adsorption process for the removal of mtbe from drinking water
Contact-Adsorption-Regeneration-Stabilization Process for the Treatment of Municipal Wastewater
... results of the CARS process for the municipal wastewater treatment The technical feasibility of this process was demonstrated, and the process optimization was performed In addition, the adsorption ... the increased HRT of the adsorption tank From an engineering application point of view, the appropriate operational parameters of the recycle ratio, HRT of the regeneration tank, HRT of the adsorption ... technical feasibility of this process was demonstrated The effects of recycle ratio, HRT of the regeneration tank, HRT of the adsorption tank and SRT of the system were evaluated The removal efficiency...
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Báo cáo hóa học: "Research Article A Novel Semiblind Signal Extraction Approach for the Removal of Eye-Blink Artifact from EEGs" potx
... extracts the eyeblink source The effect of the eye-blink is then removed from the multichannel EEG using the batch deflation algorithm in [36] The impressive issue on the resolution of the proposed ... have utilized the vector of spatial signature of the eye-blink factor resulted by the STF modeling of EEGs as the estimation of the column vector of the mixing matrix A that introduces the eye-blink ... 6(c), the spatial distribution of the extracted factor is confined to the frontal area, which clearly demonstrates the effect of eye-blink The other factor shows the background activity of the brain...
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Study of polyamine functionalized PGMA beads as adsorbents for the removal of heavy metal ions from aqueous solutions
... surface area of the adsorbents via the nitrogen adsorption, and found that the adsorption of gases may not follow the monolayer coverage They found from the adsorption curve that multilayer adsorption ... above The total rate of the adsorption process is usually governed by both the adsorption rate and desorption rate, and the mathematic form of the total rate (denoted as dqe/dt) is given by the ... models of adsorption The kinetics of adsorption is a critical factor in the design of the adsorption system 23 Information on the adsorption kinetics can provide useful evaluation on the adsorbent...
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A comparative study of low cost biomaterials for the removal of chromium (VI III) from aqueous solutions
... cost biosorbent for the effective removal of Cr from aqueous solutions Motivation There are several developments in the biosorption studies for the removal of Cr ions from various water sources ... pressure driven reversal of the natural process of osmosis In the osmosis process, water is transferred through a semipermeable membrane from the waterside of the membrane to the dilute solution side ... of these biomass was readily available for adsorption On the other hand, the faster adsorption equilibrium of Cr(III) ions than that of the Cr(IV) ions by both the sorbents suggests that the adsorption...
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Application of Ozone/UV Process for the Reclamation of Sewage Treatment Plant Effluent
... study, the ozone and UV combination (ozone/UV) process is applied for the reuse of sewage effluent Therefore, the aim of this study is to evaluate the effectiveness of ozone/UV process for the treatment ... the mechanism of the reaction of ozone with substances in the water can be divided into two distinct pathways (7) The first route is the direct attack of molecular ozone The second route is the ... types of UV lamp, one for low pressure low intensity (0.4 W/L) and the other for low pressure high intensity (8 W/L) Figure shows the removal efficiency of COD and TOC by the two types of the ozone/UV...
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Comparison of Methods for the Extraction of Bioflocculants from Activated Sludge
... of 95 ml) The A280 to A260 ratio of the UV-absorbing peak indicated it was composed mainly of nucleic acid In the profile of the NaOH-extracted polymer (B), the elution volume (80 ml) of saccharide ... every minute using the following formula: The relative A660 = A660 of flocculating test A660 of control test For the control, the polymer solution was replaced by distilled water To estimate polymer ... than the trivalent cation of aluminum (relative A660 at was 0.583) These data suggest that calcium and magnesium ions play a role in the floc formation of activated sludge and the adsorption of...
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Behavior of Nitrite Oxidizers in the Nitrification/Denitrification Process for the Treatment of Simulated Coke-Oven Wastewater
... general, the higher concentration of primers can lead to the formation of primer dimers Also, the cost of the chemicals should be minimized if the same quantitativeness can be achieved The results ... ORP, water temperature Microbial analyses Activated sludge samples were added with ethanol at a final concentration of 10%, then transported to the laboratory of UT at 4oCstored Then, each of the ... two One of them was for DNA extraction and was washed with TE buffer at pH8.0, and stored at -20oC Another was for FISH analysis and was stored at -80oC The extraction of DNA was performed with...
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Utilization of activated carbon for the removal of basic dyes in fixed-bed microcolumn
... prediction of column adsorption process requires prediction of breakthrough curves for the effluent The maximum adsorption capacity of an adsorbent is also required in the design of the column The Thomas ... achieved in the case of PAC2 than that in the case of F400 Regarding the BY dye, F400 showed better performance than PAC2 for the removal of BY dye This is evident from a comparison of the time ... profile and a more efficient performance were obtained in the case of smaller particle sizes All the curves show the classic “S” shape profile The enhancement of the column performance with the...
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The bioliq® bioslurry gasification process for the production of biosynfuels, organic chemicals, and energy pdf
... with thermoneutrality in the range of about 20% char yield Together with some thermal insulation losses, a consumption of ca 10% of the bioenergy is therefore expected for FP in practice The pyrolysis ... the char pore system and eventually solidified there This reduces the pore volume and the amount of liquid required for slurry preparation later on After the removal of the char crumbs from the ... in 1996 for the further development of their hazardous waste conversion process [34] The photo in Figure 22 shows the top and bottom sections of the pilot gasifier The KIT has rented the pilot...
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Báo cáo hóa học: " Research Article Development of Long-Range and High-Speed Wireless LAN for the Transmission of Telemedicine from Disaster Areas" pdf
... part of the project of the development of long-range, high-speed wireless LAN to establish an emergency network for the disaster prevention and the postdisaster communications supported by the ... video images of victims being sent over the wireless LAN network from the devastated areas, administer aid to patients In the case of Japan, paramedics are limited to the degree that they can treat ... decode of video and audio signals The live video images and sounds sent from the portable video-transmission system are received at the base station in the main drill site, and are then sent to the...
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Báo cáo hóa học: "Single step process for the synthesis of carbon nanotubes and metal/alloy-filled multiwalled carbon nanotubes" docx
... Dependence of carbon yield on the reaction temperature be through the precipitation of carbon in the form of MWNTs from the molten catalytic particles The melting temperatures of the alloy-C ... spectra of the alloy-filled MWNTs (Fig 2a) showed the presence of Zr, Cr, Fe and Ni; the constituents of the alloy, with a composition comparable to that of the initial alloy used for the preparation ... into the quartz tube for h at 500°C, in order to remove the presence of any oxygen on the surface of the alloy hydride catalysts Hydrogen flow was stopped and then furnace was heated up to the...
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Báo cáo y học: " Avoiding the ‘twilight zone’: Recommendations for the transition of services from adolescence to adulthood for young people with ADHD" pot
... GPs write the prescriptions Indeed the Summary of Product Characteristics for the licensed ADHD medications all indicate the need for specialists to oversee and monitor the use of these medications ... standards of care are maintained during the transition period These protocols should be developed with service users’ involvement to ensure they meet the needs of the young people who will use them These ... flexible to the needs of young adults rather than focusing specifically on chronological age It can therefore be paced against the needs of the individual Taylor et al [28] discussed transition for those...
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Study in the preparation of poly (4 vinylpyridine) based nanoparticles and their application as an effective adsorbent for the recovery of palladium from aqueous solutions
... 5.4 Dimensionless form of the equations used in modeling the adsorption kinetic 172 Table 5.5 Fitted parameters of the Langmuir isotherm model as a function of [DVB] for Pd(II) adsorption by P4VP-C1 ... (< 30 minutes) for the completion of the adsorption process were typically observed (Uheida et al., 2006a; Uheida et al., 2006b) Nevertheless, in spite of the advantages of rapid adsorption uptake ... To examine the adsorption performance for palladium in acidic solutions with the prepared nanoparticles To improve the property and performance of the prepared P4VP nanoparticles for their stability...
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Development of localized electrochemical deposition process for the fabrication of on machine micro EDM electrode
... instead of platinum in the current study The effect of other materials is not discussed in this study This is not the focus of the main study and therefore is outside the scope of this thesis ... the control of LECD process It also describes the implementation and the outcome of the control algorithm from the process 11 Introduction Chapter presents performance analysis of the LECD electrode ... affects the repeatability of the process The main deficiency of the conventional feedback loop was that the tip withdrawal attempts to match the speed of the growing deposit end by triggering the...
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Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon
... describe 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 ... seen that Langmuir isotherm also fits with equilibrium data for both LA and AC-Fe as shown in the values of the regression coefficient r2 Therefore, adsorption process of arsenic onto LA and ... 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...
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Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon
... spread Adsorption isotherm The distribution of arsenic between the liquid phase and the solid phase at equilibrium of the adsorption process can be described by the adsorption isotherm Several adsorption ... section 3.1 In other words, the removal of arsenic from simulated groundwater by RH-Fe5% conforms to Langmuir isotherm with an adsorption capacity of 2.24 mg/g for Q0 of Langmuir isotherm Many adsorbents ... as adsorbent for the removal of arsenic from drinking water, although there are many research papers on arsenic removal using iron-based adsorbent In this study, the surface of the rice husk...
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Tài liệu THE BOOK SELECTION PROCESS FOR THE BOOK CITATION INDEX IN WEB OF SCIENCE pdf
... according to a welldefined set of criteria The goal of these selection processes is to build a comprehensive view of the scholarly literature across the major formats: journals, conference proceedings, ... publications in the following list of book formats These are the book formats most frequently presented for coverage in the Book Citation Index •Dissertations –– Dissertations are considered for coverage ... on the integrity of the publisher to insure that book content is valid and original THE BOOK SELECTION PROCESS FOR THE BOOK CITATION INDEX EDITORIAL CONTENT CITATION ANALYSIS The...
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Protecting New Health Facilities from Natural Disasters: Guidelines for the Promotion of Disaster Mitigation potx
... that the requirements of the project are met in matters such as: quality of the labor force, the use of construction processes and materials of a quality commensurate with the goals of the project, ... to meet the protection objective From the point of view of vulnerability reduction and the fulfillment of the performance objective, the design coordination team must advise each of the specialized ... care network The Guidelines for Vulnerability Reduction in the Design of New Health Facilities • Characteristics of the health care network; 21 In the end, the selection of the site for the new health...
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Guidelines for the Investigation of Contacts of Persons with Infectious Tuberculosis Recommendations from the National Tuberculosis Controllers Association and CDC pptx
... educates the public regarding the nature of TB, • reminds the public of the continued presence of TB in the community, • provides a complementary method to alert exposed contacts of the need for seeking ... coworkers) of the index patient For congregate settings, the types of information for designating priorities are site specific, and therefore a customized algorithm is required for each situation The ... proximities of exposure The potential is great for controversies among public health officials, school officials, and the guardians of the children The presence of TB in schools often generates...
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