Spectroscopy techniques for monitoring the composting process: a review

APS Martín, FC Marhuenda-Egea, MA Bustamante… - Agronomy, 2023 - mdpi.com
Composting is described as a sustainable alternative to organic waste reuse from the
agricultural and household sectors. The organic matter degradation and stabilization …

[HTML][HTML] Characterization of humic substances recovered from the sewage sludge and validity of their removal from this waste

J Michalska, J Turek-Szytow, A Dudło… - EFB Bioeconomy …, 2022 - Elsevier
Being an inevitable byproduct of the operation of wastewater treatment plants (WWTPs),
sewage sludge may cause serious environmental problems. Thus, the proper treatment and …

Valorization of lignite wastes into humic acids: Process optimization, energy efficiency and structural features analysis

E Sarlaki, AS Paghaleh, MH Kianmehr, KA Vakilian - Renewable Energy, 2021 - Elsevier
The present work investigates the optimization of humic acids (HAs) production from lignite
processing wastes using a developed mechanical agitated (MA) tank reactor based on the …

Advances and challenges in humic acid production technologies from natural carbonaceous material wastes

E Sarlaki, MH Kianmehr, N Marzban… - Chemical Engineering …, 2024 - Elsevier
Humic acids (HAs) play a crucial role in enhancing agro-environmental sustainability by
acting as synergistic intermediaries between soil, water, fertilizers, microbiomes, and plant …

Adsorption behaviors of Au (Ⅲ) onto humic acid extracted from gold ore: Adsorptive kinetics, isotherm and mechanism

H Niu, H Yang, L Tong - Colloids and Surfaces A: Physicochemical and …, 2021 - Elsevier
Humic acid is an important component of carbonaceous matters in the carbon-containing
gold ores, which possesses gold-adsorbing capability and leads to the gold loss due to its …

Efficient recovery and characterization of humic acids from municipal and manure composts: A comparative study

M Fernández-Delgado, JC López-Linares, S Lucas… - Waste Management, 2023 - Elsevier
The recovery of humic acids from low-quality compost obtained in municipal solid waste
treatment plants provides opportunities for its valorization. This study compares the recovery …

Spectroscopic and microscopic characterization of humic acids from composts made by co-composting of green waste, spent coffee and OMWW sludge

M Fersi, R Hajji, K Mbarki, I Louati, N Jedidi… - Environmental …, 2024 - Taylor & Francis
Due to its important role in the formation of humic acids (HA), improving lignin degradation
during composting has usually been considered a challenge. One practice that could …

Source, treatment, and disposal of aquaculture solid waste: a review

Y Wu, K Song - Journal of Environmental Engineering, 2021 - ascelibrary.org
Due to the serious environmental pollution and waste of resources resulting from
aquaculture solid waste, its treatment and disposal have attracted wide attention in recent …

Hydrothermal alkaline conversion of sewage sludge: optimization of process parameters and characterization of humic acid

C Qiu, W Xu, Y Wang, J Yang, X Su, Z Lin - Environmental Science and …, 2021 - Springer
Sewage sludge (SS) dewatering is a key step in sludge disposal, which plays an important
role in reducing sludge volume, facilitating transportation and subsequent treatment. In this …

Introducing a modified method for quantitative determination of humic acid in commercial fertilizers

M Marzi, K Shahbazi, S Tabakhian… - Journal of Soil Science …, 2022 - Springer
Humic acids (HA) are considered as one of the most important substances increasing crop
yields. Therefore, developing an inexpensive and accurate method for the quantification of …