß dadurch gelöst, dass ein Mittel gefunden wurde, dass die Immobilisierung der Algen gewährt und die im Wasser gelösten Stoffe adsorbiert, pflanzenverfügbar speichert und außerdem durch seine weiteren Eigenschaften die Ansiedlung von Wertpflanzen gestattet und beste Voraussetzungen für ein außergewöhnliches Wurzelwachstum schafft.The The object is achieved in that a remedy was found that granted the immobilization of the algae and the dissolved in the water Substances adsorbed, plant available stores and as well by its further characteristics the settlement of valuable plants allowed and creates the best conditions for exceptional root growth.
Erfindungsgemäß besteht das Mittel aus braunkohlenstämmigen Faserstoffen, im weiteren Braunkohlenxylit benannt, bzw. Produkten die dieses enthalten und aus diesen geformt sind. Diese kurz- bis langfaserigen Bestandteile der Braunkohle besitzen eine hohe Porosität und eine hohe innere Oberfläche. Sie bestehen hauptsächlich aus Huminen, Huminsäuren und Zellulosen.According to the invention the remedy from brown lignite Fibers, hereinafter called brown coal xylitol, or products which contain this and are formed from these. This short to Long-fiber components of lignite have a high porosity and a high inner surface. They mainly exist from humins, humic acids and celluloses.
Der Braunkohlenxylit ist Bestandteil niedrig inkohlter Weichbraunkohlen und kann nach seiner Abtrennung aus der detritischen Braunkohle sowohl als Rohstoff für die Herstellung von Brennstoffen und Faserstoffen, als armierend wirkender Bindestoff, als Bodenverbesserungsstoff sowie als Bodenbedeckungsstoff eingesetzt werden. Braunkohlenxylit ist u. a. ein Bestandteil der jungtertiären Niederlausitzer Braunkohle, der ohne ökologische Beanspruchung der Umwelt aus der Braunkohle abgetrennt werden kann. Er zeichnet sich aus durch eine hohe, zur Depotwirkung geeignete Porosität sowie durch eine hohe Anzahl an Bindungspotentialen in seiner Struktur und eignet sich somit besonders für die Adsorption von Nährstoffen oder Schadstoffen. Insbesondere die bindungsaktiven Hydroxyl- und Carboxylgruppen sind in der Lage, Nährstoffe und Spurenelemente chemisch zu binden.Of the Lignite xylitol is a constituent of low-ranked lignite coal and, after its separation from the detrital lignite both as raw material for the production of fuels and pulps, as arming acting binder, as a soil conditioner and as Bodenbedeckungsstoff be used. Lignite xylitol is u. a. a component of Neogene Niederlausitzer brown coal, which without ecological stress of the Environment can be separated from the brown coal. He stands out from a high porosity suitable for depot effect as well by a high number of bonding potentials in its structure and is thus particularly suitable for the adsorption of nutrients or pollutants. In particular, the binding active hydroxyl and Carboxyl groups are able to chemically nutrients and trace elements to bind.
Eine weitere wesentliche Eigenschaft ist seine hohe Resistenz gegenüber bakteriellem Abbau im Boden und im Wasser.A Another essential feature is its high resistance to bacterial Removal in the soil and in the water.
Es wurde festgestellt, dass der in das Wasser eingebrachte Braunkohlenxylit Grünalgen immobilisiert, den Algenaufwuchs verhindert, Fäulniserscheinungen und Geruchsemissionen verringert und danach die in seiner Nähe angesiedelten Wasserpflanzen verstärktes Wachstum zeigten. Es wurde weiterhin gefunden, dass der aus dem Wasser entnommene Braunkohlenxylit die Keimung und das Pflanzenwachstum begünstigen.It It was found that the lignite xylitol introduced into the water green algae immobilized, prevents algae growth, rot symptoms and odor emissions and then the nearby water plants reinforced Growth showed. It was further found that the from the Lignite taken from water with germination and plant growth favor.
Die in das Wasser eingebrachte Xylitfaser adsorbiert sofort an seiner Oberfläche die im Wasser enthaltenen Nährstoffe und speichert diese an der inneren und äußeren Oberfläche. Den Grünalgen im Wasser wird damit die Ernährungsgrundlage entzogen; insbesondere fadenbildende Algenarten immobilisieren am Braunkohlenxylit. Das Wachstum der Algen im Wasser wird damit und/oder mit der Absonderung von Huminstoffen reduziert und verhindert. Geruchsemissionen werden spürbar verringert.The xylitol fiber introduced into the water immediately adsorbs to it surface the nutrients contained in the water and stores them on the inner and outer surfaces. The green algae in the water it becomes the nutritional basis withdrawn; in particular thread-forming algae species immobilize on Braunkohlenxylit. The growth of algae in the water becomes so and / or reduced and prevented with the secretion of humic substances. odor emissions become noticeable reduced.
Auf dem nährstoffangereicherten Braunkohlenxylit finden Algen und Pflanzen bevorzugte Wachstumsbedingungen.On the nutrient-enriched Lignite xylitol find algae and plants preferential growth conditions.
Auf dem mit Nährstoffen angereicherten Braunkohlenxylit haben ausgewählte Wasserpflanzen bevorzugte Wachstumsbedingungen. Durch den Verbrauch der im Braunkohlenxylit gespeicherten Nährstoffe ist eine Langzeitunterdrückung des Aufwuchses von Grünalgen gewährleistet.On with nutrients Enriched lignite xylitol has favored selected aquatic plants Growth conditions. By the consumption of the lignite xylitol stored nutrients is a long-term suppression the growth of green algae guaranteed.
In fließenden Gewässern eingebrachtes Braunkohlenxylit ist zudem in der Lage als mechanischer Filter zu fungieren und so zusätzlich zur Beseitigung fadenbildender Algen beizutragen.In flowing waters introduced lignite xylitol is also capable of mechanical Filter to act and so in addition contribute to the removal of thread-forming algae.
Außerdem zeigte sich, dass durch den Zusatz von Braunkohlenxylit in Wasserkulturen und bei Schnittpflanzen weitaus geringere Fäulnisprozesse und Geruchsemissionen auftraten.Also showed itself, that by the addition of lignite xylitol in water cultures and in cutting plants much lower decay processes and odor emissions occurred.
Dabei kann das faserige Braunkohlenxylit sowohl in loser Schüttung, in Form von Gebinden, in Körben und Containern in wasserdurchlässigen Geweben in das Wasser eingebracht, als auch in fließenden Gewässern, insbesondere in Teichanlagen mit Wasserumlauf, auch Fischteichen in den Zulauf oder Ablauf integriert werden und dient so der zusätzlichen mechanischen Filterung losgelöster fadenbildender Algenarten. Nach Anreicherung des Braunkohlenxylites mit Nährstoffen und Algenmaterial wird dieses nach der Entfernung aus dem Wasser als Bodenbedeckungsstoff, als Bodenverbesserungsstoff bzw. zur Kompostierung eingesetzt.In this case, the fibrous lignite can be both in bulk, in the form of containers, placed in baskets and containers in water-permeable tissues in the water, and in flowing waters, especially in pond systems with water circulation, fish ponds integrated into the inlet or outlet and serves so the additional mechanical filtering detached fadenbil the algae species. After enrichment of lignite xylites with nutrients and algae material, this is used after removal from the water as Bodenbedeckungsstoff, as a soil conditioner or for composting.
Erfindungssgemäß kann faseriges Braunkohlenxylit und/oder daraus geformten Materialien auch in geeigneten Behältnissen und Formen integriert, z.B. als schwimmende Insel auf das Wasser aufgebracht, und mit ausgewählten Wasserpflanzen bestückt werden.According to the invention, fibrous Lignite xylitol and / or materials formed therefrom also in suitable containers and forms integrated, e.g. Applied to the water as a floating island, and with selected ones Water plants stocked become.
Die im Wasser enthaltenen und am Braunkohlenxylit adsorbierten pflanzenverfügbaren Nährstoffe dienen der Versorgung der Pflanzen. Somit wird das Nährstoffaufnahmepotential des Braunkohlenxylites über einen langen Zeitraum erhalten. Die am Braunkohlenxylit immobilsierenden Algen dienen der zusätzlichen Humusbildung.The contained in the water and adsorbed on lignite xylitol available plant nutrients serve the supply of plants. Thus, the nutrient uptake potential becomes of lignite xylite received a long period of time. The immobilized on lignite xylitol Algae serve the additional Humus formation.
Erfindungsgemäß kann Braunkohlenxylit Boden- und Wasserkulturen, dem Wasser für Schnittblumen und in Aquarien zugesetzt werden. Es unterdrückt die dort auftretenden Fäulniserscheinungen, vermindert wesentlich die damit einhergehenden Geruchsemissionen und verlängert insbesondere die Haltbarkeit der Schnittblumen.According to the invention, lignite xylitol Soil and water crops, the water for cut flowers and in aquariums be added. It suppresses the rotting phenomena occurring there, diminished significantly the associated odor emissions and extends in particular the durability of the cut flowers.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006016715A DE102006016715A1 (en) | 2006-04-08 | 2006-04-08 | Agent, useful e.g. to reduce or prevent the growth of green algae, preferably fibrous algae, in pools, rivers and tanks, comprises lignite-based fiber material (brown coal xylite) and/or its granules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006016715A DE102006016715A1 (en) | 2006-04-08 | 2006-04-08 | Agent, useful e.g. to reduce or prevent the growth of green algae, preferably fibrous algae, in pools, rivers and tanks, comprises lignite-based fiber material (brown coal xylite) and/or its granules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102006016715A1 true DE102006016715A1 (en) | 2007-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102006016715A Ceased DE102006016715A1 (en) | 2006-04-08 | 2006-04-08 | Agent, useful e.g. to reduce or prevent the growth of green algae, preferably fibrous algae, in pools, rivers and tanks, comprises lignite-based fiber material (brown coal xylite) and/or its granules |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102006016715A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2363379A1 (en) * | 2010-03-05 | 2011-09-07 | EST GmbH | Device for holding and/or enclosing microorganisms living in water or fluids which do not mix with water |
| WO2012025806A1 (en) | 2010-08-23 | 2012-03-01 | Nelson Mandela Metropolitan University | Carbonaceous fines beneficiation using micro-algae and related processes |
| EP2060549A3 (en) * | 2007-11-14 | 2013-05-29 | Rheinbraun Brennstoff GmbH | Culture substrate |
| WO2014187954A1 (en) * | 2013-05-23 | 2014-11-27 | Roess Nature Group GmbH & Co. KG | Water purification using xylitol fibres |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD132963A1 (en) * | 1977-08-18 | 1978-11-22 | Langrock Ernst Juergen | METHOD FOR CLEANING WATER SURFACES |
| DD144254A1 (en) * | 1979-06-11 | 1980-10-08 | Siegrun Bauer | METHOD FOR CLEANING WAFERERS CONTAINING DYES |
| DE10123903A1 (en) * | 2001-05-17 | 2002-11-28 | Lausitzer Braunkohle Ag | Production of xylit based soil improver having e.g. moisture and nutrient retaining action, from young tertiary soft lignite by shock treatment, removal of dentritic lignite, opening fibers and drying |
| US6699389B1 (en) * | 1999-04-20 | 2004-03-02 | Global United, Inc. | Method and apparatus for removing organic waste from water |
-
2006
- 2006-04-08 DE DE102006016715A patent/DE102006016715A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD132963A1 (en) * | 1977-08-18 | 1978-11-22 | Langrock Ernst Juergen | METHOD FOR CLEANING WATER SURFACES |
| DD144254A1 (en) * | 1979-06-11 | 1980-10-08 | Siegrun Bauer | METHOD FOR CLEANING WAFERERS CONTAINING DYES |
| US6699389B1 (en) * | 1999-04-20 | 2004-03-02 | Global United, Inc. | Method and apparatus for removing organic waste from water |
| DE10123903A1 (en) * | 2001-05-17 | 2002-11-28 | Lausitzer Braunkohle Ag | Production of xylit based soil improver having e.g. moisture and nutrient retaining action, from young tertiary soft lignite by shock treatment, removal of dentritic lignite, opening fibers and drying |
Non-Patent Citations (4)
| Title |
|---|
| Firmenschrift der Fa. Vattenfall: "Yylit-der Bo- denkultivierer" (online),(recherchiert am 29.06. 2006). Im Internet:<URL:http://www.vattenfall.de> |
| Firmenschrift der Fa. Vattenfall: "Yylit-der Bodenkultivierer" (online),(recherchiert am 29.06. 2006). Im Internet:<URL:http://www.vattenfall.de> * |
| Hagen Knafla, "Xylit ist als Zuschlagstoff geeig- net" DEGA Ausgabe 41/2005, S. 19 |
| Hagen Knafla, "Xylit ist als Zuschlagstoff geeignet" DEGA Ausgabe 41/2005, S. 19 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2060549A3 (en) * | 2007-11-14 | 2013-05-29 | Rheinbraun Brennstoff GmbH | Culture substrate |
| EP2363379A1 (en) * | 2010-03-05 | 2011-09-07 | EST GmbH | Device for holding and/or enclosing microorganisms living in water or fluids which do not mix with water |
| WO2012025806A1 (en) | 2010-08-23 | 2012-03-01 | Nelson Mandela Metropolitan University | Carbonaceous fines beneficiation using micro-algae and related processes |
| CN103118754A (en) * | 2010-08-23 | 2013-05-22 | 纳尔逊曼德拉都市大学 | Carbonaceous meal enrichment using microalgae and related methods |
| AU2011294860B2 (en) * | 2010-08-23 | 2015-09-03 | Nelson Mandela Metropolitan University | Carbonaceous fines beneficiation using micro-algae and related processes |
| EP2608861A4 (en) * | 2010-08-23 | 2016-04-20 | Nelson Mandela Metropolitan University | ENRICHMENT OF CARBON FINE PARTICLES USING MICRO-ALGAE AND RELATED METHODS |
| CN103118754B (en) * | 2010-08-23 | 2017-05-31 | 纳尔逊曼德拉都市大学 | Carbonaceous meal enrichment using microalgae and related methods |
| WO2014187954A1 (en) * | 2013-05-23 | 2014-11-27 | Roess Nature Group GmbH & Co. KG | Water purification using xylitol fibres |
| DE102013209632A1 (en) * | 2013-05-23 | 2014-11-27 | Roess Nature Group GmbH & Co. KG | Water purification with xylitol fibers |
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