activated carbon adsorption from solutions

... the adsorption of colour on DP activated carbon takes place as monolayer adsorption on a surface that is homogeneous in adsorption affinity [24] By comparing the adsorption capacity of DP activated ... 50.0 g L−1 of activated carbon; remove up to 86% of COD and 63% of NH4+-N Kurniawan and Lo [11] reported that granular activated carbon adsorption alone could remove about 60% of COD from leachate ... produce activated carbon from alternative material that is cheaper, renewable and readily available In recent years, focus has been given on the preparation of low cost activated carbon from agricultural...

Ngày tải lên: 05/09/2013, 16:10

... Adsorption Isotherms 146 3.2.1 Classification of Adsorption from Solutions 148 3.2.2 Adsorption from Dilute Solutions 148 3.2.2.1 Potential Theory of Adsorption from Dilute Solutions ... Carbon Adsorption in Nuclear Technology 277 5.4 Activated Carbon Adsorption in Vacuum Technology 279 5.5 Medicinal Applications of Activated Carbon Adsorption 279 5.6 Activated Carbon Adsorption ... .325 6.4 Activated Carbon Adsorption of Mercury 326 6.5 Adsorptive Removal of Cadmium from Aqueous Solutions .335 6.6 Activated Carbon Adsorption of Cobalt from Aqueous Solutions...

Ngày tải lên: 11/03/2014, 23:35

... the process kinetics of adsorption From equation (1), the use of n=1 from calculation and the assumption in section 3.1 (adsorption equilibrium), gives the overall rate of adsorption/ de-sorption ... remove arsenic from groundwater for ready applicability in rural areas, especially in developing and poor countries This work aims to study the adsorption column for removal of arsenic from synthetic ... groundwater are shown in Table as referred from previous work (Lien et al., 2005) Arsenic stock solution The stock solutions of As(III) were prepared from As(III) standard solution of 1003mg/L...

Ngày tải lên: 05/09/2013, 09:38

... a granular activated carbon biofilm reactor Appl Microbiol Biotechnol 52, 722-729 De Walle F B and Chian E S K (1977) Biological regeneration of powdered activated carbon added to activated sludge ... powdered activated carbon Water Research 13, 1225-1231 Xiaojian Z., Zhansheng W., and Xiasheng G (1991) Simple combination of biodegradation and carbon adsorption- the mechanism of the biological activated ... of PAC Although the adsorption of DOM with molecular weight ranging from 50,000 to 300,000 Da decreased the adsorption capacity of PAC in the aeration tank for 3,5-DCP, the adsorption capacity...

Ngày tải lên: 05/09/2013, 08:40

... morphology and composition of activated carbon RESULTS AND DISCUSSION 3.1 BET Surface Area of Activated Carbon Some studies concerning the preparation of activated carbon from oil palm shells with ... controller Textural Characteristics of Activated Carbons 2.4 Characterization of the Activated Carbons 2.4.1 96 Nitrogen adsorption studies The determination of the adsorption- desorption nitrogen isotherms ... morphology of activated carbon determined by the SEM-EDX clearly showed that the activated carbon was full of cavities Some Zn metals were found at the surface of the activated carbon ACKNOWLEDGMENT...

Ngày tải lên: 07/08/2014, 14:20

... of a granular activated carbon In a granular activated carbon contact basin, virgin carbon is domestic activated carbon made from palm shell, reactivated carbon means activated carbon produced ... facilities, and spent carbon is activated carbon used for over years The specification of three carbons are expressed in Table Table The specification of activated carbons Spent* Reactivated** Virgin** ... the minimum fluidization between spent and reactivated carbon results from the height of an activated- carbon layer and the condition of activated carbon, etc Also, backwashing at the LL water...

Ngày tải lên: 05/09/2013, 08:40

... Propagation Theory Dye Adsorption by Activated Carbon, Ind Eng Chem Res 1998, 37, 253-257 [7] Walker, G and Weatherley, L Adsorption of Acid Dyes on to Granular Activated Carbon in Fixed Beds, ... contact of dye solution with carbon particles In order to prevent carbon leakage or attrition, glass wool was added above and under the activated carbon bed Before the adsorption test commenced, ... Mathialagan, T and Viraraghavan, T Adsorption of Cadmium from Aqueous Solution by Perlite, J Hazardous Materials B 2002, 94, 291-303 [10] Perrich, J.R Activated carbon adsorption for wastewater treatment...

Ngày tải lên: 05/09/2013, 16:11

... Alcohol From Molasses Acetic Acid (Glacial) Acetic Acid From Molasess Acetic Acid From Natural Gas Acetonapthone Acetone Acetylene Gas Acid Washed Granulated Activated Carbon Activated Carbon From ... Charcoal Carbon Black From Fertilizer Waste Carbon Brushes Carbon Dioxide Carbon Black Chloro Ethyl Caustic Soda Charcoal From Coconut Shell Carbon Monoxide Calcium Carbide Calcium Carbide From Limestone ... Acetic Acid (Glacial) Acetic Acid from Natural Gas Acetone Acetyelene Black Acrylic Copolymer Emulsion Activated Alumina Activated Calcium Carbonate Activated Carbon Activated Fuller Earth Aerosol...

Ngày tải lên: 22/03/2014, 14:20

... Advanced Study Institute on Carbon Nanotubes: From Basic Research to Nanotechnology Sozopol, Bulgaria 21-31 May 2005 A C.I.P Catalogue record for this book is available from the Library of Congress ... A Darabont ……… 53 PECVD growth of carbon nanotubes A Malesevic, A Vanhulsel and C Van Haesendonck ………… ……………55 v vi Carbon nanotubes growth and anchorage to carbon fibres Th Dikonimos Makris, ... …………………… … 65 A Grand Canonical Monte Carlo simulation study of carbon structural and adsorption properties of in-zeolite templated carbon nanostructures Th J Roussel, C Bichara and R J M Pellenq...

Ngày tải lên: 04/06/2014, 15:13

... reverse micelle technique following Ref Two solutions were prepared with low-disperse spherical Pd nanoparticles of 10 nm and nm diameters, determined from transmission electron microscope (TEM) ... concentration · 1014 cmÀ3 were used as substrates for electrophoretic deposition of Pd nanoparticles from colloid solutions at room temperature The shape of the electrophoretic cell was designed to create ... of 10 nm diameter with 10% dispersion Optical absoption spectra of Pd nanoparticles in colloidal solutions were measured on a split-beam photospectrometer at room temperature A typical spectrum...

Ngày tải lên: 22/06/2014, 18:20

... al., 2010) is superimposed a sharper peak The broad feature arises from amorphous carbon, and the sharper feature arises from carbon nanotubes The narrowing of the D-band of titaniawrapped SWCNT ... the remaining challenges in CNT/binder hybrid thin film technologies 198 Carbon Nanotubes - From Research to Applications Carbon nanotube/binder hybrid thin films To fabricate CNT/binder hybrid ... FWCNT/silane solutions on surface-modified model substrates (Han et al., 2009b) These results have important implications for the fabrication of highly transparent conductive films from CNTs and binder solutions...

Ngày tải lên: 29/06/2014, 13:20

... dioxygen adsorption, which is not much different from that before the dioxygen adsorption The electrons obtained by the dioxygen are mainly transferred from the neighboring carbon atoms The adsorption ... nanoribbons.22 Other carbon atoms away from the open-edge 30 Carbon Nanotubes - From Research to Applications and in the inner wall of the CNT not have a noticeable magnetic moment from our computational ... Dioxygen Adsorption and Dissociation on Nitrogen Doped Carbon Nanotubes from First Principles Simulation 35 CNT and on the open carbon- carbon sites The carbon atoms on the open-edge of the short CNT...

Ngày tải lên: 29/06/2014, 13:20

Ngày tải lên: 12/07/2014, 09:20

... the Sulfite Red S3B adsorption on activated carbon with initial solution concentrations of 20ppm and 40ppm a) Weight of activated carbon: ca 0,3gr b) Weight of activated carbon: ca 0,6gr Trang ... Procion Yellow HE-XL adsorption on activated carbon with initial solution concentrations of 20ppm and 40ppm a)Weight of activated carbon: ca 0,3gr b) Weight of activated carbon: ca 0,6gr a) b) ... of the Sulzol Blue R adsorption on activated carbon with initial solution concentrations of 20ppm and 40ppm a) Weight of activated carbon: ca 0,3gr b) Weight of activated carbon: ca 0,6gr NGHIÊN...

Ngày tải lên: 22/07/2014, 03:20

... properties of activated carbons Carbon, 37(8), 1323 –1332 Moreno-Castilla, C., Lopez-Ramon, M V & Carrasco-Marin, F (2000) Changes in surface chemistry of activated carbons by wet oxidation Carbon, ... and crystal sizes in turbostatic carbons Carbon, 1(1), 3–9 Noh, J S & Schwarz, J A (1990) Effect of HNO3 treatment on the surface acidity of activated carbons Carbon, 28(5), 675–682 Pradhan, B ... copper based activated carbon catalysts for methanol decomposition to hydrogen and carbon monoxide Fuel, 82(7), 755–763 Zhao, J., Liu, Z & Sun, D (2004) TPO-TPD study of an activated carbon- supported...

Ngày tải lên: 07/08/2014, 14:20

... = activated carbon, ZC = activated zeolite, MAC = 2.5% (w/w) Se /activated carbon, MAC2 = 5% (w/w) Se /activated carbon and MZC = 5% (w/w) Se /activated zeolite Preparation of Selenium-Doped Activated ... used without further purification Preparation of Selenium-Doped Activated Carbon 2.3 14 Preparation of MAC (2.5% w/w Se /Activated Carbon) A 1000 mg/l Se solution was prepared by dissolving 0.25 ... relatively expensive, we thus extend this research by preparing activated carbon (AC) doped with Se to produce a modified activated carbon (MAC) AC has been applied both in laboratories and industries...

Ngày tải lên: 07/08/2014, 14:20

... (b) PLS-DA scores plot showing the clustering of the GC-MS chromatograms from the aqueous extracts from skeletal muscle from mice treated with a PPARd agonist compared with control mice Circle, ... to be high in liver, colon, small intestine and keratinocytes [7] The receptor is activated by several 14- to 18-carboncontaining polyunsaturated fatty acids, including eicosanoids such as prostaglandin ... Medicine 2009, 1:115 http://genomemedicine.com/content/1/12/115 Genome Medicine 2009, mode from 100 to 1,350 m/z from to 14 minutes with a scan duration of 0.5 s and an interscan delay of 0.1 s The...

Ngày tải lên: 11/08/2014, 12:20

... Vol 13 No Bauer and Pannen Figure Carbon monoxide signal transduction pathways CO, carbon monoxide; HSF, heat shock factor; HSP, heat shock protein; MAPK, mitogenactivated protein kinase; NFκB, ... Acknowledgements Supported by grants from the Deutsche Forschungsgemeinschaft (DFG PA 533/3-2 and PA 533/4-1), from the Else-Kroener-Fresenius Stiftung (A68/06), and from the University of Saarland ... A for carbon monoxide and oxygen Clin Chem 1974, 20:83-84 Stewart RD: The effect of carbon monoxide on humans Annu Rev Pharmacol 1975, 15:409-423 Piantadosi CA: Biological chemistry of carbon...

Ngày tải lên: 13/08/2014, 16:20

... University of Manchester Do Duy Phai PhD Quantifying organic carbon fluxes from upland peat 21st March 2012 Present organic carbon fluxes from an upland peat catchment were quantified through measurement ... period from 1850 to 2000, globally, carbon flux from changes in land use and management released an estimated 156 Pg of C into the atmosphere (Houghton, 2003) Changes in rice paddies from drying ... Elga, Option 4, water purifier) Inorganic carbon stock solutions were prepared using 3.5 g sodium hydrogen carbonate (Shimadzu, Japan) and 4.41 g sodium carbonate (Shimadzu, Japan) in L of DIW...

Ngày tải lên: 31/08/2014, 20:46

... method use objects: the flocculation materials is aluminum Al2(SO4)3 percent, adsorption materials is adtivated carbon PAC, Microfiltration (commonly abbreviated to MF) to sterilize water of ... in many countries With this sterilize water Technique in this way brings outstanding advantages From these results, Research Department sees that this method is perfectly positive Additionally,...

Ngày tải lên: 25/11/2014, 11:51