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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…

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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…

Tailgas Considerations for Biogas Upgrading

Thermal oxidation is used to destroy tailgas from biogas-upgrading facilities. Presented here are guidelines for selecting the proper method With the evolving economics of renewable energy credits comes increased interest in biogas-upgrading facilities. Renewable natural gas (RNG) plants are being…

Considerations for Industrial Gas Purification

Purity requirements and gas properties require different methods for the purification of industrial gases. Provided here are key considerations for selecting gas purification technology Industrial gases are critical for a wide range of applications throughout the chemical process industries (CPI).…

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.…

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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…

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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…

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…

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Selecting, Handling and Maintaining IBCs

A number of factors are involved in selecting the right intermediate bulk container (IBC). An overview is presented here An intermediate bulk container (IBC) is a large package for transporting chemicals into a plant or products from the plant. IBCs…

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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…