Filter medium and a use thereof

The present invention relates to a filter medium being at least formed of a pre-filter substrate laminated with a fine-filter substrate by means of a third binder, wherein the pre-filter substrate comprises synthetic fibers and a first binder, the pre-filter substrate working as a combined surface a...

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Bibliographic Details
Main Authors Kaukopaasi, Jan, VISKARI, Anne
Format Patent
LanguageEnglish
Finnish
Swedish
Published 31.08.2018
Subjects
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:The present invention relates to a filter medium being at least formed of a pre-filter substrate laminated with a fine-filter substrate by means of a third binder, wherein the pre-filter substrate comprises synthetic fibers and a first binder, the pre-filter substrate working as a combined surface and depth filter, and the fine-filter substrate comprises at least a second binder and one of synthetic fibers and inorganic fibers. Esillä oleva keksintö koskee suodatusmateriaalia, joka muodostuu ainakin esisuodatusmateriaalista, joka on laminoitu yhteen hienosuodatusmateriaalin kanssa kolmannella sideaineella, jolloin esisuodatusmateriaali käsittää synteettisiä kuituja ja ensimmäisen sideaineen esisuodatusmateriaalin toimiessa yhdistettynä pinta- ja syvyyssuodattimena ja hienosuodatusmateriaalin käsittää ainakin toisen sideaineen ja joko synteettisiä tai epäorgaanisia kuituja.
Bibliography:Application Number: FI20170005347