Research of gas-phase atomic oxygen anions generated from nano-cage material

纳米笼材料产生气相原子氧负离子的研究

• 批准号: 15106012
• 负责人: NISHIOKA Masateru
• 金额: $ 65.15万
• 依托单位: National Institute of Advanced Industrial Science and Technology (2007)Kogakuin University (2005-2006)The University of Tokyo (2003-2004)
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (S)
• 财政年份: 2003
• 资助国家: 日本
• 起止时间: 2003 至 2007
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15106012/
• 关键词: atomic oxygen radical; O^-; VOC decomposition; atmospheric pressure; negative ion; sterilization; active oxygen spices; O^- water; O-イオン; ラジカル; VOC; ナノケージ材料; 液相酸化; シリコン酸化; アルミナセメント; フロンガス分解; 四重極質量分析計

The nanoporous crystal 12CaO・7Al_2O_3 (C12A7) is able to discharge generate strong and high purity oxygen anions (O^-) beam under reduced pressure. Various applications of O^-, such as VOCs gas decompositions, NOx, SOx removal, sterilization are operated under atmospheric pressure. However, the emission of O^- ion or related species under atmospheric pressure have not been evaluated. In this study, the characteristics of negative ion species emissions from the C12A7 membrane-coated on the ceramic heater under atmospheric pressure were investigated by quadrupole mass spectrometry. Negative ion species were confirmed to be emitted even under atmospheric pressure. It was supposed that the detected negative ion clusters, such as O^-(H_2O)_n, O_2^-(H_2O)_n, and CO_4^-(H_2O)_n, were generated by the reaction of negative ions emitted from the heater with impurities in He gas.The O^- applications were also developed in this study. For the gas phase applications, PFCs, VOCs, NOx and SOx chemical spices can be removed by C12A7. The O^- generated from C12A7 were accelerated an oxidation of these spices, and the reaction temperature were decreased. Applications of liquid phase reaction were also demonstrated. O^- water (OW) was prepared by bubbling of O^-/argon flux into deionized water. The OW could inactivate E. coli, which may be potentially useful in developing a novel approach for the microbial decontamination of food, water or heat-sensitive material.

纳米多孔晶体12 CaO·7Al_2O_3（C12 A7）在低压下能放电产生强的高纯度氧负离子（O^-）束流。O^-的各种应用，如VOC气体分解、NOx、SOx去除、灭菌都是在大气压下进行的。然而，尚未评估大气压下O^-离子或相关物质的排放。在这项研究中，负离子物种的排放特性，从C12 A7膜涂覆在陶瓷加热器在大气压力下的四极质谱研究。负离子物质被证实即使在大气压下也会释放。实验中检测到的O^-（H_2O）_n、O_2^-（H_2O）_n和CO_4^-（H_2O）_n等负离子团簇是由加热器发射的负离子与He气体中的杂质反应生成的，并对O^-的应用进行了研究。对于气相应用，C12 A7可以去除PFCs，VOCs，NOx和SOx化学香料。这些香料的氧化促进了C12 A7生成的O^-，降低了反应温度。并对液相反应的应用进行了说明。通过将O^-/氩气助熔剂鼓泡到去离子水中来制备O^-水（OW）。OW可能会放弃。大肠杆菌，这可能是潜在的有用的开发一种新的方法，用于食品，水或热敏材料的微生物净化。

项目成果

Investigation on the Application of C12A7 in Flue Gas Desulfurization at Low-Moderate Temperature

C12A7在中低温烟气脱硫中的应用研究

• 发表时间: 2007
• 期刊: Energy & Fuels 21
• 作者: 蟹井千織;中川武;白井裕泰;中沢信一郎;林英昭;Qun Chen
• 通讯作者: Qun Chen

O^- emission from 12CaO・7Al_O_3 electrolyte and its application for silicon oxidation

12CaO·7Al_O_3电解质的O^-发射及其在硅氧化中的应用

• 发表时间: 2005
• 期刊: International Conference on Solid State Ionics-15
• 作者: M.Nishioka;他8名
• 通讯作者: 他8名

活性酸素包摂セラミック(C12A7)を用いたVOC類の酸化分解

使用含活性氧陶瓷（C12A7）氧化分解VOC

• 发表时间: 2005
• 期刊: 化学工学会第70年会
• 作者: 台野洋平;西岡将輝
• 通讯作者: 西岡将輝

Generation of Negative Ion Species in the Gas Phase from a 12CaO・7Al2O3 Membrane-Coated Ceramic Heater under Atmo spheric Pressure

大气压下 12CaO・7Al2O3 覆膜陶瓷加热器在气相中产生负离子物种

• 发表时间: 2007
• 作者: Nakazawa Shin-ichiro;Nakagawa Takeshi;Sakanoto Tadanori;Hayashi Hideaki. Nakamura Yasukazu;Regan Nayve;Mitsuo Yamamoto
• 通讯作者: Mitsuo Yamamoto

大気圧におけるC12A7由来気相活性酸素種の輸送性と酸化反応促進への利用

C12A7 气相活性氧在大气压下的可传递性及其在促进氧化反应中的应用

• 发表时间: 2007
• 作者: T.;Yoshida;T.;Mashimo;K.;Akagi;A.;Iwata;M.;Yoshida;K.;Uematsu;西岡 将輝
• 通讯作者: 西岡 将輝