{"title":"Valorization of the aqueous phase from hydrothermal carbonization of different feedstocks: Challenges and perspectives","authors":"T.A.H. Nguyen , T.H. Bui , W.S. Guo , H.H. Ngo","doi":"10.1016/j.cej.2023.144802","DOIUrl":null,"url":null,"abstract":"<div><p>Hydrothermal carbonization (HTC) is a promising method for converting wet solid waste into value-added products. Despite the extensive research on the HTC solid fraction, the HTC aqueous phase (AP) has received limited attention. Due to the complex composition of HTC-AP, conventional decontamination technologies are often expensive and inefficient, while causing a waste of resources. This review aims to explore the characteristics of HTC-AP, identify the governing factors, and evaluate various valorization pathways to enable the utilization of HTC-AP. The review also proposes strategies to address the challenges in existing technologies for HTC-AP valorization and treatment, considering their merits and demerits. With the future prospects of valorizing HTC-AP, this review contributes to making HTC a more sustainable and economically viable process for waste management.</p></div>","PeriodicalId":270,"journal":{"name":"Chemical Engineering Journal","volume":"472 ","pages":"Article 144802"},"PeriodicalIF":13.2000,"publicationDate":"2023-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemical Engineering Journal","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1385894723035337","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
引用次数: 1
Abstract
Hydrothermal carbonization (HTC) is a promising method for converting wet solid waste into value-added products. Despite the extensive research on the HTC solid fraction, the HTC aqueous phase (AP) has received limited attention. Due to the complex composition of HTC-AP, conventional decontamination technologies are often expensive and inefficient, while causing a waste of resources. This review aims to explore the characteristics of HTC-AP, identify the governing factors, and evaluate various valorization pathways to enable the utilization of HTC-AP. The review also proposes strategies to address the challenges in existing technologies for HTC-AP valorization and treatment, considering their merits and demerits. With the future prospects of valorizing HTC-AP, this review contributes to making HTC a more sustainable and economically viable process for waste management.
期刊介绍：
The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.
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