Ministry of Mines is in the process of formulation of a National Non-Ferrous Metals (Aluminium and Copper) Scrap Recycling Policy. Accordingly, a draft of the said policy has been prepared and is being circulated for comments from stake holders and the public at large. This policy envisages a framework to …
Collection and treatment of waste from electrical and electronic equipment (WEEE) is regulated in the European Union by the WEEE Directive. Producers are responsible for take-back and recycling of discarded equipment. Valuable materials are, however, at risk of "getting lost" in current processes. Thus, strategies to minimize losses are sought …
The potential of Vigna subterranean commonly called Bambara beans for phytoextraction of copper in a crude oil contaminated soil was investigated. The contamination levels of crude oil in the soil for this pot experiment were 2, 4, 6, 8 and 10% (w/v). Amendments were added to increase the uptake and …
The process of development of copper mine spoils has been examined taking spatial pattern of pH and organic matter as variables. Some other ecological factors like spoil physico-chemical properties, vegetation cover etc. have also been studied to understand the process of succession. A gradual increase in the content of different …
A day after dropping its pursuit of rival Anglo American PLC, mining giant Xstrata PLC will turn its focus toward projects it already has in the pipeline, rather than seek new acquisitions, its chief executive said in an interview. "Now's the time to do the building so we can start …
Efforts are underway to bring into operation the copper mine situated along the border between Okharbot and Rum VDCs in Myagdi district. The copper quarry, found during the 19th Century, had remained closed since 1984. It faced closure after copper dug out here couldn't compete with copper imported from foreign …
A foreign joint-venture company plans to invest up to $3 billion in Pakistan in a copper and gold mine, the venture's chief executive said on Tuesday. Tethyan Copper Co Ltd, a joint venture between Canada's Barrick Gold and Chile's Antofagasta Plc, one of the world's largest copper miners, has been …
Copper is a metal of choice for technologists and is an important engineering metal. It is one of the toxic metals, which causes many health hazards and harmful biochemical effects on living beings. In this review, introduction, chemistry, uses, sources, effects of copper and copper pollution and its removal from …
Companies from the emerging economies are a growing feature of the global mining industry. This document looks at who these companies are and the factors behind their growth. Discusses few challenges the emerging players will face as a result of the global economic crisis and also focuses on the development …
Two years ago, Maries Jimenez demonstrated against the proposed development of the Resolution Copper mine by Rio Tinto and BHP Billi-ton here. The mining site, nearly two kilometers above the largest known copper reserve in North America, is also adjacent to Apache Leap, a majestic jutting cliff of rocks. According …
More than 100 licences would be issued to national and international firms shortly for exploration of multi-billion dollars minerals including gold, copper, lead and coal besides precious stones in vast area in different districts of Northern Areas. Talking to this agency, Deputy Director of Mines and Minerals Department Shahjehan said …
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. Traditionally, the industrial sludge in Taiwan is first solidified and the products need to pass through the toxicity …
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 …
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, …
The Zambian government's attempt to increase earnings from its rich copper deposits by raising mineral taxes to global standards is facing stiff resistance from foreign mine owners operating in the country. In a submission to the National Assembly of Zambia on February 12, the mining firms rejected the new mining …
Static renewal bioassay renewing 50% estuarine water in 24 hours was conducted following guidelines given in APHA (1980). Acute toxic effects of heavy metals such as Hg, Cd, Zn and Cu were studied on juveniles of Metapenaeus dobsoni. (2007)
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 a free float of less than 25 per cent. ENRC shares have risen …
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 …
Amidst protests from environmental groups, the Armenian government has given the go-ahead to an open-pit copper mine in the Teghut forest. The project is considered the largest mine in the country. On January 28, the government cleared 1,570 hectares of Teghut forest for the project. The forest supports a large …
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 …
