MUNICIPAL SEWAGE SLUDGE TREATMENT VIA METALLIC SALTS IN SUPERCRITICAL WATER

MUNICIPAL SEWAGE SLUDGE TREATMENT VIA METALLIC SALTS IN SUPERCRITICAL WATER

Effect of supercritical water oxidation of sewage slaudge was carried out in a lab-scale reactor. Experiments were implemented to investigate the effect of temperature, H2O2 dose, residence time and concentration of catalyst on oxidation of the municipal sewage sludge. The results showed that superc...

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Veröffentlicht in:Fresenius environmental bulletin 2018-04, p.2127
Hauptverfasser: Bai, Fengrong, Liu, Jinrong, Chen, Weiwei
Format: Artikel
Sprache:eng
Schlagworte:
Catalysis
Catalysts
Hydrogen peroxide
Iron sulfates
Municipal wastewater
Organic compounds
Oxidation
Salts
Sewage disposal
Sewage sludge
Sludge
Sludge treatment
Supercritical water oxidation
Temperature effects
Waste treatment
Wastewater treatment
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Zusammenfassung:Effect of supercritical water oxidation of sewage slaudge was carried out in a lab-scale reactor. Experiments were implemented to investigate the effect of temperature, H2O2 dose, residence time and concentration of catalyst on oxidation of the municipal sewage sludge. The results showed that supercritical water oxidation is effective for removing organic compounds from municipal sewage sludge. Homogenous catalyst, FeSO4 and CuSO4 addition significantly increased TOC removal. TOC removal reached 95.8% under optimum conditions.
ISSN:1018-4619
1610-2304