Technical & Practical
Facts at your Fingertips: Selecting Heat-Transfer Fluid Supplier
Lean workforces are the norm in current plant environments. In the context of heat exchange systems, the current situation amplifies the need to select a heat-transfer fluid supplier with the expertise and technical resources to handle non-routine circumstances. This one-page…
Controlling Dust through Pelletizing
Tumble-growth agglomeration can reduce dust in solids-handling processes. Here’s how it works Handling and processing bulk solids appears in nearly every industrial sector, from energy to agriculture. Dust is a ubiquitous and challenging issue when working with bulk solids, because…
Beyond Simple Mixing
Five different examples are presented in which specialty mixers are used to perform tasks more efficiently than conventional approaches Specialty mixers serve a vast range of applications throughout the chemical process industries (CPI). The approach to mixer selection invariably starts…
Liquid Mixing in Stirred Tanks
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…
How to design agitators for desired process response
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.…
Technology Profile: Epichlorohydrin Production from Propylene
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…
Facts At Your Fingertips: Surface-Mediated Heterogeneous Catalysis
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…
Cooling Towers: Water-Treatment Options Advance
Water-treatment programs for cooling towers have evolved in recent years, favoring non-phosphorus programs today. This article reviews the impact on water chemistry and operating reliability Cooling towers are a critical component of many industrial facilities. Cooling towers evaporate only pure…
Particle Size Characterization and Analysis
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…
A Concise Guide to IBCs
When properly selected and stored, intermediate bulk containers (IBCs) can be used to safely transport products in the chemical process industries Demand within the global market for rigid intermediate bulk containers (IBCs) has grown at a steady rate in recent…