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Carbon Management
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Carbon Management
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Estimation of greenhouse gas emissions from spontaneous combustion/fire of coal in opencast mines – Indian context

تقدير انبعاثات غازات الدفيئة من الاحتراق التلقائي/حريق الفحم في مناجم القوالب المفتوحة – السياق الهندي
Authors: N.K. Mohalik; Edward Lester; I.S. Lowndes; Virendra Singh;

Estimation of greenhouse gas emissions from spontaneous combustion/fire of coal in opencast mines – Indian context

Abstract

Il existe un nombre important d'incendies de mines de charbon incontrôlés (principalement dus à la combustion spontanée du charbon), qui brûlent actuellement dans le monde entier. Ces sources de combustion spontanée émettent des gaz à effet de serre (GES). Un examen critique révèle qu'il n'existe pas de méthodes de mesure standard pour estimer les émissions de GES provenant des incendies de mines/des zones de combustion spontanée. L'objectif de ce document de recherche était d'estimer les émissions de GES provenant de la combustion spontanée des charbons dans le contexte indien. Une méthode de chambre d'échantillonnage (SC) a été utilisée avec succès pour évaluer les émissions à deux endroits du projet Enna Opencast (OCP), Jharia Coalfield (JCF), pendant 3 mois. L'étude révèle que le taux d'émission moyen cumulé mesuré pour le CO2 varie de 75,02 à 286,03 gs−1m−1 et que le CH4 varie de 41,49 à 40,34 gs−1m−1 pour les zones à basse et moyenne température. Les émissions totales de GES prévues à partir de cet incendie unique affectant les mines de JCF varient de 16,86 à 20,19 Mtyr−1.

Hay un número significativo de incendios incontrolados en las minas de carbón (principalmente debido a la combustión espontánea de carbón), que actualmente se están quemando en todo el mundo. Estas fuentes de combustión espontánea emiten gases de efecto invernadero (GEI). Una revisión crítica revela que no existen métodos de medición estándar para estimar las emisiones de GEI de las áreas de incendio/combustión espontánea de minas. El objetivo de este trabajo de investigación fue estimar las emisiones de GEI de la combustión espontánea de carbones en el contexto indio. Se utilizó con éxito un método de cámara de muestreo (SC) para evaluar las emisiones en dos ubicaciones del Enna Opencast Project (OCP), Jharia Coalfield (JCF), durante 3 meses. El estudio revela que la tasa de emisión media acumulada medida de CO2 varía de 75.02 a 286.03 gs−1m−1 y CH4 varía de 41.49 a 40.34 gs−1m−1 para zonas de baja y media temperatura. Las emisiones totales de GEI previstas de este único incendio que afecta a las minas de JCF varían de 16,86 a 20,19 Mtyr−1.

There are a significant number of uncontrolled coal mine fires (primarily due to spontaneous combustion of coal), which are currently burning all over the world. These spontaneous combustion sources emit greenhouse gases (GHGs). A critical review reveals that there are no standard measurement methods to estimate GHG emissions from mine fire/spontaneous combustion areas. The objective of this research paper was to estimate GHGs emissions from spontaneous combustion of coals in the Indian context. A sampling chamber (SC) method was successfully used to assess emissions at two locations of the Enna Opencast Project (OCP), Jharia Coalfield (JCF), for 3 months. The study reveals that measured cumulative average emission rate for CO2 varies from 75.02 to 286.03 gs−1m−1 and CH4 varies from 41.49 to 40.34 gs−1m−1 for low- and medium-temperature zones. The total GHG emissions predicted from this single fire affecting mines of JCF vary from 16.86 to 20.19 Mtyr−1.

هناك عدد كبير من حرائق مناجم الفحم غير المنضبطة (ويرجع ذلك في المقام الأول إلى الاحتراق التلقائي للفحم)، والتي تحترق حاليًا في جميع أنحاء العالم. تنبعث من مصادر الاحتراق التلقائي هذه غازات الدفيئة (GHG). تكشف المراجعة النقدية أنه لا توجد طرق قياس قياسية لتقدير انبعاثات غازات الدفيئة من مناطق حرائق المناجم/الاحتراق التلقائي. كان الهدف من هذه الورقة البحثية هو تقدير انبعاثات غازات الدفيئة الناتجة عن الاحتراق التلقائي للفحم في السياق الهندي. تم استخدام طريقة غرفة أخذ العينات (SC) بنجاح لتقييم الانبعاثات في موقعين من مشروع Enna Openencast (OCP)، Jharia Coalfield (JCF)، لمدة 3 أشهر. تكشف الدراسة أن متوسط معدل الانبعاث التراكمي المقاس لثاني أكسيد الكربون يتراوح من 75.02 إلى 286.03 جم-1 م-1 و CH4 يتراوح من 41.49 إلى 40.34 جم-1 م-1 للمناطق ذات درجات الحرارة المنخفضة والمتوسطة. يتراوح إجمالي انبعاثات غازات الدفيئة المتوقعة من هذا الحريق الفردي الذي يؤثر على مناجم JCF من 16.86 إلى 20.19 متر -1.

Country
United Kingdom
Keywords

Coal Permeability, Spontaneous combustion, Coalbed Methane Recovery and Utilization Practices, Combustion, Environmental engineering, Organic chemistry, Ocean Engineering, Mining engineering, Oceanography, Greenhouse gas, Environmental science, Impact of Climate Change on Forest Wildfires, CO2 Sequestration, Engineering, Context (archaeology), Spontaneous combustion, greenhouse gases, Jharia coalfield, opencast mines, emission estimation, Waste management, Global and Planetary Change, FOS: Environmental engineering, Coal mining, Paleontology, Geology, FOS: Earth and related environmental sciences, Chemistry, Coal, Global Emissions, Emissions, Physical Sciences, Global Methane Emissions and Impacts, Environmental Science

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
22
Top 10%
Top 10%
Top 10%
Green
gold