Chemical Engineering
Nickel-based catalyst could allow recycling of mixed polyolefin waste
Among the major challenges facing efforts to chemically recycle common waste plastics is that many methods require a pure stream of a single type of polymer to be effective. Now, researchers at Northwestern University (NU; Evanston, Ill.; www.northwestern.edu), led by…
Modern SIS: Balancing Safety with Process Availability
Advanced safety-instrumented system features minimize complexity, downtime and costs Chemical process plants must be vigilant when it comes to preventing accidents that have the potential to harm people, assets and the environment. While safety instrumented systems (SIS) reduce risks, they…
Facts At Your Fingertips: Determining RTD in Non-ideal CSTR Reactors
In continuous processes, the properties and quality of the products depend on the residence time of different feed substances, and feed materials may not spend the same amount of time in a reactor. When designing equipment for continuous processes, it…
Dispersing Powders into Liquids: The Role of Vacuum in Wetting
Effectively dispersing powders into liquids can be a challenge. Utilizing vacuum in the correct ways can help with wetting and dispersion When introducing powdered materials into liquids, the goal is always to achieve an air-free dispersion of solids in the…
CE Editorial Roundup Video: December 2025
Join the Chemical Engineering editorial team for a discussion of the December issue and what's to come from Chemical Engineering. https://youtu.be/El3wzgl9hds
Toyo Engineering’s process technology selected for Kazakhstan’s first urea plant
Toyo Engineering Corp. (Tokyo) announced that its proprietary urea granulation technology has been selected for Kazakhstan's first-ever urea plant project planned by KazAzot Prime LLP, a chemical fertilizer manufacturing company. Under this project, TOYO will serve as the licensor of…
Uniper and thyssenkrupp Uhde sign framework agreement for ammonia cracking technology
Thyssenkrupp Uhde GmbH (Dortmund, Germany) and Uniper SE (Düsseldorf, Germany) have signed a framework agreement that lays the foundation for the construction of commercial ammonia cracking plants. Uniper has secured license packages for the use of thyssenkrupp Uhde’s ammonia cracking…
Dangote selects Honeywell technologies for upgrade project at Africa’s largest petroleum refinery
Dangote Petroleum Refinery and Petrochemicals FZE has selected Honeywell International, Inc. (Charlotte, N.C.) to supply advanced technology, services, proprietary catalysts and equipment to help enable the refinery to process a wider range of crude and double the production capacity at…
BASF launches high-performance dispersant production line in Nanjing, China
BASF SE (Ludwigshafen, Germany) has officially commissioned its high-performance dispersant production line at the Jiangbei New Material Technology Park, Nanjing, China. This investment enables local production of the most advanced dispersants using Controlled Free Radical Polymerization (CFRP) technology. The overall…
Recently Published Books for the CPI: November 2025
The following are recently published, first-edition books with possible relevance to various parts of the chemical process industries (CPI): Gas-Solid Adsorption Thermodynamics. Edited by Bidyut B. Raha, Tahmid H. Rupam and Hongbin Ma, Elsevier Science, 2025, 352 pages, $188.00. High-Entropy…