Disintegration of sludge by a two-stage treatment with hydrogen peroxide and solid-state fermentation by Aspergillus oryzae CGMCC5992

• Autorzy: Guan G. , Zhicai Z. , Jun J. , Fan F. , Keping C.

Identyfikatory

DOI

10.5277/epe160304

• Języki publikacji: EN

Abstrakty

EN

A novel and safe method has been reported for wastewater sludge treatment, the first step of which is H₂O₂ pretreatment at 150 cm³kg for 80 min. In this step, the majority of organic substrate was degraded, and the shear stress diminished significantly. In the second step, Aspergillus oryzae further decomposed the organic substrate of sludge for 8 days, and the activities of manganese peroxidase and lignin peroxidase kept increasing. By the methods, the residual chemical oxygen demand (COD) in the sludge was much lower than that in the sludge treated with high doses of H₂O₂. These results indicate that the present study provides a feasible method to safely dispose sludge from the wastewater treatment plant.

Słowa kluczowe

EN

Aspergillus oryzae CGMCC5992; fermentation; lignin peroxidase; manganese peroxidase; solid state fermentation; wastewater sludge; wastewater treatment plants

PL

Aspergillus oryzae CGMCC5992; lignina peroksydazy; mangan peroksydazy; podłoże organiczne; fermentacja w stanie stałym; osady ściekowe; oczyszczalnie ścieków

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2016
• Tom: Vol. 42, nr 3
• Strony: 43--54
• Opis fizyczny: Bibliogr. 23 poz., tab., rys.

Twórcy

autor

Guan G.

• School of Food Science and Biotechnology, Jiangsu University, Zhenjiang 212013, P.R. China

autor

Zhicai Z.

• School of Food Science and Biotechnology, Jiangsu University, Zhenjiang 212013, P.R. China
• Beijing Green Technology and Natural Biotechnology Co., Ltd., Beijing 102300, P.R. China

autor

Jun J.

• Jiangsu Polytechnic College Agriculture and Forestry, Jurong 211121, P.R. China

autor

Fan F.

• Institute of Life Sciences, Jiangsu University, Zhenjiang 212013, P.R. China.

autor

Keping C.

• Institute of Life Sciences, Jiangsu University, Zhenjiang 212013, P.R. China.

Bibliografia

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