Steam is commonly used in the chemical process industries (CPI) for process heating, power generation, atomization, cleaning and sterilization, moisturization and humidification, among other applications. This one-page reference provides a refresher for key concepts related to steam. Pressure-temperature relation The…
From initial conceptualization to final calculation, designing compressors requires not only engineering intuition and robust simulation tools, but also a bit of creativity As technology has evolved, so has the refrigeration industry. What were once holes in the ground filled…
Mixing and blending of bulk solids is common in pharmaceutical and food manufacturing, specialty chemicals, explosives, fertilizers, glass and ceramics, detergents and resin industries. This column provides information on batch versus continuous blending mechanisms. Batch versus continuous Batch blending processes…
Some practical tips regarding the design and fabrication of piping systems and equipment for high-purity applications are presented here Chemical processing, and the chemical process industries (CPI) on the whole, have evolved lightyears beyond their very beginnings — beginnings in…
Companies need more creative ways to deal with complex and ever-changing market and technical challenges Low natural gas prices and high global demand for hydrocarbon-based chemicals have resulted in resurgence in the construction of new and existing chemical process…
Proper gas sampling is essential to meet operating and regulatory objectives Flares are used extensively in chemical process industries (CPI) facilities and petroleum refineries, to combust flammable hazardous gases. When designed and operated properly, they provide a proven mechanism to…
This column is based on “Ethylene glycol production from Syngas - Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/ethylene-glycol-production-cost. Ethylene glycol, also known as monoethylene glycol (MEG), is a major chemical commodity, widely used in…
Whether to remove solid contaminants from a liquid or separate a solid product from a solvent, solid-liquid (S-L) separation is a common unit operation across the chemical process industries (CPI). This one-page reference provides an overview of S-L separation methods,…
A better understanding of what pressure instruments do and how they work can help improve measurement performance, especially in troublesome applications Effective use of process instrumentation is critical in any chemical manufacturing environment. These instruments are strategically located throughout various…
Users should consider both options when selecting a DP device. Understanding the differences can help make the decision for a given set of process conditions Differential pressure (DP) measurements are used in many branches of the chemical process industries (CPI)…