二氧化碳對氣候的影響是舉世面臨的最大問題，國內工業界亦面臨此一嚴峻的問題。二氧化碳主要來自火力發電廠、煉鋼廠與石化廠的排放，排放的二氧化碳的處理費用以收集回收佔大約70％的費用，因此如何收集濃縮是主要的瓶頸。二氧化碳的收集主要有吸收、吸附、冷凝等方法，目前以吸收的方法成本較低，吸收主要係以鹼性溶劑來吸收，如以MEA、DEA等，但此MEA及DEA會腐蝕不鏽鋼，因此需另添加抗腐蝕劑，但會增加成本，本研究擬以中孔型或巨孔型分子篩包含MEA或DEA來做為吸附劑，此分子篩以具較大孔體積的為最佳，且具厭水性，因此可有效地在濕氣體中吸附二氧化碳，而且MEA或DEA因包覆在分子篩中，因此不具腐蝕性，如此的吸附劑，即係將吸附溶劑固體化，且含有吸收與吸附的優點。本研究擬製備一系列的中孔型及巨孔型分子篩，如MCM-41、MCM-48等，並加以改質，再測試其對二氧化碳的吸附曲線，及在濕空氣中的選擇吸附特性。 A high capacity, water-resistant adsorbent for carbon dioxide is proposed to develop in this proposal. Heterogenerized basic solvent is proposed to prevent from the corrosion problem and to have the davantages of both absorption and adsorption methods. Monoethanol amine (MEA) or diethanolamine (DEA) loaded in mesoporous or macroporous materials is proposed to studied. The materials will be prepared by incipient-wetness impregnation. The porous material should have high pore volume and should be hydrophobic in order to have enough capacity for MEA and DEA and to have water-resistant behavior. 13X zeolite will be used for comparison. Porous materials will be MCM-41, MCM-48, HMS and other macroporous materials. Some will be modified with Mg or other basic compounds. These materials will be characterized by XRD, N2 sorption, TEM, SEM, and ESCA. Adsorption capacity will be measured by TGAusing dry CO2 to uptain uptake curve and apparent rate data. CO2 in humid air will also be used to check its selective adsorption behavior. 研究期間：9601 ~ 9612
