{"title":"Biomass conversion strategies and wastewater reuse: a deep focus on hydrothermal liquefaction as a circular economy approach","authors":"Wanda Gugliucci, Olimpia Pepe, Valeria Ventorino","doi":"10.1186/s40538-024-00710-w","DOIUrl":null,"url":null,"abstract":"<div><p>A wide variety of eco-friendly and at <i>zero waste</i> techniques are developed for biomass conversion and valorization of its residues and by-products such as water fraction and organic residues which could be further utilized. The wastewater reuse is one of the best strategies for water security, sustainability, and resilience. To date, the municipal wastewater was the most widely used, nowadays the innovative technologies for biomass conversion and energy production allow the recovery of wastewater with better and safer features than the municipal effluents. Depending on the moisture content of the starting feedstock, the hydrothermal liquefaction process (HTL) generates also up to 95% of wastewater (HTL–WW) generally rich in nitrogen, phosphorus, and sulfate as well as micronutrients and minerals. Although it is currently recycled through various biological systems such as microalgae cultivation and anaerobic digestion, the possibility of using the wastewater from HTL process as irrigation water for agricultural purpose is discussed representing a source of crop nutrients for the high amount of organic and inorganic compounds and a new approach in contributing to reduce the increasing pressure on freshwater resources.</p><h3>Graphical abstract</h3>\n<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":512,"journal":{"name":"Chemical and Biological Technologies in Agriculture","volume":"11 1","pages":""},"PeriodicalIF":5.2000,"publicationDate":"2024-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chembioagro.springeropen.com/counter/pdf/10.1186/s40538-024-00710-w","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemical and Biological Technologies in Agriculture","FirstCategoryId":"97","ListUrlMain":"https://link.springer.com/article/10.1186/s40538-024-00710-w","RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"AGRICULTURE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
A wide variety of eco-friendly and at zero waste techniques are developed for biomass conversion and valorization of its residues and by-products such as water fraction and organic residues which could be further utilized. The wastewater reuse is one of the best strategies for water security, sustainability, and resilience. To date, the municipal wastewater was the most widely used, nowadays the innovative technologies for biomass conversion and energy production allow the recovery of wastewater with better and safer features than the municipal effluents. Depending on the moisture content of the starting feedstock, the hydrothermal liquefaction process (HTL) generates also up to 95% of wastewater (HTL–WW) generally rich in nitrogen, phosphorus, and sulfate as well as micronutrients and minerals. Although it is currently recycled through various biological systems such as microalgae cultivation and anaerobic digestion, the possibility of using the wastewater from HTL process as irrigation water for agricultural purpose is discussed representing a source of crop nutrients for the high amount of organic and inorganic compounds and a new approach in contributing to reduce the increasing pressure on freshwater resources.
期刊介绍：
Chemical and Biological Technologies in Agriculture is an international, interdisciplinary, peer-reviewed forum for the advancement and application to all fields of agriculture of modern chemical, biochemical and molecular technologies. The scope of this journal includes chemical and biochemical processes aimed to increase sustainable agricultural and food production, the evaluation of quality and origin of raw primary products and their transformation into foods and chemicals, as well as environmental monitoring and remediation. Of special interest are the effects of chemical and biochemical technologies, also at the nano and supramolecular scale, on the relationships between soil, plants, microorganisms and their environment, with the help of modern bioinformatics. Another special focus is the use of modern bioorganic and biological chemistry to develop new technologies for plant nutrition and bio-stimulation, advancement of biorefineries from biomasses, safe and traceable food products, carbon storage in soil and plants and restoration of contaminated soils to agriculture.
This journal presents the first opportunity to bring together researchers from a wide number of disciplines within the agricultural chemical and biological sciences, from both industry and academia. The principle aim of Chemical and Biological Technologies in Agriculture is to allow the exchange of the most advanced chemical and biochemical knowledge to develop technologies which address one of the most pressing challenges of our times - sustaining a growing world population.
Chemical and Biological Technologies in Agriculture publishes original research articles, short letters and invited reviews. Articles from scientists in industry, academia as well as private research institutes, non-governmental and environmental organizations are encouraged.
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