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Operations & Maintenance

Ten troubleshooting tips

Good troubleshooting skills are invaluable in chemical engineering practice. While their value is clearly gleaned from the impact they have on plant performance, it is also a reflection of the intangible process of learning them. Last month, at the AIChE…

Comparing petrochemical plant aging

The massive buildup of new petrochemical capacity in the Middle East and Asia has been well documented, and its effect on future supply-demand much discussed. But a look at the average ages of plants in different regions in the years…

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Feature Report: The Number One Problem in a Steam System: Water Hammer

  Water hammer — a high-pressure surge or wave created by the kinetic energy of the moving liquid — is not only a system issue, but primarily a safety concern. Understanding the nature and severity of water hammer in a…

Maintenance and Repair of Glass-Lined Equipment

 A customized inspection and maintenance program will minimize operational and performance problems with glass-lined equipment Glass-lined steel equipment is used in a wide range of chemical processes that involve harsh chemicals, including the production of pharmaceuticals, specialty chemicals, agricultural products…

An alternative to cranes for moving heavy equipment

As the demand for productions plants with “mega” capacities grows, one challenge facing engineering contractors has been how to move the very large vessels, columns, heat exchangers and other equipment as it's being constructed. Now companies that fabricate and assemble…

Cr-free coatings

A new primer technology for coating aluminum aircraft that uses magnesium instead of chromium has been developed by researchers at the North Dakota State University (Fargo; edlinks.chemengonline.com/5618-546). A commercial licensing agreement was signed last month between the university’s Research Foundation…

This device reduces manual labor for cleaning storage tanks

Cleaning the inside of large storage tanks at petroleum refineries and bulk chemical facilities typically involves workers using water cannons, shovels and even mini bulldozers. Such manual labor is not only time-consuming, but places the workers at risk due to…