A global DDoS attack has been intermittently affecting many websites globally. You may not have a problem accessing AIChE's sites, but in case you do, please contact Customer Service during normal business hours.


A process by which the level of fluoride in water is reduced to prevent mottling of teeth or fluorosis in consumers. Either activated alumina or bone charcoal is used in the process.

Go to Process Safety Glossary

Download the app: iTunes | Google