公开(公告)号：US20160220943A1

公开(公告)日：2016-08-04

申请号：US14915366

申请日：2014-10-15

Applicant: HITACHI CHEMICAL COMPANY, LTD.

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

IPC: B01D53/04

CPC classification number: B01D53/0438 ,  B01D53/02 ,  B01D53/0423 ,  B01D53/0462 ,  B01D2253/102 ,  B01D2253/104 ,  B01D2253/106 ,  B01D2253/108 ,  B01D2253/1122 ,  B01D2253/1124 ,  B01D2253/204 ,  B01D2253/25 ,  B01D2253/3425 ,  B01D2257/504 ,  B01D2259/40009 ,  B01D2259/40086 ,  B01D2259/40088 ,  B01D2259/4009 ,  B01J20/041 ,  B01J20/043 ,  B01J20/06 ,  B01J20/08 ,  B01J20/103 ,  B01J20/226 ,  B01J20/3433 ,  B01J20/3458 ,  C01B32/50 ,  Y02C10/04 ,  Y02C10/08 ,  Y02P20/152 ,  Y02P20/57

Abstract: In regenerating carbon dioxide capturing material, the amount of regeneration gas supplied to a carbon dioxide recovery column is reduced for higher energy efficiency and shortened regeneration time. A carbon dioxide recovery apparatus includes a carbon dioxide sorbing column, a heating unit, and first, second, and third channels. The carbon dioxide sorbing column contains a carbon dioxide capturing material. The heating unit heats the carbon dioxide capturing material. A carbon-dioxide-containing gas is introduced via the first channel into the carbon dioxide sorbing column. The regeneration gas is introduced via the second channel into the carbon dioxide sorbing column. A gaseous mixture containing a gas desorbed from the carbon dioxide capturing material is recovered via the third channel. The heating unit preheats the carbon dioxide capturing material, and then the regeneration gas is introduced into the carbon dioxide sorbing column to recover carbon dioxide from the carbon dioxide capturing material.

Abstract translation: 在再生二氧化碳捕获材料中，为了更高的能量效率和更短的再生时间而减少供应到二氧化碳回收塔的再生气体的量。 二氧化碳回收装置包括二氧化碳吸附塔，加热单元和第一，第二和第三通道。 二氧化碳吸附塔含有二氧化碳捕获材料。 加热单元加热二氧化碳捕获材料。 通过第一通道将含二氧化碳的气体引入二氧化碳吸附塔中。 再生气通过第二通道引入二氧化碳吸附塔。 通过第三通道回收含有从二氧化碳捕获材料解吸的气体的气体混合物。 加热单元预热二氧化碳捕获材料，然后将再生气体引入二氧化碳吸附塔中以从二氧化碳捕获材料回收二氧化碳。

公开(公告)号：US20190301754A1

公开(公告)日：2019-10-03

申请号：US16301754

申请日：2017-05-15

Applicant: HITACHI CHEMICAL COMPANY, LTD.

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

IPC: F24F3/12 ,  B01D53/04 ,  B01J20/06 ,  B01J20/30

Abstract: Provided is an air conditioner 100 used in a space R containing a gas having a concentration of carbon dioxide of 5000 ppm or less, the air conditioner 100 including a flow path 10 connected to the space R, in which a removal section 10c for removing carbon dioxide contained in the gas is disposed in the flow path 10, an adsorbent 80 containing cerium oxide is disposed in the removal section 10c, and the carbon dioxide adsorbs on the adsorbent 80 as the adsorbent 80 comes into contact with the gas.

公开(公告)号：US20190022572A1

公开(公告)日：2019-01-24

申请号：US16071445

申请日：2016-08-24

Applicant: Hitachi Chemical Company, Ltd.

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

IPC: B01D53/04 ,  B01D53/60 ,  B01D53/62 ,  B01D53/82 ,  B01J20/06

Abstract: A carbon dioxide separation/recovery device for separating and recovering carbon dioxide from a gas to be processed and containing nitrogen oxides and carbon dioxide by using a carbon dioxide scavenger, including a carbon dioxide trapping unit having the carbon dioxide scavenger, in which the carbon dioxide trapping unit includes: a gas flow inlet which introduces the gas to be processed; a heating unit of heating a scavenger heating gas used upon desorption of carbon dioxide trapped by the carbon dioxide scavenger to a predetermined temperature; a cooling gas introduction port which introduces a scavenger cooling gas used when cooling the carbon dioxide scavenger; and a moisture mixing part which adds moisture to a gas for nitrogen oxide desorption used in desorption of nitrogen oxides from the carbon dioxide scavenger. Consequently, NOx accumulated to the carbon dioxide scavenger is desorbed, thereby capable of suppressing lowering in the performance of the carbon dioxide scavenger and reducing the running cost.

公开(公告)号：US20180250629A1

公开(公告)日：2018-09-06

申请号：US15756427

申请日：2016-08-08

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Kohei YOSHIKAWA ,  Masato KANEEDA ,  Hidehiro NAKAMURA

IPC: B01D53/62 ,  B01D53/04 ,  B01D53/82 ,  F01N3/20 ,  B01J20/04 ,  B01J20/34

CPC classification number: B01D53/62 ,  B01D53/04 ,  B01D53/0407 ,  B01D53/82 ,  B01D2253/102 ,  B01D2253/112 ,  B01D2257/504 ,  B01J20/04 ,  B01J20/06 ,  B01J20/20 ,  B01J20/22 ,  B01J20/28 ,  B01J20/34 ,  F01N3/08 ,  F01N3/20 ,  Y02A50/2342 ,  Y02C10/04 ,  Y02C10/08

Abstract: Provided is an exhaust-gas treatment equipment including: a reaction container filled with a gas capture material that captures a particular gas component, the reactor container emitting gas obtained by removing the particular gas component from supplied gas by reaction of the supplied gas with the gas capture material; a temperature measuring element disposed in the reaction container, the temperature measuring element measuring a temperature of the gas capture material in the reaction container; a moving unit that freely moves the temperature measuring element in a direction that is parallel to a flow of the supplied gas flowing in the reaction container; and a control unit that estimates a deterioration state of the gas capture material using temperatures of the gas capture material at a plurality of different positions in the reaction container, the temperatures being measured by the temperature measuring element.