Bauxite Mining and Alumina Refining

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منابع مشابه

Bauxite Mining and Alumina Refining

OBJECTIVE To describe bauxite mining and alumina refining processes and to outline the relevant physical, chemical, biological, ergonomic, and psychosocial health risks. METHODS Review article. RESULTS The most important risks relate to noise, ergonomics, trauma, and caustic soda splashes of the skin/eyes. Other risks of note relate to fatigue, heat, and solar ultraviolet and for some opera...

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Modelling and optimization of digestion efficiency of bauxite in Bayer process: Iran Alumina company

In the present work, we investigated and optimized the digestion efficiency, A/S (Al2O3/SiO2 in red mud), and N/S (Na2O/SiO2 in red mud) of mixed bauxite in Iran Alumina Company using the Bayer process. Digestion experiments were carried out in an induction rotary autoclave on a mix of Jajarm, Yazd, Tash, and Shirin Cheshmeh baux...

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Fluoride Removal from Water by Adsorption on a High Alumina Content Bauxite

Drinking water contamination by fluoride is recognized as a major public health problem in many parts of the world. In fact, although fluoride is an essential trace element for animals and humans, excessive fluoride intake may cause adverse health effects. In this study we investigated the potential of a natural, high alumina content, bauxite for the removal of fluoride from contaminated water....

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GEZA BENKE,* MICHAEL ABRAMSON and MALCOLM SIM

We reviewed specific chemical exposures and exposure assessment methods relating to published and unpublished epidemiological studies in the alumina and primary aluminium industry. Our focus was to review limitations in the current literature and make recommendations for future research. Although some of the exposures in the smelting of aluminium have been well characterised, particularly in po...

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Recovery of Alumina from Khushab Bauxite by Leaching with Sulphuric Acid and Removal of Iron Impurity by Ethanol

Muhammad Tariq, Muhammad Mansoor Iqbal, Abdul Aziz*, Muhammad Shafiq Muhammad Sajid and Bashir Mohammad Department of Mining University of Engineering and Technology Lahore. Central Analytical Facility Division, PINSTECH, Islamabad Pakistan. Department of Construction Environment Engineering, Korea University of Science and Technology, 305-350, Daejeon, Korea. College of Chemistry, Beijing Norm...

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ژورنال

عنوان ژورنال: Journal of Occupational & Environmental Medicine

سال: 2014

ISSN: 1076-2752

DOI: 10.1097/jom.0000000000000001