Mobile Navigation

Technical & Practical

Prevent Explosions During Transfer Of Powders Into Flammable Solvents

Click here for full pdf version of this article - includes all graphs, charts, tables, and author information   Explosion prevention must be a primary objective wherever the process of transferring powders into flammable solvents is utilized, irrelevant of the…

Member Exclusive

Dry Screening: Sorting Out The Basic Concepts

    The screening process has always been the workhorse for solid-solid separation in chemical, pharmaceutical, food, mineral processing, coal and agricultural sectors. It can be done in dry or wet mode depending on the state of the feed and…

Member Exclusive

Selecting a Positive Displacement Pump

The need to reduce production costs and optimize energy consumption makes proper pump selection more important than ever. Understanding basic pumping principles and the fluid characteristics for a given application is the starting point for selection  It has been said…

Causes and Prevention of Packing Fires

    Most columns shut down without fires. Yet most refineries and chemical plants at some time or another have experienced spontaneous or hot work ignitions in at least one column. When this occurs inside a column during or after…

Emergency Pressure Relief For External Fire Scenarios

Emergency pressure relief is a dynamic event with rapidly changing physical properties. Available utilities aren’t always capable of handling the complex calculations commonly needed in the CPI. A simplified calculation technique is presented to address the issue of valve sizing…

Member Exclusive

Nanoparticles:Mild Dispersion

    As the nanoparticle market continues to swell, expertise is surfacing about nanoparticle grinding and dispersion processes. A grinding solution (wet grinding with agitator bead mills) achieves the production of nanoparticles with an average fineness of 40–100 nanometers (nm).…

Member Exclusive

Piping Design, Part 3 – Design Elements

    Piping design is the job of configuring the physical aspects of pipe and components in an effort to conform with piping and instrumentation diagrams (P&IDs), fluid-service requirements, associated material specifications, equipment-data sheets, and current good manufacturing practices (GMP)…

Member Exclusive

A New Approach to Corrosion Monitoring

    Most assets depreciate, losing value over time as a result of wear and tear, age, or obsolescence. Corrosion, like depreciation, results in the often hidden cost of a non-cash expense — measurable in terms of reduced operating life…

Member Exclusive

Energy Management: Consider Supply And Demand

    It's no secret that the chemical process industries (CPI) are being significantly impacted by the recent increases in energy costs. According to the U.S. Department of Energy, the CPI's percentage of total operating costs that are attributable to…

Energy Efficiency: Optimizing the Air-Power Equation

In your energy efficiency programs, don't overlook air-pollution control and ventilation systems, which account for more than 25% of CPI energy consumption on average  The cost to power fans and ventilators in the chemical process industries (CPI) is a significant…