A method of quantifying mixing according to a mixing index is presented. This index can evaluate and predict mixing intensity related to fluid velocities in stirred tanks The stirred tank is one of the most common and versatile pieces of…
Effective agitation of fluids for blending and motion requires a detailed analysis of capacity, viscosity and dynamic response for the fluid system, in order to find power and shaft speed of the agitator and corresponding sized of the turbine impeller.…
The following list is a selection of recently published books with relevance for the chemical process industries (CPI), July 2019 Guidelines for Investigating Process Safety Incidents, 3rd ed. By the Center for Chemical Process Safety, Wiley/AIChE Publishing, 2019, 408 pages,…
This column is based on “Epichlorohydrin Production from Propylene – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/epichlorohydrin-production-cost. Epichlorohydrin, (also known as ECH and chloromethyloxirane), is an organochlorine compound and a highly reactive epoxide that…
Several methods and calculations are available for determining particle size and particle-size distribution. This article provides and overview on how to use them The behavior of particulate material is greatly dependent on its geometric properties, including particle size, shape and…
Heterogeneous catalysis in industrial processes involves a complicated set of physical and chemical phenomena that help lead to products. This one-page reference provides information about the formation of products in an industrial process using solid catalyst materials. Catalyst materials…
Orion Engineered Carbons S.A. (Houston; www.orioncarbons.com), a worldwide supplier of specialty and high-performance carbon black, today announced that it will expand its production capacity for gas blacks at its Cologne (Kalscheuren) plant, Germany. Orion is responding to the continuously growing…
INVISTA Performance Technologies (IPT; Wichita, Kan.; www.invista.com) and Koch-Glitsch (Wichita, Kan.; www.koch-glitsch.com), affiliates of Koch Industries Inc., announced today an expansion of their partnership to offer the proprietary ExoS technology to customers. The technology allows refineries to generate an olefin…
Minimizing Explosion Risk Where Other Solutions Cannot To run carbon disulfide recovery with the highest safety, a Chinese chemical company wanted to install a tunable diode laser (TDL) oxygen analyzer. But the line size of the pipe at the installation…
This article provides practical guidance for engineers and highlights the importance of combining mathematical skills, domain expertise and proper communications The role of mathematical models in chemical engineering keeps increasing, to the point that some engineers become specialized “modelers.” To…