Ghose Mrinal K
Center of Mining Environment, Indian School of Mines, Dhanbad, 826004, India.
Environ Monit Assess. 2007 Jul;130(1-3):35-45. doi: 10.1007/s10661-006-9451-y. Epub 2007 Mar 8.
The increasing trend of opencast coal mining in India tends to release huge amounts of dust. But there is no well-defined method of estimating dust emission due to different coal mining activities. This paper examines the sources of dust emission due to coal mining activities, and focuses on the quantification of dust emission with the development and use of emission factors. Because of their site-specific nature, emission factors developed for one site may not give the correct results for another site. In the present investigation, prediction equations are utilized for the development of emission factors. For the applications of this concept, one large opencast coal project of Bharat Coking Coal Ltd. (BCCL) was investigated, and the total amount of dust emitted due to different mining activities was calculated by the utilization of emission factor data, which was estimated to be 9368.2 kg/day. This paper also focuses on the significance of this study in the field of environmental protection and likely impacts of such study. The paper concludes that once the amount of dust generation is estimated, the impact on air quality can be assessed appropriately and a proper air-pollution control strategy can be developed.
印度露天煤矿开采的增加趋势往往会释放大量粉尘。但是，由于不同的煤矿开采活动，目前尚无明确的粉尘排放估算方法。本文研究了煤矿开采活动产生粉尘排放的来源，并着重探讨了利用排放因子来量化粉尘排放。由于排放因子具有特定场地的性质，为一个场地制定的排放因子可能不适用于另一个场地。在本研究中，利用预测方程来制定排放因子。为了应用这一概念，对巴拉特焦煤有限公司（BCCL）的一个大型露天煤矿项目进行了调查，并通过利用排放因子数据计算出不同开采活动产生的粉尘总量，估计为9368.2千克/天。本文还重点阐述了本研究在环境保护领域的意义以及此类研究可能产生的影响。本文的结论是，一旦估算出粉尘产生量，就可以适当地评估其对空气质量的影响，并制定适当的空气污染控制策略。
