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Course Information

About this Course

This course will interactively engaged students cognitively and scientifically in areas of wastewater treatment technology and sludge processing techology. Students will state, write and explain the fundamentals principlea behind the various wastewater treatment methods (physical, biological and chemical) and the operation and maintenance of wastewater systems. Students will calculate a wide variety of wastewater mathematics encountered in wastewater collection and treatment. The designated lecture session is used to discuss various wastewater treatment technologies and practices. Lecture sessions employ a mixture of lecturer and active learning (self and peer discussion). The outcomes shall be assessed through a variety of tools which include the traditional examination, tests, assignments and classroom engagement.

Course Syllabus

Introduction
1.1 Malaysian legislation - Environmental Quality Act and Regulations 1974
1.2 International related standards and guidelines; Effluent guidelines ? USEPA, Standard Methods for the Examination of Water and Wastewater, APHA, AWWA

Wastewater Flows
2.1 Wastewater sources; domestic, industrial, municipal wastewater
2.2 Infiltration and inflow

Characteristics of Wastewater
3.1 Physical characteristics ? solids in wastewater, odour, temperature and colour
3.2 Chemical characteristics ? pH, dissolved oxygen, oxygen demand (BOD and COD), organic matter, nitrogen and phosphorus
3.3 Evaluation of wastewater; sewage strength and analysis of wastewater

Wastewater Processing
4.1 Purpose of conventional wastewater treatment ? preliminary, primary, secondary, tertiary treatment; abiotic processes and biotic processes in wastewater treatment plant
4.2 Primary treatment; equalization tank, screening, grit, primary clarifier
4.3 Secondary treatment; aerated lagoon, secondary clarifier, disinfection
4.4 Tertiary and advanced treatment; further removal of nutrients

Aerobic Wastewater Treatment Processes
5.1 Attached growth biological treatment system; trickling filter, rotating biological contactor (RBC), aerobic ponds and lagoons, its principles, design and operational parameter
5.2 Suspended growth biological treatment system; activated sludge processes, its principles, design and operational parameter

Anaerobic Wastewater Treatment Processes
6.1 Anaerobic digestion process; hydrolysis, acidogenisis, methanogensis
6.2 Anaerobic wastewater treatment techniques; conventional anaerobic digestors, upflow anaerobic sludge blanket, anaerobic contact, anaerobic upflow filter, anaerobic rotating biological contactor, modified clarigester

Tertiary and Advanced Wastewater Treatment
7.1 Purpose of advanced wastewater treatment
7.2 Nitrogen in wastewater: Forms, sources, operation and process for the control of nitrogen; biological nitrification, denitrification, biological nitrification-denitrification; Alternative means of ammonia-nitrogen control; air-stripping and ion exchange.
7.3 Phosphorus in wastewater: Forms, sources, operations and process for phosphorus removal; chemical and biological methods

Sludge Characteristics and Processes
8.1 Characteristics of waste sludges ? sludge volume and sludge index
8.2 Sludge treatment processes; aerobic and anaerobic digestion of sludge, sludge stabilization, dewatering, and conditioning
8.3 Sludge disposal; landfilling, composting, incineration

Wastewater Maintenance
9.1 Importance of operation and maintenance
9.2 Basic principles of operation and maintenance; corrective and preventive maintenance
9.3 Monitoring of performance for compliance

Frequently Asked Questions

Q1 : Is wastewater similiar to sewage
A1 : Yes in definition wastewater is similiar to sewage