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December Who’s Who  

Ioannis I. Valvis joins BASF (Florham Park, N.J.) as pharmaceutical industry director for its Intermediates business. ConocoPhillips (Houston, Tex.) promotes Stephen R. Brand to senior vice president of technology. CorrBan Technologies, Inc. (Houston, Tex.) names Jeanne P. Haner vice president…

December New Products (Domestic Edition)

Use this cleanroom hose over a wide range of temperatures A flexible thermoplastic rubber hose with spring steel-wire helix reinforcement is available for use in cleanrooms. The Flexadux T-7 White is a medium-weight hose with a smooth interior for efficient…

December New Products (International Edition)

This redesigned screener is operator friendly Launched last year, the Apex Screener no longer has a removable top cover since all screens are accessed via drop-down doors along the side. In addition, the screening area has been partitioned to accept…

Feature Report: Green Engineering and the Design of Chemical Processes and Products

Chemical products and processes make modern life possible. The systems that provide housing, transportation, health care, and food for billions of people rely on chemical products, but as demand for these essential materials grows, the environmental impacts of the products…

Feature Report: The Role of Chemical Engineers in Green Engineering

What we can do to support its goals Green engineering, as explained by chemists and bio-scientists, includes production of energy and materials from "green" feedstocks, such as biomass and microorganisms, with the intent of reducing energy, waste, greenhouse gases (GHGs)…

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Feature Report: Advances in Valve Position Monitoring

Demanding application requirements coupled with improved downstream control devices and enhanced instrument diagnostics have led to major changes in process-valve monitoring and control. Factors driving these changes in the chemical process industries (CPI) include the need for lower plant operating…

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Engineering Practice: CAPE-Open: An International Standard for Process Simulation

Although current process simulators contain an extensive library of thermodynamic models and unit operations, they do not contain many new, complicated, or lesser known models. For many companies, particularly those in the petrochemical refining industry, it is very important to…

Engineering Practice: Accurate Wetted Areas For Partially Filled Vessels  

This article introduces a simple yet accurate way to calculate the wetted surface area of a partially filled horizontal vessel with semi-elliptical heads. This information is often needed for the sizing of relief devices. API Recommended Practice 521 specifies that…

Focus On: Gas Detection  

A gas analyzer suitable for hazardous areas Now approved by ATEX and CSA-C/US certifications, the X-Stream flameproof process gas analyzer is suitable for Class I, Zone 1 and Group IIB + H 2 hazardous areas without the need for pressurization…

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Solids Processing: Weighing Your Options — The 10 Most Important Scale Considerations

Scales are available in a dizzying array of types and sizes to suit different needs. Although it’s easy to default to price in order to eliminate the tedious task of researching your options, a basic knowledge of these ten key…