Technologies Avancees Et Membranes Industrielles

Technologies Avancées & Membranes Industrielles

Societe Anonyme: T.a.m.i. Industries

Societe Industrielle De La Vallee De L'aigues S.i.v.a.

T.a.m.i. Industries (societe Anonyme)

T.a.m.i. Industries

Technologies Avancees & Membranes Industrielles (societe Anonyme)

Technologies Avancees & Membranes Industrielles S.a.

Philippe Lescoche

Jérôme Anquetil

Andre Grangeon

Andr&eacute; Grangeon

Thomas Fleischmann

André Grangeon

Bernd Ruschel

Michel Millares

Jerome Anquetil

Andr E Grangeon

A method of manufacturing a separator element for obtaining molecular and/or particulate separation by tangential flow of a fluid medium for treatment into a filtrate and a retentate, the element having a structure () of at least two porous rigid columns () made of the same material, positioned side by side to define, outside their outside walls, a volume () for recovering the filtrate, each column () presenting, internally, at least one open structure () for passing a flow of the fluid medium, opening out in one of the ends of the porous column for inlet of the fluid medium for treatment, and in the other end for outlet of the retentate. The element is a single-piece rigid structure () made as a single piece that is uniform and continuous throughout, without any bonds or exogenous additions.

Method of manufacturing a single-piece column structure for the separation of a fluid medium

The present invention relates to a method for manufacturing at least one monolithic inorganic porous support () having a porosity comprised between 10% and 60% and an average pore diameter ranging from 0.5 μm to 50 μm, using a 3D printer type machine (I) to build, in accordance with a 3D digital model, a manipulable three-dimensional green structure () intended to form, after sintering, the monolithic inorganic porous support(s) ().

Method for material additive manufacturing of an inorganic filter support from a hot-melt composition and resulting membrane

The present invention relates to a method for manufacturing at least one monolithic inorganic porous support () having a porosity comprised between 10% and 60% and an average pore diameter ranging from 0.5 &#x3bc;m to 50 &#x3bc;m, using a 3D printer type machine (I) to build, in accordance with a 3D digital model, a manipulable three-dimensional raw structure () intended to form, after sintering, the monolithic inorganic porous support(s) ().

Method for material additive manufacturing of an inorganic filter support and resulting membrane

The invention provides a cross-flow separation element comprising a single-piece rigid porous support () having within its volume at least one channel () for passing a flow of the fluid medium for treatment, which channel presents a flexuous flow volume (V) defined by sweeping a generator section along a curvilinear path around a reference axis, and in that the reference axis does not intersect said generator section and is contained within the volume of the porous support.

Tangential flow separation element incorporating flexuous channels

A separator element comprising a porous rigid single-piece substrate () presenting firstly, at its periphery, a perimeter wall () that is continuous between an inlet () for the fluid medium for treatment at one end of the porous substrate and an outlet () for the retentate at the other end of the porous substrate, and secondly, internally, a surface covered by a separator layer () and defining an open structure made up of empty spaces () for passing a flow of the fluid medium for treatment. The empty spaces () are arranged in the porous substrate so as to create within the porous substrate a first flow network (R) for the fluid medium for treatment, having at least two interconnected flow circuits (R, R) for the fluid medium between the inlet () and the outlet () of the porous substrate.

Separation element with a three-dimensional circulation matrix for the fluid medium to be treated

A separator element comprising a porous rigid single-piece substrate () made of a single porous material, and including internally at least one channel () for passing a flow of the fluid medium, which channel opens out in one end of the porous substrate for inlet of the fluid medium for treatment and in another end of the porous substrate for outlet of the retentate. At least one empty space () is arranged in the porous substrate so as to be surrounded by a portion of the material constituting the single-piece substrate () either completely so as to form a closed cavity or partially so as to form a cavity () that opens out locally through the peripheral envelope () of the substrate via a passage () of section smaller than the section of the cavity ().

Separation element with improved channelling of the filtrate

The present invention relates to a membrane and a method for manufacturing a membrane for filtering a fluid, said membrane comprising: a substrate having a three-dimensional structure and consisting of an one-piece ceramic porous body; and at least one separating filtering layer having a porosity that is lower than that of the substrate, in which the three-dimensional structure of the substrate is produced by forming elemental layers that are stacked and connected in series with one another, by repeating steps: a) depositing a continuous bed of powder at least partially consisting of a powder intended for forming the ceramic porous body; b) locally consolidating, part of the deposited material such as to create the elemental layer, and simultaneously linking the elemental layer thus formed with the preceding layer such as to gradually grow the desired three-dimensional shape.

Method for manufacturing filtering membranes by additive technique and resulting membranes

A filtering element for the filtration of a fluid medium comprises a rigid porous support of cylindrical shape having a longitudinal central axis (A) and a plurality of channels for the circulation of the fluid medium to be filtered and collection of filtrate on the periphery of the support. The channels are arranged in the support parallel to its central axis central (A) and define at least three filtering zones which are distributed concentrically and separated from each other by a continuous porous zone. The mean thickness of the porous zone (Z) closest to the central axis (A) is smaller than the mean thickness of the porous zone (Z) the closest to the periphery of the support () and, in the direction moving away from the central axis (A) of the support towards its periphery, the mean thickness of a porous zone is either identical to the next or smaller.

Filtration support geometry and membrane

The subject of the invention is a membrane for the cross-flow filtration of a fluid to be treated that contains abrasive particles, comprising a porous support covered over part of its surface with a separation layer having a pore diameter smaller than that of the support, over which the fluid to be treated flows, characterized in that the separation layer includes an agent for protection from the abrasive particles.

Filtration membrane having improved resistance to abrasions

A filtration element for filtering a fluid medium comprising a rigid porous support of cylindrical shape having a longitudinal central axis (A) and comprising a plurality of channels for the circulation of the fluid medium to be filtered with a view to recovering a filtrate at the periphery of the support. The channels are parallel to a central axis of the support. The channels have at least three filtration crowns, characterized in that at the three crowns closest to the periphery of the support there is at least a substantial alignment of 3 adjacent axes among the axes of the flow and connection paths and the axes of the channels, which favors the mechanical strength of the support.

Shape of filtering elements

A device for the tangential filtration of a fluid to be processed and intended to be divided into a filtrate and a retentate includes, in an outer case, a series of filtration elements of tubular form lying parallel to each other, at least one output for the filtrate, communicating with the filtrate collection receptacle, a first communication chamber in which are fitted the separation resources, communicating with respectively a first series and a second series of filtration elements forming the go and return circuits of a circulation loop for the fluid to be processed, where the separation resources include a turbine of a circulation pump. The input for the fluid to be processed opens into the first communication chamber of the outer case between the turbine of the circulation pump and the filtration elements of the series forming the return circuit of the circulation loop.

Filtration device including a loop and a circulation pump

The invention provides a filter module comprising an outer casing provided at each end with a respective support plate for supporting at least one filter element for obtaining a filtrate that is recovered via an outlet passage provided in the vicinity of each support plate. According to the invention, each support plate is extended at right angles by an assembly skirt for assembling to the casing.

Filter module designed to limit zones of stagnation for a liquid

The present invention relates to a device for tangential filtration of a fluid to be treated and to be separated into a filtrate and a retentate, comprising at least one filtration element which comprises at least one inlet for a fluid to be filtered and at least one outlet for the retentate having circulated the filtration element, wherein said element is incorporated in a circulation loop so that at least a part of the retentate is reinjected into the fluid to be treated before being introduced into the filtration element. a module of filtration into which the circulation loop is integrated and realized by a series of filtration elements in forward direction and a series of filtration elements in backward direction, forming forward and backward circuits. At least one probe for detecting information which is characteristic for the fluid to be filtered and representative for the risks of gelification of the fluid to be filtered in the filtration element(s) and/or for the risks of total obstruction of the filtration element(s).

Tangential filtration device

The invention provides a sealing gasket for mounting in a passage () of a support plate () to surround the end of a tubular-shaped filter element () provided with at least one fluid flow channel (), the channel lying within a flow section Sc, the gasket being constituted in the form of a sleeve:

Sealing gasket for a filter element, and a module including a filter element fitted with such a sealing gasket

The invention concerns a device for tangential filtering of a fluid to be treated, comprising in a housing ():

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Faucon, France

Philippe Lescoche