A range of microbially rated cartridge filters from Porvair Filtration Group, featuring the latest developments in membrane technology, BiofilTM II cartridges are based on a naturally hydrophilic polyethersulphone (PES) membrane with a mirrored asymmetric pore structure. When combined with quality all-polypropylene cartridge components and high integrity manufacturing techniques common to all Porvair cartridge filters, the polyethersulphone membrane provides a high strength, long life cartridge of consistently precise microbial retention.
BiofilTM II cartridges exploit the narrow pore size distribution and high void volume of the media to provide a choice of cartridges capable of meeting the requirements of most applications. Careful media selection ensures that BiofilTM II cartridges are also very suited to critical particle control down to 0.04 micron ratings. BiofilTM II cartridges offer high flux rates and low differential pressures, a feature common to polyethersulphone membranes.
BiofilTM II cartridges benefit from the low non-specific protein binding characteristics of polyethersulphone membranes. They are also highly resistant to integrity failure caused by steam sterilisation and have excellent chemical compatibility characteristics. Furthermore, since they will not hydrolyse, BiofilTM II cartridges are ideal for use in ultra pure water supply systems (18MΩ.cm).
As a consequence BiofilTM II cartridges provide a combination of features and benefits not hitherto available from cartridges based on PVDF, nylon, mixed esters of cellulose or polysulphone membranes. They are suitable for applications ranging from sterile filtration, bioburden reduction and the clarification of a wide range of process liquids and end products.
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Backed by over 25 years’ experience in providing innovative filtration and separations solutions to the food and beverage industry, Porvair Filtration Group offers high quality, cost effective filters for all stages of the purification and separation processes. Our range of filters are installed to effectively remove particulates, yeast, mould spores and bacteria for use in the following process applications:
Wineries, for pre-filtration and microbiological stabilisation.
Breweries, for PVPP and DE particulate trap filtration, stabilisation, bio-burden reduction prior to pasteurisation, FOB returns, steam and sterile CO2.
Mineral Water, for polishing and particulate filtration, and microbiological stabilisation.
Soft Drinks, for microbial stabilisation of water, removal of particulates from sugar and flavourings, sterile filtration of CO2.
Food and Dairy Products, to remove micro-organisms, Cryptosporidium oocysts and particulate or unwanted suspended material from utilities such as water, air, gas or steam.
Culinary Steam is used to ensure the sterilisation of filters and process equipment or sanitisation of general equipment. Porvair’s porous stainless steel cartridge filters are suited to culinary steam applications and comply with 3-A Standard 609-01.
Powder Handling of milk powders, raw materials in bakeries and other food powders requires uniform fluidisation and aeration.
Sparging Applications, using Porvair stainless steel elements, designed and manufactured from uniform, fine media to achieve efficient mass transfer of gas into liquid, include N2 injection into emulsifiers and oils, gas introduction and mixing in fermentation, batch hydrogenation applications and carbonation of beverages.
Our products are manufactured under strict quality process controls and are fully validated and technically supported by our qualified scientists and laboratory services. Our polymeric filter cartridges, manufactured from FDA-approved media under clean room conditions, include a wide range of end adaptors to enable easy retrofitting into new or existing competitor housings and all membrane filter cartridges are 100% integrity tested during production.