Technical & Practical
Operations & Maintenance: Technology and Scheduling: The Perfect Chemistry
By utilizing efficient scheduling software, companies in the CPI can improve enterprise agility and compliance In the fast-paced and ever-changing world of chemical processing, companies are constantly trying to keep up with the latest technology, while at the same time…
Avoiding Seal Failure
Seals are assemblies of elements that prevent the passage of a solid, liquid, gas or vapor from one system to another. When a seal allows leakage of material, failure has occurred. This guide provides an overview of common seal types…
Feature Report: Green Engineering and the Design of Chemical Processes and Products
Chemical products and processes make modern life possible. The systems that provide housing, transportation, health care, and food for billions of people rely on chemical products, but as demand for these essential materials grows, the environmental impacts of the products…
Feature Report: The Role of Chemical Engineers in Green Engineering
What we can do to support its goals Green engineering, as explained by chemists and bio-scientists, includes production of energy and materials from "green" feedstocks, such as biomass and microorganisms, with the intent of reducing energy, waste, greenhouse gases (GHGs)…
Feature Report: Advances in Valve Position Monitoring
Demanding application requirements coupled with improved downstream control devices and enhanced instrument diagnostics have led to major changes in process-valve monitoring and control. Factors driving these changes in the chemical process industries (CPI) include the need for lower plant operating…
Engineering Practice: CAPE-Open: An International Standard for Process Simulation
Although current process simulators contain an extensive library of thermodynamic models and unit operations, they do not contain many new, complicated, or lesser known models. For many companies, particularly those in the petrochemical refining industry, it is very important to…
Engineering Practice: Accurate Wetted Areas For Partially Filled Vessels
This article introduces a simple yet accurate way to calculate the wetted surface area of a partially filled horizontal vessel with semi-elliptical heads. This information is often needed for the sizing of relief devices. API Recommended Practice 521 specifies that…
Solids Processing: Weighing Your Options — The 10 Most Important Scale Considerations
Scales are available in a dizzying array of types and sizes to suit different needs. Although it’s easy to default to price in order to eliminate the tedious task of researching your options, a basic knowledge of these ten key…
Managing Material Safety Data Sheets in the Workplace
To ensure the health and safety of workers, the U.S. Occupational Safety and Health Administration (OSHA) adopted the Hazard Communication Standard (HCS) in 1983. Initially designed to protect workers in the manufacturing sector, the HCS was expanded in 1987 to…
Going Wireless
As the chemical process industries (CPI) make the transition from communication protocols and systems that are cable-ready to those that are wireless, the conversation is changing. On the plant floor and in the executive suite, terms such as mesh network…