Potential application of biodrying to treat solid waste

Abstract

The generation of solid waste around the world creates problems if not properly managed. The method of processing solid waste by burning or landfill is currently not optimal. The availability of land where the final processing (TPA) is critical, looking for a new TPA alternative will be difficult and expensive, especially in big cities. The processing of solid waste using bio drying technology has the potential to produce renewable energy and prevention of climate change. Solid waste processing products can serve as Refuse Derived Fuel (RDF), reduce water content of solid waste, meningkatkan kualitas lindi and increase the amount of recycled solid waste that is not completely separated from home. Biodrying technology is capable of enhancing the partial disintegration and hydrolysis of macromolecule organic compounds (such as C-Organic, cellulose, hemicellulose, lignin, total nitrogen). The application of biodrying has the potential to reduce greenhouse gas emissions such as carbon dioxide (CO2), methane (CH4), and dinitrooksida (N2O). These gases cause global warming.

The application of biodrying method for organic waste treatment in Universitas Trisakti, Jakarta

“…proper aeration control and temperature can lower water levels efficiently (66.7% of the initial moisture . Solid waste can be burned properly when the water content is about 20% [12]. The advantage of applying this biodrying method is shown by waste as raw material will have a reduced water content, yet the calorific value of the waste increases [3].…”

“…Moreover, campus is expected to play a role in waste handling and waste reduction efforts launched by the Government of Indonesia towards the program of Indonesia Bersih (Clean Indonesia) 2025 which is committed to set a target of 30% waste reduction and 70% waste handling. In addition, this study is further developed based on the study of [12], through the similar research of biodrying relying on investigating the evolution of temperatures of the bulking agents put in the reactor. However, the prior study used triplex material for the reactor, while this research will develop the reactor made of acrylic prioritizing its transparency property and light transmitting medium [13].…”

Application of biodrying with hot air aeration system to process solid waste into rdf

“…Biological processes, such as the aerobic degradation of organic matter, contribute to the heating process in solid waste biodrying. The heat generated from the aerobic decomposition process of organic compounds is combined with the function of excess air to dry solid waste [14]. The temperature profile in the biodrying reactor influences the intensity of microbial activity, with the highest activity being observed in the center of the reactor where the temperature reaches around 70°C.…”