1. A fast method for recycling fly ash: microwave-assisted zeolite synthesis
- Author
-
Querol, Xavier, Alastuey, Andres, Lopez-Soler, Angel, Plana, Felicia, Andres, Jose M., Juan, Roberto, Ferrer, Pedro, and Ruiz, Carmen R.
- Subjects
Fly ash -- Research ,Zeolites -- Research ,Recycling (Waste, etc.) -- Research ,Microwave heating -- Research ,Environmental issues ,Science and technology - Abstract
The synthesis of zeolites through microwave-assisted hydrothermal alkaline activation processes allows for a faster recycling of fly ash. Although both the microwave and conventional methods of zeolite synthesis yield the same products, the dissolution of silica and aluminium is faster in microwave-assisted zeolite synthesis. The method hastens the conversion of of synthesized zeolites such as NaPl, KM-phillipsite, and F linde zeolites since the high retention capacities of NH+4 are reached after just a few minutes.
- Published
- 1997