Magnetic chitosan nanoparticles for removal of Cr(VI) from aqueous solution
Magnetic chitosan nanoparticles for removal of Cr(VI) from aqueous solution
... 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...
Ngày tải lên: 02/07/2014, 14:14
Removal of Cadmium from Aqueous Solutions by Charcoals Prepared from Giant Reed (Arundo donax)
... 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...
Ngày tải lên: 05/09/2013, 10:15
Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution
... 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,...
Ngày tải lên: 02/07/2014, 14:14
Báo cáo "Reseach on the removal of hexavalent chromium from aqueous solution by iron nanoparticles " doc
... 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...
Ngày tải lên: 14/03/2014, 10:20
Báo cáo y học: " Surgical Removal of lipoma from an area with tattooed skin"
... 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...
Ngày tải lên: 25/10/2012, 11:35
Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon
... 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...
Ngày tải lên: 05/09/2013, 09:38
Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon
... 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...
Ngày tải lên: 05/09/2013, 09:38
removal of basic blue 159 from aqueous solution using
... 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...
Ngày tải lên: 06/05/2014, 09:02
Báo cáo hóa học: " Both FA- and mPEG-conjugated chitosan nanoparticles for targeted cellular uptake and enhanced tumor tissue distribution" docx
... 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...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo sinh học: " Research Article A New Switching-Based Median Filtering Scheme and Algorithm for Removal of High-Density Salt and Pepper Noise in Images" pptx
... 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...
Ngày tải lên: 21/06/2014, 16:20