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Full-Text Articles in Engineering

Chemical Technology Of Ore Processing, Vladco Panayotov, Fathi Habashi, Marinela Panayotova May 2015

Chemical Technology Of Ore Processing, Vladco Panayotov, Fathi Habashi, Marinela Panayotova

Fathi Habashi

A combined effort of authors from different countries with different background. The book is in 8 chapters: 1.Introduction 2.Energy Basis of Flotation 3.Pyrometallurgy 4.Basics of Minerals Dissolution and Leaching 5.Hydrometallurgy 6.Electrometallurgy 7.Application of Methods of Extractive Metallurgy to Different Ores 8.Environment Pollution Problems in the Mineral Processing Industry


History Of Innovation In Extractive Metallurgy, Fathi Habashi Feb 2014

History Of Innovation In Extractive Metallurgy, Fathi Habashi

Fathi Habashi

People learned melting of ores to get metals since ancient times but the use of aqueous solutions for this purpose was introduced relatively recently in the Middle Ages. The most recent technology, however, came when electric current became available on commercial scale towards the middle of the nineteenth century. The present article records in general terms the development in pyro- , hydro-, and electrometallurgy


Hydrometallurgy Over The Years (Geçmişten Günümüze Hidrometalurji), Fathi Habashi Jan 2014

Hydrometallurgy Over The Years (Geçmişten Günümüze Hidrometalurji), Fathi Habashi

Fathi Habashi

Binlerce yıl önce insanlar, nasıl fırın yapacaklarını, ayaçları eritmek için ateşi nasıl kullanacaklarını ve metalleri nasıl üreteceklerini öğrenmelerine rağmen, cevherlerin zenginleştirilmesinde çözeltilerin kullanımı, asit ve bazların öğrenilip kullanıldığı simyacılar dönemine rastlamaktadır. Bununla birlikte modern hidrometalurjinin başlangıcı, iki önemli prosesin keşfedildiği 19. yüzyılın sonlarına dayandırılabilir. Bu prosesler, altın ve gümüşün çözündürülmesi için siyanür liç prosesi ve boksit cevherlerinin değerlendirilmesi için geliştirilen Bayer prosesidir. Daha sonra, 1940’larda, uranyum zenginleştirilmesi ile ilgili olarak Manhattan Projesi (ABD) bir dönüm noktası olmuştur. O tarihten itibaren, hidrometalurji giderek ilerlemekte ve hatta bazı pirometalurjik proseslerin yerinialmaktadır. Bu süreçte Kanada’nın, özellikle uranyum, nikel, kobalt ve çinko kazanımı ile …


Geçmişten Günümüze Hidrometalurji Hydrometallurgy Over The Years*, Fathi Habashi Jan 2014

Geçmişten Günümüze Hidrometalurji Hydrometallurgy Over The Years*, Fathi Habashi

Fathi Habashi

Thousands of years ago people had learned how to build furnaces and use fire to melt rocks and produce metals but the use of aqueous solutions for ore processing came much later, mainly at the time of the alchemists when acids and alkalies became known and used. Modern hydrometallurgy, however, can be traced back to the end of the 19th century when two major operations were discovered: the cyanidation process for gold and silver extraction and the Bayer process for bauxite treatment. Later, in the 1940s, a breakthrough came during the Manhattan Project in USA in connection with uranium extraction. …


Metallurgical Chemistry, Fathi Habashi Apr 2007

Metallurgical Chemistry, Fathi Habashi

Fathi Habashi

This 5-hours ACS Audio Course is composed of the reference manual and a CD. It gives a brief history of the development of metal extraction technology, discusses the metal and mineral industries, and physical and physicochemical methods of enriching ores. Various methods of recovering metals from ore: hydro-, pyro-, and electrometallurgy are thoroughly detailed. The course also covers the theory of metallurgical reactions, and reviews pollution problems in the metallurgical industry. In addition, a comprehensive literature guide and a set of problems and solutions are included. Metallurgical Chemistry will serve as a review for mining, metallurgical, and chemical engineers, as …


Hidrometalurjide Yeni, Fathi Habashi Jan 1979

Hidrometalurjide Yeni, Fathi Habashi

Fathi Habashi

Turkish translation of F. Habashi, “Recent Advances in Hydrometallurgy,” Proceedings International Mineral Processing Congress, Warsaw, 1979, edited by J. Laskowski, published by Elsevier, pp. 902–935