废石堆的微粒物质及噪音影响研究

K. J. Bansah
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引用次数: 0

摘要

Adansi黄金有限公司在加纳Amansie西区的Nkran发现了一个经济上可行的金矿。该矿床的开采需要在Nkran和Koninase社区附近的拟议废石堆中处置废石材料。由于垃圾场的作业活动不可避免地会排放微粒和噪音,因此有必要进行微粒和噪音影响研究。研究了拟建的Nkran废石堆的颗粒和噪声对Koninase和Nkran社区的潜在影响。在14天的时间里,在社区的各个监测点收集了基准TSP、PM10和噪音数据。由于这段时间的特点是天气干燥,总悬浮粒子(主要是由道路引起的)普遍高于允许水平。可吸入颗粒物(PM10)和噪音水平在可接受范围内。空气质素模拟的结果显示,在科宁酶和Nkran的建筑物使用者可能不会受到废物堆排放的微粒的影响。然而,声压级模拟表明,废石堆有可能改变Koninase和Nkran的背景噪音水平。因此,在其他建议的策略中,进行特定地点的引导以提高意识,使用噪音屏障或绿色缓冲(植被)将控制环境噪音水平。关键词:颗粒物;噪声;空气污染
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Particulate Matter and Noise Impact Studies of Waste Rock Dump
Adansi Gold Company Limited identified an economically viable gold deposit at Nkran in the Amansie West District of Ghana. Mining of this deposit requires the disposal of waste rock materials at a proposed waste rock dump near Nkran and Koninase communities. Since particulates and noise emissions from the operational activities at the dump are inevitable, it becomes necessary to conduct particulates and noise impact studies. The potential impact of particulates and noise from the proposed Nkran waste rock dump on the Koninase and Nkran communities were studied. Baseline TSP, PM10 and noise data were collected over a period of 14 days at the various monitoring locations in the communities. Since the period was characterised by dry weather conditions, TSP (mainly road-induced) were generally higher than permissible levels. PM10 and noise levels compared well with acceptable limits. Results of air quality modelling suggest that occupiers of building structures at Koninase and Nkran may not be affected by particulate emission from the waste dump. However, sound pressure level modelling indicates that the waste rock dump has a potential to alter background noise levels at Koninase and Nkran. Thus, conducting site-specific induction to raise awareness, use of noise bund or green buffers (vegetation) among other recommended strategies would control ambient noise levels. Keywords : Particulates, Noise, Air Pollution, Mining, Waste dump
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