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US 2019/0291073 A1Published application
Activated carbon, and adsorption filter and water purifier both including same
AssigneeKuraray Co., Ltd.
InventorsTetsuya HANAMOTO, Mitsunori HITOMI, Yoshinari KOBASHI
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Abstract
The present invention relates to an activated carbon for organic compound removal in which the average pore diameter obtained from the following formula by using a BET specific surface area calculated by the nitrogen adsorption method and a pore volume calculated by the HK method is from 1.615 to 1.625 nm: D=4000×V/S (wherein, D represents an average pore diameter (nm), V represents a pore volume (mL/g), and S represents a specific surface area (m2/g)).
Claims7
1:
- An activated carbon, wherein the activated carbon has an average pore diameter of from 1.615 to 1.625 nm,
- the average pore diameter is obtained from a formula:
- D=4000×V/S
- wherein, D represents the average pore diameter (nm),
- V represents a pore volume (mL/g), and
- S represents a BET specific surface area (m2/g), and
- the pore volume is calculated by an HK method and
- the BET specific surface area is calculated by a nitrogen adsorption method.
5 more elements
2:
- The activated carbon according to claim 1, wherein the BET specific surface area is from 1000 to 1350 m2/g.
3:
- The activated carbon according to claim 1, which is obtained from a coconut shell as a raw material.
4:
- An adsorption filter, comprising:
- the activated carbon according to claim 1 and
- a polymer binder.
5:
- The adsorption filter according to claim 4, wherein the adsorption filter has a chloroform filtration capability of 25 L or more per 1 cc of the adsorption filter when a space velocity is from 2000 to 5000/hr.
6:
- A water purifier, comprising:
- the activated carbon according to claim 1.
7:
- A water purifier, comprising:
- the adsorption filter according to claim 4.