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Chapter 4 PLANT OPERATION AND MAINTENANCE - Coggle Diagram
Chapter 4
PLANT OPERATION AND MAINTENANCE
4.1 Unit samples
Technician should know
the type and how to use the sampel container
hazard of collecting sampels
the proper way to collect
Purpose
troubleshooting process problems
verification of on specification product
verification of process stream composition
comparison with on line analyzers
Categories sampels
Finished product
Process streams
Auxiliary systems and utilities
Environment
Feedstock
4.2 Samples schedules
Who?
-who will collect the samples(operator name)
When?
-when the task will be perfome(date and time)
How?
-how you will collect teh samples(types of samples)
What?
-What is the hazard label to used(samples hazard)
4.3 Sample collection & technician health
safety precautions for collecting samples
Hazard of collecting samples
4.4 Types of samples
Grab sample
sample collected from a sample point that represents the samples
Composite sample
collection of samples from the same sample point over a period of time (usually 24 hours)
4.5 sample containers
some component can migrate into glass container
container material react sample
sensitive to light
temperature
hot / cold
type of sample
solid / liquid / gas
volume required