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  1. New Products: March 2024

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2024 March Fluids and Solids Handling Diaphragm Seal Is Suitable for Sanitary Applications Diaphragm seals are used to separate media in a vessel from a pressure sensor, as the flexible diaphragm allows for accurate measurement without media contact with ...

  2. Supporting LOPA with Fault Tree Analysis

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2024 February Edward M. Marszal John Applegate Risk management tools like layers of protection analysis (LOPA) can oversimplify risk analyses. More advanced tools such as fault tree analysis can expand these simple studies and make them more accurate. Lay ...

  3. Risky Business: Unfocused Cybersecurity Risk Management

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2024 January Matt Malone Organizations must use a targeted cybersecurity risk management approach to safeguard assets and mitigate risks. One of the many hallmarks of evolving industrial automation practices is increasing efficiency. In the earlier days o ...

  4. Process Safety Beacon: Keep the Manway Tightly Closed

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2023 October ▲ Naphtha released through a manway quickly formed a flammable vapor cloud. These images show the first six seconds of the release. Read the U.S. Chemical Safety and Hazard Investigation (CSB) report No. 2021-04-I-O for more information. On A ...

  5. Process Safety Beacon: Battery-Powered Devices Can Be Ignition Sources

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2023 July ▲ Ensure that battery-powered devices or other electrical equipment are properly rated for a classified area. Workers sometimes bring lithium-ion or other battery-powered devices such as tablets, smartphones, and cordless tools into classified a ...

  6. Process Safety Beacon: Wrong Material + Wrong Tank = Trouble

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2023 May ▲ Figure 1. Connections at the MGPI facility were found in this condition after a loading incident. The sulfuric acid fill line padlock was on the metal frame (yellow circle) and the sodium hypochlorite dust cap was on the ground. Read the U.S. C ...

  7. Predictive Maintenance Basics for Process Safety Engineers

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2023 May Jody E. Olsen, P.E G. Bartow “Bart” Lewis Sections Introduction Terminology and definitions CBM technologies Hazard scenarios: Where can CBM help? Rotating equipment seal failure scenarios Using CBM to prevent primary seal failures, not just LOC ...

  8. Compliance Auditing of Pressure Relief Systems

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2023 April Todd W. Drennen, P.E. JEFFREY DANCEY, P.E. Pressure relief systems are a critical area for evaluation in compliance audits. This article provides guidance for developing an audit protocol, gathering required documentation, and documenting and p ...

  9. Managing the Risks of Glass in Hazardous Service

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2023 April Nick Ashley, P.E. Bibek Sapkota James E. Torres Sections Selecting glass in hazardous service Design characteristics Failure modes Maintenance practices Risk mitigation for glass in hazardous service In closing Literature Cited Using glass comp ...

  10. Chronic Unease — The Missing Ingredient in Safety Leadership

    CEP Article | AIChE | The Global Home of Chemical Engineers
    2023 February Jennifer Bracey To achieve a robust safety culture, a sense of chronic unease within an organization’s management can help develop a healthy preoccupation with failure in near misses, risk assessments, and audits. Truly effective safety lead ...

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