ES9313 ENVIRONMENTAL CHEMODYNAMICS SYLLABUS | ANNA UNIVERSITY ME / M.TECH ENVIRONMENTAL SCIENCE AND ENGINEERING 1ST SEM SYLLABUS REGULATION 2009 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY FIRST SEMESTER ME / M.TECH ENVIRONMENTAL SCIENCE AND ENGINEERING DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI,TIRUNELVELI,COIMBATORE), 2009 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
ES9313 ENVIRONMENTAL CHEMODYNAMICS L T P C
3 0 0 3
OBJECTIVE:
To educate the students on the mechanism of material transfer between environmental
components – air, water and soil.
UNIT I EQUILIBRIUM AT ENVIRONMENTAL INTERFACE 10
Ideal solutions – air – water equilibrium occurrences – pure gases in contact with waterpure
liquid in contact with air – partition coefficient for the air – water system. Earthern
solid – waste equilibrium occurrences – pure solid and liquid chemicals in contact with
water and earthern solids. Earthern solid – air equilibrium occurrences – water – liquid
chemical equilibrium occurrences – thermal equilibrium at environmental interfaces.
5
UNIT II TRANSPORT MECHANISMS 9
Diffusion and mass transfer – molecular diffusion – eddy diffusion – mass transfer
theories – mass transfer coefficients – binary mass transfer coefficients in two phases
and two resistance theory of interphase mass transfer turbulence in the environment –
fundamentals of heat transfer – analogy theories of momentum, heat and mass transfer.
UNIT III EXCHANGE RATES BETWEEN AIR AND WATER 8
Desorption of gases and liquids from aerated basins and rivers – completely mixed basin
– plug flow basin – gas exchange rates between the atmosphere and the surface of
rivers – exchange of chemical across the air – water interface of lakes and oceans.
UNIT IV EXCHANGE RATES BETWEEN WATER AND THE EARTHERN
MATERIAL 9
Dissolution of chemicals on the bottom of flowing streams – geometric forms – stream
bottom mass transfer coefficients – natural convection dissolution – the upsurge of
chemicals from the sediment – water interface of lakes – a Fikian analysis – annual
upsurge rate at sediment – water interface – mass transfer coefficients at the sediment –
water interface. Flux of chemicals between sediment and the overlying seawater –
movement of chemicals through the benthic boundary layer.
UNIT V EXCHANGE RATES BETWEEN AIR AND SOIL 9
Turbulence above the air – soil interface – the Richardson number – chemical flux rates
through the lower layer of the atmosphere – Thronthwaite – Holzman equation –
evaporation of liquid chemicals spilled on land – chemical flux rates through the upper
layer of earthern material.
TOTAL : 4 5
REFERENCES
1. Thibodeaux, L.J, “Environmental Chemo dynamics: Movement Of Chemicals In
Air, Water and Soil”, edition 2., Wiley - Interscience, New York, 1996.
2. Cusssler, E.L, “Diffusion: Mass Transfer In Fluid Systems, “Cambridge University
press, 1994
ES9313 ENVIRONMENTAL CHEMODYNAMICS L T P C
3 0 0 3
OBJECTIVE:
To educate the students on the mechanism of material transfer between environmental
components – air, water and soil.
UNIT I EQUILIBRIUM AT ENVIRONMENTAL INTERFACE 10
Ideal solutions – air – water equilibrium occurrences – pure gases in contact with waterpure
liquid in contact with air – partition coefficient for the air – water system. Earthern
solid – waste equilibrium occurrences – pure solid and liquid chemicals in contact with
water and earthern solids. Earthern solid – air equilibrium occurrences – water – liquid
chemical equilibrium occurrences – thermal equilibrium at environmental interfaces.
5
UNIT II TRANSPORT MECHANISMS 9
Diffusion and mass transfer – molecular diffusion – eddy diffusion – mass transfer
theories – mass transfer coefficients – binary mass transfer coefficients in two phases
and two resistance theory of interphase mass transfer turbulence in the environment –
fundamentals of heat transfer – analogy theories of momentum, heat and mass transfer.
UNIT III EXCHANGE RATES BETWEEN AIR AND WATER 8
Desorption of gases and liquids from aerated basins and rivers – completely mixed basin
– plug flow basin – gas exchange rates between the atmosphere and the surface of
rivers – exchange of chemical across the air – water interface of lakes and oceans.
UNIT IV EXCHANGE RATES BETWEEN WATER AND THE EARTHERN
MATERIAL 9
Dissolution of chemicals on the bottom of flowing streams – geometric forms – stream
bottom mass transfer coefficients – natural convection dissolution – the upsurge of
chemicals from the sediment – water interface of lakes – a Fikian analysis – annual
upsurge rate at sediment – water interface – mass transfer coefficients at the sediment –
water interface. Flux of chemicals between sediment and the overlying seawater –
movement of chemicals through the benthic boundary layer.
UNIT V EXCHANGE RATES BETWEEN AIR AND SOIL 9
Turbulence above the air – soil interface – the Richardson number – chemical flux rates
through the lower layer of the atmosphere – Thronthwaite – Holzman equation –
evaporation of liquid chemicals spilled on land – chemical flux rates through the upper
layer of earthern material.
TOTAL : 4 5
REFERENCES
1. Thibodeaux, L.J, “Environmental Chemo dynamics: Movement Of Chemicals In
Air, Water and Soil”, edition 2., Wiley - Interscience, New York, 1996.
2. Cusssler, E.L, “Diffusion: Mass Transfer In Fluid Systems, “Cambridge University
press, 1994
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