Periods of reduced heat-transfer-fluid (HTF) system operation offer opportunities for mechanical integrity engineers to perform necessary maintenance. Here are suggestions for using the downtime for maintenance tasks. Safety These activities support ongoing safety of the HTF unit. Leak repairs. Repair…
This column is based on “Cumene from Benzene and RG Propylene (Zeolite Catalyst) – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/cumene-production-cost. Cumene (also known as isopropylbenzene) is an organic compound of the aromatic hydrocarbon…
Removing solids from a stream of air or other gases is an important operation across virtually all sectors of the chemical process industries (CPI). In many cases, gas-solid separation is motivated by the need to reduce environmental impact and health…
Methods for controlling reboilers in distillation towers are central to good reboiler operation and tower stability. Control valves can be located in the steam-inlet line or in the condensate-outlet line. This article updates guidance for key considerations and practices using…
This column is based on “Isopropyl Alcohol Production from Acetone – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/isopropyl-alcohol-production-cost. Isopropyl alcohol (also known as isopropanol or 2-propanol) is a colorless and flammable liquid with a…
A recently announced joint development agreement (JDA) between Enerkem Inc. (Montreal, Que.) and NOVA Chemicals (Calgary, Alta.) is aimed at developing recycling technology to allow difficult-to-recycle plastics (specifically #3–7 polymers), as well as other municipal solid waste (MSW), household waste…
A new electrochemical system that uses biomass-derived lignin to produce hydrogen has been developed by a team from the School of Energy and Chemical Engineering at the Ulsan National Institute of Science and Technology (Ulsan, South Korea; www.unist.ac.kr), led by…
The following recently published books may be of interest to chemical process industries (CPI) professionals: Smart Manufacturing: Applications and Case Studies. Edited by Masoud Soroush, Michael Baldea and Thomas Edgar, Elsevier Press, 2020, 525 pages, $200.00. Analytical Design of PID…
Key U.S. chemical industry metrics will be lower this year, according to the American Chemistry Council’s (ACC; Washington, D.C.; www.americanchemistry.com) Mid-Year 2020 Chemical Industry Situation and Outlook. Production volumes, shipments and capital spending will fall due to economic and business…
According to the American Chemistry Council (ACC; Washington, D.C.; www.americanchemstry.com), the U.S. Chemical Production Regional Index (U.S. CPRI) fell by 2.0 percent in May following a 2.7 percent decline in April and a 0.9 percent decline in March. During May,…