منابع مشابه
Application of Phytoremediation to Reduce Environmental Pollution of Copper Smelting and Refinery Factories: a Review
Copper smelting and refinery factories are the final stages of a pyrometallurgical processing chain, and they cause many environmental challenges around the world. One of the most common environmental problems of these factories is toxic emissions. These toxic gases have harmful effects on the vegetation, animal species, soils, and water resources around the factories. Phytoremediation can play...
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10.2 Historical Development In the early days of South African gold mining, the crude bullion produced had to be shipped to London for refining. The concept of a local refinery had been considered for several years before the first positive step was taken in 1909, when the Transvaal Chamber of Mines founded the Witwatersrand Co-operative Smelting Works, to treat the gold and silver bearing by-p...
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Hans Christian Oersted first heated potassium amalgam with aluminum chloride and produced tiny pieces of aluminum in 1825. This was twenty years after Sir Humphrey Davy first named the metal “aluminum.” Davy was the first to use electrolysis to produce samples of potassium, sodium, strontium, calcium, barium, magnesium and boron. He tried unsuccessfully for many years to produce aluminum by ele...
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ژورنال
عنوان ژورنال: Journal of the Mining and Metallurgical Institute of Japan
سال: 1968
ISSN: 0369-4194,2185-6729
DOI: 10.2473/shigentosozai1953.84.963_799