Job Description:

• 1) Controls equipment, such as vats, thionizer tower, absorbing tower, and autoclave, arranged in series to recover sulfur from coke-oven gas: Turns valve to admit coke-oven gas into absorbing tower.

• 2) Starts pumps that force solution containing arsenic compound and soda ash through tower.

• 3) Pumps resulting foul solution into thionizer tower, and admits compressed air to precipitate sulfur and form froth which overflows into tank.

• 4) Filters slurry, and washes salts from caked sulfur.

• 5) Melts sulfur in autoclave, and casts it into pans.

• 6) Determines alkalinity of absorbing solution by titration tests, and directs helper to add soda ash or arsenic compound.

• 7) Observes meters and gauges to control temperature of solution.

• 8) Punches dirt from holes in absorbing tower sprays with bar, and lubricates equipment.