The Use of Water Treatment Sludge Containing Clay with Adsorbed Copper and Nickel Ions in the Production of Ceramic Bricks

Abstract

The paper presents the results of research on the use of water treatment sludge, which is formed during the processing of model copper and nickel containing water by activated clays as an additive in the manufacture of ceramic products. It was found that with the addition of sludge, the compressive strength of experimental samples increases from 1.8 to 2.5 MPa. The results of bio testing using Daphnia magna Straus crustaceans showed that the aqueous extract does not have an acute toxic effect on the test objects.