Adsorption of aromatic organic acids onto high area activated

... 6.0 before autoclaving Pb and Cd speciation calculated by MINEQL for a total Pb/ Cd concentration of 1.0 mM b Measurement of Pb and Cd adsorption to natural bio®lms Pb and Cd adsorption isotherms ... isotherms, and Pb adsorption was almost an order of magnitude greater than that of Cd (Figs and 3) Extraction with NH2OHÁHCl and Na2S2O4 signi®cantly...

Ngày tải lên: 15/03/2014, 23:12

... ADSORPTION OF HALOGENATED ORGANIC MOLECULES AND PHOTO- INDUCED CONSTRUCTION OF A COVALENTLY BONDED SECOND ORGANIC LAYER ON SILICON SURFACES SHAO YANXIA (M.E., XI’AN JIAOTONG UNIVERSITY) A THESIS ... mechanism of unsaturated halogenated organic molecules on Si(100)-2×1 and Si(111)-7×7 surfaces On the basis of fundamental understanding o...

Ngày tải lên: 14/09/2015, 08:43

... carboxylate group and cysteine's amino group (Adapted from Biochemistry, Chapter 24, The biosynthesis of Amino Acids) Glutathione conjugation is one of the systems in the detoxification of many anticancer ... affecting the structure of the plasma membrane, the cytosolic pH, and the rates and extent of intracellular transport of membrane (Simon and Schind...

Ngày tải lên: 05/10/2015, 13:53

... with incubation time In other word, the adsorption capacity of PAC increased with increase in the amount of organic carbon on PAC The adsorption capacity of PAC after 4th incubation was almost the ... of organic carbon on PAC after each incubation Figure Figure shows the adsorption isotherm of new PAC, PAC in the aeration tank, and PAC after...

Ngày tải lên: 05/09/2013, 08:40

... certain amount of a compound of interest ADSORPTION OF ORGANIC COMPOUNDS 13.7 from a mixture of adsorbable compounds is greater than if adsorption occurs without competition, because part of the adsorbent’s ... during adsorption Adsorption Kinetics Transport Mechanisms Removal of organic compounds by physical adsorption on porous adsorbents involves a number of...

Ngày tải lên: 14/02/2014, 03:20

... Conclusions Plant uptake of Cd from the Cd treatments with increasing concentration of organic acids seems to be the resultant of the interactions of Cd with organic ligands resulting in the formation of ... Prakash S and Srivastava M M 1999c Chromium mobilization and plant availability – the impact of organic complexation ligands Plant Soil 212, 20...

Ngày tải lên: 15/03/2014, 23:22

... day after the evaporation of THAP on the surface exhibit the same random adsorption of the THAP molecules on the surface This suggests that even after a significant amount of time for diffusion ... in the case of PQ adsorbed on Si(0 1) In summary, we presented here a novel approach to form 1D organic structures based on the adsorption of organ...

Ngày tải lên: 16/03/2014, 15:35

... three subtropical forests in a region of South China under high air pollution, to investigate how deposited N is processed and examined the importance of DON in N budget The precipitation DIN input ... measurements but including also analysis of dissolved organic N (DON) input in bulk and wet-only precipitation 4138 BGD 4, 4135–4171, 2007 Input- output...

Ngày tải lên: 23/03/2014, 00:20

... crossed over Mexico City and/or intercepted plumes downwind (northeast) of the city Flight (19 March, shown in green) will be discussed in the context of transport of the Mexico City plume Figure ... altitude upon return into the MCMA The higher mixing ratios of MTBE at the beginning and the end of the flights were obtained during transects over the c...

Ngày tải lên: 28/03/2014, 20:20

... Aminoacylation of crude tRNA with Lys at high pressure was approximately 2.5 times higher Charging of tRNA with non-natural amino acids compared with the enzymatic reaction, which was due to misacylation ... [14C-aa]tRNAVal, were similar The yield of tRNA charging at high pressure with non-natural amino acids was between 2.5 and 9%, similar to d...

Ngày tải lên: 30/03/2014, 10:20

... onto Chitin 72 Free dithizone Chitin -dithizone Figure 3: IR spectra of (a) free dithizone and (b) dithizone- immobilized chitin The XRD spectra and their d-spacing data of free dithizone and dithizone- immobilized ... (ml), and m is the weight of the chitin or chitin -dithizone adsorbents The effect of adsorbent mass on the amount of adsorbed...

Ngày tải lên: 07/08/2014, 14:20

... from farmland, water treatment equipment containing wood charcoal was devised to enable the charcoal to remove organic matter, nutrients and heavy metals in the drainage from a paddy field, and ... organic matter, nutrients, and heavy metals in a test paddy field was investigated The following results were obtained: (1) The TOC, TN, TP, Cr, Fe and Pb i...

Ngày tải lên: 05/09/2013, 09:38

... Biodegradability of zinc binding sites in DOM of WWTP effluent in river water Fig shows the variation of DOC, UV254 and SUVA during the incubation of DOM in WWTP effluent with river water, where river water ... out for river water and river water spiked with DOM from WWTP effluent to evaluate the biological alteration of zinc complexation ch...

Ngày tải lên: 05/09/2013, 10:15

... degradation Accordingly, the influence of phosphorus concentration on the biodegradation of DOM was discussed in this research, because the phosphorus concentration in Lake Biwa has been decreasing ... DP was in the range of 0.006 to 0.007 mgP/L Effect of biodegradation activity change on DOM concentration in Lake Biwa Effect of biodegradatio...

Ngày tải lên: 05/09/2013, 10:17

... discussions 3.1 Analysis of existing exterior building based on different materials This part discusses the four locations of the monitored area with different types of exterior wall building materials: ... heat/solar radiation) of each material was calculated and analyzed (Figure 10) Figure 10 Normalized heat (total heat/solar radiation) using average heat of convec...

Ngày tải lên: 05/09/2013, 15:28