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Safety-Instrumented Systems: Focus on Measurement Diagnostics

This article provides guidance to the designer and operator of a safety-instrumented system (SIS), with an emphasis on conducting measurements. The use of best practices to ensure the strength of the overall system design, and the use of instrument diversity…

The Direct Integration Method: A Best Practice for Relief Valve Sizing

What if someone were to tell you that there is one method available for sizing relief valves that applies to virtually every situation, including two-phase flow and supercritical fluids? And what if they told you that method is more accurate…

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We need NASA

Richard Belzer, of the television program Law and Order, authored a book entitled “UFOs, JFK and Elvis: Conspiracies You Don’t Have to be Crazy to Believe.” I remember reading and enjoying the book. The author contended that there are five-sided…

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AkzoNobel Chemical Island starts supply to world’s biggest single-line pulp mill; and more business news

Plant Watch AkzoNobel Chemical Island starts supply to world’s biggest single-line pulp mill March 7, 2013 — AkzoNobel’s (Amsterdam, The Netherlands; www.akzonobel.com) new €90-million Jupiá Chemical Island in Brazil has begun supplying the Eldorado Brasil Celulose pulp mill, which is…

Terry Allen becomes vice president of sales for North America for Perten Instruments AB…

Eichentopf Aust Sesselmann Grenier Allen Ralf Eichentopf is now part of the management team at GEA Bock GmbH (Frickenhausen, Germany), where he will be responsible for manufacturing. Erik Aust is the new director of sales for the market segment Mobile…

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Propylene Production via Metathesis

Propylene is typically considered a co-product in steam crackers and fluid-catalytic-cracking (FCC) processes, which are primarily driven by ethylene and motor gasoline production, respectively. Recently, most U.S. ethylene producers have shifted to lighter feedstocks due to the availability of low-cost…

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Five Steps to Replacing Aged Heat-Transfer Fluid

Changing out used heat-transfer fluid is critical to the efficiency of a heat-transfer fluid system. A well-operated heat-transfer-fluid system can enable efficient production, fewer shut-downs, less maintenance time and lower costs. In order to maintain a sound heat-transfer system, it…

Corrosion in Flexible Burner Hoses

Piping leakage due to corrosion has the potential to cause catastrophic fires and damage to process equipment in petroleum refining and other chemical process industries (CPI) facilities. When such incidents occur, a large amount of damage and a long downtime…

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Ruptured rupture disc

It was Terry Thurber’s idea. It was a bad idea. But Bob Miller and Nick Urbanski taught me many years ago that, in the research and development (R&D) world, bad ideas are often the best ideas. Install things upside down…

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Bechtel acquires Chevron’s water treatment process and more business news

Plant Watch KBR to provide technology package for ammonia/urea plant in Indonesia February 7, 2013 — KBR (Houston; www.kbr.com) has announced that it was selected by PT Pupuk Sriwidjaja Palembang, to provide licensing, engineering services and proprietary equipment for a…