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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Assess performance of desalinationprocesses
   • Review existing process performance data.
   • Review existing operational processes with reference to manufacturer and plant designer specifications.
   • Identify the impact of raw water quality on desalination treatment processes.
   • Review existing fault reports and other relevant plant asset information.
   • Investigate the operational status of plant components.
   • Assess the effectiveness of various process control strategies.
2. Improve performance of desalination process
   • Identify treatment process conditions for optimising desalination.
   • Determine plant configuration and revised operational processes for process optimisation.
   • Plan a trial to test the performance of the determined optimisation options.
3. Report on system performance and improvement
   • Report on the current operational status of the water treatment process.
   • Report on effective treatment processes and associated sampling and testing requirements required to maintain water quality.
   • Compile a report making recommendations on optimisation options.
4. Assess performance of desalinationprocesses
   • Review existing process performance data.
   • Review existing operational processes with reference to manufacturer and plant designer specifications.
   • Identify the impact of raw water quality on desalination treatment processes.
   • Review existing fault reports and other relevant plant asset information.
   • Investigate the operational status of plant components.
   • Assess the effectiveness of various process control strategies.
5. Improve performance of desalination process
   • Identify treatment process conditions for optimising desalination.
   • Determine plant configuration and revised operational processes for process optimisation.
   • Plan a trial to test the performance of the determined optimisation options.
6. Report on system performance and improvement
   • Report on the current operational status of the water treatment process.
   • Report on effective treatment processes and associated sampling and testing requirements required to maintain water quality.
   • Compile a report making recommendations on optimisation options.

Range Statement

Desalination processes include:

reverse osmosis electrodialysis reversal (EDR) nanofiltration

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Performance Evidence

Evidence required to demonstrate competence must satisfy all of the requirements of the elements and performance criteria. The candidate must be assessed in at least one of the desalination processes listed in the Range of conditions. If not otherwise specified the candidate must demonstrate evidence of performance of the following on at least one occasion.

preparing and applying chemical dosing and cleaning

applying calculations to determine log removal values, Langelier saturation index, silt density index, salt passage or permeate flux, as required

evaluating process performance

reviewing existing process performance with reference to historical data, differences in raw water quality and plant configuration

identifying data deficiencies and collecting additional data through appropriate sampling and testing

assessing fault reports and investigating current operational status of processes for water treatment

investigating current and potential chemical addition practices

planning trials to test the performance of the treatment optimisation options for desalination

preparing recommendation reports

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Knowledge Evidence

Evidence required to demonstrate competence must satisfy all of the requirements of the elements and performance criteria. If not otherwise specified the depth of knowledge demonstrated must be appropriate to the job context of the candidate.

types and characteristics of chemical and microbial contaminants treated through desalination processes

problems for desalination processes caused by chemical and biological contamination

relevant legislation, standards and workplace policies and procedures relating directly to the control and operation of desalination processes

principles of water reuse treatment processes

log removal value concept for desalination

saturation indices used for prediction of scaling formation

silt and/or fouling indices used for prediction of solids or colloidal fouling

properties and modes of action for desalination

types and application of chemicals and chemical cleaning methods for desalination processes

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