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Facts at your Fingertips: Nucleation Phenomena in Crystallization

Industrial crystallization processes are widely used in the chemical process industries (CPI) for their ability to separate and purify products in a single step, often to greater than 99.9% purity. Crystal growth proceeds after nucleation, a molecular aggregation process whereby…

Focus on Maintenance Tools

Software determines when to maintenance RO systems This company has developed a new normalization software for analyzing reverse-osmosis (RO) equipment. PerforMem automatically imports system data from templates in standard process control systems and quickly normalizes even large volumes of data.…

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Technology Profile: Production of Vinyl Chloride Monomer

This column is based on “Vinyl Chloride Production from Ethylene and Chlorine – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/vinyl-chloride-production-cost. Vinyl chloride (also known as vinyl chloride monomer, VCM and chloroethene) is an organochloride…

COVID-19 Shutdowns Slash Demand for Refined Products

Demand for refined products has dropped sharply, challenging petroleum refineries with compressed margins, but a deal was struck on global production cuts The large-scale shutdown of economic activity related to the global pandemic response has caused demand for refined petroleum…

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Low-Cost Techniques for NOx Reduction

An understanding of the available NOx-reduction strategies will help engineers to select the best technique to improve the performance of their combustion processes Pollution due to oxides of nitrogen — frequently abbreviated as NOx — is regulated with varying degrees…

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Turning Up the Heat on Valve Train Safety

Despite their nearly universal use in industrial combustion processes, valve trains are not widely understood. Here are some guidelines to help ensure their safe and effective operation Does your manufacturing facility have a smoke stack? If it does, it also…

Wearable technologies: Wear it Well

Wearable technologies help chemical processors improve productivity and safety of workers Wearable technologies — cameras, tablets and other devices loaded with applications (apps) and software that can be attached to the body or personal protective equipment (PPE) — are catching…

Steam Quality Considerations

Steam often provides the majority of heat, but its quality is not always carefully managed. Here are some tips on how to improve and maintain steam quality Plant operations focus on production activity, maintaining tight control on process algorithms, feedstocks…

These metering pumps feature a very large turndown ratio

The Flexflow A1F peristaltic metering pump (photo) is designed for metering off-gassing chemicals, such as sodium hypochlorite and peracetic acid. The pump offers a smooth chemical feed without risk that it will overheat or lose its prime. Furthermore, the pumps…

A conveyor designed to handle hazardous materials

This company’s Tubular Chain Conveyor (photo) reliably contains dusty and hazardous materials, safeguarding workers at the same time as protecting the conveyed material from external influences. It is also resistant against internal pressure buildup and helps to contain propagating flame,…