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LIST
OF CONTENTS
Introduction
Process Description
Typical
Contactor
Design
Criteria
Photos, Plans & Specs
Treatment
Performance
Operational
Skills
Automation
Potential
Advantages
Limitations
& Concerns
Pilot
Plant Objectives
Costs
References
Contacts & Facilities
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TYPICAL OPERATOR SKILL REQUIREMENTS
A limestone contactor requires minimal operator attention and
maintenance provided that it is correctly designed to treat
the maximum flow of the plant and it is properly situated in
the treatment train (Spencer, 2000). A limestone contactor operator
must have the skills to carry out the operation and maintenance
procedures listed in 
8. The operator must also maintain a record of all operations,
regular inspections, water quality parameters monitored and
maintenance of the contactor in a limestone contactor log book
(Mackintosh, De Souza and De Villiers, 2003a).
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