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A skid-mounted RO system for high-purity water production

Through its business unit Solys, this company launched the Sirion Pro range, a simplified version of the Sirion RO (reverse osmosis) range (photo). A compact, plug-and-play system that integrates Aquavista digital services, Sirion Pro offers more basic features — a…

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Controlling Reboilers Heated by Condensing Steam or Vapor

Methods for controlling reboilers in distillation towers are central to good reboiler operation and tower stability. Control valves can be located in the steam-inlet line or in the condensate-outlet line. This article updates guidance for key considerations and practices using…

Facts at your Fingertips: Cyclone Separators

Removing solids from a stream of air or other gases is an important operation across virtually all sectors of the chemical process industries (CPI). In many cases, gas-solid separation is motivated by the need to reduce environmental impact and health…

Low-maintenance, heavy-duty flexible conveyors

The new Flexifeeder line of flexible screw conveyors (photo) offers expanded capability with less frequent maintenance. Each Flexifeeder is matched to the individual user requirement, using both this company’s extensive installation database and complementary laboratory testing. The use of controlled…

Access and control flowmeters from a smartphone

Edge Flow Electronics (photo) interface with positive-displacement or turbine flowmeters to provide better access, understanding and control of processes — in some cases, from a smartphone. When installed on a flowmeter, Edge devices can force the sensor to output a…

A Simplified Approach to Crystallization Mass Balances

In continuous crystallization, it is often challenging to accurately measure mass flowrates, but the method described here enables a simpler path to a balanced crystallization process To gain optimal value from industrial crystallization processes, it is clear that understanding specific…

Seal Considerations to Reduce Fugitive Emissions

By understanding the basics of industry standards, such as API 682, plants can make great strides in controlling fugitive emissions related to equipment seals Chemicals that unintentionally leak from equipment into the atmosphere are known as fugitive emissions. These gases…

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Technology Profile: Isopropyl Alcohol Production from Acetone

This column is based on “Isopropyl Alcohol Production from Acetone – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/isopropyl-alcohol-production-cost. Isopropyl alcohol (also known as isopropanol or 2-propanol) is a colorless and flammable liquid with a…

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Owning Your Career: Taking a Hard Look at ‘Soft’ Skills

A personal development strategy helps to set engineers up for success in their personal and professional lives As chemical engineers, we have been trained to be data-driven, fact-based problem-solvers. This focus serves us well when we are tackling difficult technical…

Siemens and Polenergia to collaborate on hydrogen-energy projects in Poland

Polish energy company Polenergia and Siemens Energy signed a letter of intent pertaining to cooperation related to industrial application of high-efficiency co-generation, as well as introduction of solutions that enable sustainable production and use of hydrogen. Both parties declare cooperation…