Por­ous mem­brane with in­creased poros­ity and air per­me­abil­ity

Chemical Industry Digest - - New Developments -

GKD

has de­vel­oped a mesh weave with rec­tan­gu­lar pores, which of­fer in­creased poros­ity and air per­me­abil­ity. Given the same vol­u­met­ric flow, the three-di­men­sional weave re­duces the lo­cal pore ve­loc­ity by up to 40%.

Poro­met­ric 150 μm of­fers a flow rate eight times greater than the mesh with the best sand reten- tion rate in the test. With the three­d­i­men­sional high-per­for­mance mesh, GKD of­fers a fil­ter medium which has high flow ca­pac­ity and re­ten­tion rate.

Its de­vel­op­ment was based on a com­pre­hen­sive ex­per­i­men­tal study on ero­sion be­hav­iour in pipelines. The Poro­met­ric mesh is a di­rect re­sponse to the find­ing that a

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