(1) Water filtering units for swimming pool, spa, water park, fountain and pond use; water filtration and purification units and replacement cartridges and filters therefor for swimming pools and spas; Membrane filters for water filtering apparatus; Membranes for water filtering apparatus
Membrane filters for water filtering apparatus; Membranes for water filtering apparatus; Water filtering units for swimming pool, spa, water park, fountain and pond use; Water filtration and purification units and replacement cartridges and filters therefor for swimming pools and spas
Filters being parts of machines used in the municipal water
treatment industries. Reverse osmosis or nanofiltration membrane filters for
municipal water treatment filtering apparatus.
A tubular membrane comprises a support tube made out of one or more flexible tapes of porous support material which have been helically wound into a tube shape with overlapping tape edges which have been sealed to each other, and a semi-permeable membrane layer made of membrane forming material on an inner wall of the support tube. At least one inwardly projecting helical ridge is provided on said inner wall of the support tube, which helical ridge is covered with or forms part of the membrane layer.
B29C 41/20 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped articleApparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding around inserts or for coating articles
B29C 65/08 - Joining of preformed partsApparatus therefor by heating, with or without pressure using ultrasonic vibrations
B29K 67/00 - Use of polyesters as moulding material
B29K 105/04 - Condition, form or state of moulded material cellular or porous
A tubular membrane includes a support tube made out of one or more flexible tapes of porous support material which have been helically wound into a tube shape with overlapping tape edges which have been sealed to each other, and a semi-permeable membrane layer made of membrane forming material on an inner wall of the support tube. At least one inwardly projecting helical ridge is provided on the inner wall of the support tube, which helical ridge is covered with or forms part of the membrane layer.
B29C 41/20 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped articleApparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding around inserts or for coating articles
B29C 53/58 - Winding and joining, e.g. winding spirally helically
An end cap for a filtration module having a chamber includes an outlet channel extending therethrough which is part of or forms an aerodynamically shaped element having a cross section with an elongated shape mainly directed from the inlet to the first outlet, a width of the elongated shape at both ends thereof being smaller than at a center part of the elongated shape. An end cap may also include an inlet, a first and second outlet, and a flow guide element arranged between the inlet and the first outlet within the chamber at a second outlet side thereof, the flow guide element extending a part of an inlet wall to a corresponding part of a first outlet wall, the flow guide element defining one or more openings allowing a portion of a main flow to flow towards the second outlet.
A tubular membrane comprises a support tube 8 made out of one or more flexible tapes 5 of porous support material which have been helically wound into a tube shape with overlapping tape edges 6 which have been sealed to each other, and a semi-permeable membrane layer made of membrane forming material on an inner wall of the support tube8. At least one inwardly projecting helical ridge is provided on said inner wall of the support tube8, which helical ridge is covered with or forms part of the membrane layer15.
The invention relates to an end cap (EC) for a filtration module, defining a chamber (CH) and comprising an outlet channel (OC) extending therethrough which is part of or forms an aerodynamically shaped element having a cross section with an elongated shape mainly directed from the inlet to the first outlet (FO), a width of the elongated shape at both ends thereof being smaller than at a center part of the elongated shape. The invention also relates to an end cap (EC) comprising an inlet, a first (FO) and second outlet (SO), and a flow guide element arranged between the inlet and the first outlet (FO) within the chamber (CH) at a second outlet side thereof, said flow guide element extending a part of an inlet wall (IW) to a corresponding part of a first outlet wall (FOW), the flow guide element defining one or more openings allowing a portion of a main flow to flow towards the second outlet (SO).
Method for cleaning membranes and an inlet side of a membrane filtration module of an apparatus having a bioreactor and membrane filtration module for treatment of an incoming fluid
A method for cleaning membranes and an inlet side of a membrane filtration module of an apparatus includes filling a basin with a treatment fluid; feeding an incoming fluid to the treatment fluid present in the basin and mixing and treating it with the latter fluid so as to obtain a fluid mixture; feeding the fluid mixture to the membrane filtration module; discharging permeate filtered by and retentate retained by the membranes; and periodically closing the fluid mixture feed-through line and opening the flushing discharge line, so that at least the inlet side of the membranes and the connection chamber of the membrane filtration module disposed underneath it are flushed.
The invention relates to a filter module comprising a plurality of essentially parallel tubular membranes, the tubular membranes comprising a porous tube wall that functions as a filtering membrane, wherein the module comprises a support structure for supporting the tubular membranes, the support structure comprising an open three-dimensional network of stable shape consisting of stiff wires or fibres, the support structure being shaped such that it comprises open parallel tubes or parts of tubes that envelope each of the tubular membranes at least partly over at least a part of its length, in such a way that a tube or part of a tube of the support structure supports at least one tubular membrane.
A method for operation of a filtration module 4 including a housing 5 with at least one filter element 7 positioned therein, the filter element defining a first space 10 in the housing at a feeding side of its filtering surface and a second space 11 at an opposite permeate side thereof, a fluid feed 14 opening out in the first space at the feeding side of the filter element, and a permeate outlet 17 in flow communication with the second space at the permeate side of the filter element, in which the filter element is placed in an upright position. The permeate outlet is positioned at a lower end of the filter element, and a gas feed 18 is provided opening out in the second space at said permeate side of the filter element. During filtration, pressurized gas is fed into the second space.
A method for operation of a filtration module 4 comprising a housing 5 with at least one filter element 7 positioned therein, the filter element defining a first space 10 in the housing at a feeding side of its filtering surface and a second space 11 at an opposite permeate side thereof, a fluid feed 14 opening out in the first space at the feeding side of the filter element, and a permeate outlet 17 in flow communication with the second space at the permeate side of the filter element, in which the filter element is placed in an upright position. The permeate outlet is positioned at a lower end of the filter element, and a gas feed 18 is provided opening out in the second space at said permeate side of the filter element. During filtration, pressurized gas is fed into the second space.
The invention relates to a poly(arylsulfone), the poly(arylsulfone) having an aryl group grafted with a covalently attached substituent of the Formula (I): The invention also relates to a process for grafting a poly (arylsulfone), in the presence of an enzyme, for the preparation of said grafted poly (arylsulfone). The poly (arylsulfone) according to the invention shows beneficial properties for application in a membrane. The invention therefore further relates to a membrane comprising a poly (arylsulfone) according to the invention, and to the use of a poly (arylsulfone) according to the invention in a separation process. In addition, the invention relates to a polymer blend and a copolymer comprising a grafted poly (arylsulfone) according to the invention, and to a membrane comprising such polymer blend or copolymer.
The invention relates to an apparatus and a process for the treatment of an incoming fluid, comprising: a bottom part connecting a common feed stream to individual membrane filter modules through a tailor made connecting piece; a top part connecting individual membrane filter modules to a common retentate stream through a tailor made connecting piece. According to the invention the apparatus is assembled out of tailor-made parts with the object to reduce material costs and labor costs, and the part are made such that footprint of the contraption is minimized. Furthermore, the individual parts form a sub-unit with such dimensions that multiple sub-units can be combined into one main unit, without the need to execute any alterations to the sub-units in terms of sizing, by which means modularity and scalability is introduced into the main units.
A method for cleaning process apparatus used for production of liquids, especially for cleaning filters, for example membrane filters. The apparatus is contacted with a solution of periodate. It is especially preferred that the cleaning process is carried out at a temperature between 15 and 95° C.
A method for cleaning process apparatus used for production of liquids, especially for cleaning filters, for example membrane filters. The apparatus is contacted with a solution of peroxydisulphate. It is especially preferred that the cleaning process is carried out at a temperature between 15 and 95° C.
The present invention relates to a method for cleaning process apparatus used for production of liquids, especially for cleaning filters, for example membrane filters. The apparatus is contacted with a solution of periodate. According to a first embodiment the solution is acidic. According to a second embodiment the solution is basic. It is especially preferred that the cleaning process is carried out at a temperature between 15 °C and 95 °C.
B08B 3/08 - Cleaning involving contact with liquid the liquid having chemical or dissolving effect
B08B 9/00 - Cleaning hollow articles by methods or apparatus specially adapted thereto
B01D 41/04 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
20.
A METHOD FOR CLEANING PROCESSING EQUIPMENT, SUCH AS FILTERS
The present invention relates to a method for cleaning process apparatus used for production of liquids, especially for cleaning filters, for example membrane filters. The apparatus is contacted with a solution of per oxydi sulphate. It is especially preferred that the cleaning process is carried out at a temperature between 15 and 95 °C.
B08B 3/08 - Cleaning involving contact with liquid the liquid having chemical or dissolving effect
B08B 9/00 - Cleaning hollow articles by methods or apparatus specially adapted thereto
B01D 41/04 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Filters and filtering membranes used as parts of machines for microfiltration of liquids, ultrafiltration of liquids, reverse osmosis of liquids and for separating gas mixtures;
(2) Filters and filtering membranes for use as parts of laboratory installations for microfiltration of liquids, ultrafiltration of liquids, reverse osmosis of liquids and for separating as mixtures;
(3) Filters and filtering membranes for separating liquids or gas mixtures; filters and filtering membranes for use as parts of laboratory installations for microfiltration of liquids, ultrafiltration of liquids, reverse osmosis of liquids and for separating as mixtures; water and air filtration units for separating or filtering water, other liquids and gases, namely membranes for microfiltration, for ultrafiltration and for separating gas mixtures all as parts of the aforesaid units. (1) The provision to others of technical consulting services concerning filtration by means of membranes in general, as well as technology and use of the specific types of filters and membranes listed above.
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
[ filtering material and media for use in filtering liquids in the biotechnology, dairy, water treatment, wastewater treatment and beverage industries, in the nature of chemical preparations ] filters for machines used in the biotechnology, dairy, water treatment, wastewater treatment and beer, wine and beverage industries, namely membranes for micro-filtration of liquids, ultra-filtration of liquids, reverse osmosis of liquids, and separating gas mixtures laboratory filters, namely membranes for laboratory installations for use in micro-filtration of liquids, ultra-filtration of liquids, reverse osmosis of liquids, and separating gas mixtures filtering units for filtering liquids in the fields of biotechnology, dairy, water treatment, wastewater treatment, beer, wine and beverage industries; water and air filters for the aforementioned filtering units; water and air filters sold as an integral component of the aforesaid filtering units technology consultation in the field of filters and filtration units aforementioned
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
Filtering materials not included in other classes. Membranes as parts of machines for microfiltration, for
ultrafiltration, for reverse osmosis and for separating gas
mixtures. Membranes as parts of laboratory installations for
microfiltration, for ultrafiltration, for reverse osmosis
and for separating gas mixtures. Apparatus for separating or filtering water, other liquids
and gases, including membranes for microfiltration, for
ultrafiltration and for separating gas mixtures all as parts
of the aforesaid apparatus. Technical consulting services concerning filtration by means
of membranes in general, as well as technology and use of
the membranes listed in classes 7, 9 and 11.
