DE20117018U1 - Agents for the treatment of organic and inorganic substances - Google Patents

Agents for the treatment of organic and inorganic substances

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Publication number
DE20117018U1
DE20117018U1 DE20117018U DE20117018U DE20117018U1 DE 20117018 U1 DE20117018 U1 DE 20117018U1 DE 20117018 U DE20117018 U DE 20117018U DE 20117018 U DE20117018 U DE 20117018U DE 20117018 U1 DE20117018 U1 DE 20117018U1
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preparation
organic
feature
preparation according
carbonates
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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.)
Expired - Lifetime
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DE20117018U
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German (de)
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AHD HANDELS und DIENSTLEISTUNG
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AHD HANDELS und DIENSTLEISTUNG
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Priority to DE20117018U priority Critical patent/DE20117018U1/en
Publication of DE20117018U1 publication Critical patent/DE20117018U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • C02F11/145—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances using calcium compounds
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D3/00—Calcareous fertilisers
    • C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/10—Addition or removal of substances other than water or air to or from the material during the treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • 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
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Description

GebrauchsmusterUtility model

Präparat zur Behandlung organischer und/oder anorganischer Materialien - Neutralisation,Preparation for the treatment of organic and/or inorganic materials - neutralization,

Stabilisierung, Konditionierung, Hygienisierung, Geruchseliminierung - sowie zur
Adsorption undExtraktion organischer und anorganischer fester, flüssiger oder gasförmigerStabilization, conditioning, hygienization, odor elimination - as well as
Adsorption and extraction of organic and inorganic solid, liquid or gaseous

StoffeFabrics

Die vorliegende Erfindung^bezieht sich auf ein Präparat zur Behandlung organischer und/oder anorganischer Substanzen wie z.B. Metall- oder Klärschlämme, Gülle, Komposte, Böden; ebenso^ geeignet zur Adsorption und- Extraktion bzw. Absorption organischer und anorganischer fester, flüssiger gelöster und gasförmiger Stoffe wie z.B. Mutterlaugen, Ammoniak.The present invention relates to a preparation for the treatment of organic and/or inorganic substances such as metal or sewage sludge, liquid manure, compost, soil; also suitable for the adsorption and extraction or absorption of organic and inorganic solid, liquid, dissolved and gaseous substances such as mother liquors, ammonia.

Dabei erfolgt durch einen vorzugsweise^ hohen Anteil basisch reagierender Stoffe eine rasche Neutralisation organischer und anorganischer Säuren wobei in Abhängigkeit von den tatsächlick. gewähltem Bindungsformen det Basen (Oxide, Hydroxide und/oder Carbonate sowie Silikate des Natriums, Kaliums, Magnesiums und/oder Calciums) gleichzeitig die stabilisierende, hygienisierende und konditionierende Wirkung in organischen Substanzen einsetzt. Besonderheit der Erfindung ist jedoch die Kombination der basisch wirksamen Stoffe mit ausgesprochen porösen und/oder quellfähigen Natrium- und/oder Kalium- und/oder Aluminium- und/oder Magnesium- und/oder Calciumsilikatphasen. Unterschiedliche TonmineralieEL aber aucLfeinteilige,-offenporige Mineralien^ und Gesteine können dabei Verwendung; fmdeiv Aufgrund der veränderbaren_ Silikat- und/oder Carbonatanteilejmdj^ phasen lassen sick so verschiedenste-Adsorptions- und Extraktionsmechanismen realisieren, wodurch insbesondere die Emissionen von übel riechenden oder sogar schädlichen organischen, und/oder anorganischen Gasen wie z.B. Mercaptane, Terpene, Aldehyde, Ammoniak verhindert oder zumindest verringert werden. Diese Funktion der Erfindung kommt insbesondere auclL hei, den Verwendungen entsprechenden technischen Filteranlagen zur Reinhaltung der Luft zum Tragen. Ein weiteres Merkmal ist die chemische und physikalische Bindung von z^ X schädlichen Metallionen wie zJ^. Blei und Cadmium aber auch Arsen durch das im erfindungsgemäßen Mittel vorliegende basisch-poröse System.A preferably high proportion of basic substances results in rapid neutralization of organic and inorganic acids, whereby, depending on the actual bonding forms of the bases selected (oxides, hydroxides and/or carbonates as well as silicates of sodium, potassium, magnesium and/or calcium), the stabilizing, hygienizing and conditioning effect in organic substances is simultaneously initiated. The special feature of the invention, however, is the combination of the basic substances with extremely porous and/or swellable sodium and/or potassium and/or aluminum and/or magnesium and/or calcium silicate phases. Various clay minerals as well as fine-particle, open-pored minerals and rocks can be used. Due to the variable silicate and/or carbonate content, a wide variety of adsorption and extraction mechanisms can be implemented, whereby in particular the emissions of foul-smelling or even harmful organic and/or inorganic gases such as mercaptans, terpenes, aldehydes and ammonia are prevented or at least reduced. This function of the invention is also particularly useful in technical filter systems for keeping the air clean, which correspond to the applications. A further feature is the chemical and physical binding of harmful metal ions such as lead and cadmium, but also arsenic, by the basic-porous system present in the agent according to the invention.

Die physikalischen und-chemischen Eigenschaften der organischen Substanzen werden durch den Einsatz des erfindungsgemäßen Mittels verbessert: Deutliche Reduktion von anhaftendem Wasser verbunden mit erhöhtet mechanischer Belastbarkeit behandelter organischer und anorganischer Schlämme; organische und anorganische Schadstoffe werden in immobile Phasen überfuhrt oder stabil adsorbiert und- absorbiert- bzw. extrahiert; ebenso werden Nährstoffe konserviert und vor Auswaschung geschützt. Die organischen Materialien sind nach der Behandlung_nygienisch-unbedenklich und darüber hinaus mechanisch problemlos zu handhaben. Die besonders großen Oberflächen der Silikatkomponenten und der Hydroxide aber auch die- Oberflächen-verschiedener- Carbonatvarietäten bilden zudem eine vorzügliche Besiedlungsbasis für Mikroorganismen, weshalb biologische Ab- und Umbauprozesse und die Mineralisation organischen-Materials beschleunigt und vollkommener verlaufen. Z.B. konnte in Kompostierungsversuchen mit Bioabfall und Grünschnitt bei gleichem Ziel-Rottegrad eine Rottebeschleunigung, mit 25-bis-4S % Zeitersparnis erreicht werden. Versuche in Rindergülle zeigten, daß Sinkschichten vermieden und Schwimmschichten biologisch aufgelöst werden. Gleichzeitig, tratenkeine üblen Geruchsemissionen mehr auf.The physical and chemical properties of the organic substances are improved by the use of the agent according to the invention: Significant reduction of adhering water combined with increased mechanical resilience of treated organic and inorganic sludge; organic and inorganic pollutants are converted into immobile phases or stably adsorbed and absorbed or extracted; nutrients are also preserved and protected from leaching. After treatment, the organic materials are hygienically safe and can also be handled mechanically without any problems. The particularly large surface areas of the silicate components and the hydroxides, as well as the surfaces of various carbonate varieties, also form an excellent colonization base for microorganisms, which is why biological decomposition and conversion processes and the mineralization of organic material are accelerated and more complete. For example, in composting experiments with organic waste and green waste, a rotting acceleration with a time saving of 25 to 45% was achieved with the same target degree of rotting. Tests on cattle manure showed that settling layers were avoided and floating layers were biologically dissolved. At the same time, unpleasant odor emissions no longer occurred.

Die Anteile der Hauptkomponenten im erfindungsgemäßen Präparates können nach bisher vorliegenden Versuchsergebnissen- mit.2-bis 98 MA-% Aluminium- und/oder Calcium- und/oder Magnesium- und/oder Kaliumoxiden und/oder -hydroxiden und/oder -carbonaten und 2 bis 98 Mar% Aluminium- und/oder ..Calcium= und/oder Kalium- und/oder Natrium- und/oder Magnesiumsilikatphasen angegeben werden.The proportions of the main components in the preparation according to the invention can be specified according to the test results available to date as 2 to 98 MA% aluminum and/or calcium and/or magnesium and/or potassium oxides and/or hydroxides and/or carbonates and 2 to 98 MA% aluminum and/or calcium and/or potassium and/or sodium and/or magnesium silicate phases.

Die Oxide, und/oder Hydroxide und/oder Carbonate des Aluminiums und/oder Calciums und/oder Magnesiums können im Präparat gänzlich oder auch zum Teil durch Sulfate und/oder Sulfite ersetzt- vorliegen; letztgenannte sind dann von Interesse, wenn eine Reaktionsverschiebung mit steigenden pH-Werten nicht erforderlich ist, die biologische Aktivität-jedoch angeregt, und gleichzeitig Geruchsbildner neutralisiert werden sollen. Die basische Reaktion kann also verstärkt oder auch abgeschwächt und somit im jeweils vorliegende Millieu bedarfsgerecht eingestellt werden.The oxides and/or hydroxides and/or carbonates of aluminum and/or calcium and/or magnesium can be completely or partially replaced by sulfates and/or sulfites in the preparation; the latter are of interest when a shift in the reaction with increasing pH values is not required, but the biological activity is to be stimulated and odorants are to be neutralized at the same time. The basic reaction can therefore be strengthened or weakened and thus adjusted to suit the needs of the environment in question.

Alle basisch wirksamen Stoffe sowie die Sulfate und Sulfite aber auch die Silikatkomponenten können im Sinne der Kreislaufwirtschaft durch entsprechende „Sekundärrohstoffe" substituiert werden, z.B. Sulfate und/oder Sulfite aus der Rauchgasreinigung oder aus der Produktion, organischer Säuren, Carbonate aus der Wasseraufbereitung und/oder Sodaherstellung.All basic substances as well as sulfates and sulfites and also the silicate components can be substituted by corresponding "secondary raw materials" in the sense of the circular economy, e.g. sulfates and/or sulfites from flue gas cleaning or from the production of organic acids, carbonates from water treatment and/or soda production.

Eine Impfung^es- Mittels mit Mtooorgam\smen ist dann von besonderer Bedeja^
z.B. Kontamination der organischen und/oder anorganischen Substanzen mit Mineralölen, Terpenen oder anderen., schwer, abbaubaren.. StoffgrupperL vorliegt. Entsprechende Bakterienarten wie z.B. Azotobakter, Bacillus, Nitrosomonas, Nitrobakter und deren spezialisierte Stämmerunden geradehier. das Wirkungsspektrum des Präparates ab.A vaccination with Mtooorgam\smen is then of particular importance
eg contamination of the organic and/or inorganic substances with mineral oils, terpenes or other, difficult to degrade, substance groups. Corresponding bacterial species such as Azotobacter, Bacillus, Nitrosomonas, Nitrobacter and their specialized strains round out the spectrum of action of the preparation.

Eine Granulat-, Kompaktat- oder Suspensionsbildung ist im Sinne eines jeweils optimalen Handlings.bzw. ist-verfahrensspezifisch möglich und sinnvoll.Granulate, compactate or suspension formation is possible and useful in the interests of optimal handling or is process-specific.

Claims (8)

1. Homogenisiertes Präparat zur physikalischen und/oder chemischen und/oder biologischen Behandlung von organischen und/oder anorganischen Materialien wie z. B. Gülle, Kompost, Klärschlamm, Boden; geeignet zur gleichzeitigen Neutralisation, Stabilisierung, Konditionierung, Hygienisierung und Geruchseliminierung sowie zur Adsorption und Extraktion organischer und/oder anorganischen fester, flüssiger und/oder gasförmiger Schadstoffe, gekennzeichnet durch die Merkmale: - das Präparat ist zusammengesetzt aus jeweils 2 bis 98 MA-% Oxiden und/oder Hydroxiden und/oder Carbonaten des Aluminiums und/oder Calciums und/oder Magnesiums und/oder Kaliums und 2 bis 98 MA-% Aluminium- und/oder Calcium- und/oder Kalium- und/oder Magnesium- und/oder Natriumsilikaten dem Einsatzzweck entsprechend, - die Silikatkomponenten bestehen aus offenporigen Mineralien und Gesteinsfraktionen überwiegend vulkanischen Ursprungs und/oder Tonmineralien der Kaolin- und/oder Illit- und/oder Vermiculit- und/oder Smectit-Gruppe, - abhängig vom physikalischen und/oder chemischen und/oder biologischen Reaktionsbedarf beträgt die verfügbare Oberfläche zwischen 200 und 20.000 cm3 je Gramm des Mittels, - die erforderlichen Komponenten werden nach dem Zusammenfügen und Homogenisieren in eine für den Verwendungszweck geeignete Endform überführt. 1. Homogenised preparation for the physical and/or chemical and/or biological treatment of organic and/or inorganic materials such as liquid manure, compost, sewage sludge, soil; suitable for the simultaneous neutralisation, stabilisation, conditioning, hygienisation and odour elimination as well as for the adsorption and extraction of organic and/or inorganic solid, liquid and/or gaseous pollutants, characterised by the following features: - the preparation is composed of 2 to 98 MA-% oxides and/or hydroxides and/or carbonates of aluminium and/or calcium and/or magnesium and/or potassium and 2 to 98 MA-% aluminium and/or calcium and/or potassium and/or magnesium and/or sodium silicates depending on the intended use, - the silicate components consist of open-pored minerals and rock fractions of predominantly volcanic origin and/or clay minerals of the kaolin and/or illite and/or vermiculite and/or smectite group, - depending on the physical and/or chemical and/or biological reaction requirements, the available surface is between 200 and 20,000 cm 3 per gram of agent, - the required components are combined and homogenized and converted into a final form suitable for the intended use. 2. Präparat nach Anspruch 1, gekennzeichnet durch das Merkmal: - zur Veränderung der basischen Reaktion können die Oxide und/oder Hydroxide des Aluminiums und/oder Calciums und/oder Magnesiums teilweise oder vollständig durch 0 bis 98% Carbonate und/oder 0 bis 98% Sulfate und/oder 0 bis 98% Sulfite ausgetauscht werden. 2. Preparation according to claim 1, characterized by the feature: - to modify the basic reaction, the oxides and/or hydroxides of aluminium and/or calcium and/or magnesium can be partially or completely replaced by 0 to 98% carbonates and/or 0 to 98% sulphates and/or 0 to 98% sulphites. 3. Präparat nach Anspruch 1 und 2, gekennzeichnet durch das Merkmal: - im Sinne der Kreislaufwirtschaft können primäre Oxide, Hydroxide, Carbonate, Sulfate, Sulfite, Silikate und Tonmineralien im Präparat ganz oder teilweise in Form von "Sekundärrohstoffen" vorliegen, z. B. Carbonate als Carbonatschlamm aus der Wasseraufbereitung, oder Sulfate als Sulfatschlamm aus der Rauchgasreinigung oder der Produktion organischer Säuren und im Falle der Tonmineralien entsprechende Waschrückstände aus der Sand- und Kiesgewinnung. 3. Preparation according to claim 1 and 2, characterized by the feature: - in the sense of the circular economy, primary oxides, hydroxides, carbonates, sulphates, sulphites, silicates and clay minerals can be present in the preparation wholly or partly in the form of "secondary raw materials", e.g. carbonates as carbonate sludge from water treatment, or sulphates as sulphate sludge from flue gas cleaning or the production of organic acids and, in the case of clay minerals, corresponding washing residues from sand and gravel extraction. 4. Präparat nach einem der Ansprüche 1 bis 3, gekennzeichnet durch das Merkmal: - zur Beschleunigung biochemischer Ab- und Umbauprozesse insbesondere bei Vorhandensein von z. B. Mineralölen, Mercaptanen, Terpenen können in dem Präparat 0 bis 2% Mikroorganismen wie z. B.. Achromobakter, Azotobakter, Bacillus, Beierinckia, Nitrobakter, Nitrosomonas, Pseudomonas bzw. deren spezifisch wirkender Stämmen enthalten sein. 4. Preparation according to one of claims 1 to 3, characterized by the feature: - to accelerate biochemical degradation and conversion processes, particularly in the presence of mineral oils, mercaptans, terpenes, for example, the preparation may contain 0 to 2% microorganisms such as Achromobacter, Azotobacter, Bacillus, Beierinckia, Nitrobacter, Nitrosomonas, Pseudomonas or their specifically acting strains. 5. Präparat nach einem der Ansprüche 1 bis 4, gekennzeichnet durch das Merkmal: - das Präparat liegt als lager-, transport- und ausstreustabiles und -sicheres Granulat, Kompaktat bzw. Pellet vor. 5. Preparation according to one of claims 1 to 4, characterized by the feature: - the preparation is available as granulate, compactate or pellet which is stable and safe for storage, transport and spreading. 6. Präparat nach einem der Ansprüche 1 bis 5, gekennzeichnet durch das Merkmal: - bei Bedarf liegt das Präparat in einer lager-, trarisport- und ausbringstabilen und -sicheren Suspension vor. 6. Preparation according to one of claims 1 to 5, characterized by the feature: - if required, the preparation is available in a suspension that is stable and safe for storage, transport and application. 7. Präparat nach einem der Ansprüche 1 bis 6, gekennzeichnet durch die Merkmale: - die Granulate, Kompaktate bzw. Pellets sind in. Fraktionen von größer 0 bis 20 mm Durchmesser klassiert, - Über- oder Unterkorn wird recycliert. 7. Preparation according to one of claims 1 to 6, characterized by the features: - the granules, compacts or pellets are classified into fractions of greater than 0 to 20 mm diameter, - Over- or under-sized particles are recycled. 8. Präparat nach einem der Ansprüche 1 bis 7, gekennzeichnet durch das Merkmal: - das Präparat entsteht während der Behandlung der organischen und/oder anorganischen Massen. 8. Preparation according to one of claims 1 to 7, characterized by the feature: - the preparation is created during the treatment of organic and/or inorganic masses.
DE20117018U 2001-10-20 2001-10-20 Agents for the treatment of organic and inorganic substances Expired - Lifetime DE20117018U1 (en)

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DE20117018U DE20117018U1 (en) 2001-10-20 2001-10-20 Agents for the treatment of organic and inorganic substances

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108101343A (en) * 2017-12-18 2018-06-01 李宇涵 A kind of bauxite ground mass sludge treating agent and its preparation method and application
US10822442B2 (en) 2017-07-17 2020-11-03 Ecolab Usa Inc. Rheology-modifying agents for slurries

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10822442B2 (en) 2017-07-17 2020-11-03 Ecolab Usa Inc. Rheology-modifying agents for slurries
CN108101343A (en) * 2017-12-18 2018-06-01 李宇涵 A kind of bauxite ground mass sludge treating agent and its preparation method and application

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