Instructional Manual For Clarification Of Startup In Source Categories Affected By New Source Performance Standards - U.s. Environmental Protection Agency - 1979 Page 112
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146 All liquid handling equipment are hydrostatically tested (prior to delivery
to the plant) at guaranteed pressures while the plant would test these systems
at design operating levels.
These pieces of equipment (scrubbers or acid pre-
heaters) are also filled with water to check for leaks and to verify that
instrumentation and monitoring equipment are functioning properly.
Other procedures undertaken prior to plant startup would include:
•
check plant for safety equipment, emergency lights, adequate
egress, handrails, fire extinguishers, etc.;
•
review operating procedures to establish best means of
operation;
Startup Operations
Startup would be best defined as the initial charging of the wet system;
1.
e.
t
phosphoric acid ·to the preheater and water to the scrubbers.
Initial
operations take place at half load and, in cases where all components are
properly designed and there are no major equipment failures, rated capacity
can be achieved in 8 hours.
Abnormal circumstances can extend this time
period to 6
to
8 weeks.
.
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