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  1. Proper Handling of Toxic Inhalation Hazard Chemicals

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2022 February Michael P. Broadribb, C.Eng. Rafael Callejas-Tovar, P.E. Toxic inhalation hazard (TIH) chemicals are widely used in the chemical process industries (CPI) and transported through communities. Fatalities can occur if these chemicals are not ma ...

  2. Process Safety Beacon: Piping Dead Legs: Another Hazard in Plain Sight

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2022 February ▲ Dead legs are sections of piping that have stagnant areas. These are some piping configurations that can form dead legs. Figure adapted from Ref. 1. During a dead leg inspection, an X-ray examination was performed on a 2-in. drain line con ...

  3. Spotlight on Safety: Lessons Learned from a Reactive Chemical Incident

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2022 February Michael D. Snyder, P.E. On May 3, 2019, an explosion and fire killed four employees at the AB Specialty Silicones facility in Waukegan, IL. The facility processed silicone hydride emulsions, which are known to react to form hydrogen when mix ...

  4. Identify Potential Stagnant Areas in an Ethylene Plant

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2022 February Debby M. Rossana Greg Scherer Sheri R. Snider Sections The Audit Review the fouling history Identify low- or no-flow areas in your plant Closing thoughts Literature cited Identify and mitigate stagnant areas in an ethylene plant to prevent p ...

  5. Common Problems in Pilot Plant and Laboratory Hazard Analysis

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2022 January Richard Palluzi Avoid these common problems during a research hazard analysis and risk assessment (HARA) to effectively evaluate hazards in pilot plant and laboratory operations. Moving from small-scale laboratory operations to larger-scale p ...

  6. Process Safety Beacon: Ensure Drawings and Procedures Are Accurate

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2022 January ▲ A facility added an emergency power supply to an oleum transfer system but never updated the schematic or operating procedures. Thus, the emergency power supply was never interlocked to the high-high level switches (LSHHs). Image adapted fr ...

  7. Spotlight on Safety: Don’t Rob the Pillars of Your Safety Programs

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2022 January Jim Klein In the book Inviting Disaster: Lessons from the Edge of Technology (1), author James Chiles introduced “robbing the pillar” as a useful safety metaphor: During the mine tour, the guide talked about an old practice called “robbing th ...

  8. Trends: SAChE Celebrates 30 Years of Advancing Safety Education

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2022 January This year, the Safety and Chemical Engineering Education (SAChE) Certificate Program celebrates its 30th birthday. Originally launched by the Center for Chemical Process Safety (CCPS) in 1992, SAChE consists of a series of courses that provid ...

  9. Process Safety Beacon: Situational Awareness Is Key to Avoiding Errors

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2021 December Two operators were sent to change valve positions and bring a pump on-line during routine maintenance at a refinery in Baton Rouge, LA. When the valve would not open, the operators decided to remove the gearbox to access the valve stem direc ...

  10. Hydrogen Safety Fundamentals

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2021 December Sarah Eck Michael D. Snyder, P.E. As the number of producers and end-users of hydrogen grows, so too does the importance of its safe handling and use. Hydrogen use has dramatically increased in recent years, especially as it has grown in pop ...

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