I D
× COMMENTARYCOVER STORYIN THE NEWSNEWSFRONTSCHEMENTATOR + Show More BUSINESS NEWSTECHNICAL & PRACTICALFEATURE REPORTFACTS AT YOUR FINGERTIPSTECHNOLOGY PROFILEEQUIPMENT & SERVICESFOCUSNEW PRODUCTS + Show More

Comment Europe

Wood-supported catalyst safely keeps fruit fresh

By Gerald Ondrey |

Ethylene is a multifunctional phytohormone that regulates growth, ripening and other functions in plants. For example, bananas stored next to apples will ripen quickly due to the ethylene released from the apples, which in turn are triggered to release more ethylene. This can cause a loss of food in the entire supply chain, from importer to the wholesale and retailer. To counteract the accelerated ripening process, ethylene must be kept away from fruits and vegetables. For this purpose, researchers from the Swiss Federal Laboratories for Materials Science and Technology (Empa; Dübendorf; www.empa.ch) and ETH Zurich (www.ethz.ch) are developing a new catalyst that degrades ethylene, released by fruits and vegetables, into water and CO2. The concept is based on a catalyst support made of delignified wood, which is then enriched with a platinum catalyst that is dispersed at an atomic level. Empa[/caption] Wood consists of three basic substances: cellulose, hemicellulose and lignin. The researchers used a protocol developed in the Wood Materials Science professorship at ETH Zurich and Empa, and dissolved with the help of an acid solution both lignin, wood’s binding substance, and a part of the hemicelluloses. This makes the remaining…
Related Content
This gold catalyst improves CO2 reduction
Researchers from the Korea Advanced Institute of Science and Technology (KAIST; Daejeon; www.kaist.ac.kr) have developed a three-dimensional (3D) hierarchically porous…

ABB

The Big 6 level measurement technologies: Where to use them and why

WHITE PAPER — The Big 6 level measurement technologies: Where to use them and why Anyone who’s ever worn a tool belt knows that sometimes you have to use a tool for something it’s not designed to do. If you don’t happen to have a hammer, a heavy…

Chemical Engineering publishes FREE eletters that bring our original content to our readers in an easily accessible email format about once a week.
Subscribe Now
Securing the availability of chemical processes through a long-term partnership
Metering gas in biogas plants
The Big 6 level measurement technologies: Where to use them and why
Minimizing particle breakage and mother liquor residue in technical salts production
Expectations are shifting: How measurement solutions can help overcome chemical industry challenges

View More