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Processing & Handling

Optimizing Vapor Recovery from Storage Tanks

Light hydrocarbons in storage tanks can vaporize and vent to the atmosphere, creating harmful emissions. An optimized vapor-recovery unit can effectively and economically reduce such emissions In the chemicals, petroleum refining and natural gas industries, storage vessels are used to…

Large-scale production of insect proteins from waste

Agronutris (Saint Orens de Gameville, France; www.agronutris.com) has selected Bühler AG (Uzwil, Switzerland; www.buhlergroup.com) as its process-solution provider for its first commercial-scale black-soldier-fly plant. Bühler will deliver a full-scope solution for the facility, which will be built in Rethel, France.…

An electrochemical process for producing and recycling VRFB electrolytes

Electrochem Technologies & Materials Inc. (Montreal, Canada; www.electrochem-technologies.com) has recently patented its process for the production and recycling of all vanadium electrolytes (VE) used in vanadium redox flow batteries (VRFBs). This electrochemical technology offers a sound and profitable alternative to…

A more sustainable alternative for producing egg-white protein

Egg white is one of the most important protein ingredients for the food industry, with a market of 1.6-million ton/yr in 2020 and projected to grow in the future. Searching for sustainable alternatives to animal-based proteins has been of growing…

Demonstration plant will convert waste biomass into emissions-free hydrogen

A new demonstration plant near Bakersfield, Calif. will produce carbon-negative “green” H2 from woody biomass waste, such as agricultural residues from orchard trees and walnut shells. Developed by Mote, Inc. (Los Angeles, Calif.; www.motehydrogen.com), with engineering partners Fluor Corp. (Irving,…

Linde Engineering to Build 24-MW PEM Electrolyzer Plant for Yara

Linde Engineering (Pullach, Germany) has signed an agreement with Yara ASA (Oslo, Norway) for the construction and delivery of a 24-MW green hydrogen plant. In December 2021, Yara was granted funding for the development of the initial plant by Enova.…

Stamicarbon awarded licensing and equipment-supply contract for two urea plants in China

Stamicarbon BV (Sittard, the Netherlands), the innovation and license company of Maire Tecnimont S.p.A. (Rome, Italy; www.mairetecnimont.com), has been awarded a licensing and equipment supply contract for two Ultra-Low Energy grassroots urea plants in the People’s Republic of China. The…

thyssenkrupp to install 200-MW ‘green’ hydrogen facility for Shell in port of Rotterdam

Thyssenkrupp Uhde Chlorine Engineers GmbH, Dortmund, Germany has signed a supply contract with Shell for the large-scale project ‘Hydrogen Holland I’ in the port of Rotterdam, the Netherlands. Under the contract, thyssenkrupp Uhde Chlorine Engineers will engineer, procure and fabricate…

Layered catalyst selectively generates two-carbon compounds from CO2

Copper-catalyzed electrochemical reduction offers a path for making valuable chemicals, such as ethanol or ethylene, from CO2. However, selectively generating sufficient yields of two-carbon products requires precise manipulation of the microenvironment near the surface to control reaction activity and product…

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Bifunctional catalyst enables economically viable production of bio-based acrylates

The prospects for a bio-based route to acrylates (diagram) received a significant boost recently, when startup company Låkril Technologies Corp. (Chicago, Ill.; www.lakril.com) licensed technology from the laboratory of Paul Dauenhauer at the University of Minnesota (Minneapolis, Minn.; twin-cities.umn.edu). Dauenhauer…