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More sustainable water management for mining

This company’s Process Water Recycling Plant (photo) is a fully automated standalone unit that enables recycling of process water from mining operations. The plant is specifically designed for concentrator plants, which dewater tailings and recycle the water back to the…

A conductivity meter designed especially for CIP systems

The CombiLyz conductivity meter (photo), with an accuracy of±1% and a measuring range of 500µS/cm to 1,000 mS/cm, together with robust temperature compensation, provides many important features for clean-in-place (CIP) systems. Where CIP systems require acids or alkalis, accurate measurement…

Air-conditioning vests improve comfort in extreme environments

Working in extreme environments can take a toll on workers, but these dual-action personal air conditioners (PACs; photo) keep workers comfortable in either hot or cold working conditions. PACs minimize heat stress and fatigue in elevated temperatures, or with simple…

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Facts at your Fingertips: Flow Measurement in Large Lines, Ducts and Stacks

Process industry plants install sophisticated air-pollution control systems, but they can be ineffective if the flowmeters on which they rely deliver inaccurate or unreliable data. This one-page reference provides information on measuring the flow of gaseous combustion products in large…

Connected Plant Conference Show Preview

The 2018 Connected Plant Conference (www.connectedplantconference.com) will take place February 26–28 in Charlotte, N.C. Focused on digitalization and connectivity trends in the chemical process industries (CPI), as well as the power-generation sector, the event’s technical program boasts speakers from a…

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Chemical Supply Chains Go Digital

When it comes to managing complex global supply chains, visibility and collaboration are the name of the game. To drive it, companies are embracing digital strategies The global chemical process industries (CPI) are undergoing a major transformation brought about by…

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Improvements in DP Level Measurement

Differential-pressure (DP) level measurements are widely used in chemical and petrochemical facilities, thanks to their reliability and ease of use. Recent advances are making them even more reliable and easy to use Differential pressure (DP) level-measurement technology (Figure 1) is…

Single-Use Gloves: Problems and Solutions

When wearing single-use protective gloves, sweat can create health and safety issues. Presented here is a look at the causes of the problems and possible solutions A great many situations across the chemical process industries (CPI) require quality hand protection,…

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Bubble-Cap Tray Vapor Turndown

The concept of tray stability can apply to bubble caps and be used as an alternative method to determine the minimum efficient capacity of these devices. A new stability correlation for bubble-cap trays is proposed and checked against FRI data…

Technology Profile: Cyclohexane Production from Benzene and Hydrogen

This column is based on “Cyclohexane from Benzene and Hydrogen – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/cyclohexane-production-cost. Cyclohexane is a relatively stable cycloalkane, present in crude oils in concentrations of 0.1–1.0%. This cycloparaffin…