EN9010 MASS TRANSFER IN AIR-WATER-SOIL INTERACTION SYLLABUS | ANNA UNIVERSITY ME ENVIRONMENTAL ENGINEERING ELECTIVES SYLLABUS REGULATION 2009 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY M.E ENVIRONMENTAL ENGINEERING DEPARTMENT ELECTIVE 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 2010
EN9010 MASS TRANSFER IN AIR-WATER-SOIL INTERACTION
UNIT I EQUILIBRIUM AT ENVIRONMENTAL INTERFACE 10
Ideal solutions – Air-water equilibrium occurrences – Pure gases in contact with water-Pure
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.
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.
L T P C
3 0 0 3
16
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 – Msovement of chemicals through
the benthic boundary layer.
UNIT V EXCHANGE RATES BETWEEN AIR AND SOIL 9
Turbulence above the air-soil interface –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: 45 PERIODS
REFERENCES:
1. Thibodeaux, L.J., “Environmental Chemo dynamics: Movement Of Chemicals In
Air, Water and Soil”, 2 Edition, Wiley - Interscience, 1996.
2. Cusssler, E.L., “Diffusion: Mass Transfer In Fluid Systems”, Cambridge University Press,
1994.
EN9010 MASS TRANSFER IN AIR-WATER-SOIL INTERACTION
UNIT I EQUILIBRIUM AT ENVIRONMENTAL INTERFACE 10
Ideal solutions – Air-water equilibrium occurrences – Pure gases in contact with water-Pure
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.
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.
L T P C
3 0 0 3
16
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 – Msovement of chemicals through
the benthic boundary layer.
UNIT V EXCHANGE RATES BETWEEN AIR AND SOIL 9
Turbulence above the air-soil interface –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: 45 PERIODS
REFERENCES:
1. Thibodeaux, L.J., “Environmental Chemo dynamics: Movement Of Chemicals In
Air, Water and Soil”, 2 Edition, Wiley - Interscience, 1996.
2. Cusssler, E.L., “Diffusion: Mass Transfer In Fluid Systems”, Cambridge University Press,
1994.
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