Evaluation of Daphniamagna for the Ecotoxicity Assessment of Alkali Leachate from Concrete
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The cladoceran Daphniamagna has been used as an aquatic test species in aquatictoxicology. To evaluate the aquatic toxicity of leachate from concrete, the immobilization ofD. magna was observed after treatment of various concentrations of leachate specimens. Reliabilities of the culture condition and the experimental protocol for acute toxicity test weresuccessfully achieved from the standard toxicity test. The leachates were prepared from themixture of Ordinary Portland Cement (OPC) and pozzolanic admixtures, Pulverised fuel ash(PFA), Ground granulated blast furnace slag (GGBS) and GGBS containing loess. Acutetoxicity test showed 100% immobilization of D. magna for OPC or PFA. The leachates fromOPC or PFA had high pH 10 to 12. However, GGBS and GGBS containing loess showedless toxicity according to the concentrations. Especially, immobilization was not observed atthe concentrations below 12.5% of GGBS containing loess. Also the range of pH for thesespecimens was 8 to 9. This suggested that the use of loess as the admixture in concretemay be useful to reduce eco-toxicity of leachates from concrete. This our study provided theharmfulness of the alkali leaching from concrete in aquatic environment and the usefulness ofD. magna to evaluate the toxicity of leachates from concrete.
Abstract
The cladoceran Daphniamagna has been used as an aquatic test species in aquatictoxicology. To evaluate the aquatic toxicity of leachate from concrete, the immobilization ofD. magna was observed after treatment of various concentrations of leachate specimens. Reliabilities of the culture condition and the experimental protocol for acute toxicity test weresuccessfully achieved from the standard toxicity test. The leachates were prepared from themixture of Ordinary Portland Cement (OPC) and pozzolanic admixtures, Pulverised fuel ash(PFA), Ground granulated blast furnace slag (GGBS) and GGBS containing loess. Acutetoxicity test showed 100% immobilization of D. magna for OPC or PFA. The leachates fromOPC or PFA had high pH 10 to 12. However, GGBS and GGBS containing loess showedless toxicity according to the concentrations. Especially, immobilization was not observed atthe concentrations below 12.5% of GGBS containing loess. Also the range of pH for thesespecimens was 8 to 9. This suggested that the use of loess as the admixture in concretemay be useful to reduce eco-toxicity of leachates from concrete. This our study provided theharmfulness of the alkali leaching from concrete in aquatic environment and the usefulness ofD. magna to evaluate the toxicity of leachates from concrete.
참고문헌 (19)
- ASTM, "American Society for Testing and Materials. Standard guide for conducting renewal life-cycle toxicity tests with D. magna. Annual book of ASTM standards, vol. E 1193", pp.765~781 (1987), ASTM
- Brunori C, "Comparison between different leaching tests for the evaluation of metal release from fly ash", Fresenius J Anal Chem, 371, pp.843~848 (2001)
- Cyr M, "Use of metakaolin to stabilize sewage sludge ash and municipal solid waste incineration fly ash in cement-based materials", J Hazard Mater, 243, pp.193~203 (2012)
- Dell'Orso M, "Evaluation of the leachability of heavy metals from cement-based materials", J Hazard Mater, 15, pp.227~228 (2012)
- EEC, "EEC Directive 92", 69, pp.1992, ~
- Finney DJ, "Probit analysis", pp.33~ (1971), Cambridge University Press
- Gallego-Perez D, "Portland cement for bone tissue engineering: Effects of processing and metakaolin blends", J Biomed Mater Res B ApplBiomater, 98B, pp.308~315 (2011)
- "Korea Environment Corporation. Whole effluent toxicity management system"[URL]
- 김순철, "황토의 역학적 특성에 관한 실험적 연구", KIEAE Journal, 7(3), pp.89~96 (2007), 한국생태환경건축학회
- Lau BM, "Metakaolin as a radon retardant from concrete", Radiat Prot Dosimetry, 103, pp.273~276 (2003)
- Martins J, "Assays with Daphnia magna and Danio rerio as alert systems in aquatic toxicology", Environ Int, 33, pp.414~425 (2007)
- Mohamed AM, "Solidification of cement kiln dust using sulfur binder", J Hazard Mater, 192, pp.576~584 (2011)
- Napia C, "Leaching of heavy metals from solidified waste using Portland cement and zeolite as a binder", Waste Manag, 32, pp.1459~1467 (2012)
- OECD, "OECD guidelines for testing of chemicals. Section 2. Guideline 202. Daphnia sp. acute immobilisation test and reproduction test", Organisation for Economic Co-operation and Development, ~ (1992)
- Ra JS, "Comparative whole effluent toxicity assessment of wastewater treatment plant effluents using Daphnia magna", Bull Environ Contam Toxicol, 80, pp.196~200 (2008)
- Sandbacka M, "The acute toxicity of surfactants on fish cells, D. magna and fish— a comparative study", Toxicol Vitro, 14, pp.61~68 (2000)
- Slabbert JL, "Biological assays for aquatic toxicity testing", Water Sci Technol, 39, pp.367~373 (1999)
- Van Gerven T, "Effects of carbonation and leaching on porosity in cement-bound waste", Waste Manag, 27, pp.977~985 (2007)
- Versteeg DJ, "Ceriodaphnia and daphnia: a comparison of their sensitivity to xenobiotics and utility as a test species", Chemosphere, 34, pp.869~892 (1997)