Analysis of Properties of Municipal Sewage Sludge and its Application: A Short Review
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Vijendra Singh Tanwar
Santosh Kumar Singh
Jitendra Kumar Sharma
Ritesh Patidar
Abstract
This paper analyses the geotechnical properties of municipal sewage sludge to assess its suitability for various engineering applications. A thorough review of research published between 2017 and 2024 focused on the physical, chemical, and mechanical characteristics of sewage sludge. The physical properties examined include particle size distribution, specific gravity, and moisture content, providing insights into its composition for potential uses. Chemical analyses identified key elements and contaminants, highlighting environmental impacts and compatibility with soil systems. Mechanical properties such as shear strength, compressibility, and consolidation behaviour were evaluated to understand the sludge’s engineering behaviour under different loading conditions.
The review underscores the importance of site-specific studies that analyse the in-situ behaviour of sewage sludge and its interactions with existing soils. Long-term monitoring has been essential for assessing settlement, stability, and environmental impacts. The findings demonstrate that a wealth of data exists to inform responsible and sustainable utilization of municipal sewage sludge in geotechnical applications, supporting waste management practices and promoting circular economy principles. By understanding these properties, engineers can make informed decisions that advocate for environmental preservation while effectively managing municipal wastewater by-products.
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This work is licensed under a Creative Commons Attribution 4.0 International License.