1997 Swinburne Higher Education Handbook

SC747 Adsorption from Solution
7.5 credit points 4 hours per week for 5 weeks Hawthorn
Prerequisites: SC716 Basic Colloid Science (SC717 Basic
surface Science is recommended)
This is a subject of the Graduate Diploma of Applied
Science (Applied Colloid Science)
Content
An overview of forces involved in adsorption from solution.
The role of electrostatics, solvation and chemical terms.
Chemical modelling (site binding).
Uptake onto colloidal materials of toxic aqueous pollutants
such as heavy metals, anions, organics and polymers.
Industrial significance of adsorption and its implications in
waste water treatment. Practical aspects of adsorption
phenomena including experimental design. Adsorption of
simple electrolytes.
SC748 Water Treatment Technology
7.5 credit points 4 hours per week for 5 weeks
Hawthorn Prerequisites: SC716 Basic Colloid Science and
SC717 Basic Surface Science (SC747 Adsorption from Solution
is advised)
This is a subject of the Graduate Diploma of Applied
Science (Applied Colloid Science)
Content
Implications of colloidal chemistry in waste water
treatment. The role of adsorption phenomena in waste
water treatment. Biological and non-biological treatment
technologies. An overview of common and advanced
treatment technologies including alum flocculation,
biochemical treatment, cellular foam microbial degradation
and adsorbing colloid flotation. Emphasis will be placed on
those technologies using colloidal principles to separate
contaminant from clean water.
SC749 Polymer Flocculation
7.5 credit points 4 hours per week for 5 weeks Hawthorn
Prerequisites: SC716 Basic Colloid Science and SC717 Basic
Surface Science (SC747 Adsorption from Solution and SC752
Polymer Stabilisation Technology are advised)
This is a subject of the Graduate Diploma of Applied
Science (Applied Colloid Science)
Content
Types of flocculants: natural, synthetic and metal ions vs
polymers. Flocculants in solution and adsorption of
polymers. Bridging model, floc formation and floc structure.
The role of DLVO theory. Selective flocculation,
sensitisation and protective action. General principles of
water treatment. Flocculation of clays, pigments, etc.
Analytical methods for determining low concentration of
flocculants. Effect of pH on flocs and floc building.
SC750 Detergency
7.5 credit points 4 hours per week for 5 weeks
Hawthorn Prerequisites: SC744 Chemistry of Surfacants
and $2717 Basic Suface Science (SC716 Basic Colloid
Scienceis advised)
This is a subject of the Graduate Diploma of Applied
Science (Applied Colloid Science)
Content
Detergent action and the role of contact angle, adhesion,
cohesion, micellisation and emulsification. Methods of
analysis ranging from cloud point determination and twophase
titrations to infra-red and NMR analysis. Detergent
biodegradability.
Detergent formulation for specific needs, e.g. softeners,
conditioners. Specific examples of interest, eg. removal of
lanolin from wool and the formulation of hair shampoos.
SC751 Emulsion Technology
7.5 credit points 4 hours per week for 5 weeks Hawthorn
Prerequisites: SC744 Chemistry of Sufacants, SC716 Basic
Colloid Science and SC717 Basic Surface Science
This is a subject of the Graduate Diploma of Applied
Science (Applied Colloid Science)
Content -- -
Common methods for obtaining emulsions and their
subsequent use. Emulsion polymerisation and the properties
of polymer latices.
p he theory of emulsion stability. Long range (DLVO) and
short range (Gibb's-Marangoni) stability. Surface chemical
factors and the application of the DLVO theory. Surface
elasticity and surface viscosity. The role of macromolecules
as emulsion stabilisers. Stabilisation by finely divided solids
and the properties of thin films (e.g. rupture). Breakdown of
emulsions (thermodynamics). Applications to cosmetics,
food, bitumen, wax, etc.
SC752 Polymer Stabilisation Technology
7.5 credit points 4 hours per week for 5 weeks Hawthorn
Prerequisite: SC716 Basic Colloid Science
This is a subject of the Graduate Diploma of Applied
Science (Applied Colloid Science)
- -
Content
Equilibrium thermodynamics of solutions of large
macromolecules and configurational statistics of polymers.
Forces of steric repulsion. Volume restriction and mixing
models. Calculation of free energies. Steric stabilisation,
steric flocculation depletion stabilisation and depletion
flocculation. Orientation of adsorbed layers.
Experimental methods for measuring the thickness of an
adsorbed layer. Implications of the adsorbed layer in particle
stability. Design of copolymers and selection of various
structural components. Application to the dispersion of
pigments in various media and to polymer flocculation.
Swinburne Univenify of Technology 1997 Handbook 483