treatment of nanoparticles in wastewater

... THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF CHEMICAL & BIOMOLECULAR ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2012 Acknowledgements First of all, I would like to take ... precipitation method using Fe2+ and Fe3+ salts in the molar ratio of 1:2 under vigorous stirring, inert and alkaline environment During the reaction, the surfaces of the nanoparticles are modified ... bound together in a cyclic ring They compose of five or more α (1-4) linked D-glucopyranoside units linked one as those in amylose Particularly, they contain to glucose monomers in one ring [12] There...

Ngày tải lên: 12/10/2015, 17:36

... Wendling F Prominent role of TGF-beta in thrombopoietin-induced myelofibrosis in mice Blood 2002;100:3495-503 32 Erusalimsky JD, Franklin R and Hong Y Is the platelet lowering activity of anagrelide ... findings of McCarty et al, who showed an effect of anagrelide on CD41 numbers and TPO-specific pTyr activity in vitro, indicating that anagrelide reduces the TPO-mediated intracellular signaling ... effects of months of anagrelide treatment of thrombocytosis in MPD patients on serum levels of TPO and the sIL-6 receptor The latter was chosen since some recent evidence has been presented indicating...

Ngày tải lên: 03/11/2012, 10:52

... for HIV uninfected individuals Certain areas of uncertainty remain, including the regimen duration, dosage and frequency of administration of anti-TB drugs, optimal timing of initiation of ART and ... present in the urine of TB patients with VOCs in the urine of healthy subjects, and found that infection with TB produces a distinct pattern of certain VOCs in much the same way that distinct fingerprint ... feasibility of the WHO IPT guidelines in ART clinics as a precursor for adopting this recommendation77 Treatment of individuals TB and HIV in co-infected The basic principles of treatment for HIVassociated...

Ngày tải lên: 15/02/2014, 12:20

... resulting changes in the exposure of the population, and the resulting effect of changes in exposure on health Because of the potential compounding of high-end or low-end assumptions in developing ... make further progress in the treatment of uncertainty.4 This paper provides a further assessment of EPA’s progress in developing a quantitative assessment of the uncertainties in its health benefits ... steps in developing a formal uncertainty analysis in EPA’s RIAs Status of EPA Uncertainty Analysis in Recent RIA’s EPA’s recent RIAs acknowledge the NRC critique of its uncertainty analysis in the...

Ngày tải lên: 06/03/2014, 19:20

... method was examined in terms of its practicability for the determination of the three components in the sewage in uents and effluents of wetland plants In addition, the applicability of the SPME–GC– ... polycarbonate plastics and epoxy resins, the uses of which include lining food cans [2,3] The alkylphenoles mainly enter municipal wastewater treatment plants via industrial effluents Due to their ... absorptively working coatings they show linearity over a wide concentration range Fibre coatings containing divinylbenzene and carbowax, respectively, possess adsorptive properties and hence linearity...

Ngày tải lên: 16/03/2014, 18:11

... sample In Figure 2(a), "of( A,X)", "of( B,Y)" and "of( B,Z)" are true Define a dependency function f to map A into X and B into Y Then "of( A,f(A))" and "of( B,f(B))" are both true, so that "of( ~(R),f(~(R)))" ... axioms in a knowledge base more refined properties of the determiners than can be captured by representing them in terms of the standard quantlflers Let us represent the pattern of a simple intransitive ... more refined grain, we have to say that he is at the stamp window "at(J,SW)'" We normally think of grain in terms of distance, but more generally we can move from entities at one grain to entities...

Ngày tải lên: 31/03/2014, 17:20

... reconstruction of solid constituents of the human body Considering the huge value of the numerical density of nanosized domains contained in microheterogeneous systems, in principle, a relevant number of ... enhancement of correlation times of the solute molecules signiWcant change of the intrinsic reactivity of the solubilized species14 re-organization of Wnite amounts of solute in nanoscopic domains leading ... water involves an increase of the interlamellar distance, being water localized in the hydrophilic domain As the width of this domain increases, it becomes more and more easy to break the ‘‘inWnite’’...

Ngày tải lên: 04/06/2014, 15:18

... changes in movement kinematics We found no significant effects of Robot Training (baseline vs baseline 2) As regards the effect of Subject Training (baseline vs wash-out), we found a decrease in the ... directly compared (planned comparisons) Baseline and Baseline (effect of Robot Training), Baseline and Wash-out (effect of Subject Training) and finally Baseline and wash-out (overall phase effect) ... regards changes within one session, to distinguish between the changes in performance occurring during the Robot Training phase from those occurring during the Subject Training phase, we directly...

Ngày tải lên: 19/06/2014, 08:20

... characteristic of implant loosening Laboratory screening including erythrocyte sedimenta- Page of tion rate and C-reactive protein was normal Plain radiographs revealed areas of periprosthetic osteolysis in ... to find any data in the literature pertaining to the use of bone cements in the context of osteolytic cysts in knee arthroplasty, however these analogues have been successfully used in the treatment ... good post-operative clinical improvement with a resolution of the knee swelling and pain by months He remained symptom-free until 2008, when he began developing medial pain in the left knee and...

Ngày tải lên: 20/06/2014, 04:20

... solution b) In TEM images b’) I B WW quenching B B a) WW PW c) PW WW c’) Figure Illustrations of adsorption properties of MNBs in wastewater and of their quenching features (a) The original wastewater ... containing O2 MNBs The obvious difference in TEM images of these samples from those in pure MNB water was that fine particles (less than 100 nm in diameter) were observed on the grain boundary of ... [19] The addition of a small amount of NaCl is expected to play a positive role of stabilizing MNBs in engineering applications However, we could not find obvious characteristics in our TEM images...

Ngày tải lên: 21/06/2014, 04:20

... methods in a single nanoparticle probe one can drastically improve the multiplexing capabilities of protein probes The group of Prof Mirkin has designed a sophisticated multifunctional Page of (page ... that nanoparticles exist in the same size domain as proteins makes nanomaterials suitable for bio tagging or labelling However, size is just one of many characteristics of nanoparticles that itself ... Alternative cylindrically shaped nanoparticles can be created by employing metal electrodeposition into nanoporous alumina template [30] Depending on the properties of the template, nanocylinder radius...

Ngày tải lên: 11/08/2014, 00:22

... disciplines as well as practicing professionals in the field of environmental engineering These professionals include plant personnel involved in the treatment of water and wastewater, consulting ... Drinking Water Coolers Containing Lead Lead Contamination in School Drinking Water Federal Assistance for State Programs Regarding Lead Contamination in School Drinking Water Certification of ... important of the safe drinking water acts are the Safe Drinking Water Act of 1974, the Safe Drinking Water Act Amendments of 1986, and the Safe Drinking Water Act of 1996 The Safe Drinking Water...

Ngày tải lên: 11/08/2014, 10:22

... urine The unit of measurement of color is the platinum in potassium chloroplatinate (K2PtCl6) One milligram per liter of Pt in K2PtCl6 is one unit of color A major provision of the Safe Drinking ... are often the cause of serious complaints from neighborhoods around treatment plants, and it is often difficult for inspectors investigating these complaints to smell any odors in the vicinity of ... during summer The temperature of water affects the efficiency of treatment units For example, in cold temperatures, the viscosity increases This, in turn, diminishes the efficiency of settling of...

Ngày tải lên: 11/08/2014, 10:22

... Determine the in uent rate of flow to the mixer corresponding to an effective mixing A rapid-mix tank, m in diameter is filled to a depth of m with water and alum introduced continuously in the in uent ... 80% of the inside diameter of the vessel in which the mixing is taking place Paddle arm—The element extending from the axis of rotation in a paddle wheel Paddle wheel—The paddle configuration in ... volume of the domain of integration; n is the unit normal vector to surface area A bounding the domain of integration CV refers to the control volume ˆ ˆ Considering only the x direction in our...

Ngày tải lên: 11/08/2014, 10:22

... so that the level of water in the filter rises to the point indicated, enabling the formation of tiny sedimentation basins in the pores of the filter As this level is reached, in uent and effluent ... 328 Influent Influent Coarse media Coarse media Anthrafilt Anthrafilt Intermix zone Intermix zone Silica sand Finer media Finer media Silica sand Finest media Finest media Garnet sand Underdrain ... (b) an installation of a plate-and-frame press (courtesy of Xingyuan Filtration Products, China) © 2003 by A P Sincero and G A Sincero Physical–Chemical Treatment of Water and Wastewater Side rails...

Ngày tải lên: 11/08/2014, 10:22

... If I is in amperes, E is in volts, and R is in ohms, P in is in watts Of course, the combined units of N and Qo must be in corresponding consistent units Example 8.1 A brackish water of 378.51 ... (1997) Adsorption of EDTA-chelated copper ion in aqueous solution by an activated carbon adsorption column, J Chinese Institute of Engineers, Trans of the Chinese Institute of Engineers, Series ... the C of the carboxyl group of the tolylene bonding with the N of the amine and so on The final structure is a mesh of cross-linked assembly, thus creating molecular pores As indicated in the...

Ngày tải lên: 11/08/2014, 10:22

... is easily determined by simply dipping a probe into a sample, determination of the saturation pH is a convenient method of determining the stability of water The concentrations of any species ... understand In practice, however, alkalinity is also expressed in terms of CaCO3 Expressing alkalinities in these terms is a sort of equivalence, although this practice can become very confusing Depending ... liquid state of a substance Langelier of Saturation Index Percent blocking potential of a segment of pipe due to potential deposition of CaCO3 Saturation pH Rate of flow through pipe segment in which...

Ngày tải lên: 11/08/2014, 10:22

... right-hand side of the previous equation will now be expressed in terms of the hydrogen ion concentration As in the case of alum, this will result in the expressing of [spFeII] in terms of the hydrogen ... number of equivalents of the alum used is equal to the number of equivalents of the alkalinity required; in fact, it is equal to the same number of equivalents of any species participating in the ... means that the concentrations of each of these complex ions are determined by the pH of the solution In the application of the previous equations in coagulation treatment of water, conditions must...

Ngày tải lên: 11/08/2014, 10:22

... alkalinity may be expressed in terms of equivalents of the carbonate ion, or in terms of equivalents of the bicarbonate ion, or in terms of the equivalents of the hydroxide ion The number of equivalents ... means that the concentrations of each of these complex ions are determined by the pH of the solution In the application of the previous equations in an actual treatment of water, conditions must ... resulting floc concentration will be small; the chemically treated water, in this instance, may simply be introduced directly into the filter, without using any flocculation or settling basin In all...

Ngày tải lên: 11/08/2014, 10:22