A professional who tends rotary mixer that blends aged alkali-cellulose crumbs with carbon disulfide to form cellulose xanthate for further processing into cellophane or rayon. Respnsibilities include:

• Couples pipe to mixer to admit specified amount of carbon disulfide to churn (mixer chamber) filled with alkali-cellulose crumbs by other workers.
• Starts drum rotating, observes gauges, and moves or sets controls to maintain temperature of churn and length of mixing cycle within plant specifications.
• Stops machine and turns valve to expel excess gas remaining in drum.
• Opens hatch and dumps cellulose xanthate into cart or machine hopper for further processing.
• Scrapes interior of drum, using putty knife or scraper, to remove product residue before preparation of next batch.
• May tend continuous process equipment and be designated Disulfurizer Tender.
• May blend cellulose xanthate and caustic soda and be designated Tank Worker.