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UID:122@iem.umontpellier.fr
DTSTART;TZID=Europe/Paris:20240724T133000
DTEND;TZID=Europe/Paris:20240724T143000
DTSTAMP:20240722T122247Z
URL:https://iem.umontpellier.fr/events/conference-de-waye-zhang-22-7-2024/
SUMMARY:Conférence de Waye ZHANG - 24/7/2024 13:30
DESCRIPTION:Dr. Waye Zhang\nDepartment of Chemical Engineering\, Swansea Un
 iversity\, UK\nmercredi 24/7/2024 13:30 salle de conférence\n\nLow-cost c
 arbon electrodes and their applications: from desalination to emerging con
 taminants detection in water\nApproximately 90% of coffee grounds are wast
 ed\, creating hundreds of thousands of tonnes of waste coffee grounds (WCG
 ) per year. This has made WCG one of the most abundant type of food waste 
 that remains largely unexploited by industry. WCG contains a high volume o
 f carbon\, which can be first turned into porous and conductive carbon pow
 der through a modified carbonisation process and then mass produced into e
 lectrodes via high-volume screen-printing technique. This upcycling approa
 ch of electrode fabrication from near zero-cost and toxic WCG can contribu
 te to the long-term societal goal of circular economy. For example\, these
  low-cost food waste derived carbon electrodes can be applied in many envi
 ronmental technologies: 1) Capacitive deionisation (CDI): CDI is novel des
 alination technology\, which can remove a range of heavy metal contaminant
 s from water as well \; 2) Electrochemical sensor for emerging water conta
 minant detection: For water utility companies\, typical process to analyse
  these emerging water contaminants takes three days\, which requires the t
 ransportation of water samples to a lab\, and is also expensive (e.g. �2
 00 per sample) and labour intensive. WCG derived sensors can reduce this 
 time down to minutes and cost down to few pounds.
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CATEGORIES:Conférence
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