... 0.1 g of magnetic chitosan nanoparticles were equilibrated with
50 mL of solution containing various amount of Cr(VI). The pH value
of solutions was adjusted by using diluted solution of NaOH ... Magnetic chitosan nanoparticles for removal of Cr(VI) from aqueous solution
Nguyen Ngoc Thinh
a
, Pham Thi Bich Hanh
b
, Le Thi Thanh ... Cr(VI)
concentrati...
... mg/L (Left) and 250
mg/L (Right))
Removal of cadmium from aqueous solutions
For estimating the removal rate, time courses of cadmium concentration in aqueous
solution and calculated amount adsorbed ... charcoals, the removal capacity of cadmium from aqueous solution was investigated. As a
result, high removal capacity under low concentration of cadmium was ob...
... the
focus of many investigations on the removal of heavy metals from
aqueous solutions [11–15].
Chitosan has excellent properties for the adsorption of metal ions,
principally due to the presence of ... application for removal
of Pb(II) and Ni(II) from aqueous solution
Hoang Vinh Tran
a
, Lam Dai Tran
b,
⁎
, Thinh Ngoc Nguyen
a
a
Faculty of Chemical Technology,...
... 60
Time(min)
[Cr(VI)] / [Cr(VI)]
0
Cr(VI) = 1.0 mg/l
Cr(VI) = 2.0 mg/l
Cr(VI) = 3.0 mg/l
Cr(VI) = 4.0 mg/l
Cr(VI) = 5.0 mg/l
Fig. 3. Effect of initial Cr(VI) concentration on the
rate of Cr(VI) removal ... 3 shows the results of effect of initial
Cr(VI) concentration on the rate of Cr(VI)
removal with the initial Cr(VI) concentration
from 1.0 mg/l to 5...
... Pre-operative photo of the lipomatous formation
with the tattoo.
Figure 2 Four months post-operative result.
DISCUSSION AND CONCLUSIONS
No similar case of surgical removal of lipoma
from an area ... meet the need of our
patient of removing the lipomatous formation while
keeping the tattoo intact, during the surgical treat -
ment of the lipoma, we followed the exact...
... 70.19m²/g, pore volume of 0.00062cm
3
/g and pore
size of 126Å.
Preparation of AC-Fe
AC from coconut shell was taken from MAPECOH, Inc (Philippines) with a particle
size of 0.45-0.71mm after ... is one of the most important parameters to look at in
column study for arsenic removal by sequential combination of LA and AC-Fe. In
Figure 10, at flow rate of 5mL/min or...
... usability of untreated rice husk packed in glass
columns (2 cm x 30 cm) for the removal of As[III] and As[V]. Lee et al. (1999)
reported the removal of 80% arsenate from highly concentrated solutions ... percentage removal was maximum in the pH range of 5–7 for
As[V] and pH range of 9–11 for As[III].
0
0.2
0.4
0.6
0.8
1
050100
Time, h
C/Co
pH 5 pH 7 pH 9
Fig. 2...
... Journal of Applied Chemical Research, 7, 4, 51-62 (2013)
Journal of
Applied
Chemical
Research
www.jacr.kiau.ac.ir
Removal of Basic Blue 159 from Aqueous Solution Using
Banana ... (2013)
56
Effect of the mass of adsorbent
The removal of BB159 by banana peel were
studied by changing the quantities of sorbents (0.2,
0.4, 0.6 and 0.8g) for the initial dye concentra...
... the
cleavage rate of MMC from the chitosan nanoparticles.
It is also worth noting that the release profiles show a
pH dependence. The higher the medium pH, the faster
the release of MMC from the NPs. ... 5.0) with sodium
hydroxide solution (1 M); 16.7 ml of STPP solution (2.5
mg/ml) was slowly added to the chitosan solution under
intensive stirring.; then 10 ml of aqu...
... Results of differentfiltersforCameramanimage.(a)OutputofSMF.(b)OutputofPSMF.(c)OutputofAMF.(d)OutputofDBA.
(e) Output of REMF. (f) Output of PA. Row 1–Row 3 show processed results of various filters for ... Results of different filters for Lena image. (a) Output of SMF. (b) Output of PSMF. (c) Output of AMF. (d) Output of DBA. (e)
Output of REMF. (f) Output of PA. Row 1–R...