Abstract

2/g.

IPC Classes  ?

• B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
• A61L 9/014 - Deodorant compositions containing sorbent material, e.g. activated carbon
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• C01B 32/348 - Metallic compounds
• C02F 1/28 - Treatment of water, waste water, or sewage by sorption
• C02F 101/38 - Organic compounds containing nitrogen

Abstract

Provided is a renewable molecular polar substance-adsorbing charcoal having superior adsorption performance on molecular polar substances, especially molecular polar substances in gas phase.　The molecular polar substance-adsorbing charcoal is obtained using an alkali activation method and has an acidic functional group amount of 2.1 meq/g or more, a basic functional group amount of more than 0 and up to 0.6 meq/g, and a specific surface area of 1000-4000 m2/g.

IPC Classes  ?

• C01B 32/318 - Preparation characterised by the starting materials
• B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• C02F 1/28 - Treatment of water, waste water, or sewage by sorption
• A61L 9/01 - Deodorant compositions
• A61L 9/014 - Deodorant compositions containing sorbent material, e.g. activated carbon

Abstract

Provided is an activated carbon having excellent adsorption performance. The activated carbon according to the present invention has a BET specific surface area of 650-1250 m2/g, a total pore volume of 0.25 cm3/g or more, an average pore diameter of 1.8-4.0 nm, and a chloroform flow rate of 71 L/g or more, as measured by the water-flow test method.

IPC Classes  ?

• C01B 32/318 - Preparation characterised by the starting materials
• B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• C02F 1/28 - Treatment of water, waste water, or sewage by sorption

Abstract

2 or greater and the ratio of the amount of basic functional groups and the amount of acidic functional groups (basic functional groups/acidic functional groups) is 1.00 or greater. This method for producing activated carbon is characterized in comprising a step for imparting basic functional groups by bringing the activated carbon into contact with a basic substance. According to a preferred embodiment, the method comprises a step for heating the resulting activated carbon in an insert atmosphere.

IPC Classes  ?

• B01J 20/30 - Processes for preparing, regenerating or reactivating
• B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• C01B 32/354 - After-treatment
• C01B 32/348 - Metallic compounds
• C01B 31/08 - Active carbon
• C01B 31/12 - Preparation by using non-gaseous activating agents

Abstract

The powdered or particulate activated carbon for a water purifier of the present invention is characterized in that the BET specific surface area of the activated carbon is 700 m2/g or greater and less than 1250 m2/g, that the ratio of the pore volume of pores with a diameter of 2 nm or less to the pore volume of pores with a diameter of 30nm or less is 50% or greater and less than 80%, and that the ratio of the pore volume of pores with a diameter of greater than 2 nm and less than or equal to 10 nm to the pore volume of pores with a diameter of 30 nm or less is greater than or equal to 10% and less than 40%.

IPC Classes  ?

• C02F 1/28 - Treatment of water, waste water, or sewage by sorption
• B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• B01J 20/30 - Processes for preparing, regenerating or reactivating
• C01B 31/10 - Preparation by using gaseous activating agents

Abstract

2 or greater and the ratio of the amount of basic functional groups and the amount of acidic functional groups (basic functional groups/acidic functional groups) is 1.00 or greater. This method for producing activated carbon is characterized in comprising a step for imparting basic functional groups by bringing the activated carbon into contact with a basic substance. According to a preferred embodiment, the method comprises a step for heating the resulting activated carbon in an insert atmosphere.

IPC Classes  ?

• B01J 20/30 - Processes for preparing, regenerating or reactivating
• B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
• C01B 31/08 - Active carbon
• C01B 31/12 - Preparation by using non-gaseous activating agents
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties

Abstract

The present invention provides activated carbon with which hydrophilicity is excellent and the amount of steam adsorbed is increased, and provides a method for producing this activated carbon. This activated carbon is characterized in that the amount of basic functional groups in the activated carbon is 0.470 meq/m2 or greater. Preferably the amount of basic groups per specific surface area of activated carbon is 0.200 µmeq/m2 or greater and the ratio of the amount of basic functional groups and the amount of acidic functional groups (basic functional groups/acidic functional groups) is 1.00 or greater. This method for producing activated carbon is characterized in comprising a step for imparting basic functional groups by bringing the activated carbon into contact with a basic substance. According to a preferred embodiment, the method comprises a step for heating the resulting activated carbon in an insert atmosphere.

IPC Classes  ?

• C01B 31/08 - Active carbon
• B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
• B01J 20/30 - Processes for preparing, regenerating or reactivating

Abstract

The present invention provides activated carbon having excellent properties. The present invention consists of activated carbon, the key feature of which is an active surface area of at least 80 m2/g. In one preferred embodiment, the activated carbon consists of activated carbon fibers and is used for adsorption, and in a another preferred embodiment, the activated carbon also has a moisture adsorption rate (((mass B − mass A)/mass A) × 100%) of at least 40%, said moisture adsorption rate being determined from the mass (A) of the activated carbon after being dried for 24 hours at 115°C and the mass (B) of the activated carbon after being kept for 24 hours in a thermo-hygrostat set to a temperature of 25°C and a relative humidity of 60%.

IPC Classes  ?

• C01B 31/12 - Preparation by using non-gaseous activating agents
• B01D 53/28 - Selection of materials for use as drying agents
• B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• D01F 9/14 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments
• D01F 9/16 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetat