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Tender Notice Type:
Tender Notice
Country :
India
Tender Category:
Transportation - Roads and highways
Description:
Transportation of coal from different incline of Saunda-D Colliery to Bhurkunda CHP,different incline of Saunda-D to Saunda D stock yard and from Saunda-D stock yard to Bhurkunda CHP.
Industry - Fire Safety and Security , Information Technology (IT) , Industry - Furniture , Telecommunications , Industry - Paper & Packaging , Industry - Printing and publishing , Healthcare and Medical , Industry - Textiles , Industry - Machinery , Industry
Description:
Supply of general office stationery, Electronic office equipment, Computer printers and photocopiers
Annual Maintenance Contract For The Work Of Replacement Of Duct Plates, Repairs By Patching/Welding Of The Coal Mill Hot & Cold Air Ducts, During Aoh/Coh/Short Shut Downs In Unit No 3,4,5 At Ntps.
Coal is a fossil fuel formed in ecosystems where plant remains were preserved by water and mud from oxidization and biodegradation, and which its chemical and physical properties have been changed as a result of geological action over time, thus sequestering atmospheric carbon. Coal is a readily combustible black or brownish-black rock. It is a sedimentary rock, but the harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. It is composed primarily of carbon and hydrogen along with small quantities of other elements, notably sulfur. Coal is extracted from the ground by coal mining, either underground mining or open pit mining (surface mining).
Coal is the largest source of fuel for the generation of electricity worldwide, as well as the largest worldwide source of carbon dioxide emissions. Carbon dioxide is a greenhouse gas and the major contributor to an increase in global average temperature and related climate changes. Gross carbon dioxide emissions from coal usage is slightly more than that from petroleum and about double the amount from natural gas.
Coal is primarily used as a solid fuel to produce electricity and heat through combustion. World coal consumption is about 6.2 billion tons annually. China produced 2.38 billion tons in 2006 and India produced about 447.3 million tons in 2006. 68.7% of China's electricity comes from coal. The USA consumes about 1.053 billion tons of coal each year, using 90% of it for generation of electricity. The world in total produced 6.19 billion tons of coal in 2006.
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