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Sewage sludge treatment methods and P-recovery possibilities: Current state-of-the-art.
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SYSNO ASEP 0556896 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Sewage sludge treatment methods and P-recovery possibilities: Current state-of-the-art. Author(s) Hušek, Matěj (UCHP-M) ORCID, RID, SAI
Moško, Jaroslav (UCHP-M) RID, ORCID, SAI
Pohořelý, Michael (UCHP-M) RID, ORCID, SAIArticle number 115090 Source Title Journal of Environmental Management. - : Elsevier - ISSN 0301-4797
Roč. 315, AUG 1 (2022)Number of pages 14 s. Language eng - English Country GB - United Kingdom Keywords sewage sludge ; incineration ; pyrolysis Subject RIV DM - Solid Waste and Recycling OECD category Environmental sciences (social aspects to be 5.7) R&D Projects QK21020022 GA MZe - Ministry of Agriculture (MZe) Method of publishing Open access with time embargo (02.08.2024) UT WOS 000798593300002 EID SCOPUS 85129070737 DOI 10.1016/j.jenvman.2022.115090 Annotation With the growing emphasis on environmental protection, the ways of sewage sludge treatment are changing. In this review, we analyse different methods of sewage sludge treatment in terms of potential environmental risk and raw materials recovery. The review begins with a comparison and assessment of existing reviews on this topic. Then, it focuses on the properties and current utilisation of sewage sludge in agriculture and a brief description of sludge thermal treatment methods (mono- and co-incineration, pyrolysis, and gasification). The final part of the review is devoted to technologies for treating sludge ash from mono-incinerators to recover phosphorus, a substance listed as a critical raw material by the EU. Our results show that direct use of sewage sludge likewise composts containing sewage sludge should no longer be considered as a direct source of nutrients
and organic matter in agriculture, because of its pollutant content. Co-incineration and landfilling represent a dead-end in sludge treatment due to the loss of raw materials, whereas pyrolysis is sustainable for remote locations with low heavy metal content sludge. Heavy metals also pose a problem for the direct use of sludge ash and must be therefore removed. There are already sludge ash processing technologies that are capable of processing ash to form a variety of raw materials such as phosphorus. These regeneration approaches are currently in their infancy, but are gradually being introduced. The sewage sludge treatment industry is rapidly evolving, and we have attempted to summarise and discuss the current state of knowledge in this review, which will provide a baseline towards the future of sewage sludge suitable treatment.Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2023 Electronic address http://hdl.handle.net/11104/0331013
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