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Technical & Practical

An Ounce of Prevention: Cybersecurity and the CPI

As the frequency and sophistication of industrial cyberattacks continue to rise, chemical companies can follow guidance from industry and government directives to help define their organization’s specific cyber-risk profile Cybersecurity risk is a key topic for all companies, due, in…

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Improve Energy Efficiency Using Heat Pumps

Heat pumps are an efficient way to provide space and process heating. Information on their types, and how to assess their potential benefits is provided here Approximately 40% of the energy that is used in buildings in the U.S. goes…

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Tower Doctor: Should the Doctor Believe a Flowmeter?

Henry Kister shares lessons learned from troubleshooting distillation towers Many cooling-water systems do not have flowmeters. This is a tale about a cooling-water flowmeter that made a difference. As a startup superintendent at ICI Australia in the late 1970s, the…

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A Primer on pH Measurement

Understanding the basic principles of operation and construction designs of glass membrane sensors can help in choosing the right pH sensor One of the most critical measurements in liquid chemical processing is pH. In this article, the importance of the…

Detecting and Preventing Spills and Leaks

Comprehensive planning, along with appropriate level-measurement technologies and safety instrumented systems, can empower plant personnel to significantly reduce the likelihood and severity of hazardous chemical spills In most industries that manufacture, use or store chemicals and other hazardous liquids, a…

Facts At Your Fingertips: Physical Gas-Separation Methods

Industrial gases are critical for a wide range of applications throughout the chemical process industries (CPI). Many of these gases must be separated from others, such as nitrogen from air, or hydrogen from natural gas using physical gas-separation techniques that…

Gas Trapping Can Unsettle Distillation Columns

Operational troubleshooting guidance is provided for several scenarios involving trapped non-condensable gases in distillation towers Non-condensable gases are often present in distillation towers, either expectedly or unexpectedly. When they do appear, or when the quantity of non-condensable gases varies from…

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Facts At Your Fingertips: Predictive Maintenance Methods

Predictive maintenance (PdM) programs can provide advanced warning of equipment problems and potential failures. This one-page reference provides brief descriptions of six common predictive maintenance methods. Infrared thermography Continuous monitoring of equipment temperature over time has the potential to identify…

Technology Profile: Production of EPDM Rubber

Ethylene propylene diene monomer (EPDM) rubber is a terpolymer elastomer derived from ethylene and propylene, along with small amounts of a non-conjugated diene as a third monomer (Figure 1). With a completely saturated polymer backbone, this random elastomeric copolymer exhibits…

An Overview of Synthetic Filter Media

Many factors impact the performance of synthetic filtration media, from thread and weave styles to drainage and coverage considerations Under the broad umbrella of filter media, there are many synthetic media materials, including woven filter cloths, woven and non-woven fabric…