NATO/CCMS Pilot Study Evaluation of Demonstrated and ... - CLU-IN

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NATO/CCMS Pilot Project on Contaminated Land and Groundwater (Phase III) January 2002 16. Rijnaarts, H.H.M. (1998) Application of biowalls/bioscreens. NATO-CCMS Pilot Project on Contaminated Land and Groundwater (Phase III), annual report no. 228, EPA/542/R-98/002, p. 19 - 20. 17. Rijnaarts, H.H.M. (1998) Bioprocesses in treatment walls. NATO-CCMS Pilot Study on Contaminated Land and Groundwater (Phase III), Special session Treatment walls and Permeable Reactive Barriers, report no. 229, EPA/542/R-98/003, p. 44 - 47. 18. Schippers, B. P. A., Bosma, T.N.P., Van den Berg, J.H., Te Stroet, C.B.M., Van Liere, H.C., Schipper, L., & Praamstra, T.F. (1998) Intrinsic bioremediation and bioscreens at dry cleaning sites contaminated with chlorinated solvents. (In Dutch, with English abstract). CUR-NOBIS, Gouda, The Netherlands, NOBIS-report project no. 96-2-01 19. Van Aalst-van Leeuwen, M. A., Brinkman, J., Keuning, S., Nipshagen, A.A.M., & Rijnaarts, H.H.M. (1997) Degradation of perchloroethene and trichloroethene under sequential redox conditions Phase 1, partial results 2-6: Field characterisation and laboratory studies. (In Dutch, with English abstract) CUR-NOBIS, Gouda, The Netherlands, Nobis report project no. 95-1-41 20. Van Eekert, M.H.A., Staps J.J.M., Monincx J.F., Rijnaarts H.H.M. (1999) Bitterfeld: Bioremediation of contaminated aquifers. Partial report 1 of the TNO-NOBIS participation in the SAFIRA project, Bitterfeld, Germany. TNO-MEP Apeldoorn, The Netherlands, Report no. TNO-MEP-R99/106, pp 43. 21. van Heiningen, E., Nipshagen, A.A.M., Griffioen, J., Veltkamp, A.G., Rijnaarts, H.H.M. 1999, in press. Intrinsic and enhanced Biodegradation of Benzene in strongly reduced aquifers. Presented at the In situ and on-site Bioremediation, The fifth international symposium, San Diego, april 19-22, 1999. 22. Van Liere, H. C., Van Aalst-van Leeuwen, M.A., Pijls, C.G.J.M., Van Eekert, M.H.A., & Rijnaarts, H.H.M. (1998) In situ biodegradation of hexachlorocyclohexane (HCH). 5th International HCH and Pesticides Forum IHOBE, 25-27 June 1998, LEIOA. 31
NATO/CCMS Pilot Project on Contaminated Land and Groundwater (Phase III) January 2002 Project No. 6 Rehabilitation of a Site Contaminated by PAH Using Bio-Slurry Technique Location Former railroad unloading area, Northern Sweden Technical Contact Erik Backlund Eko Tec AB Näsuddsvägen 1o 93221 Skelleftehamn Sweden Tel: +46/910-33366 Fax: +46/910-33375 E-mail: erik.backlund@ebox.tninet.se Project Status Interim Project Dates Accepted 1996 Final Report 2001 Costs Documented? No 32 Contaminants Coal tars, phenols, cyanides, metals, ammonium compounds Media Soil Information in this project summary is current as of May 1998. 1. INTRODUCTION Project Size Full-scale (3,000 tons) Technology Type Ex situ bioremediation Results Available? Yes Eko Tec AB is a Swedish environmental engineering company dealing with problems posed by hazardous wastes, soil, and water pollution. Main clients are the oil industry, Swedish National Oil Stockpile Agency, and the Swedish State Railways. In 1995, Eko Tec was contracted for bioslurry remediation of approximately 3,000 tons of creosotecontaminated soil and ditch sediments from a railway station area in the northern part of Sweden. A clean-up criterion of 50 ppm total-PAH was decided by the environmental authorities. For the specific PAH compounds benzo(a)pyrene and benzo(a)anthracene, a cleanup criterion of 10 ppm was decided. Full-scale treatment has been preceded by bench- and pilot-scale treatability studies carried out at the Eko Tec treatment plant in Skelleftehamn, Sweden. 2. SITE DESCRIPTION Not available 3. DESCRIPTION OF THE PROCESSS 3.1 Pretreatment The contaminated soil was initially treated to reduce volume. Stones and boulders were separated from the rest of the soil. In the next step, the soil was screened in a 10 mm sieve. Soil with a grain size less than 10 mm was mixed with water and later pumped to wet-screening equipment, in which particles >2 mm were separated from the process. The remaining soil fraction (
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NATO/CCMS Pilot Study Evaluation of Demonstrated and ... - CLU-IN

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