Neyveli: India's largest lignite mine

Journal Article · Sun Jul 01 04:00:00 EDT 1979 · World Coal; (United States)

OSTI ID:5871223

Naidu, B S.D.

This integrated project, started in 1961 by the Neyveli Lignite Corporation Ltd. (a public company), now consists of an open cut mine with an ultimate capacity of 6,500,000 tons a year. The mine supplies raw fuel to a 600-megawatt power generating plant, to a briquetting and carbonizing plant with an annual capacity of 380,000 briquets, and to a fertilizer plant with an annual production of 152,000 tons of urea. It also contributes a great deal to the energy-deficient southern parts of the country situated some 800 kilometers from the nearest coalfields of Singareni. The Neyveli lignite coalfield is shown on a map. The total lignite reserves have been estimated to be 3,300,000,000 tons over an area of 470 square kilometers. The average density of the lignite is about 1.16 and its calorific value is 2450 kilocalories per kilogram. The approximate analysis of the lignite indicates: moisture 50%, ash 3%, volatile matter 25%, and fixed carbon 22%. The coal is prone to spontaneous combustion. Mining at Neyveli is hindered by underground aquifers immediately below the base of the lignite. These consist of various sands, overlain by clays, and connected through permeable sandstones to the recharge areas northeast of the coalfield. (LTN)

• OSTI ID: 5871223
• Journal Information: World Coal; (United States), Journal Name: World Coal; (United States) Vol. 5:7; ISSN WOCOD
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
012000* -- Coal
Lignite
& Peat-- Mining
ASIA
BROWN COAL
BUCKET WHEEL EXCAVATORS
CALORIFIC VALUE
CARBONACEOUS MATERIALS
COAL
COAL MINING
COAL RESERVES
COMBUSTION PROPERTIES
CONVEYORS
EARTHMOVING EQUIPMENT
ENERGY SOURCES
EQUIPMENT
FOSSIL FUELS
FUELS
GEOLOGY
HYDROLOGY
INDIA
LIGNITE
MINE DRAINING
MINING
MINING EQUIPMENT
OVERBURDEN
PLANNING
RESERVES
RESOURCES
SURFACE MINING