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23 - Curriculum Development Centre, Kalamassery

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UNIT – VReclaim RubberReclaim rubber – definition, objectives of reclaiming, raw materials for reclaim production,reclaiming agents and their specific functions. Manufacturing of reclaim by various methods,comparison of different processes, types of reclaim rubber and their specifications, advantages ofusing reclaim in products, applications. Reclaiming units in India, market status, and recentdevelopments.Effluent treatmentImportance of effluent treatment – effluent generation from various raw rubber processing industrieslike RSS, crepe, crumb, centrifuging, creaming. Characteristics of effluents from different sources,treatment methods – primary and secondary. Collection, equalization, primary coagulation andsettling.Secondary treatments – aerobic & anaerobic ponding aerated lagoons, aeration tanks, activated sludgeprocess and their modifications. Selection of processes for specific applications. Norms of pollutioncontrol board, disposal of treated effluents, recent developments in effluent treatmentsREFERENCE BOOKS1. Hand book of Natural rubber production in India – Rubber Board2. High polymer Latices – D.C. Balkley Vol. I3. Latex in Industry – R.J. Noble4. Rubber Technology and manufacture – Blow5. Rubber Technology and manufacture – Sterveres Blow6. Vander built rubber hand book - R.T. Vanderbilt Co. Ltd.70

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