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US 2026/0216618 A1Published application
Nano-plastic removal method and nano-plastic adsorbent
AssigneeKuraray Co., Ltd.
InventorsHaruo NAKADA, Keita TAKAHASHI, Hideharu IWASAKI
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Abstract
An aspect of the present invention relates to a nanoplastics removal method including adsorbing nanoplastics by a moving adsorbent as defined in the present invention, wherein an average particle diameter D50 of the nanoplastics is 100 nm or smaller, and a specific surface area of the adsorbent is 700 m2/g or larger.
Claims12
A method for removing nanoplastics, comprising:
- adsorbing nanoplastics with a moving adsorbent;
- wherein:
- an average particle diameter D50 of the nanoplastics is 100 nm or smaller;
- a specific surface area of the adsorbent is 700 m2/g or larger;
- an average particle diameter D50 of the adsorbent is 1000 μm or smaller;
- and
- the adsorbent has a functional group amount of 1.2 meq/g or smaller in a measurement of Boehm method.
4 more elements
A method for removing nanoplastics, comprising:
- causing an adsorbent to adsorb nanoplastics in passing liquid;
- wherein:
- an average particle diameter D50 of the nanoplastics is 100 nm or smaller;
- a specific surface area of the adsorbent is 700 m2/g or larger;
- and
- the adsorbent has a functional group amount of 1.2 meq/g or smaller in a measurement of Boehm method.
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An adsorbent for adsorbing nanoplastics having an average particle diameter D50 is of 100 nm or smaller;
- wherein the absorbent has:
- a specific surface area of 700 m2/g or larger;
- a functional group amount of 1.2 meq/g or smaller in a measurement of Boehm method;
- and
- a hydrophobicity.
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Dependencies are inferred from the claim text.