cleaner tailings
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environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… … Wikipedia
Gold cyanidation — (also known as the cyanide process or the MacArthur Forrest process) is a metallurgical technique for extracting gold from low grade ore by converting the gold to a water soluble coordination complex. It is the most commonly used process for gold … Wikipedia
Mineral industry of Africa — The mineral industry of Africa is one of the largest mineral industries in the world. Africa is the second biggest continent, with 30 million km² of land, which implies large quantities of resources. For many African countries, mineral… … Wikipedia
Copper extraction techniques — This article is about historical production methods. For modern methods, see Flash smelting. The Chino open pit copper mine in New Mexico … Wikipedia
Gold mining — Gold mine redirects here. See Goldmine for other uses of the term. Gold mining consists of the processes and techniques employed in the removal of gold from the ground. There are several techniques by which gold may be extracted from the Earth.… … Wikipedia
Wood fuel — is wood used as fuel. The burning of wood is currently the largest use of energy derived from a solid fuel biomass. Wood fuel can be used for cooking and heating, and occasionally for fueling steam engines and steam turbines that generate… … Wikipedia
Environmental effects of coal — There are a number of adverse environmental effects of coal mining and burning.These effects include: * release of carbon dioxide and methane, both of which are greenhouse gases causing climate change and global warming according to the IPCC.… … Wikipedia
Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn … Wikipedia
pipeline — /puyp luyn /, n., v., pipelined, pipelining. n. 1. a long tubular conduit or series of pipes, often underground, with pumps and valves for flow control, used to transport crude oil, natural gas, water, etc., esp. over great distances. 2. a route … Universalium
