Low-cost, corrosion-resistant castings are being produced using epoxy and mineral aggregates Stainless steel, painted and plated cast-iron and steel structures are being replaced at a fraction of the cost with high-precision polymer castings (PPCs). PPCs can usually be cast to…
Knowing the options in fluid-circulation designs helps in the selection process Over the past few decades, hundreds of seal geometries and a fair number of seal categories have evolved. Recently, the distinction between single- and dual-mechanical seals has been brought…
Less "Balling" of Dry Powder with This Mixer Outfitted with three independent agitators, the Triple Action Disperser promises a low energy and fast method for mixing high-quality dry powders into liquid dispersions. Its design allows for a controllable vortex and…
By utilizing efficient scheduling software, companies in the CPI can improve enterprise agility and compliance In the fast-paced and ever-changing world of chemical processing, companies are constantly trying to keep up with the latest technology, while at the same time…
Plant Watch A new plant for crude-oil processing to be built in Italy December 10, 2007 — ABB has won a contract worth more than $86 million from Eni SpA to design and construct a new oil processing plant in…
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…
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…
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…
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…
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…