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Range Statement
Performance Evidence
identifying reporting faultscompleting logsperforming process calculations including:recycle ratiohydraulic loading ratepreparing and applying chemical dosingmonitoring test results and processesconducting routine plant inspectionstaking samples, adjusting dosing and performing basic tests, including at least one of:pH flotation tests colour turbidity solids jar testingmaking basic process adjustments according to instructions, including at least one of:saturator pressure water level and flow rate
Knowledge Evidence
features and components of dissolved air flotation systems, including:valvesrecycle pumpscompressorsaturatorfloat removal mechanismdispersion valvescutting spraysmaking basic process adjustments according to instructions, including:air loadingrecycle flow ratessaturated pressuredetention timefloat removal frequencyintended plant configurationwater quality impacts or mixed liquor characteristics, including:turbiditycolourpresence of algaetemperaturesuspended solidstypes of dissolved air flotation processes, including:dissolved air flotationdissolved air flotation filtration (DAFF)dissolved air flotation sludge thickeningrange of appropriate measuring and testing procedures, including:turbiditytrue colourfloat solids contentchemicals used for coagulation and flocculation or thickeningtheory of process operations, including:dissolved air flotation/clarificationdissolved air flotation/filtrationdissolved air flotation/sludge thickeningCandidate should demonstrate basic knowledge of all processes listed in Range of Conditions.