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Determination The Effect of ZnO on Iraqi Bentonite Surface Properties | ||
| Baghdad Science Journal | ||
| Article 1, Volume 10, Issue 3, 2013, Pages 1034-1040 | ||
| Authors | ||
| Zahra A.K.AL-Asadi; ; | ||
| Abstract | ||
| Bentonite is widely used in industrial applications. The present study reports the effect of adding different weights of ZnO to the Iraqi bentonite, on surface area, pore volume and real density. These surface properties were evaluated for pure and modified bentonite. The modification was made by adding different ZnO weights such as; ( 0.5%, 1%, 5%, 10% ). The effect of heat exposing for all modified clay samples at 500 οC have been also evaluated. The results show that the addition of 0.5% ZnO leads to increase the surface area percentage about 36%, increase pore volume percentage about 5.48% and increase the real density percentage about 27.116%. When the samples exposed to 500 οC, their surface area and pore volumes have been decreased and the real density increased in compared with non-heat exposed samples. | ||
| Keywords | ||
| Bentonite; Modified clay; Surface area; Pore volume; Real density | ||
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