Chemical Engineering » Operations & Maintenance http://www.chemengonline.com Chemical Engineering essentials for the global chemical processing industries (CPI) Tue, 11 Jul 2017 18:15:47 +0000 en-US hourly 1 http://wordpress.org/?v=4.0 Recently published books for the CPI http://www.chemengonline.com/recently-published-books-for-the-cpi-2/ http://www.chemengonline.com/recently-published-books-for-the-cpi-2/#comments Sat, 01 Jul 2017 13:00:21 +0000 http://www.chemengonline.com/?p=145433 The following is a list of selected recently published books that may have interest to professionals in the chemical process industries (CPI). Standards and Typical Specifications for Tray-Type Dearators, 10th ed., by the Heat Exchange Institute (HEI), www.heatexchange.org, 2017, $150. Handbook of Spent Hydroprocessing Catalysts, 2nd ed., By Meena Marafi, Antony Stanislaus and Edward Furimsky, […]

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]]> http://www.chemengonline.com/recently-published-books-for-the-cpi-2/feed/ 0 Benefits of Sophisticated Motor and Drive Technologies http://www.chemengonline.com/benefits-sophisticated-motor-drive-technologies/ http://www.chemengonline.com/benefits-sophisticated-motor-drive-technologies/#comments Thu, 01 Jun 2017 00:00:00 +0000 http://www.chemengonline.com/?p=143827 New motors and drives provide energy efficiency and reliability in chemical applications Always on the lookout for ways to reduce downtime and energy costs, chemical processors are turning to advanced motors

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]]> http://www.chemengonline.com/benefits-sophisticated-motor-drive-technologies/feed/ 0 Selection of Severe Service Valves http://www.chemengonline.com/getting-severe-service-valves/ http://www.chemengonline.com/getting-severe-service-valves/#comments Thu, 01 Jun 2017 00:00:00 +0000 http://www.chemengonline.com/?p=144175 Severe service valves (SSVs) differ from general purpose valves in important ways. Presented here is guidance on how to increase service life, reduce costs and improve safety and environmental performance of

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]]> http://www.chemengonline.com/getting-severe-service-valves/feed/ 0 Cooling Towers: Estimate Evaporation Loss and Makeup Water Requirements http://www.chemengonline.com/cooling-towers-estimate-evaporation-loss-and-makeup-water-requirements/ http://www.chemengonline.com/cooling-towers-estimate-evaporation-loss-and-makeup-water-requirements/#comments Sat, 01 Apr 2017 00:00:00 +0000 http://www.chemengonline.com/?p=140503 Applying mass and energy balance calculations yields critical operating insight Cooling towers are an important unit operation in chemical process industries (CPI) operations. Applying mass and energy balance

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]]> http://www.chemengonline.com/cooling-towers-estimate-evaporation-loss-and-makeup-water-requirements/feed/ 0 A Primer on Compressor Design http://www.chemengonline.com/a-primer-on-compressor-design/ http://www.chemengonline.com/a-primer-on-compressor-design/#comments Wed, 01 Feb 2017 00:00:00 +0000 http://www.chemengonline.com/?p=136670 From initial conceptualization to final calculation, designing compressors requires not only engineering intuition and robust simulation tools, but also a bit of creativity

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]]> http://www.chemengonline.com/a-primer-on-compressor-design/feed/ 0 Research Projects: The Importance of “Cold Eyes” Project Reviews http://www.chemengonline.com/research-projects-the-importance-of-cold-eyes-project-reviews/ http://www.chemengonline.com/research-projects-the-importance-of-cold-eyes-project-reviews/#comments Wed, 01 Feb 2017 00:00:00 +0000 http://www.chemengonline.com/?p=137094 Follow this guidance to carry out independent project reviews of research projects that are both valuable and effective — and pain free Independent project reviews (IPRs) are a common tool used to control

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]]> http://www.chemengonline.com/research-projects-the-importance-of-cold-eyes-project-reviews/feed/ 0 Overcoming Corrosive Processes with High-Alloyed Stainless Steels http://www.chemengonline.com/overcoming-corrosive-processes-with-high-alloyed-stainless-steels/ http://www.chemengonline.com/overcoming-corrosive-processes-with-high-alloyed-stainless-steels/#comments Fri, 06 Jan 2017 05:00:00 +0000 http://www.chemengonline.com/?p=135398 Advanced high-alloyed stainless steels with austenitic properties can address corrosion concerns in challenging phosphoric and nitric acid processes

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]]> http://www.chemengonline.com/overcoming-corrosive-processes-with-high-alloyed-stainless-steels/feed/ 0 What’s Corroding Your Control Room? http://www.chemengonline.com/whats-corroding-your-control-room/ http://www.chemengonline.com/whats-corroding-your-control-room/#comments Fri, 06 Jan 2017 05:00:00 +0000 http://www.chemengonline.com/?p=135400 Corrosion-induced failures are frequent in the electronics products used in control rooms, but proper environmental assessment, control and monitoring can help abate these concerns

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]]> http://www.chemengonline.com/whats-corroding-your-control-room/feed/ 0 Pump Safety: Flirting with Disaster http://www.chemengonline.com/pump-safety-flirting-disaster/ http://www.chemengonline.com/pump-safety-flirting-disaster/#comments Thu, 01 Dec 2016 00:00:00 +0000 http://www.chemengonline.com/?p=133958 Be vigilant about parallel pumping conditions that can lead to catastrophic failures During my career, I have seen several massive centrifugal pump failures caused by pump users attempting to operate pumps in

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]]> http://www.chemengonline.com/pump-safety-flirting-disaster/feed/ 0 Challenges of Handling Filamentous and Viscous Wastewater Sludge http://www.chemengonline.com/challenges-handling-filamentous-viscous-wastewater-sludge/ http://www.chemengonline.com/challenges-handling-filamentous-viscous-wastewater-sludge/#comments Thu, 01 Sep 2016 00:00:00 +0000 http://www.chemengonline.com/?p=127548 Excessive growth of filaments and biopolymers in activated sludge should be controlled in CPI wastewater-treatment plants, as both lead to sludge that is hard to handle. The sticky behavior of such sludge can

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