Resumen
The present invention describes a bifunctional material obtained from paper deinking slurries of the paper industry, with adsorbing characteristics thanks to the presence of active carbon, absorbers and neutralizers thanks to the presence of calcium oxide. The process of obtaining part of the pyrolysis of de-inking sludge produced in the process of making newsprint from recycled paper. The invention includes the use of bifunctional material in the purification and/or neutralization of acidic liquid or gaseous streams, and in particular applied to the control of environmental pollution (Machine-translation by Google Translate, not legally binding)