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Because of geological incongruities of reserves, planning and operations of mines are different in each case. A research study was done from IIT(ISM) Dhanbad for developing computerized method studies for better performance and monitoring of a coal company. The research has also developed models for cost-benefit analysis of improved systems of mining operations on ground realities and database creation. The researchwas carried out by analyzing existing mines for developing model programsfor improvements. India has 320 billion tonnes of coal reserves and it is 7 percent of the reserve of the world. The energy consumption in India is about one-third of the world average and 60 percent of the installed capacity of energy in the country is based on thermal plants.The research has developed data-based computer methods in 14 original models; for result-oriented planning for multi-project scheduling and monitoring.Once, the techno-economics of coalmine reorganization is finalized, viz. programs run, scheduling of activities and monitoring for completion become valuable. Research conducted caused better performance and profit for the company.


Fuel ◽  
2021 ◽  
pp. 122546
Author(s):  
Ashwani Kumar Dubey ◽  
Arunkumar Samanta ◽  
Pinaki Sarkar ◽  
Vinod Kumar Saxena

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Debarun Sengupta ◽  
Deep Mukherjee

Purpose This paper studies the efficiency of Indian coal-fired thermal power plants (CTPPs) in by-production of electricity and particulates also known as Suspended Particulate Matter (SPM). Design/methodology/approach A non-radial directional distance function is optimized using data envelopment analysis to enumerate the overall inefficiency of CTPPs and its components in recent times. Further, second-stage regression analysis is conducted to identify factors that affect the inefficiency of plants. Findings The low inefficiency score for electricity generation suggests that most CTPPs operate close to the good output frontier. A high degree of emissions inefficiency is a challenge for Indian CTPPs. Ever-rising coal use inefficiency is a hindrance to control SPM emissions. The second stage regression analysis concludes that factors like ownership and capacity utilization play vital roles in determining a plant’s inefficiency level. Privately owned CTPPs have performed better in terms of technical inefficiency and emission inefficiency than plants owned by Central and State governments. Originality/value To the best of the authors’ knowledge, this study is one of the few published works that benchmark the productive and environmental performance of Indian CTPPs.


Author(s):  
Arun Minj

The importance of Coal in generation of electricity is well established. But, during the combustion of coal for generation of electricity, oxides of nitrogen (NOx) are also released. These oxides of nitrogen are pollutants which have an adverse effect on both the human life as well as the environment. Due to the increased pollution level from Coal Fired Power Plants, Ministry of Environment & Forests (MOE&F) on Dec 2015, announced stringent standards for coal based thermal power plants under the Environment Protection Act of 1986. Though various NOx control systems have been installed and functioning properly worldwide, but their provenness in the Indian scenario is yet to be established. As the coal in which the Indian power plants operates have a very different characteristics than the coal used abroad for power plants. This paper aims to address and explore the various methods and challenges in reducing the NOx emissions from Coal Fired Power Plants while firing Indigenous coal.


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