- Teacher: selvam SELVAM P
- Teacher: selvam SELVAM P
Thermodynamics and relation to internal energy, Light and molecules: Photon field and Excited state, quantum yield, Kinetic Rate equations for photocatalysis: parallel, series, reactions, intensity, turnover rate. Photoprocesses at metals, oxides and semiconductors: concepts, discoveries and applications, Sensitization of photocatalysts and photosplitting of water.
Advances in design, preparation and characterization of photocatalysts: oxides, chalcogenides, semiconductors, layered materials, porous materials, artificial photosynthesis.
Photocatalysis and the environment: water purification, organic degradation by
photocatalysts, self cleaning photocatalysts, airborne pollutant degradation, reactors for photocatalysis.
Photoelectrochemistry : concepts, discoveries and applications, storage and synthetic cells, energy generation, cell design, diagnosis and characterization of photoprocesses at electrodes.
- Teacher: selvam SELVAM P
Primary and secondary pollution; environmental damage, causes and remedies; Green house effects, ozone hole and causes for these; purification of exhaust gases from different sources: autoexhaust catalysts (petrol vehicles); reactions involved, catalysts and their preparation, threeway catalysts, catalysts for diesel vehicles -NOx suppression methods, lean NOx trap, decomposition of NOx, selective catalytic reduction; deactivation of autoexhaust catalysts; purification of emissions from stationary units – catalysts and applications; catalytic combustion;VOC removal; ozone decomposition; photocatalysis in effluent treatment; principles of green chemistry: selectivity in catalysis; solid catalysts for organic reactions, solid acids and bases as catalysts, selective oxidation reactions; hydrogenation – dehydrogenation, catalytic carbon – carbon bond formation; catalysis in novel reaction media; cascade catalysis; renewable raw materials; examples of green process innovations: caprolactam, vanillin, adipic acid
- Teacher: selvam SELVAM P
Syngas production; preparation of pure hydrogen; ammonia synthesis, methanol and acetic acid; production of aromatics: pxylene, ethylbenzene, cumene, styrene, alkyl benzenes; alkylation, dealkylation, trans alkylation and disproportionation; zeolite catalysis: structure of zeolites and principles of zeolite catalysts, shape selectivity; molecular sieve separation processes; production of monomers: olefins, caprolactam, vinyl chloride; selective oxidation reactions, ammoxidation, ammoximation; production of adipic acid, terephthalic acid, acrolein, acrylic and methacrylic acids, ethylene oxide and ethylene glycol, epichlorohydrin, phenol, formaldehyde, formic acid, propylene oxide, propylene glycols, acrylonitrile, vinyl acetate; ethanol, sulfuric acid, nitric acid, hydrogen peroxide; alpha-olefins and alcohols; olefin metathesis; green chemistry: green catalysts and processes, solid catalysts in organic synthesis, fine chemicals manufacture, metallosilicate catalysts for selective oxidations; solid catalysts
- Teacher: kannan KANNAN A
Importance of homogeneous catalysis in the synthesis of highvalue chemicals; Organometallics and importance of ligands; catalytic cycle and catalytic intermediates and their identification through spectral techniques. Reactions that olefins undergo: hydrogenation and asymmetric synthesis; isomerization, oligomerization, hydrocynation and metathesis reactions; Examples of Shell and DuPont processes. Carbonylation and hydroformylation reactions: methanol to acetic acid; carbonylation of alkynes and other substrates for making industrially important chemicals; regioselective reactions; biphasic catalysis. Polymerization: catalytic cycle for alkene polymerization; metallocene catalysts; structure, special features and stereocontrol by metallocene catalysts. Oxidation reactions: Wacker oxidation; metalcatalyzed liquid phase oxidation of cyclohexane, pxylene, epoxidation of propene; oxo complexes and mechanism of oxidation reactions.
- Teacher: selvam SELVAM P
Classification of catalysts; requirements of industrial catalysts; general methods for preparation of catalysts: decomposition, precipitation, solgel, hydrothermal methods, leaching, impregnation, ionexchange, hydrolysis, vapour deposition; unit operations: filtration, crystallization; activation of catalysts: calcinations, reduction, sulfidation; effect of preparation methods on catalyst activity; shaping of catalysts: importance of catalyst shapes, importance of heat and mass transport in industrial catalysis; reactor types; preparation of porous catalysts: oxides, mixed oxides; structure and preparation of zeolites, metallosilicates, aluminophosphates, ordered mesoporous materials; catalysis by zeolites; effect of Si/Al ratio, dealumination methods, crystallite size, Alspeciation; clay based catalysts, layered double hydroxides; structured catalysts: metal / ceramic monolith catalysts; composition analysis and simple characterization techniques for industrial catalysts; screening of industrial catalysts fo
- Teacher: selvam SELVAM P
Structure of solids. Lattice energy. Diffusion in solids. Crystal defects, Nonstoichiometry and Solid solutions. Solid state transformations and reactions. Crystal Chemistry, Property and Application of Materials. Surface structure, notation, clean and stepped surfaces; reconstruction, structure of adsorbate layers, molecular chemisorption, surface energy, Bonding in solids. Xray diffraction: indexing of reflections, determination of lattice type, lattice extinctions, application and interpretation of powder Xray diffraction data. Neutron and electron diffraction. Types of materials textural materials and material characterization.
- Teacher: selvam SELVAM P
Physical and Chemical adsorption – adsorption isotherms: evaluation of the texture of solids: chemisorption bond, chemisorption on metals and oxides. Catalysis: concepts – evolution, model catalytic reactions for elucidation; H2¬D2 exchange, ethylene hydrogenation, CO oxidation and hydrocarbon reactions. Review of catalysis: Concepts like multiplet theory, ensembles, geometric factor; local field effects; coupled interactions; structure sensitivity and structure insensitivity; demanding reactions site structure; molecularity; remote control and autoremote; biand multifunctionality; forward and back spillover; bifurcation theory; biand multi layers; bond order conservation; electrochemical promotion; kinetic coupling; linear free energy relationships; metalsupport interactions; pore efficiency and effectiveness; self organization; sorbatesorbate interactions; structure breaking and directing; structurereactivity relationships; templating; poisoning, promotion and deactivation; selectivity; catalytic process e
- Teacher: selvam SELVAM P