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ชื่อเรื่อง

Mathematical Modelling of Groundwater Quality Measurement around a Landfill for Residential Water Usage

ผู้แต่ง

Nattawut Pongnu Nopparat Pochai

ประเภท

บทความวิจัย

Abstract

Leachate from a landfill has the potential to pollute
groundwater. Mathematical models are often used to describe
groundwater circulation, which can help planners choose suitable places for a landfill. The construction of landfills may have
an influence on the groundwater supplies of adjacent settlements. As a result, impact assessments must be completed prior
to the start of the project. This study used three mathematical
models to simulate groundwater contamination concentrations
with variable flow velocities. The first model is a groundwater
flow model that estimates the hydraulic head of groundwater
flow. The second model is used to calculate the groundwater
flow velocity. The third model is a dispersion model, in which
the governing factor is the two-dimensional dispersion equation,
which yields the groundwater pollution concentration. In the
simulation phase, we use the finite difference method for all
models. This investigation considers the effects of industrial
water usage, such as pumping water up to the surface, on
groundwater flow. This research focuses on the effects of
pumping water to adjacent settlements on groundwater flow
and the quality of the water produced. Construction of a landfill
should always be done in an area with a low hydraulic head.
Pumping wells near landfills may also assist to reduce pollution
in household groundwater. As a result, the calculated water
quality in the faraway area was improved while groundwater
volume and flow velocity were preserved.

ชื่อวารสาร

Engineering Letters

ปีที่

ฉบับที่ / เล่มที่

ปีที่พิมพ์

2022

หน้าที่

1006-1016

Website

https://www.engineeringletters.com/issues_v30/issue_3/index.html

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