JP4873751B2 - 二酸化炭素除去剤とその再生方法 - Google Patents
二酸化炭素除去剤とその再生方法 Download PDFInfo
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- JP4873751B2 JP4873751B2 JP2008119573A JP2008119573A JP4873751B2 JP 4873751 B2 JP4873751 B2 JP 4873751B2 JP 2008119573 A JP2008119573 A JP 2008119573A JP 2008119573 A JP2008119573 A JP 2008119573A JP 4873751 B2 JP4873751 B2 JP 4873751B2
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- carbon dioxide
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小森佳彦、黒田一幸「無機層状物質と有機物との相互作用」化学総説(日本化学会編、学会出版センター)42,p33−44,(1994). Cavani,F.;Trifiro,F.;Vaccari,A.Catal.Today1991,11,173. Ogawa,M.;Kaiho,H.Langmuir2002,18,4240. Miyata,S.ClaysClayMiner.1983,31,305. Reichle,W.T.SolidStatesIonics1986,22,135. 鈴木榮一、小野嘉夫「ハイドロタルサイトのインターカレーション化学」、化学総説(日本化学会編、学会出版センター)21,p49−55,(1994). Bish,D.L.,Bull.Mineral.1980,103,170. Adachi−Pagano,M.;Forano,C.;Besse,J−P.J.Mat.Chem.1988,13,1988.
Claims (5)
- 二酸化炭素が水に溶解して生じる炭酸イオンを吸収し、この吸収した炭酸イオンを、陰イオン(X)の塩を含む希酸水溶液と接触させ、陰イオン(X)と陰イオン交換することにより再生する再生可能な二酸化炭素除去剤であって、一般式;MxN(OH)z(X)・nH2O(式中、xは、1.8≦x≦4.2の数値範囲、zは、2(x+1)、Mは、2価の金属イオン、Nは、3価の金属イオン、nは、環境の湿度により変化するが、ほぼ2、Xは陰イオン。)で表される組成を有する陰イオン交換性層状複水酸化物からなることを特徴とする再生可能な二酸化炭素除去剤。
- 請求項1の一般式で示される二酸化炭素除去剤であって、式中の2価の金属イオンがマグネシウムイオン、3価の金属イオンがアルミニウムイオン、陰イオンが塩素イオンであることを特徴とする再生可能な二酸化炭素除去剤。
- 請求項1または2に記載の二酸化炭素除去剤を再生する方法であって、水中で二酸化炭素により生成した炭酸イオンを包接・吸収した前記二酸化炭素除去剤を、陰イオン(X)の塩を含む希酸水溶液と接触させ、前記二酸化炭素除去剤に取り込まれた炭酸イオンと陰イオン(X)とを陰イオン交換することにより再生することを特徴とする二酸化炭素除去剤の再生方法。
- 請求項3に記載の二酸化炭素除去剤を再生する方法であって、陰イオン(X)の塩が塩素イオンの塩であり、希酸水溶液が0.005から0.008規定の濃度の塩酸水溶液であることを特徴とする二酸化炭素除去剤の再生方法。
- 請求項4に記載の二酸化炭素除去剤を再生する方法であって、塩素イオンの塩が塩化ナトリウムで、その塩濃度が2重量%以上であることを特徴とする二酸化炭素除去剤の再生方法。
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JP2004067514A Division JP4228077B2 (ja) | 2004-03-10 | 2004-03-10 | ハイドロタルサイトの脱炭酸イオンによる、イオン交換性のある陰イオンを有する層状水酸化物の製造方法 |
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KR102132779B1 (ko) * | 2012-02-02 | 2020-07-10 | 삼성전자주식회사 | 이산화탄소 흡착제, 그 제조 방법 및 이를 포함하는 이산화탄소 포집 모듈 |
KR101517513B1 (ko) | 2013-10-07 | 2015-05-06 | 한국에너지기술연구원 | 입체장애 알카놀아민을 포함하는 이산화탄소 흡수용 조성물, 이를 이용한 이산화탄소 흡수 방법 및 장치 |
JP6612177B2 (ja) * | 2016-05-11 | 2019-11-27 | 日立Geニュークリア・エナジー株式会社 | 水処理システム及び水処理方法 |
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