The current invention relates to a method for the production of a filtration membrane envelope comprising a 3D spacer fabric interposed between two membrane layers cast onto said 3D spacer fabric, wherein said method comprises a casting step, wherein during said casting step a polymer solution is applied to the outer surface of said 3D spacer fabric, wherein said polymer is applied by means of an injection process by means of a casting module and wherein said excess of coating material is removed by a casting head comprising a casting head, wherein prior or during the casting process the variation in thickness, roughness and/or tapering of the fabric is measured and the distance between the 3D fabric and the casting head is adjusted based on said measurement.
B01D 65/00 - Accessoires ou opérations auxiliaires, en général, pour les procédés ou les appareils de séparation utilisant des membranes semi-perméables
The current invention relates to a filtration membrane envelope (3) comprising a 3D spacer fabric (7) having an upper and lower surface (9, 10) tied together and spaced apart by monofilament threads (11), said 3D spacer fabric is interposed between two membrane layers, and forming a permeate channel (12), wherein said membrane layers are cast respectively on said upper and lower fabric surface of said 3D spacer fabric and wherein said upper and lower fabric surfaces are at least partially embedded in said membrane layers, thereby forming an upper and lower anchorage section (13, 14), characterized in that said anchorage section have a minimal thickness of 100 micron.
B01D 65/00 - Accessoires ou opérations auxiliaires, en général, pour les procédés ou les appareils de séparation utilisant des membranes semi-perméables
B01D 67/00 - Procédés spécialement adaptés à la fabrication de membranes semi-perméables destinées aux procédés ou aux appareils de séparation
B01D 69/10 - Membranes sur supportSupports pour membranes
C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
The current invention relates to a filtration module for the purification and/or filtering of a fluid such as water or wastewater: said module comprises a plurality of filtration membrane envelopes, which are vertical, parallel, and spaced to one another in a rigid holder, wherein each filter membrane envelope has an end portion covered by a U-shaped cap, characterized in that, said cap is a metal cap, preferably a stainless steel cap.
The current invention relates to a filtration membrane envelope (3) comprising a 3D spacer fabric (7) having an upper and lower surface (9, 10) tied together and spaced apart by monofilament threads (11), said 3D spacer fabric is interposed between two membrane layers, and forming a permeate channel (12), wherein said membrane layers are cast respectively on said upper and lower fabric surface of said 3D spacer fabric and wherein said upper and lower fabric surfaces are at least partially embedded in said membrane layers, thereby forming an upper and lower anchorage section (13, 14), characterized in that said anchorage section have a minimal thickness of 100 micron.
B01D 65/00 - Accessoires ou opérations auxiliaires, en général, pour les procédés ou les appareils de séparation utilisant des membranes semi-perméables
D04B 21/00 - Procédés de tricotage chaîne pour la production de tricots ou articles qui ne dépendent pas de l'emploi de machines particulièresTricots ou articles définis par de tels procédés
The current invention relates to a method for the production of a filtration membrane envelope comprising a 3D spacer fabric interposed between two membrane layers cast onto said 3D spacer fabric, wherein said method comprises a casting step, wherein during said casting step a polymer solution is applied to the outer surface of said 3D spacer fabric, wherein said polymer is applied by means of an injection process by means of a casting module and wherein said excess of coating material is removed by a casting head comprising a casting head, wherein prior or during the casting process the variation in thickness, roughness and/or tapering of the fabric is measured and the distance between the 3D fabric and the casting head is adjusted based on said measurement.
B01D 65/00 - Accessoires ou opérations auxiliaires, en général, pour les procédés ou les appareils de séparation utilisant des membranes semi-perméables
B01D 67/00 - Procédés spécialement adaptés à la fabrication de membranes semi-perméables destinées aux procédés ou aux appareils de séparation
The current invention relates to a method for operating a water filtration module comprises a plurality of planar filtration membrane envelopes, that are vertical, parallel and spaced to one another in a rigid holder, wherein each filter membrane envelope comprises a 3D spacer fabric interposed between two membrane layers, characterized in that said membrane envelopes have a membrane permeability of between 500 and 1500 l/m2.h.bar and wherein the average filtration flux of the water at the membrane entrance is between 20 and 100 l/m2.h. In a second aspect, the current invention also relates to a water filtration module.
B01D 69/02 - Membranes semi-perméables destinées aux procédés ou aux appareils de séparation, caractérisées par leur forme, leur structure ou leurs propriétésProcédés spécialement adaptés à leur fabrication caractérisées par leurs propriétés
B01D 69/10 - Membranes sur supportSupports pour membranes
C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
The current invention relates to a filtration module for the purification and/or filtering of a fluid such as water or wastewater; said module comprises a plurality of filtration membrane envelopes, which are vertical, parallel, and spaced to one another in a rigid holder, wherein each filter membrane envelope has an end portion covered by a U-shaped cap, characterized in that, said cap is a metal cap, preferably a stainless steel cap.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Filter apparatus for water supply installations; water purification, water desalting, water filtering and water treatment apparatus and installations; industrial installations for the filtering of liquids; installations for biological purification of water by means of membrane technology; membranes for the filtering of water; filters (parts of industrial installations). Water treatment and purification; waste water treatment and purification; water preparation and process water preparation; water filtering; water recycling; recycling and processing of energy products, such as water, also referring to re-use; rental of water filters.
In a first aspect, the invention provides a method for manufacturing an integrated permeate channel membrane, said method comprising the steps of (i) providing a membrane layer to each of a first fabric layer and a second fabric layer, the fabric layers being at least partly embedded in the membrane layers, and (ii) interconnecting said first and second fabric layers parallel to each other. In particular, both fabric layers are further provided with a plurality of anchor members, wherein the fabric layers are interconnected and spaced apart via anchor members of the respective fabric layers interacting with each other, forming bonds. In further aspects, the invention provides an integrated permeate channel membrane, a water filter module, and the use thereof for the treatment of water.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Electrodes and membranes for scientific devices; membranes
for filtration for scientific use; bioreactors for cell
culture; bioreactors for laboratory use; bioreactors for
research purposes; fermenters [laboratory apparatus];
scientific apparatus and instruments; measuring, weighing,
signaling and checking apparatus and instruments; apparatus
and instruments for conducting, distributing, converting,
storing, regulating and controlling electric current;
apparatus for recording, transmission and reproduction of
sound or images; magnetic data carriers; data processing
equipment and computers; software. Membrane purification equipment for purifying water; filter
apparatus for water supply installations; water
purification, desalination, filtering and treatment
apparatus and installations; industrial installations for
filtering liquids; installations for the biological
purification of water using membrane technology; membranes
for filtering water; filters (parts of industrial
installations); bioreactors for waste water processing;
bioreactors for waste processing. Scientific and technological services and related research
and design services; services in the field of industrial
analysis and research; design and development of software;
research in the field of environmental protection; chemical
research; consultancy relating to membrane technology.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Electrodes and membranes for scientific devices in the field of wastewater treatment, water re-use and filtration and purification of liquids and air ; membranes for filtration, namely, membranes specially designed for use as filters in the field of wastewater treatment, water re-use and for the filtration and purification of liquids and air; bioreactors for cell culturing; bioreactors for laboratory use Water filtering apparatus for water supply installations; water purification, water desalting, water filtering and electrostatic water treatment apparatus and installations; water filtering apparatus, namely, industrial installation for the filtering of liquids in the nature of filtration membranes as part of industrial installations; installation for biological purification of water by means of membrane technology; water filtering apparatus, namely, filters in the nature of filtering membranes as parts of industrial installations Scientific and technological services, namely, research and design in the field of membrane technology; software design and development; research in the field of environmental protection; chemical research; consultancy relating to membrane technology
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Membranes for scientific apparatus; membranes for filtration
(scientific); bioreactors for cell culture, bioreactors for
laboratory use, bioreactors for research purposes,
bioreactors for use in waste management and waste water
treatment; fermenters; scientific apparatus and instruments,
measuring, weighing, signaling, and control devices and
instruments; apparatus and instruments for conducting,
distribution, switching, conversion, storage, regulating or
controlling electric current; apparatus for recording,
transmission or reproduction of sound or images; magnetic
data carriers; data processing equipment and computers;
software. Filter apparatus for water supply installations; water
purification, water desalting, filtering, treatment
apparatus and installations; industrial installations for
the filtering of liquids; installations for biological
purification of water by means of membrane technology;
membranes for the filtering of water; filters (parts of
industrial installations). Polymeric membranes, insulating waterproof membranes,
membranes and semi-processed synthetic filtering materials,
polymeric porous membranes in the form of foils,
cross-linked polymeric membranes in the form of hollow
fibers. Water treatment and purification; waste water treatment and
purification; water preparation and process water
preparation; water filtering; water recycling; recycling and
processing of energy products, such as water, also referring
to re-use; rental of water filters.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Membranes for scientific apparatus; membranes for filtration
(scientific); bioreactors for cell culture, bioreactors for
laboratory use, bioreactors for research purposes,
bioreactors for use in waste management and waste water
treatment; fermenters; scientific apparatus and instruments,
measuring, weighing, signaling, and control devices and
instruments; apparatus and instruments for conducting,
distribution, switching, conversion, storage, regulating or
controlling electric current; apparatus for recording,
transmission or reproduction of sound or images; magnetic
data carriers; data processing equipment and computers;
software. Filter apparatus for water supply installations; water
purification, water desalting, filtering, treatment
apparatus and installations; industrial installations for
the filtering of liquids; installations for biological
purification of water by means of membrane technology;
membranes for the filtering of water; filters (parts of
industrial installations). Polymeric membranes, insulating waterproof membranes,
membranes and semi-processed synthetic filtering materials,
polymeric porous membranes in the form of foils,
cross-linked polymeric membranes in the form of hollow
fibers. Water treatment and purification; waste water treatment and
purification; water preparation and process water
preparation; water filtering; water recycling; recycling and
processing of energy products, such as water, also referring
to re-use; rental of water filters.
14.
Membrane bags with seamless membrane substance, uses thereof, filtration units therewith and manufacturing processes
Disclosed are seamless membrane bags, for example, a membrane bag comprising a spacer fabric and a volume for permeate collection, the spacer fabric comprising a first part and a second part that are spaced apart and tied together at a predefined distance by monofilament thread and the first and second parts are at least partially embedded with membrane substance and the volume for permeate collection is interposed between the first and second parts. The membrane substance embeds portions of the monofilament thread and fills the spacer fabric along the border of the membrane bag. The membrane substance completely enclosing the volume is seamless. Also disclosed are processes for producing such bags, a filtration unit comprising such a membrane bag, and their uses in the separation of fluids, vapors and particles.
A membrane bag comprising a volume for permeate collection, wherein the volume is completely enclosed in seamless membrane substance; a filtration unit comprising at least one above-described seamless membrane bag; the use of at least one above-described seamless membrane bag in a membrane bioreactor; the use of at least one above-described seamless membrane bag in water filtration or waste water purification; and the use of at least one above-described seamless membrane bag for the filtration or separation of a mixture of fluids, vapors and particles.
B01D 63/00 - Appareils en général pour les procédés de séparation utilisant des membranes semi-perméables
B01D 39/00 - Substance filtrante pour fluides liquides ou gazeux
B01D 29/00 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants
A membrane has a permeate channel including a 3D spacer fabric having an upper and a lower fabric surface (2,3) spaced apart by monofilament thread (4) at a predefined distance, the permeate channel being interposed between two membrane layers (12, 13), wherein the membrane layers are linked at a multitude of points with the upper and lower fabric surfaces to form an integral structure with a high bonding strength suitable for backflush operations. A method provides an integrated permeate channel membrane, including the steps of: —Providing a 3D spacer fabric having an upper and lower surface fabric (2,3) spaced apart by monofilament thread (4) at a predefined distance; and—Applying a membrane layer to both the upper and the lower surface fabric.
B01D 63/10 - Modules à membranes enroulées en spirale
B01D 61/00 - Procédés de séparation utilisant des membranes semi-perméables, p. ex. dialyse, osmose ou ultrafiltrationAppareils, accessoires ou opérations auxiliaires, spécialement adaptés à cet effet
B01D 65/00 - Accessoires ou opérations auxiliaires, en général, pour les procédés ou les appareils de séparation utilisant des membranes semi-perméables
B01D 67/00 - Procédés spécialement adaptés à la fabrication de membranes semi-perméables destinées aux procédés ou aux appareils de séparation
B01D 69/10 - Membranes sur supportSupports pour membranes
D04B 21/00 - Procédés de tricotage chaîne pour la production de tricots ou articles qui ne dépendent pas de l'emploi de machines particulièresTricots ou articles définis par de tels procédés
B01D 65/00 - Accessoires ou opérations auxiliaires, en général, pour les procédés ou les appareils de séparation utilisant des membranes semi-perméables
B01D 67/00 - Procédés spécialement adaptés à la fabrication de membranes semi-perméables destinées aux procédés ou aux appareils de séparation
The present invention is related to a membrane, comprising a permeate channel consisting of a 3D spacer fabric having an upper and a lower fabric surface (2,3) spaced apart by monofilament thread (4) at a predefined distance, said permeate channel being interposed between two membrane layers (12, 13), wherein said membrane layers are linked at a multitude of points with said upper and lower fabric surfaces to form an integral structure with a high bonding strength suitable for backflush operations. The present invention further relates to a method for providing an integrated permeate channel membrane, comprising the steps of: - Providing a 3D spacer fabric comprising an upper and lower surface fabric (2,3) spaced apart by monofilament thread (4) at a predefined distance , and - Applying a membrane layer to both said upper and said lower surface fabric.
