Paper Title:
Remediation of Groundwater Contaminated by BTEX Using a Biological Barrier
  Abstract

In this study, a biological permeable reactive barrier system was designed to evaluate the remediation effectiveness of BTEX-contaminated groundwater. The biological barrier using immobilized bio-beads encapsulated with calcium alginate and activated carbon fiber as microbial carrier is able to biodegrade BTEX entering the barrier system. A laboratory-scale experiment using one continuous up-flow stainless steel column was then performed to evaluate the feasibility of this designed system. The second column was filled with bio-beads immobilizing BTEX-degrading microbial consortium. Simulated BTEX-contaminated groundwater, in which dissolved oxygen (DO) content was saturated, was pumped into this system at a flow rate of 0.07ml/min. Samples from the column were analyzed for BTEX and effluent DO. Results showed that BTEX could be well removed in this biological barrier.

  Info
Periodical
Edited by
Jinsheng Liang and Lijuan Wang
Pages
254-259
DOI
10.4028/www.scientific.net/AMR.178.254
Citation
X. L. Liu, L. Zhao, S. J. Liu, C. Y. Cui, "Remediation of Groundwater Contaminated by BTEX Using a Biological Barrier", Advanced Materials Research, Vol. 178, pp. 254-259, 2011
Online since
December 2010
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