Open Access. Powered by Scholars. Published by Universities.®

Engineering Commons

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 14 of 14

Full-Text Articles in Engineering

Decisive Battles In Levant, Fathi Habashi Dec 2015

Decisive Battles In Levant, Fathi Habashi

Fathi Habashi

The Levant has been a battle ground since ancient times. The Battle of Kadesh took place in 1274 BC showed the supremacy of iron in war, in the Battle of Yarmouk in 636 AD the Arabs entered the Middle East, in Hittin in 1187 Saladin defeated the Crusaders, in Ein Jalut in 1260 Baibars saved Egypt from destruction by the Mongol, in Marj Dabiq in 1516 the Ottomans opened the way to occupy Egypt and the Middle East, while in World War I General Allenby of the British Empire entered Jerusalem in 1917 thus marking the beginning of the end …


Iron Pigments Through The Ages, Fathi Habashi Aug 2015

Iron Pigments Through The Ages, Fathi Habashi

Fathi Habashi

Naturally occurring iron oxides were used since ancient times as ochre yellow and red pigments. It was only in the 18th century that artificially prepared Prussian blue was discovered. This discovery opened up a new field of chemistry - - cyano compounds.


Hydrometallurgy In The Past Decades. A Personal View, Fathi Habashi Aug 2015

Hydrometallurgy In The Past Decades. A Personal View, Fathi Habashi

Fathi Habashi

In the 1940s hydromtallurgy benefitted a great deal from Manhattan Project in USA, then in the 1950s a new technology was introduced by Sherritt-Gordon Mines in association with the Mines Branch in Ottawa to treat ores with ammonia under pressure and to precipitate metals from solution by hydrogen under pressure. Since then hydrometallurgy has made great progress as evidenced by the number of conferences held to discuss this topic. A personal view of these developments with those involved is given.


Hydrometallurgy. A Personal View. Interview, Fathi Habashi Aug 2015

Hydrometallurgy. A Personal View. Interview, Fathi Habashi

Fathi Habashi

INTERVIEW OF FATHI HABASHI, by William McRae, Oral Historian, Canada Science and Technology Museums Corporation, Ottawa, (613) 793-2416, wmcrae@technomuses.ca August 25, 2015 at 10:00 am, Fairmont Hotel, Toronto


Metallurgical Chemistry, Fathi Habashi Aug 2015

Metallurgical Chemistry, Fathi Habashi

Fathi Habashi

Metallurgical chemistry is the most ancient science of chemistry. It is related to the recovery of metals from ores and their refining. In its modern form, it involves separation of finely ground minerals by flotation, melting of ores, aqueous processing of ores, and the application of electric current to separate and purify metals from aqueous solution or from a fused salt. Metallurgical chemistry is closely related to the chemical industry.


Hydrometallurgy Of Phosphate Rock And The Recovery Of Uranium, Fathi Habashi Aug 2015

Hydrometallurgy Of Phosphate Rock And The Recovery Of Uranium, Fathi Habashi

Fathi Habashi

Phosphate rock of sedimentary origin contains on the average 0.01 % uranium. Since large tonnage of this rock is used annually to produce fertilizers, this represented an important potential source of uranium. Before the discovery of rich uranium deposits this source was developed on industrial scale. The production of phosphoric acid by sulfuric acid process is at present facing the problem of disposal of gypsum; about 1.5 tons of gypsum is produced per ton of rock processed. This material contains all the radium originally present in the rock which results from the radioactive decay of uranium. As a result, phospho-gypsum …


A Short History Of Uranium, Fathi Habashi Jul 2015

A Short History Of Uranium, Fathi Habashi

Fathi Habashi

Uranium was discovered in 1781 by Klaproth, a pharmacist in Berlin, from the black mineral pitchblende found in Joachimsthal silver mines. Peligot in France in 1841 proved that what Klaproth isolated from pichblende was uranium oxide and not the metal. Uranium salts were used at that time to manufacture coloured glass before the discovery of its radioactivity in 1896. It became in great demand when its decay product radium was found to cure cancer. The discovery if uranium fission in 1939 was the reason for the manufacture of the first atomic bomb.


Mining And Civilization, Fathi Habashi Jul 2015

Mining And Civilization, Fathi Habashi

Fathi Habashi

Ancient ruins or an ancient stone statue recalls the work of miners who brought the material from a quarry so that the sculptor can create a work of art. Carving of massive stone blocks and piercing tunnels in mountains are arts in which the same tools of mining are used and mining engineers are involved. Studying history of mining necessitates also the study of archaeology, art, architecture, and world history in general since it is the history of civilization. The pyramids of Egypt, the gold of Tut Ankh Amoun, the Coloseum in Rome, the Taj Mahal in Agra, and the …


Sir Walter Raleigh And Tar Sands, Fathi Habashi Jul 2015

Sir Walter Raleigh And Tar Sands, Fathi Habashi

Fathi Habashi

Petroleum is sometimes ejected from underground to form lakes contaminated with rocks. The volatile components evaporate with time leaving behind a solid mixture known as asphalt or tar sands. Lake Asphalt in Trinidad contains about 40% bitumen. Sir Walter Raleigh (ca 1554 –1618) sailed to Trinidad in search of El Dorado but he discovered the lake instead.


Movement Of Scientists And The Production Of Aluminum, Fathi Habashi May 2015

Movement Of Scientists And The Production Of Aluminum, Fathi Habashi

Fathi Habashi

Travelling scientists certainly have contributed to advancing knowledge by communicating their observations to others. Famous professors attract students from different countries to study in their institutions and the interaction among these students is of immense importance in the diffusion of knowledge. The invention of a process for the production of aluminum is an example.


Story Of Metals, Fathi Habashi May 2015

Story Of Metals, Fathi Habashi

Fathi Habashi

Metals are not arranged according the Periodic Table or alphabetically but are arranged according to their discovery. There are two introductory chapters on metals and their history: Part 1. Metals Part 2. History of Metals and Metallurgy Part 3. Ancient Metals Part 4. Metalloids of the Alchemists Part 5. Metals from South America Part 6. Metals from the East Part 7. Eighteenth Century Metals Part 8. Metals of the Nineteenth Century Part 9. Twenty century metals The book is illustrated by many Figures mostly in color, biographies of many chemists and metallurgists, and many flowsheets of processes.


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


De Re Metallica. A Metallurgist On The Move, Fathi Habashi Feb 2015

De Re Metallica. A Metallurgist On The Move, Fathi Habashi

Fathi Habashi

De Re Metallica is a diary of the trips the author has undertaken during his professional career. He visited many industries, universities, research centers, and museums, and participated in many conferences. The book in 5 520 pages and many coloured photos therefore reflects the state of extractive metallurgy since he left his home country Egypt and went to study in Vienna then emigrated to Canada.


Joseph William Mellor (1869-1938) - - A Pioneer Ceramicist, Fathi Habashi Jan 2015

Joseph William Mellor (1869-1938) - - A Pioneer Ceramicist, Fathi Habashi

Fathi Habashi

Mellor is known to chemists as the author of the monumental work on General and Inorganic Chemistry but he is also a pioneer ceramicist. It was under his direction in 1920 that the British Refractories Research Association was formed which eventually became in 1948 the British Ceramic Research Association. Mellor spent most of his professional career at Stoke-on-Trent working on pottery.