Assessment of metal mobility in MSW incineration ashes using water as the reagent
Journal article, 2007

In this work, the methodology for quantification of water-soluble species in ash was evaluated by varying the parameters leaching time, liquid-to-solid ratio, and size reduction by grinding. The basis for the methodology is a modification of Tessier’s sequential extraction method. This work concentrated on fly ashes from combustion of MSW in a fluidised bed boiler, and generally the amounts of water-soluble forms of metals in the ashes were low. Longer leaching time generally reduced the amount of water-soluble metal detected, showing the importance of adsorption and re-precipitation processes. The effects of the L/S parameter and of grinding seem to be dependent on the characteristics of the ash matrix.

Author

Britt-Marie Steenari

Chalmers, Chemical and Biological Engineering, Environmental Inorganic Chemistry

Karin Karlfeldt Fedje

Chalmers, Chemical and Biological Engineering, Environmental Inorganic Chemistry

Fuel

0016-2361 (ISSN)

Vol. 86 1983-1993

Driving Forces

Sustainable development

Areas of Advance

Energy

Subject Categories

Chemical Sciences

DOI

10.1016/j.fuel.2006.12.011

More information

Latest update

3/4/2020 2