| Title | Does the initial C/N ratio interfere with the performance of sewage sludge composting and cotton waste? |
|---|---|
| ID_Doc | 26019 |
| Authors | Chiarelotto, M; de Melo, DC; dos Santos, MVA |
| Title | Does the initial C/N ratio interfere with the performance of sewage sludge composting and cotton waste? |
| Year | 2024 |
| Published | Environmental Technology, 45, 13 |
| Abstract | The effects of the initial C/N ratio on the composting of sewage sludge and cotton residues are not reported in the literature. Understanding the main composting control parameters is essential for the good stabilization of these wastes. Therefore, this study sought to evaluate different initial C/N ratios for the composting of sewage sludge and cotton waste, aiming to find the ranges with the best performance for the process and quality of the final organic compost. In this sense, five mixtures of sewage sludge (S) and cotton residues (C) were prepared and composted with three replications for each treatment in a completely randomized design. Physicochemical parameters were evaluated during composting and in the final organic compounds. A Multivariate Principal Component Analysis (PCA) was applied to evaluate the agronomic quality of organic compounds. The thermal behaviour of the mixtures presented differences. The treatments 90C10S, 80C20S and 67C33S showed the highest EXI2 index (3566.64, 3448.39 and 2738.89), longer duration of thermophilic phase (12 and 13 days) and better potential for maximum degradation (A) of organic matter (67.5, 61.2 and 65.6%C). The final compounds of 90C10S and 80C20S showed higher pH values (7.9 and 7.5) and higher CEC (123.6 and 114.0 meq/100 g OM). PCA showed similarity in the agronomic quality of organic compounds for 90C10S, 80C20S and 67C33S. The treatment 28C72S (initial C/N ratio of 16.6) presented final pH of 5.3 and did not meet the minimum limit required by Brazilian regulations. Initial C/N relations between 24.9 and 35.2 showed better stabilization of waste and final organic compound with better agronomic quality. |
Similar Articles
| ID | Score | Article |
|---|---|---|
27075
|
Haouas, A; El Modafar, C; Douira, A; Ibnsouda-Koraichi, S; Filali-Maltouf, A; Moukhli, A; Amir, S Evaluation of the nutrients cycle, humification process, and agronomic efficiency of organic wastes composting enriched with phosphate sludge(2021) | |
| 4748
|
Ofei-Quartey, MNL; Appiah-Effah, E; Akodwaa-Boadi, K; Ampaw, B; Taylor, TS; Millogo, ZEN Enhancing the economic potential of organic waste by co-composting using ratio modelling toward a circular economy(2023)Journal Of Material Cycles And Waste Management, 25, 3 | |
| 24140
|
Rodriguez-Carretero, I; Canet, R; Quinoñes, A; Pérez-Piqueres, A Industrial-Scale Composting of Rice Straw and Sewage Sludge(2023)Agronomy-Basel, 13, 9 | |
| 13015
|
Kulikowska, D; Bernat, K Waste Willow-Bark from Salicylate Extraction Successfully Reused as an Amendment for Sewage Sludge Composting(2021)Sustainability, 13.0, 12 | |
| 21157
|
Santos, AF; Gomes, LA; Góis, JC; Quina, MJ Improvement of Thermal Dehydration and Agronomic Properties of Products Obtained by Combining Sewage Sludge with Industrial Residues(2021)Waste And Biomass Valorization, 12.0, 9 | |
| 21123
|
Neczaj, E; Grosser, A; Grobelak, A; Celary, P; Singh, BR Conversion of Sewage Sludge and Other Biodegradable Waste into High-Value Soil Amendment within a Circular Bioeconomy Perspective(2021)Energies, 14.0, 21 | |
| 29074
|
Krasowska, M; Kowczyk-Sadowy, M; Obidzinski, S Composting Of Stabilized Municipal Sewage Sludge With Residues From Agri-Food Processing In Poland(2022)Ekonomia I Srodowisko-Economics And Environment, 83.0, 4 | |
| 14686
|
Irka, CI; Prudent, P; Théraulaz, F; Farnet Da Silva, AM; Asia, L; Gori, D; Vassalo, L; Durand, A; Demelas, C; Höhener, P; Wong-Wah-Chung, P Treatment of Sewage Sludge Compost Leachates on a Green Waste Biopile: A Case Study for an On-Site Application(2022)Processes, 10, 6 | |
| 20208
|
Pecorini, I; Peruzzi, E; Albini, E; Doni, S; Macci, C; Masciandaro, G; Iannelli, R Evaluation of MSW Compost and Digestate Mixtures for a Circular Economy Application(2020)Sustainability, 12, 7 | |
| 11047
|
Mancuso, G; Langone, M; Di Maggio, R; Toscano, A; Andreottola, G Effect of hydrodynamic cavitation on flocs structure in sewage sludge to increase stabilization for efficient and safe reuse in agriculture(2022)Bioremediation Journal, 26, 1 |