公开(公告)号：US20190255509A1

公开(公告)日：2019-08-22

申请号：US16301745

申请日：2017-03-31

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Masahiro AOSHIMA ,  Yasuhiko YOSHINARI ,  Toshikatsu SHIMAZAKI ,  Hidehiro NAKAMURA ,  Kouhei YOSHIKAWA ,  Taigo ONODERA ,  Masato KANEEDA

IPC: B01J20/06 ,  B01D53/04 ,  B01D53/62 ,  B01D53/82 ,  B01J20/28 ,  B01J20/30

Abstract: Provided is an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the adsorbent containing cerium oxide containing cerium and a metallic element (excluding cerium) having an electronegativity of 1.00 or more.

公开(公告)号：US20180021717A1

公开(公告)日：2018-01-25

申请号：US15546814

申请日：2016-02-24

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Kohei YOSHIKAWA ,  Masato KANEEDA ,  Hidehiro NAKAMURA ,  Toshiaki SHIRASAKA

IPC: B01D53/04 ,  B01J20/06 ,  B01J20/34 ,  B01D53/12

CPC classification number: B01D53/0438 ,  B01D53/04 ,  B01D53/12 ,  B01D2253/104 ,  B01D2253/106 ,  B01D2253/1124 ,  B01D2255/2065 ,  B01D2257/504 ,  B01D2258/06 ,  B01D2259/40096 ,  B01D2259/40098 ,  B01D2259/4508 ,  B01D2259/4566 ,  B01J20/06 ,  B01J20/3433 ,  B01J20/3483 ,  Y02C10/08

Abstract: Disclosed is a CO2 concentration reducing device for separating and removing CO2 from a gas containing CO2 with a CO2 adsorbent, the CO2 concentration reducing device including: an adsorbent container which contains the CO2 adsorbent; and a heating unit which heats the CO2 adsorbent by an induction heating or a dielectric heating. Thus, a ventilation quantity can be reduced when CO2 accumulated in a room is removed, and an electric power required for the ventilation and the electric power required for air conditioning can be reduced.

公开(公告)号：US20170014750A1

公开(公告)日：2017-01-19

申请号：US15301099

申请日：2015-07-08

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Kouhei YOSHIKAWA ,  Masato KANEEDA ,  Hidehiro NAKAMURA ,  Toshiaki SHIRASAKA

IPC: B01D53/04 ,  B01D53/82 ,  B01D53/26 ,  B01J38/02 ,  B01D53/96 ,  B01D53/047 ,  B01J20/06 ,  B01J20/18 ,  B01D53/62 ,  B01D53/34

CPC classification number: B01D53/0438 ,  B01D53/04 ,  B01D53/0454 ,  B01D53/0462 ,  B01D53/047 ,  B01D53/06 ,  B01D53/261 ,  B01D53/30 ,  B01D53/346 ,  B01D53/62 ,  B01D53/81 ,  B01D53/82 ,  B01D53/96 ,  B01D2251/602 ,  B01D2253/108 ,  B01D2253/1124 ,  B01D2257/504 ,  B01D2257/80 ,  B01D2258/0283 ,  B01D2259/4009 ,  B01D2259/40096 ,  B01D2259/402 ,  B01J20/04 ,  B01J20/06 ,  B01J20/08 ,  B01J20/10 ,  B01J20/18 ,  B01J20/20 ,  B01J23/10 ,  B01J35/1019 ,  B01J37/031 ,  B01J37/08 ,  B01J38/02 ,  Y02A50/2342 ,  Y02C10/04 ,  Y02C10/08

Abstract: A CO2 removal device includes: a CO2 capturing material which captures H2O and CO2 in a gas; a reaction container which contains the CO2 capturing material; an H2O measuring unit for measuring the concentration of H2O in the gas; an H2O concentration adjustment device which adjusts the concentration of H2O on the basis of information obtained by the H2O measuring unit; a gas introduction path introducing the gas into the reaction container from the H2O concentration adjustment device and bringing the gas into contact with the CO2 capturing material; a first gas discharge path discharging the gas from the reaction container after the gas has been brought into contact with the CO2 capturing material; and a second gas discharge path discharging the gas that has been desorbed from the CO2 capturing material from the reaction container. The CO2 removal device allows for the reduction of energy consumption in removing CO2.

Abstract translation: CO 2去除装置包括：捕获气体中的H 2 O和CO 2的CO 2捕获材料; 含有CO 2捕获材料的反应容器; 用于测量气体中H 2 O浓度的H 2 O测量单元; H 2 O浓度调节装置，其基于由H 2 O测量单元获得的信息来调节H 2 O的浓度; 从H 2 O浓度调节装置将气体引入反应容器并使气体与CO 2捕获材料接触的气体导入路径; 在所述气体与所述CO 2捕获材料接触之后，从所述反应容器排出气体的第一气体排出路径; 以及将从CO 2捕获材料解吸的气体从反应容器排出的第二气体排出路径。 CO2去除装置可以减少去除二氧化碳的能源消耗。

公开(公告)号：US20190262795A1

公开(公告)日：2019-08-29

申请号：US16301743

申请日：2017-05-15

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Masahiro AOSHIMA ,  Toshikatsu SHIMAZAKI ,  Hidehiro NAKAMURA ,  Kouhei YOSHIKAWA ,  Masato KANEEDA

IPC: B01J20/06 ,  B01D53/62 ,  B01D53/82 ,  B01D53/04 ,  B01J20/30 ,  B01J20/28

Abstract: Provided is an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the adsorbent containing cerium oxide and has a pore diameter having a differential pore volume of 0.0085 cm3/g-Å or more in a region where a pore diameter is 7 Å or less in pore distribution measured by Horvath-Kawazoe method.

公开(公告)号：US20190217241A1

公开(公告)日：2019-07-18

申请号：US16301744

申请日：2017-05-15

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Masahiro AOSHIMA ,  Toshikatsu SHIMAZAKI ,  Hidehiro NAKAMURA ,  Kouhei YOSHIKAWA ,  Masato KANEEDA

IPC: B01D53/04 ,  B01J20/06 ,  B01J20/28 ,  B01J20/30 ,  C01F17/00 ,  F24F3/16

CPC classification number: B01J20/06 ,  B01D53/04 ,  B01D2253/1124 ,  B01D2253/30 ,  B01D2257/504 ,  B01D2259/4508 ,  B01J20/28002 ,  B01J20/2808 ,  B01J20/28083 ,  B01J20/30 ,  B01J20/3078 ,  C01F17/0043 ,  C01P2006/16 ,  F24F3/16 ,  F24F2110/70 ,  Y02A50/2342 ,  Y02C10/04 ,  Y02C10/08

Abstract: Provided is an adsorbent used for removing carbon dioxide from a gas comprising carbon dioxide, the adsorbent comprising a cerium oxide and having an average pore diameter of 50 nm or less, the average pore diameter measured by the BET method using argon gas as an adsorption gas.

公开(公告)号：US20190217242A1

公开(公告)日：2019-07-18

申请号：US16301752

申请日：2017-05-15

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Toshikatsu SHIMAZAKI ,  Masahiro AOSHIMA ,  Hidehiro NAKAMURA ,  Masato KANEEDA ,  Kouhei YOSHIKAWA

IPC: B01D53/04 ,  B01J20/30 ,  B01J20/06 ,  C01F17/00 ,  B01J20/28 ,  F24F3/16

CPC classification number: B01D53/04 ,  B01D2253/1124 ,  B01D2257/504 ,  B01D2259/4508 ,  B01J20/06 ,  B01J20/2808 ,  B01J20/30 ,  B01J20/3078 ,  C01F17/0043 ,  C01P2006/16 ,  F24F3/12 ,  F24F3/16 ,  Y02C10/08

Abstract: Provided is a method for producing an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the method including a firing step of firing a raw material containing at least one kind of cerium salt selected from the group consisting of a carbonate of cerium and a hydrogencarbonate of cerium.

公开(公告)号：US20160199808A1

公开(公告)日：2016-07-14

申请号：US14914497

申请日：2014-10-15

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Kouhei YOSHIKAWA ,  Hiroki SATOU ,  Masato KANEEDA ,  Hidehiro NAKAMURA ,  Toshiaki SHIRASAKA ,  Kenetsu KITAMURA ,  Kazuhiro ENOMOTO

IPC: B01J20/08 ,  B01D53/047 ,  B01D53/04

CPC classification number: B01D53/02 ,  B01D53/0423 ,  B01D53/0462 ,  B01D53/047 ,  B01D2253/1122 ,  B01D2253/1124 ,  B01D2255/2065 ,  B01D2255/20723 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/20769 ,  B01D2255/40 ,  B01D2257/504 ,  B01D2259/4009 ,  B01D2259/401 ,  B01J20/06 ,  B01J20/08 ,  B01J20/28061 ,  B01J20/3433 ,  B01J20/3483 ,  Y02C10/08

Abstract: Provided is a carbon dioxide capturing material that captures a large amount of carbon dioxide, less suffers from decrease in an amount of the captured carbon dioxide even after firing, and has excellent heat resistance. The carbon dioxide capturing material separates and recovers carbon dioxide from a carbon-dioxide-containing gas. The capturing material includes an oxide containing Ce and Al. The oxide contains Ce in a highest content among metal elements in the oxide and contains Al in a content of 0.01% by mole to 40% by mole.

Abstract translation: 提供捕获大量二氧化碳的二氧化碳捕获材料，即使在烧制后也不会减少捕获的二氧化碳的量，并且具有优异的耐热性。 二氧化碳捕获材料从含二氧化碳的气体中分离并回收二氧化碳。 捕获材料包括含有Ce和Al的氧化物。 该氧化物含有氧化物中金属元素中含量最高的Ce，含有0.01摩尔％〜40摩尔％的Al。

公开(公告)号：US20200016536A1

公开(公告)日：2020-01-16

申请号：US16488311

申请日：2017-03-31

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Masahiro AOSHIMA ,  Yasuhiko YOSHINARI ,  Hidehiro NAKAMURA ,  Taigo ONODERA ,  Kouhei YOSHIKAWA ,  Masato KANEEDA

IPC: B01D53/96 ,  B01D53/62 ,  B01D53/82 ,  B01J20/06 ,  B01J20/34

Abstract: A carbon dioxide removal device 100 that include an adsorbent 1 and a reaction vessel 10 that have the adsorbent 1 installed therein, and that brings a gas to be treated containing carbon dioxide into contact with the adsorbent 1 and thereby removes carbon dioxide from the gas, in which the carbon dioxide removal device 100 further includes a water adjustment unit 20 that supplies water to the reaction vessel 10 and discharges water from the reaction vessel 10.

公开(公告)号：US20190201832A1

公开(公告)日：2019-07-04

申请号：US16311842

申请日：2017-05-15

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Masahiro AOSHIMA ,  Toshikatsu SHIMAZAKI ,  Hidehiro NAKAMURA ,  Kouhei YOSHIKAWA ,  Masato KANEEDA

IPC: B01D53/04 ,  B01J20/30 ,  C01F17/00 ,  F24F3/16

CPC classification number: B01D53/04 ,  B01D2253/1124 ,  B01D2257/504 ,  B01D2259/4508 ,  B01J20/06 ,  B01J20/30 ,  B01J20/3071 ,  B01J20/3085 ,  C01F17/00 ,  C01F17/0043 ,  F24F3/12 ,  F24F3/1603 ,  Y02A50/2342 ,  Y02C10/04 ,  Y02C10/08 ,  Y02P20/152

Abstract: Provided is a method for producing an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the method including a reaction step of reacting a mixture containing tetravalent cerium and at least one kind selected from the group consisting of urea, a urea derivative and an amide compound.

公开(公告)号：US20190151821A1

公开(公告)日：2019-05-23

申请号：US16301758

申请日：2017-03-31

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Masahiro AOSHIMA ,  Yasuhiko YOSHINARI ,  Toshikatsu SHIMAZAKI ,  Hidehiro NAKAMURA ,  Kouhei YOSHIKAWA ,  Taigo ONODERA ,  Masato KANEEDA

IPC: B01J20/06 ,  B01J20/28 ,  B01D53/04 ,  C01F17/00

Abstract: Provided is an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the adsorbent containing cerium oxide, in which a lattice constant of the cerium oxide is 0.5415 nm or more.