A nutrient injection scheme for in situ bio-remediation

C. H. Lin, Tom Ming-Ching Kuo, C. Y. Su, K. F. Liang, Y. L. Han

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

Geological layers often have different hydraulic conductivities. This paper presents an innovative design for delivering aqueous substrates and nutrients to various stratified layers at desired rates during in-situ bio-stimulation. The new delivery system consists of intermittent porous tubes connected in series with impermeable polyethylene tubes that run horizontally in each stratified layer of a contaminated aquifer. Results of the tracer test indicated that the distribution of tritium through each porous tube was fairly uniform. A mathematical model was also developed to calculate the distribution of water flow through each porous tube. By controlling the permeability and the length of porous tubes placed in stratified layers, the new design provides a means to selectively deliver nutrients to various layers at desired rates according to aquifer heterogeneity.

原文English
頁(從 - 到)280-288
頁數9
期刊Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
47
發行號2
DOIs
出版狀態Published - 2012 一月 15

All Science Journal Classification (ASJC) codes

  • 環境工程

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