Efficient plant leaf biomass management through ECO-leaf composter using structured decision-making technique for optimal dry leaf composting selection
DOI:
https://doi.org/10.62638/ZasMat1826Abstract
Sustainable management of leaf biomass, including leaves, petioles, twigs, and other aboveground plant materials, has become a significant challenge in both residential and municipal settings. The Eco-leaf composter was developed as a sustainable solution, and its efficiency was evaluated through five trials (T1, T2, T3, T4, and T5) for a period of 30 days, each using different forms of plant leaf biomass.T1 used grinded form of plant leaf biomass with organic inoculum, andT2 used grinded plant leaf biomass without an optimum quantity of handmade organic inoculum using valuable ingredients, In T3unshredded form of plant leaf biomass with organic inoculum was used, while in T4shredded form of plant leaf biomass with organic inoculum and inT5 shredded form of plant leaf biomass was experimented without the use of organic inoculum. Composting temperatures were maintained between 50°C and 60°C, with moisture content kept at approximately 65% throughout the process. The Analytical Hierarchy Process (AHP) was employed to identify the best-performing trials. Among all trials, T1demonstrated the highest composting efficiency, with a pH range of 7.6 to 8.6 (indicating active composting), a reduction in total organic carbon from 42% to 36.5%, an increase in total nitrogen from 0.7% to 1.3%, and a decrease in the C:N ratio from 57.8 to 28.3 over 30 days. Also, cellulose content decreased from 42.9% to 3.3%, hemicellulose from 9.8% to 0.5%, and lignin from 13% to 0.3%. Compared with T3, which was made of unmilled dry leaves, this leads to a slower rate of degradation was likely due its large leaf material size. In conclusion, we need to keep in mind how composting parameters should be set to deal with waste from gardens efficiently. This approach offers an alternative to traditional disposal methods by providing a rapid, compact, insitu, environment friendly and efficient approach to the problem.
Keywords:
Eco-leaf, thermophilic temperature, sustainability, circular economy, germination, dry leavesReferences
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