Mobile Navigation

Feature Report

Member Exclusive

An Overview of Vacuum System Design

The design of vacuum systems deserves careful attention — there are multiple facets that affect efficiency, operability and cost Understanding vacuum and designing vacuum systems can be difficult, and there are many unique aspects that an engineer must take into…

Member Exclusive

Odor Issues and Solutions for Wastewater Treatment

Increasingly, wastewater treatment plants must address odors due to volatile contaminants. This guide provides an overview of odor causes and possible remedial actions Processes and applications that emit odor-causing air contaminants are common across many sectors of the chemical process…

Member Exclusive

Smart Water-Management Strategies: The Time is Now

Considering water-management strategies as a central component of infrastructure design at industrial facilities will unlock cost savings throughout the operation Mounting water shortages and resulting regulations across the globe are fueling the need for seamless and smarter water-management methods —…

Reboiler Circuit Debottleneck with No Hardware Changes

 With a thorough investigation and proper problem diagnosis, an entire gas plant limited by a deethanizer reboiler circuit was successfully debottlenecked This article describes a case study of a gas plant (designed by others) that was bottlenecked by the reboil…

Member Exclusive

Mixing: Impeller Performance in Stirred Tanks

Characterizing mixer impellers on the basis of power, flow, shear and efficiency Mixing has been defined as “the application of mechanical motion in order to create fluid dynamic effects that achieve a desired process result” [1]. The process result is…

Rupture Discs: Effectively Minimize Leaks and Emissions

When installing rupture discs, there are several mechanical and operational considerations for reducing the likelihood of leaks and fugitive emissions Overpressure relief systems consisting of rupture discs and relief valves are vital for preventing damage and injury within chemical processing…

Proper Sizing and Installation for Steam System Safety Valves

Successful operation of safety valves in steam systems requires careful adherence to established industry standards for installation and design One of the most critical safety devices in a steam system is the safety valve. Figure 1 is an illustration of…

Selection of Severe Service Valves

Severe service valves (SSVs) differ from general purpose valves in important ways. Presented here is guidance on how to increase service life, reduce costs and improve safety and environmental performance of SSVs Severe service valves (SSVs) are often identified by…

Member Exclusive

Practical Solutions to Modular Project Execution

Follow this guidance to improve results on capital projects The opportunities for modularizing industrial and chemical projects are growing at an amazing pace. Once considered a mitigation strategy only for projects in remote areas with harsh climatic conditions or a…

Member Exclusive

Storage Tanks: Heating and Cooling System Design

Various heating or cooling options are described here, along with the factors and design parameters that need to be considered. A sample calculation regarding coils is included Tanks constitute important equipment in the chemical process industries (CPI). Various types of…