| Job Title |
Extractor-and-wringer Operator |
| Job Description |
Tends Equipment That Extracts Salicylic Acid From Sodium
Salicylate Solution By Precipitation And Dries Salicylic Acid By
Centrifugal Force: Opens Valves To Pump Sodium Salicylate
Solution And Required Amount Of Sulfuric Acid Into Extractor
Columns That Absorb Phenol From Solution And Cause Precipitation
Of Salicylic Acid Crystals. Opens Steam Valves To Heat
Extractors To Specified Temperature To Increase Rate Of
Precipitation Of Salicylic Acid. Pumps Off Solution Of Sulfuric
Acid And Phenol, And Pumps Slurry Of Salicylic Acid Through
Cooler To Centrifugal Drier. Tends Centrifugal Drier That Forces
Out Water To Dry Salicylic Acid. Removes Salicylic Acid From
Drier And Places Acid Into Containers, Using Scraper And Shovel.
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