2019
DOI: 10.37358/rc.19.10.7579
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Recovery of Treated Sludge

Abstract: This paper presents the methods for recovery of treated sludge: technological valorisation, agricultural valorization, energy recovery, gasification, pyrolysis, supercritical oxidation of water, obtaining the material for plastering, obtaining bricks. These technologies are biology-based technologies (advanced anaerobic digestion strategies and bio-drying) and heat-based technologies (gasification, pyrolysis and supercritical water processing).

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Cited by 5 publications
(2 citation statements)
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“…This sludge, when applied to agricultural soil, preserves the reserves of phosphorous minerals on which the preparation of phosphate fertilizers is based, and improves the following soil characteristics: cationic exchange capacity, physico-chemical and biological properties, aeration, water retention capacity. It is therefore considered a true "biological sewage treatment plant" [15][16][17]. The use of urban sewage sludge in agriculture can be an alternative to the growing lack of chemical fertilizers [8,18,19] and to the continuous increase in their price against the background of an energy crisis.…”
Section: Introductionmentioning
confidence: 99%
“…This sludge, when applied to agricultural soil, preserves the reserves of phosphorous minerals on which the preparation of phosphate fertilizers is based, and improves the following soil characteristics: cationic exchange capacity, physico-chemical and biological properties, aeration, water retention capacity. It is therefore considered a true "biological sewage treatment plant" [15][16][17]. The use of urban sewage sludge in agriculture can be an alternative to the growing lack of chemical fertilizers [8,18,19] and to the continuous increase in their price against the background of an energy crisis.…”
Section: Introductionmentioning
confidence: 99%
“…The fundamental principle of the economy was "resource-production-waste", in a linear direction, making a structural change necessary and vital. This change now exists as a concept and refers to the circular economy, in which waste must become a resource [1]. The sludge from the municipal water treatment process has characteristics that show that it can be used as a minor additive in the composition of cement.…”
Section: Introductionmentioning
confidence: 99%