Aerogels are one of the highly applicable materials, having very high surface area. Beside of high surface area, these material heve some attractive specification such as very low density. Fribility, flexibity and dimensional stability are some of important parmeters of mechanical properties of Aerogels. With respect to these specifications, Aerogels have many industrial application puroposes. Aerogel are produced via sol-gel process and one-step of special drying, in addition. In this thesis, three types of Alumina, Silica and Bentonite Arogels have been produced by using of supercritical technology. Produced Aerogels structures have been studied by FT-IR method. Sufrace area of these Aerogels has been examined via BET method. BET test results showed that the highest surface area is belongs to corresponding Alumina Aerogel. Surface area of this aerogel was obtained at 277.211 m 2 /g. As one of their application, these Aerogels have been deployed for catalyst basis for bioethanol conversion reaction.Among the produced catalysts, the Nickel-loaded catalyst which consists 8% w/w of Nickel on Alumina Aerogels has been showed the best performance. Qulitative measurments showed that major products of reaction are 1-Butanol, Diethylether and 1-Hexanol. Obtained yields for 1-Butanol, Diethylether and 1-Hexanol was 25.5 ± 0.2%, 8.6 ±0.88% and 5.5 ± 0.11% respectively for this catalyst. Studies showed that the optimum tempreture was 250?C and pressure was 141 bars.