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Reagent Deodorization and Detoxification of Sewage Sludge with the Production of Reclamation Material

This article is devoted to the search for effective ways of neutralizing sewage sludge to obtain sludge-based reclamation material. It was necessary to solve the problems of deodorizing the sludge and fixing the mobile forms of heavy metals in its composition. The composition, effective for solving...

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Published in:Energies (Basel) 2024-03, Vol.17 (5), p.987
Main Authors: Tsybina, Anna, Wünsch, Christoph, Glushankova, Irina
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description This article is devoted to the search for effective ways of neutralizing sewage sludge to obtain sludge-based reclamation material. It was necessary to solve the problems of deodorizing the sludge and fixing the mobile forms of heavy metals in its composition. The composition, effective for solving the assigned problems, was experimentally determined; it included quicklime, sodium hypochlorite and peat. In the presence of sodium hypochlorite in the sludge-based composition, oxidation processes occur with the chemical transformation of ammonia and hydrogen sulfide into non-toxic and odorless compounds. Lime combined with peat promotes the humification of sewage sludge and the binding of heavy metals. Based on the composition that showed the best results, a technology has been developed for the chemical treatment of sewage sludge in situ to produce reclamation material.
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identifier ISSN: 1996-1073
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subjects Chemical tests and reagents
chemical treatment
deodorization
Emission standards
Emissions
Heavy metals
heavy metals immobilization
Hydrogen sulfide
Landfill
Lime
material recovery
Methods
Odors
Peat
Pollutants
Purification
Reagents
Sewage
sewage sludge
sewage sludge utilization
Sludge
Sodium hypochlorite
Water treatment
title Reagent Deodorization and Detoxification of Sewage Sludge with the Production of Reclamation Material
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