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SEN741 - Wastewater Treatment Processes

Unit details

Year2016 unit information
Enrolment modes:

not offered from 2016

Credit point(s):1
EFTSL value:0.125
Unit chair:

Bas Baskaran





Incompatible with:

SEN726, SEN742 and SEN733

Contact hours:

Cloud (online): Learning experiences are via CloudDeakin.


Topics to be covered in this unit include: introduction: wastewater systems, impact of regulations on wastewater engineering, health and environmental concerns, wastewater characteristics, wastewater treatment systems, new directions and concerns wastewater constituents: physical, inorganic and organic chemical and biological characteristics, constituents of concerns, sampling wastewater flow rates and constituent loadings; analysis of wastewater flow rate data, analysis of constituents mass loading data process analysis and selection: types of reactors; mass balance analysis; flow/mixing conditions in reactors; reactions and reaction rates; process selection, reaction kinetics, fundamentals of biological treatment: objectives, definitions, role of micro-organisms, composition and classification of micro-organisms, microbial growth kinetics, biomass growth and substrate utilisation, aerobic biological treatment processes: suspended growth processes: activated sludge process and its modifications; aerated lagoons; sequencing batch reactors; aeration theory and practice; attached growth processes: trickling filter, rotating biological contactors; aerobic bio-filters, combined aerobic processes; waste stabilisation ponds; biological nutrient removal processes; membrane bio-reactors, anaerobic biological treatment processes: process selection, process microbiology, kinetics and models, types of processes; anaerobic digesters, contact processes, (USAB), anaerobic bio-filters, fluidised bed reactors bio-solids treatment, disposal, and reuse: sources, characteristics, and quantities of sludge; sludge thickening: gravity and flotation; sludge digestion and process design; sludge dewatering: vacuum filtration, centrifugation, and filter presses; incineration; reuse and disposal of sludge; small and decentralised systems: alternative collection systems, lagoon treatment systems, wetland and aquatic treatment systems, land treatment systems, on-site systems, packaged plants.


Two assignments (20% each) 40%, examination 60%. To be eligible to obtain a pass in this unit, students must achieve an overall mark of at least 40% in the examination.

Unit Fee Information

All Commonwealth Supported Place (CSP), fee paying undergraduate and pre-2016 commencing students

Unit fee information available soon

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