Chemical filter and method for manufacturing same
AssigneeNichias Corporation
InventorsTakashi Tanahashi, Toshiro Nakano, Akihiro Imai
Life of this patent
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Abstract
The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body is provided. The chemical filter possesses a large ion-exchange capacity per unit volume and exhibits high initial performance of eliminating ionized gaseous pollutants and excellent durability of the elimination performance.
Claims15
A chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder supported on the fiber supporting body, wherein the amount of the ion-exchange resin powder supported is 50-200 kg/m3.
A method for manufacturing a chemical filter supporting an ion-exchange resin comprising blowing a slurry containing ion-exchange resin powder onto a fiber supporting body which contains ion-exchange fiber, wherein the amount of the ion-exchange resin powder supported is 50-200 kg/m3.
A method for manufacturing a chemical filter supporting an ion-exchange resin comprising dipping a fiber supporting body which contains ion-exchange fiber in a slurry containing ion-exchange resin powder, wherein the amount of the ion-exchange resin powder supported is 50-200 kg/m3.
A chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder supported on the fiber supporting body, wherein the ion-exchange capacity of the ion-exchange resin powder is 1-10 meq/g.
Dependencies are inferred from the claim text.