Polymers as additives used in modifying bentonite
have been investigated for improving the hydraulic performance of bentonite-rich barriers [11-16].
Purification of Bentonite
. The natural Jordanian bentonite
used in this study was collected from the airport region (Al Azraq).
However, all monitoring points were completely water-saturated after 29 days, which was close to the stabilization time of the swelling pressure of the bentonite
sample (see Figure 8(b)).
The animals were fed one of three diets; the control group received a concentrate mix and rice straw, the first treatment group (T1) received the control diets plus 0.1% bentonite
, the second treatment group (T2) received the control diets plus 0.3% bentonite
There are large numbers of clay minerals such as kaolin , montmorillonite [2, 3], bentonite
, clinoptilolite , smectite , sepiolite  and zeolite  that are widely used for the cost-effective removal of chemical pollutants from wastewater.
Each of four tests of phenolic waste water with initial concentration of tarry substances of 100, 200, 500 and 1000 of mg/[dm.sup.3] was subjected to pressure flotation with addition of both modifications bentonite
clay, absorbite and peat.
used in this study was mined at the site at Nkalagu, Nigeria (N: 6[degrees] 55' 12.7"; E: 6[degrees] 47' 34.3"; A: 156m), separated from dirt and sun-dried for 48 h.
The comparison of the major element composition of bentonites
with that of the silicate part of host rocks shows that bentonites
contain significantly more [Al.sub.2][O.sub.3] and less Si[O.sub.2] and Ti[O.sub.2] (Fig.
As far as bentonite
is concerned, the total world production of bentonite
has increased from 13.3 million tons in 2004  to 15.5 million tons in 2011  while Pakistan's annual production has increased from 6,154 tons in 2004  to 30,840 tons in 2011 .
Key Words: Sodium bentonite
; Serum characteristics; Feed; Broiler
The calcium bentonite
helps us by expelling these toxins.
HYDRAUL-EZ: Specially treated bentonite
drilling fluid designed for directional drilling.