Hydrochar for Soil Management Within a Waste-to-Resource Framework: From Characteristics to Agri-Environmental Implications

AgriEngineering 2026 Open access

Read full text
Authors: Laís Helena Sousa Vieira, Francisca Gleiciane da Silva, Laís Gomes Fregolente, Ícaro Vasconcelos do Nascimento, Rafaela Batista Magalhães, Francisco Luan Almeida Barbosa, Gilvanete da Silva Henrique, M. Fátima B. Gonçalves, Bruno Eduardo Lopes Sousa, Eduardo Custódio Vilas Boas, Amauri J. Paula, Helon Hébano de Freitas Sousa
+4 more Arthur Prudêncio de Araújo Pereira, Jaedson Cláudio Anunciato Mota, Mírian Cristina Gomes Costa, Odair P. Ferreira
DOI: 10.3390/agriengineering8030108
Cited by: 2
References: 200

Abstract

The growing demand for sustainable soil management strategies has intensified interest in hydrochar (HC), a waste-derived amendment produced via hydrothermal carbonization (HTC). This review synthesizes recent advances in HC production, characterization, and agri-environmental applications within a waste-to-resource framework. It covers studies conducted mainly over the last decade, encompassing a wide range of feedstocks, including agricultural residues, sewage sludge, animal manures, and food waste. HTC is typically performed at 130–280 °C under autogenous pressure (2–15 MPa), generating HCs with low intrinsic surface area (

Fields of Study & Subjects

Thermochemical Biomass Conversion Processes Phosphorus and nutrient management Composting and Vermicomposting Techniques

Publication details

Journal / source
AgriEngineering
Publisher
MDPI AG
Volume
8
Issue
3
Pages
108–108
Publication date
11 March 2026
Language
EN