annexure - a andhra university: college of engineering department
annexure - a andhra university: college of engineering department
annexure - a andhra university: college of engineering department
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MTE 312: MINERAL BENEFICIATION<br />
Periods/week: 3L-2T Credits: 4 Sessional: 30 Exam: 70<br />
Objectives and scope. Classification <strong>of</strong> minerals. An elementary concept <strong>of</strong> liberation. Comminution .<br />
Study <strong>of</strong> primary and secondary crushing and grinding units like Jaw, Gyratory, and reduction Gyratory and roll<br />
crushers. Theory <strong>of</strong> Ball Mill operation, Rittinger’s , Kick’s and Bond’s laws <strong>of</strong> crushing and grinding.<br />
Laboratory sizing units. Screening. Ellutriation.Sedimentation. Representation <strong>of</strong> size analysis data.<br />
Sizing equipment used in industry. Elementary concepts <strong>of</strong> movement <strong>of</strong> solids in fluids. Stokes and Newtons<br />
laws. Reynold’s number. Free and hindered settling. Classification and its application in mineral dressing.<br />
Heavy media separation and coal washing. Tabling. Jigging. Magnetic and Electro static separation.<br />
Elementary treatment <strong>of</strong> principles <strong>of</strong> flotation. Surface tension, surface energy, and contact angle. Floatability,<br />
frothers, collectors and modifying agents. Differential flotation. Flotation circuits.<br />
Study <strong>of</strong> basic de-watering techniques like-sedimentation – filtration – drying.<br />
Simple flow sheets for Beneficiation <strong>of</strong> Fe, Mn, Cr, Cu, Pb, Zn and beach sands.<br />
Text books:<br />
1. Principles <strong>of</strong> Mineral Dressing, Gaudin, A.M.<br />
References;<br />
1. Mineral Processing Technology, S.K.Jain<br />
2. Unit operation in Chemical Engineering.<br />
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