초록 |
A new group of composite materials, FAPO4-5/CaCl2 with various ratios, has been synthesized by physical mixing of FAPO4-5 with saturated aqueous solution of CaCl2. The FAPO4-5/CaCl2 composites synthesis by a spray drying method has been tried. The FAPO4-5/CaCl2 composites were characterized by several techniques such as scanning electron microscope (SEM), N2 and water adsorption analyses. The FAPO4-5/CaCl2 composites exhibit a high water vapor adsorption capacity up to ~900 mg/g-sorbent at P/P0 < 0.3. The composites will be coated on heat exchangers and water vapor adsorption-desorption performance will be examined in an adsorption air-conditioning system. |