|
|
       CODE: 552.382-010 Buy the DOT:Download/CD-ROM
TITLE(s): PYRIDINE OPERATOR (steel & rel.) alternate titles: pyridine-recovery operator
Controls equipment, such as washers, rectifiers, condensers, and mixing tanks arranged in series
to recover pyridine sulfate from tar oils: Prepares solutions of diluted sulfuric acid and sodium
carbonate to specified concentration by adding water. Pumps solutions into system to dissolve
pyridine and neutralize acids. Starts pumps to circulate batch through system, observing gauges and
other instruments. Removes tarry compounds dissolved in pyridine sulfate solution by rectifying
(boiling) solution with steam. Samples products for analysis, and interprets results and makes
adjustments to control quantity and quality of product according to laboratory report. Inspects
equipment, and steams out lines, changes charts, lubricates equipment, and makes minor repairs and
adjustments.
GOE: 06.02.11 STRENGTH: M GED: R3 M3 L3 SVP: 6 DLU: 77
ONET CROSSWALK: 92962 Separating, Filtering, Clarifying, Precipitating, and Still Machine Operators and Tenders
|
