Treatment Of Roadway Drainage By Sub-base Course Specimen Prepared
With Charcoal Derived From Waste Wood
Author(s)
Y. Kanjo, N. Yurugi & M. Yamada
Abstract
Treatment of roadway drainage by sub-base
course specimen prepared with charcoal
derived from waste wood
Y. Kanjo, N. Yurugi & M. Yamada
Osaka City University, Japan.
Abstract
In order to prevent the flood in urban areas and to recharge the ground water,
road pavement changes to porous asphalt pavement which give the function to
permeate the rain water to the underground. But roadway drainage would cause
the ground water pollution because it contains various kinds of pollutants such as
heavy metals and poly-aromatic hydrocarbons(PAHs). In this study, we made
sub-base course specimens with the various contents of the charcoals derived
from waste wood, and evaluated the treatability of these specimens with the
washing solution on the road surface of highway, which were seemed to contain
almost the same pollutants with roadway drainage. Judging from these
experiments, the washing solution contained high concentrations of suspended
solids, PAHs and heavy metals. The result of the adsorption isothe
Keywords
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