Sewage Sludge Management and Application in the Form of Sustainable Fertilizer

Gulnar Sugurbekova, Elvira Nagyzbekkyzy, Ainur Sarsenova, Gaziza Danlybayeva, Sandugash Anuarbekova, Rabiga Kudaibergenova, Céline Frochot, Samir Acherar (), Yerlan Zhatkanbayev and Nazira Moldagulova
Additional contact information
Gulnar Sugurbekova: LLP «Ecostandart.kz», 23-17 Street, Astana 010000, Kazakhstan
Elvira Nagyzbekkyzy: LLP «Ecostandart.kz», 23-17 Street, Astana 010000, Kazakhstan
Ainur Sarsenova: LLP «National Production Center for Ecological and Industrial Biotechnology», 27 Bokeikhan Street, Astana 010000, Kazakhstan
Gaziza Danlybayeva: LLP «National Production Center for Ecological and Industrial Biotechnology», 27 Bokeikhan Street, Astana 010000, Kazakhstan
Sandugash Anuarbekova: LLP «Ecostandart.kz», 23-17 Street, Astana 010000, Kazakhstan
Rabiga Kudaibergenova: Department of Chemistry and Chemical Technology, Faculty of Technology, Taraz Regional University Named after M.Kh. Dulati, 60 Tole Bi Street, Taraz 080000, Kazakhstan
Céline Frochot: Reactions and Chemical Engineering Laboratory (LRGP), UMR7274, Université de Lorraine-French National Scientific Research Center (CNRS), 54000 Nancy, France
Samir Acherar: Laboratory of Chemical Physics of Macromolecules (LCPM), UMR7375, Université de Lorraine-CNRS, 54000 Nancy, France
Yerlan Zhatkanbayev: LLP «Ecostandart.kz», 23-17 Street, Astana 010000, Kazakhstan
Nazira Moldagulova: LLP «Ecostandart.kz», 23-17 Street, Astana 010000, Kazakhstan

Sustainability, 2023, vol. 15, issue 7, 1-15

Abstract: One of the most pressing environmental problems worldwide is sewage sludge (SS) management. Every year, wastewater volume increases and thus, the amount of SS produced increases as well. The disposal of SS in landfills, as practiced in many countries, is not a sustainable solution. Instead, SS, rich in organic matter and other nutrients, can be used as an alternative soil additive or fertilizer. The properties of these materials depend on their chemical composition and the method of treatment. Experience from a number of countries, such as the US and Europe, has shown that SS can be transformed from a waste into a valuable resource, provided that the final product fulfils the relevant regulatory standards. This review examines the sustainable conversion of SS to sustainable fertilizers, the impact on waste minimization, and the potential benefits in agriculture.

Keywords: sewage sludge; anaerobic digestion; composting; fertilizer; agriculture (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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