A professional who controls autoclave (high-pressure tank) to process liquid, solid, and gaseous ingredients into chemical products according to specifications. Respnsibilities include:

• Reads production schedule to determine product, ingredients, temperature, pressure, and duration of process.
• Turns valves to load liquid ingredients into tank.
• Weighs out and dumps solid ingredients and catalyst into equipment, and turns steam and coolant valves to heat mixture to specified temperature.
• Turns valves to displace accumulated gases to avoid explosion.
• Closes vent to seal autoclave.
• Sets dials to control pressure and flow of gaseous material through mixture.
• Opens vent to admit product into load tank.
• Connects drain line from load tank to filter press, using handtools, and starts pumps to force product through press to separate catalyst.
• Drains product into drum and starts pumps to transfer catalyst to load tank for reuse.
• May test samples of materials produced, using refractometer or other standard test equipment, to ensure attainment of specified product.