Immobiliation of Earthworm Casts to Treat the Waste Sludge Produced from Pulp & Paper Plants as a Biocarrier 


Vol. 8,  No. 3, pp. 167-172, Sep.  2002


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  Abstract

The adaptability of earthworm casts produced form the waste sludge of pulp and paper plants for a bicarrier used in the advanced wastewater treatment was investigated. Removal efficiencies of nutrients in the activated sludge technology without carrier were compared with those treated with carrieer made of casts under the different conditions such as the composition of the input and kinds of carrier. When the waste water was treated in the activated sludge technology without carriers, removal efficiencies of T-P and T-N were average values of 31% and 52%, respectively. On the contrary, pellet type carrier and pack type carrier increased the removal efficiencies of T-P and T-N by 1.3~1.4 and 1.9~2.0 times, resectively. At the same time, the high removal of T-P and T-N were observed irrespective of the types of carrier in which mahy kinds jof microorganisms were grown. The difference in the removal efficiencies of BOD and COD between the treatment with and without carrier was negligible. According to this research, the carrier made of casts was thought to be highly applicable in the advanced wastewater treatment.

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  Cite this article

[IEEE Style]

C. WS, L. EY, C. NH, "Immobiliation of Earthworm Casts to Treat the Waste Sludge Produced from Pulp & Paper Plants as a Biocarrier," Clean Technology, vol. 8, no. 3, pp. 167-172, 2002. DOI: .

[ACM Style]

Cho WS, Lee EY, and Cho NH. 2002. Immobiliation of Earthworm Casts to Treat the Waste Sludge Produced from Pulp & Paper Plants as a Biocarrier. Clean Technology, 8, 3, (2002), 167-172. DOI: .

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한국연구재단 등재학술지