Article

P Aswathy Bhat, ASIET; Prayaga Pratap ,ASIET; Maria Rose Antony ,ASIET; Gomathy S ,ASIET

This paper present solar regenerated desiccant dehumidifier which is energy efficient. The main objective is to reduce the load of air conditioner in humid area and to reduce electricity bills. Desiccant is a substance that absorbs moisture. Here we are using a solar regenerated desiccant as a dehumidifier. The desiccant used here is silica gel. The air from the room is passed through the silica gel using blowers. The silica gel will adsorb the moisture from the air up to the required level. Sensors used to measure the pressure, temperature, humidity are equipped before and after the desiccant. According to the required level the moisture is absorbed. The remaining hot air is then passed through a cooler which will cool the air up to the requirements. The air is then blown in to the room. A solar air heater is used to dry the desiccant. The hot air from the heater is passed or circulate through the desiccant which will in turn dry out the desiccant. The hot air will then blowed outside the room. The main advantage of this system is that we are using solar aided dehumidifier, so apart from the capital cost all other costs are minimum. Solar is renewable energy resource.