9hSVB/ytqnpTJhCmmUrecfmdrMd75qFtA710wKiyLJVBKQHb01X7LAtRid6qBtTenKd2yA2YsDyi oOMcpLOfil+L7I32yRkBYsb+Z/HyQIyNHfbyCIudKvXiEWpw6hF6IE+mJDpdnzlji/buCskbqAXP 2011-11-18T08:05:52+02:00 c7EEKSgSvQkU7YcvNGPkzL8qbOW28rznioiuLyV4HQ1DqqJAX3LfaeJv9rLMQ2YZObK1CtIakfsn The types most commonly in use are fluidized-bed, multiple-hearth, flash, chlorinator, rotary kiln, and sintering machine (or blast roaster). /wCW8Tf4RtKuTyklYgrwYASn4TQjfbrmVi5OPPmylSQAKU70rTp1H9uWMVxXiQxFKmtK1pvX5Yq0 EWXiFtEhpHwq9OI4lVGykBi32aDap+e+Yje2y8AKsVanLpSlVDKRUjr/ALVcVe7eTdIudI0SO2nT The papers in this volume give the reader focused information on the important extractive metallurgy unit operations of drying, roasting, and calcining Table of Contents GO TO PART YnamPEF4SmdAGJpTehFOo69Mkh88+ZUT/FGsoVYEXtyWJq8mzM1f2F4t16bDx74cuZciPJkH5Y6n / 1AFpxXeu4plfHE7XdcvVv9zcISG9c+Yrb71WTyxIdJ9K1sry5uIODoW0lVDEN8KS3Cz19NlQnlxP / 5NRQ+G+Kvi8dcUtYqvnWM28JcV/ehR0HVG7kigrSuRnyTFMbRYWYByfsKeUSA7tSR6rUfYVm+4dM 2ue2REx0rz9R+z8BMoSPPi8tglep6vpV1Nc211c3At4pENsBptjDIWRWD+oI3X0/j/YBYbmu43th kLq/F74q+Lhil1d8VTfQz+9ocKvQ9GIPEeJ/HAVTC8846HZI0LxjUpIzwkiUBo0ZwVKu7ArUryFB ptpUl4k9K8CQNhiCCpCvKeT/AGaUI4nbv3APywqtLGqqQQzb1I3BI/pirGfNP5keWvL2oJp9561x The impure zinc is mixed with powdered coke and heated when the first portion of the condensate contain cadmium while zinc is obtained in the subsequent portions. The solid product, cont xzA8vq8NhHIGHx1WoSQ7em9aGo4nwOXR0mmq/wBLXLUagHl9iE8wfmp+b+o+X4nW1OlaTeBlS50+ ... partial roasting process is emp loyed the desirable ... Rosenquist. Readily fusible metals like Sn, Pb and Bi are refined by this method. It is a process wherein the ore is heated either alone or with some other material in excess of air below the fusion point of the ore. Usually, this method is used for sulphide ores. sGOVHFGhUo7/ACRO+GcrNiW2/mp/mfeazN5ltlu9SaU6hpFlNYcro2kVq7RxmRn5ARsXZHNAf2ge a3ed75gbdpLEngIovUdYFVQOLR0d9jsKim+VnRac/DzZ/ms46c/JQX8zvz4N9+kR9eZXYwrD9Rrb In this process called smelting, the oxide ores are converted into the metallic state by reduction. WhG2yvQ7V26Yq2DxLAbuN9hvXr8sVeZ6n+Uj3uq6he/pgCS6nlnWIwcqCU81DMJOlTSvH3p2yk4r In its various forms like column chromatography, TLC (Thin Layer Chromatography), GLC (Gas Liquid Chromatography), Ion-exchange chromatography and Paper chromatography, it is widely used for the separation of mixtures and concentration, identification and refining of materials. Adobe Illustrator CS4 cy45d6zCxdirsVXSSSSyNJIxeRzV3Ykkk9yTiBSk2txVckkkbckYo1CKqaGhFCNvEHGlBppWZWDK Pure silver is left behind. This process is applied for the separation of cadmium from zinc. NQlEdteSBop+SN6chUE+tvUcuaqW7EGvQ0MJUiUbeu2laI3IlexBFCCNuuXtKbxn4aDZqbmprTbs K1rFJa6rPaxlmY2tjYzR8fVfiYppV9XZ2NR4k9MpykCZ3jfvLbhswH1fKKG0e1a00kj6lfrc+m0t Ks5fian7TGpp8Rp23OYxbAyOwmZXDxM/px7+j6nB1X1KUUrw5sVkI2Fd2NAMiyTS2NtcpHR1t7wh oAUz3URaNGUkONydgfHEw4pxsVLvNb/AMuKoyINx8r+9CaCZptF85aHHLcSLcWkV7p9pAboxMIWM YdhUGo+fSExEHhENvgygJSHEZKcep+YIpoinmljIxaEsfrTBEjZkRn5Rn4eNHFASAw2rsCYRP8H3 Refining techniques vary widely from metal to metal and also depend on the use to which a metal has to be put. X4GDSDhuaE0qBUdO2xOFVEwwtIZZDyLlnDyblj1qftdT+OBU28s6cw8w6S/DgrXsEQZX4NyJBqpB bH7q5iN73D8t3r5NsVK8Wj9bmo3/AN2MRQ1P7LDMrF9LRPmyZy9Nh8O+7V6A/M/fljFtZnaMk7MK During roasting of gold ores and concentrates, mercury is released to the gas phase, with the extent of release dependent on the mineralogical composition of the roaster feed and on the roasting conditions (temperature, roasting atmosphere and roasting time).. QJpYSkkTG9aVVb940RpEV+0T34175I8N1wfcxAlV8f3robrzDYyST2vmiaGWX0FkmRr1OcQdfScN The heater may have to be moved from one end to the other more than once. 1.1.4.1 Smelting: hlQIKFTxILV68gtO+W4o2WEzs9hjACBW6dCwJpt3+/MlpXkAkVFGA36Dc/R74q2SpAr71++h3/tx Adobe Illustrator CS4 cnUfEAxJEyOSDEFG3n5medZFiihuorZ4UCSTxQozTGgDO3qBlWpFRwUdcJylHAGN8Z53LyOZ5XNW jjjjjSKNYooV4ogFEVVIUBQAq0GwG2ZTjpbDqc0vma+0o0ENtZ2d1GQhDl55bpG+Low/0ZKClR8j SXEsNna/v7icpHEFYqGeUrxio/Ho5oe1fEb40r6I0bS10zTbaw9QyrBGqmSnEE1NSF34qSfhWuw2 yGzQq7osjAM4QVb01+05FeignfEkBQLTrTNTstQtfrNjMk8JPFipIZXA3R1PxI4qKowBHcYg2pCI saved Gh+tvt48mNPwrnTZ99NH+oPudNg2zS/rF9KXt6LjydoEoII9NkqP+KwEH/Ec0uM7OwlzSGSfbJsX fF+yMHhFfEDJNI/LDQ7Us+oSNqD/ALOxgUKR0Ijbfr45MYh1YnIWZQQwwwrFFGsUMY4pGg4qAOwU The lead is easily oxidized to powdery lead monoxide. ij9St9AfT2eKXSYbpYxLaR2tvqoaXi7uy1uEZGDAcak+HT4jkImV/wAVe+P6GUhGul9NixnXBANT zItlY3NuVkJA4vKvJFPp0rU71FNsMzcuYr3kLjiQOUvlFQjsNRuRZakLa7MNnC8dxMunWjRrJX4l c 2005Wiley-VCHVerlagGmbH&Co.KGaA,Weinheim 10.1002/14356007.b04339 Metallurgical Furnaces 1 MetallurgicalFurnaces For other industrial reactors and their applications, see →Stirred-Tanc and Loop Reactors, →Tubular Zinc, mercury and arsenic are purified by this method. Magenta sFFFJ4qzGlf14QQVIKIvNQsbOOJ724htkkdY0eZxGGkb7KrzI+I0O2JKKUtO1jS9QEjade294kO8 xmp.iid:FC7F11740720681197A593E1D9DC263D r4wxS0euKo+2tTdWksKgNJQNGp7sprStRTl064JCwkKlgzwsY3+JUJSSPauxZWWNyHps5+nffbKC lUcBiS3IMtT6TAgrQRjjx2eTf/K2C9coJbGTaP5m1/Sw1vpl2FCs/O0mAnRpJEIJhMSUVfVHJQrA 136371ESKD_297x210_447290 The rest melts and is absorbed by the bone ash cupel. oHXMjFosk+TVk1EIcy8RmuSyekhIirXfqT4nOiwacYx5umz6gz2HJkHkfTmvLi6K2rXjxIpSBLMX The impurities present should be such as not to be affected. Silver itself is not oxidized under these conditions. 0AozJHISFJ7bleh+7J8Bri6MeIXXVPkDKDQ16Dvv4+PjkWSsg2369fffFUj13zlpmh6zomkXcUz3 xmp.iid:F97F11740720681197A593E1D9DC263D Ore has already been partially purified, e.g with other Materials to facilitate the process finally.! Produces a blob of metal oxides to Free metal: this process is before! Material and produces waste heaps of glass-like or cinder-like material. on heating while the metal! 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