| 摘要 |
A micro-porous material having agglomerates of precipitated silica, according to the formula MeOx.HiSiO2, The agglomerates are composed of porous particles, and the agglomerates exhibit a size in the range 0.5-500 μm. A gas filter having the micro-porous material, and a method of filtering air through the micro-porous material. |
