WO2015055866A1 - Membranes céramiques et dispositif de traitement de fluides - Google Patents

Membranes céramiques et dispositif de traitement de fluides Download PDF

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Publication number
WO2015055866A1
WO2015055866A1 PCT/ES2013/070725 ES2013070725W WO2015055866A1 WO 2015055866 A1 WO2015055866 A1 WO 2015055866A1 ES 2013070725 W ES2013070725 W ES 2013070725W WO 2015055866 A1 WO2015055866 A1 WO 2015055866A1
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WIPO (PCT)
Prior art keywords
pieces
ceramic
parts
treatment unit
fluid
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Application number
PCT/ES2013/070725
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English (en)
Spanish (es)
Inventor
Luis Mata Palma
Original Assignee
Tecambyot Slu
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tecambyot Slu filed Critical Tecambyot Slu
Priority to ES201690007A priority Critical patent/ES2592827B1/es
Priority to PCT/ES2013/070725 priority patent/WO2015055866A1/fr
Publication of WO2015055866A1 publication Critical patent/WO2015055866A1/fr

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/06—Tubular membrane modules
    • B01D63/066—Tubular membrane modules with a porous block having membrane coated passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/04—Clay; Kaolin
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/06—External membrane module supporting or fixing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/10—Specific supply elements
    • B01D2313/105—Supply manifolds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/12—Specific discharge elements
    • B01D2313/125—Discharge manifolds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/21—Specific headers, end caps
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602—Making the green bodies or pre-forms by moulding
    • C04B2235/6021—Extrusion moulding
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/94—Products characterised by their shape
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/95—Products characterised by their size, e.g. microceramics

Definitions

  • the water treatment sector is moving towards higher quality both in the supply for human consumption and in the purification and subsequent reuse of already used water.
  • This development and greater demands in the first world have synergies in less developed countries that can use new technologies, even more in those that have scarcity and fostering economies due to abundant resources in raw materials.
  • the desalination of water becomes one of the great challenges in those countries with scarcity.
  • the ceramic sector and in particular its industrial capacity are directed once the construction markets are mature towards new and innovative products, but hardly towards the environmental sector because in principle it is a very distant market from its natural market, even more so if the market It is global, when its natural building is local.
  • the water sector has among its most technological treatments membrane technology, they are physical processes that without additives operate in the separation of different parts of fluids in general, water, air and any other fluid. It is a global market in which technology advances between two materials, polymers of plastic and ceramic materials. We could frame the invention within the water technology sector and the advanced ceramics industry, and more specifically within the worldwide manufacturers of fluid treatment technology, which manufacture advanced ceramics and their complementary equipment.
  • the novelty of this invention is that the industry used is not that of advanced ceramics but the traditional one, and the market for this invention is not that of ceramic membranes but that of water.
  • the invention consists of a new formulation of raw materials for ceramic-based membranes and their industrial manufacturing process, as well as the equipment necessary to use these as a means of fluid filtration.
  • the ceramic membranes (figures 1 to 7) are composed of a macro ceramic pore support on which several layers of advanced ceramics are inserted, which are those that constitute the membrane itself.
  • the supports are formulated with a ceramic paste composed of up to 50% of native clays from the Bailen quarries (30% white, 10% black, 5% blonde and 5% red) and up to 50% ceramic oxides based on aluminum, titanium and zirconium oxide.
  • illiteic clays (20-35% illite, except for white clay) and with important quartz contents (30-40%). They have a feldspar content of less than 5%.
  • the White Clay has important contents of smectite (20-25%) and carbonates (25-30%, preferably calcite).
  • the Blonde and Black Clays are similar. These are clays with a higher quartz content (40%), an average carbonate content (15-20%) and a lower presence of smectite (approx. 15%). Black clay also has a higher content of organic matter and salts (sulfates).
  • Red Clay contains, in addition to illita, some kaolinite (15-20%) and greater presence of iron.
  • the carbonate content (preferably dolomite) is less than 10%.
  • the other 50% are made up of equal parts aluminum ceramic oxides (alpha or beta alumina), and carbon Micronized indistinctly from this coal, from the residue of olive or pruning of olive grove or from petroleum coke
  • regions of Castellón and Lleida (up to 50% of the mixture) characterized by having between 50-70% of Si02, between 10-30% of A1203, between 3-6% of Fe203, between 2-6% of MgO, between 0-4% of CaO, between 2-4% of Na20, between 0-6%.
  • the rest is made up of equal parts ceramic oxides of Aluminum (alpha and beta alumina), Titanium and Zirconium and micronized carbon indistinctly coming from this coal, from the olive or pruning residue of olive grove or from petroleum coke.
  • plastic clays are also used in the claims to improve the extrusion process that give Cordierite as the resulting ceramic phase, suitable for subsequent addition of alumina ceramic oxide layers for membranes.
  • the above formulation is formed by extrusion and sintering to obtain flat or tubular pieces with the shapes of Figures 1 to 7.
  • the extrusion forming process of the ceramic composition is characterized by mixing the defined components with water or fluidizer and extruding this paste to obtain tubular pieces of outer diameters between 32 and 90 mm and parallelepiped section Transverse from 20x200mm to 60x500mm, tongue and groove, (see figures 1 to 7), then the extruded pieces are cut in lengths from 30 cm to 200 cm and dried and sintered at 1,250 ° C to achieve resistant ceramic pieces.
  • the previous pieces are characterized by having the maximum of square or circular channels that allow their cross-section, between a minimum of channels of 5mm dimensions and 5mm spacing, up to a maximum of 2mm diameter channels and 2mm spacing (see figures 1 to 7 ).
  • the membrane is achieved by adding different types of sheets to the parallelepipedic pieces or supports, as follows:
  • Ceramic sheets of thicknesses between 1 and 100 microns composed of a mixture of oxides of aluminum (33%), titanium (33%) and zirconium (33%) and particle sizes between 1-10 microns.
  • the previous supports have an average pore size of between 0.1-10 microns, composed of a mixture of aluminum oxides and particle sizes between 1-75 microns.
  • These components in an alcoholic or aqueous medium make up a slip that is injected inside the ceramic pieces, then the A wet slip is adhered to the inside of the walls of the pieces, subsequently drying and sintering above 1,000 ° C is fixed to the ceramic piece.
  • These inner layers or membranes are composed of very fine aluminum, titanium and zirconium oxides that are fixed inside the supports; To do this, a slip is made with them and the pieces are filled inside, then the piece is emptied, leaving only a thin layer adhered to the inside of the pieces, then sintered to harden and fix the layer.
  • These inner layers can also be based on native clays, also making a slip with them that is subsequently fixed by immersion, drying and subsequent sintering.
  • This process can be repeated successively times depending on the result we want to obtain.
  • the ceramic pieces designed are composed of their external support structure and of the active internal layers (or membranes themselves), although for simplicity the whole assembly is called a membrane.
  • the invention includes the possibility of generating parallelepipedic pieces with their edges of the female male cross-section, this allows the option of admitting two or three rows in height of membranes each tray (one on top of others held between each two separators), being configured each tray up to a maximum of 20 x 3 membranes.
  • each treatment unit may have up to 5 trays that can repeat the configuration of the number and position of membranes here.
  • a variant of the machine consists of the installation of the membrane separators with a length of up to 100 cm high and flat in shape capable of housing one on top of the other up to 3 parallelepiped pieces joined by simple support from one on top of the other, (figure 14), each tray can accommodate up to 20 membranes in one height, or 60 in three heights.
  • the set is called a cassette and each module tray, thus forming each cassette with up to 5 modules or trays of up to 60 membranes each, whose mission is, that of the central part (figure 11) to support and ensure the relative position of the pieces ceramics, and the mission of the other two (those that are homologous and symmetrical) is to press and seal the assembly as well as being a means of entry and collection of fluid to or from the membranes.
  • a tray bearing system is provided in such a way that a possible rupture of a membrane makes it possible to replace it with relative simplicity. See figure 16.
  • Figure 1 shows a perspective of a type membrane that uses the machine, with parallelepipedic and tongue and groove. The elevation, plan and profile of the same are also attached.
  • Figure 2 shows a section of the membrane support with 5 channels of 28 x 40 mm.
  • Figure 3 shows a section of the membrane support with 120 channels of 5 x 5 mm.
  • Figure 4 shows a section of the membrane support of 200 channels of 5 x 5 mm.
  • Figure 5 shows a perspective of a cylindrical membrane type support, with a diameter of between 32 and 90 mm and a length of between 30 and 200 cm.
  • Figure 6 shows a type section for the membrane support with a 5 mm channel arrangement and a minimum separation of 5 mm.
  • Figure 7 shows a type section for the membrane support with an arrangement of 2 mm channels and a minimum separation of 2 mm. Both sections assume the upper and lower limits that the machine supports in its operation.
  • Figure 8 shows the fluid inlet and outlet piece for a configuration of 20 membranes per tray, in it you can see the rubber transition zone between machine and membrane (1), lugs to ensure the positioning and tightening of both (2), the fluid inlet and outlet elements, composed of a series of threaded inch sockets (3) and legs to ensure support and perpendicularity between this piece and the membranes (4).
  • Figure 9 shows the same piece of Figure 8 with the same elements, with the sole exception of being manufactured for a 10-membrane configuration.
  • Figure 10 shows a fluid inlet and outlet part in the case of a configuration of individual parts in each membrane.
  • metal parts have been added to ensure the position of the parallelepiped membrane (5), the operation is similar to the pieces of figures 9 and 10.
  • Figure 11 shows the structure responsible for supporting the membranes. It is a steel frame equipped with side dividers (6) to ensure the position of each membrane. It also has nylon wheels (7) on stainless steel shafts (8) to be able to move them when making a membrane change.
  • Figure 12 shows how each tray will be installed inside the frame. As you can see the support structure of the membranes, described in Figure 11, is supported on steel bars, thus ensuring its position and perpendicularity with the fluid intake parts. Guides (10) have been installed on each floor on which the water inlet and outlet elements will rest. Side spindles (9) have also been installed to be able to fix and press the parts described in Figures 8 to 10.
  • Figure 13 shows a view of how the parallelepipedic membranes are in each tray, before installing the input and output parts.
  • Figure 14 shows a view of how the parallelepipedic membranes are in the individual tray or module configuration with three heights.
  • Figure 15 shows how each tray looks like with all the elements already installed and ready to operate.
  • the fasteners of the entire system (11) consisting of threaded rods can be seen through the lugs of the fluid inlet and outlet parts.
  • Figure 16 shows the general structure of the machine with all the elements and ready to work together with the membranes, in this case one of three heights has been represented, being able to reach up to 5.
  • the embodiment of the membrane supports of the present invention consists in executing the traditional methodology of the existing brick industries. This is to grind the different clays that will be used as raw material to the size indicated in the patent itself and mix them according to the indicated formulation. After mixing, they are humidified, with a percentage of less than 20% water and subsequent kneading.
  • the last step consists of cooking the pieces in a conventional oven, at temperatures below 1,200 ° C.
  • the frame will be manufactured by using stainless steel (some parts can be replaced by plastic materials).
  • the general structure is formed by welded stainless steel square tubes.
  • the wheels are formed by stainless steel bearings and nylon outer shell, custom-made around.

Abstract

La présente invention concerne une nouvelle formulation de la pâte céramique utilisée habituellement pour la fabrication des membranes céramiques, qui fait appel à des argiles normalement destinées à la fabrication de pièces structurales. De plus, l'invention introduit une innovation de la mise en forme de la cette pâte pour la fabrication de membranes, ces dernières pouvant être planes en plus des formes tubulaires utilisées couramment aujourd'hui pour les membranes céramiques. Pour finir l'invention concerne un procédé d'utilisation de ces membranes pour la filtration de liquides selon la technique de filtration tangentielle.
PCT/ES2013/070725 2013-10-20 2013-10-20 Membranes céramiques et dispositif de traitement de fluides WO2015055866A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES201690007A ES2592827B1 (es) 2013-10-20 2013-10-20 Membranas cerámicas y equipamiento para el tratamiento de fluidos
PCT/ES2013/070725 WO2015055866A1 (fr) 2013-10-20 2013-10-20 Membranes céramiques et dispositif de traitement de fluides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2013/070725 WO2015055866A1 (fr) 2013-10-20 2013-10-20 Membranes céramiques et dispositif de traitement de fluides

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WO2015055866A1 true WO2015055866A1 (fr) 2015-04-23

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WO (1) WO2015055866A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108793953A (zh) * 2018-06-29 2018-11-13 河源市东源鹰牌陶瓷有限公司 一种低温快烧低黏土釉面砖坯体及其制备方法
CN113800885A (zh) * 2021-09-30 2021-12-17 广东金牌陶瓷有限公司 一种黑色陶瓷大板及其制备方法

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EP2248768A1 (fr) * 2009-05-05 2010-11-10 Sociedad Anónima Minera Catalano-Aragonesa Procédé de production d'eau potable par coagulation-floculation en utilisant un produit minéral contenant des argiles et des carbonates minéraux
WO2010141582A1 (fr) * 2009-06-02 2010-12-09 Anthony Reid Harvey Dispositif de purification d'eau en céramique
ES2396638A1 (es) * 2011-06-07 2013-02-25 Tecambyot S.L.U. Técnicas Ambientales Y Byotecnología Esferas cerámicas, baldosas filtrantes y tubos cerámicos porosos con aplicación y utilidad en el sistema de depuración biológica por lechos bacterianos o biofiltro.
ES2416834A1 (es) * 2012-01-30 2013-08-02 Tecambyot Slu Máquina para filtración de líquidos con membranas cerámicas

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CN1094988A (zh) * 1994-04-22 1994-11-16 景德镇市特种陶瓷研究所 多孔陶瓷滤芯和全陶瓷净化饮水器
WO2006060778A2 (fr) * 2004-12-03 2006-06-08 Solutions Benefiting Life Institute Ltd. Procede et appareil de desactivation de bacteries
CN101445388A (zh) * 2008-12-11 2009-06-03 中国科学院嘉兴材料与化工技术工程中心 一种处理废水的多孔陶粒及其制造方法
EP2248768A1 (fr) * 2009-05-05 2010-11-10 Sociedad Anónima Minera Catalano-Aragonesa Procédé de production d'eau potable par coagulation-floculation en utilisant un produit minéral contenant des argiles et des carbonates minéraux
WO2010141582A1 (fr) * 2009-06-02 2010-12-09 Anthony Reid Harvey Dispositif de purification d'eau en céramique
ES2396638A1 (es) * 2011-06-07 2013-02-25 Tecambyot S.L.U. Técnicas Ambientales Y Byotecnología Esferas cerámicas, baldosas filtrantes y tubos cerámicos porosos con aplicación y utilidad en el sistema de depuración biológica por lechos bacterianos o biofiltro.
ES2416834A1 (es) * 2012-01-30 2013-08-02 Tecambyot Slu Máquina para filtración de líquidos con membranas cerámicas

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108793953A (zh) * 2018-06-29 2018-11-13 河源市东源鹰牌陶瓷有限公司 一种低温快烧低黏土釉面砖坯体及其制备方法
CN108793953B (zh) * 2018-06-29 2021-09-17 河源市东源鹰牌陶瓷有限公司 一种低温快烧低黏土釉面砖坯体及其制备方法
CN113800885A (zh) * 2021-09-30 2021-12-17 广东金牌陶瓷有限公司 一种黑色陶瓷大板及其制备方法

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