-
公开(公告)号：US20220410119A1
公开(公告)日：2022-12-29
申请号：US17779314
申请日：2020-09-30
Inventor： Takaki TSUKAZAKI , Kojiro TENNO , Yoji ICHIRAKU , Hiroyuki ITO
IPC: B01J20/20 , C01B32/348 , B01J20/28 , A61L9/014 , C02F1/28
Abstract: The present invention aims to provide an activated carbon for adsorbing a molecular polar substance with excellent adsorption property to a molecular polar substance and regeneratability. The present invention provides an activated carbon for adsorbing a molecular polar substance obtained by an alkali activation method, wherein the activated carbon has an acidic functional group in an amount of 2.1 meq/g or more, a basic functional group in an amount of more than 0 to 0.6 meq/g, and a specific surface area of 1000 to 4000 m2/g.
-
2.发明申请
公开(公告)号：US20150190782A1
公开(公告)日：2015-07-09
申请号：US14420092
申请日：2013-08-09
Inventor： Junichi Yasumaru , Noriyasu Akamatsu , Takaki Tsukazaki , Naoki Matoba
CPC classification number: B01J20/3078 , B01J20/20 , B01J20/28004 , B01J20/28011 , B01J20/28057 , B01J20/28069 , B01J20/28078 , B01J20/3021 , B01J20/3071 , B01J20/3085 , C01B31/083 , C01B31/125 , C01B32/348 , C01B32/354
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 μeq/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.
Abstract translation: 本发明提供了亲水性优异，吸附蒸汽量增加的活性炭，提供了这种活性炭的制造方法。 该活性炭的特征在于活性炭中的碱性官能团的量为0.470meq / m 2以上。 优选活性炭每比表面积的碱性基团的量为0.200μeq/ m 2以上，碱性官能团的量与酸性官能团（碱性官能团/酸性官能团）的量的比例为1.00以上 。 这种生产活性炭的方法的特征在于包括通过使活性炭与碱性物质接触来赋予碱性官能团的步骤。 根据优选实施方案，该方法包括在插入气氛中加热所得活性炭的步骤。
-
公开(公告)号：US10016743B2
公开(公告)日：2018-07-10
申请号：US15647587
申请日：2017-07-12
Inventor： Junichi Yasumaru , Noriyasu Akamatsu , Takaki Tsukazaki , Naoki Matoba
IPC: B01J20/30 , B01J20/20 , B01J20/28 , C01B32/354 , C01B32/348 , C01B31/08 , C01B31/12
CPC classification number: B01J20/3078 , B01J20/20 , B01J20/28004 , B01J20/28011 , B01J20/28057 , B01J20/28069 , B01J20/28078 , B01J20/3021 , B01J20/3071 , B01J20/3085 , C01B32/348 , C01B32/354
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 μeq/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.
-
公开(公告)号：US20170304802A1
公开(公告)日：2017-10-26
申请号：US15647587
申请日：2017-07-12
Inventor： Junichi YASUMARU , Noriyasu AKAMATSU , Takaki TSUKAZAKI , Naoki MATOBA
CPC classification number: B01J20/3078 , B01J20/20 , B01J20/28004 , B01J20/28011 , B01J20/28057 , B01J20/28069 , B01J20/28078 , B01J20/3021 , B01J20/3071 , B01J20/3085 , C01B31/083 , C01B31/125 , C01B32/348 , C01B32/354
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 μeq/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.
-
公开(公告)号：US09731272B2
公开(公告)日：2017-08-15
申请号：US14420092
申请日：2013-08-09
Inventor： Junichi Yasumaru , Noriyasu Akamatsu , Takaki Tsukazaki , Naoki Matoba
CPC classification number: B01J20/3078 , B01J20/20 , B01J20/28004 , B01J20/28011 , B01J20/28057 , B01J20/28069 , B01J20/28078 , B01J20/3021 , B01J20/3071 , B01J20/3085 , C01B31/083 , C01B31/125 , C01B32/348 , C01B32/354
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 μeq/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.
-
公开(公告)号：US20150203356A1
公开(公告)日：2015-07-23
申请号：US14416871
申请日：2013-07-25
Inventor： Junichi Yasumaru , Kojiro Tenno , Shoichi Takenaka , Hirohiko Tomura
CPC classification number: B01J20/28061 , B01D53/02 , B01D53/261 , B01D2253/102 , B01D2253/306 , B01J20/20 , B01J20/28023 , B01J20/28057 , B01J20/28059 , C01B32/30 , C01B32/342 , D01F9/14 , D01F9/16
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 25° C. and a relative humidity of 60%.
Abstract translation: 本发明提供具有优异性能的活性炭。 本发明包括活性炭，其主要特征是至少80m 2 / g的活性表面积。 在一个优选实施方案中，活性炭由活性碳纤维组成并用于吸附，在另一优选实施方案中，活性炭还具有水分吸附速率（（质量B质量A）/质量A）/× 100％）为至少40％，所述水分吸附速率由在115℃下干燥24小时后的活性炭的质量（A）确定，并且将活性炭的质量（B）保持为 24小时的恒温恒湿器设定为25°C，相对湿度为60％。
