Effect of Adding the Rice Husks Residues Remaining from Water Treatment to the Strength of Concrete Mixture Reaching to Zero Residues Level (ZRL


Authors : Mohammed Nsaif Abbas, Falih Hamzah Edan Al-Rubyei, Wael Shahadha Abdul Kareem.

Volume/Issue : Volume 4 - 2019, Issue 6 - June

Google Scholar : https://goo.gl/DF9R4u

Scribd : https://bit.ly/325rny5

The residues of wastewater treatment containing heavy metals in general and copper in particular, specifically treatment using the adsorption technique, are polluted to the environment. It must be disposed of quickly and safe because they still contain the polluted element and are often is very effective. The present paper aims to study the ability of reusing rice husks loaded with copper ions adsorbed from wastewater as an additive to concrete mixture to improve its performance by increasing the compressive strength. The rice husks were loaded with copper was added with a weight ratio ranging from 0.5 to 3% for the cement mixture of 1:2:4 (1 cement: 2 sand: 4 gravel) and water/cement ratio of 0.45. The compressive strength of concrete cubes prepared from reference concrete mixture, concrete mixture with additives of rice husks and rice husks loaded with copper were measured.

Keywords : Concrete, Copper Ions, Adsorption, Rice Husk and Zero Residue Level (ZRL).

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