(800) 627 3697 info.eri@erieri.com
Are you working in compensation or HR? See our salary, cost-of-living, and executive pay applications in action. Try our free salary assessor demo.

Alum Plant Operator Salary
in Chicago, Illinois

$62,393 (USD)

Average Salary


Average Hourly


Average Bonus

Last updated: May 20, 2019

Salary Recap

The average pay for an Alum Plant Operator is $62,393 a year and $30 an hour in Chicago, Illinois, United States. The average salary range for an Alum Plant Operator is between $45,256 and $76,612. This compensation analysis is based on salary survey data collected directly from employers and anonymous employees in Chicago, Illinois.

Average Salary Chart

Scroll for Salary Potential, Education and Skills

Job Summary

  • Controls equipment to produce alum liquor (aluminum sulfate) in continuous process reaction of sulfuric acid with powdered bauxite: notifies other workers to unload bauxite from boxcars into hopper of crusher.
  • Starts crusher, mill, and conveyors to replenish storage supply of powdered ore.
  • Observes flowmeters and turns valves to regulate flow of powdered ore, acid, and weak alum liquor into first digester in specified proportions to produce mixture of prescribed specific gravity and through other digesters where chemical reaction occurs and resultant aluminum sulfate liquor is settled and diluted to specified concentration.
  • Tests samples from each digester, using hydrometer and thermometer, to verify specific gravities and temperatures.
  • Turns valves to adjust flow of steam through digester jackets and proportions of materials fed into first digester to regulate temperatures and specific gravities accordingly.
  • Pumps finished alum liquor into storage tank and weak alum liquors into settling tanks (thickeners) for recycling into process.
  • Records temperatures, specific gravities, and flow rates of materials in operating log and level of alum liquor storage tanks on inventory records.
Alum Plant Operator Job Prevalence in Chicago, Illinois, United States

Job family: Forging Machine Setters, Operators, and Tenders, Metal and Plastic

Job family population: 18,300

Estimated population of Alum Plant Operator jobs: 133

Rate of error: 3.7%

Salary Potential

Estimated salary in 2024:
5 Year Change:
16 %


Education data not available for this job


Skills data not available for this job

Alum Plant Operator Job Listings for Chicago, Illinois

No listings found
ERI Economic Research Institute compiles the best salary, cost-of-living, and executive compensation survey data available.

Salaries By Location

Similar Job Titles

Are you an Employer?

Free Salary Assessor Product Demo
Are you an HR Professional?
Try our salary assessor and find out how much you should be paying
Explore our most popular jobs
View our most popular salary searches and other resources