Because of the high concentration of heavy metals in the sediment sludge produced from industrial wastewater treatment, direct disposal of this sludge in landfill sites will cause serious soil and groundwater pollution.
BS Reporter / Mumbai July 04, 2008, 0:16 IST The global copper mine production will grow at an average rate of 5.2 per cent per annum to reach 23 million tonne (MT) in 2012, says an inter-governmental forum. South American and African countries will account for more than 42 per cent per annum of the mine capacity increase in next four years, according to data released by Portugal-based International Copper Study Group (ICSG).
Hyderabad, June 24: It's seems that Andhra Pradesh is in a treasure hunt with more than a dozen companies hunting for diamond, gold and other precious stones and metals in the state. Among the renowned companies are De Beers India, Geo Mysore, Adi Gold Mining, Deccan Gold Mining, Amil Mining, CRA, Anglo American Exploration, NMDC, Ramgadh Mining and Navarathna Minerals.
Eurasian Natural Resources Corp, the Kazakh mining group, is set to make a dramatic entry into the top third of the FTSE 100 this week, just three months after it listed in London, in spite of having
Heavy metals in the atmosphere may travel over large distances before being re-deposited on land. One effective way of monitoring how deposition changes with time is to measure concentrations in moss. A bio-monitoring network coordinated by the United Nations Economic Commission for Europe (UNECE) provides data on the concentration of 10 heavy metals in mosses from about 7,000 sites across Europe. March 2008
People have always been proficient at making trash. Future archaeologists will note that at the tail end of the 20th century, a new, noxious kind of clutter exploded across the landscape: the digital detritus that has come to be called e-waste. More than 40 years ago, Gordon Moore, co-founder of the computer-chip maker Intel, observed that computer processing power roughly doubles every two years. An unstated corollary to "Moore's law" is that at any given time, all the machines considered state-of-the-art are simultaneously on the verge of obsolescence.
Vedanta Resources plc is a London listed FTSE 100 diversified metals and mining group. Its principal operations are located throughout India, with further operations in Zambia and Australia. Vedanta produces aluminium, copper, zinc and lead and iron ore. It also has interests in commercial energy and is in the process of setting up a 2,400MW independent power plant.
IT IS a short drive from the village of Newhalen, on the shore of Lake Iliamna in south-western Alaska, to Nondalton, about 15 miles (24km) away. At least, it would be short if there was a road. Instead, supplies to the settlement have to be flown in or ferried upriver. Like much of the state, this area
