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activated carbon adsorption and environment adsorptive removal of organics from water

Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon

Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon

Môi trường

... developing and poor countries This work aims to study the adsorption column for removal of arsenic from synthetic groundwater using sequential combination of LA and AC-Fe as adsorbents The effect of ... experiments for equilibrium and kinetic studies were carried out in a series of 1000mL flasks Each of them contained 5g of adsorbents (adsorbent dose) and - 45 - Journal of Water and Environment Technology, ... distilled water with a total volume of 1000mL This stock solution has an arsenic concentration of 1000mg/L - 44 - Journal of Water and Environment Technology, Vol 6, No.1, 2008 Table Composition of...
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Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon

Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon

Môi trường

... KF(L/g) and n are the Freundlich constants which represent the significance of adsorption capacity and intensity of adsorption, respectively KF and n are calculated from the intercept and slope of ... for the removal of both As[III] and As[V] from simulated groundwater using a mixture of 70% As[III] and 30% As[V] for all experiments The effects of initial arsenic concentration, pH, and adsorbent ... Journal of Water and Environment Technology, Vol 7, No 2, 2009 or difficult to apply in poor and rural areas One of the promising and viable methods for arsenic removal is the adsorption technique...
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Treatment of semi-aerobic landfill leachate using durian peel-based activated carbon adsorption- Optimization of preparation conditions

Treatment of semi-aerobic landfill leachate using durian peel-based activated carbon adsorption- Optimization of preparation conditions

Sinh học

... 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 Studies of leachate by activated carbon adsorption ... using activation temperature of 800 °C, activation time of 2.1 h and flow rate of 68.68 ml/s The optimum DP activated carbon showed COD and colour removal of 42.47 and 39.86%, respectively It ... coefficients and xi, xj are the coded values of the activated carbon preparation variables 2.6 Characterization of DPAC The surface area, pore volume and average pore diameter of the DP activated carbon...
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Development of multifunctional membranes for visual detection and adsorptive removal of heavy metal ions from aqueous solutions

Development of multifunctional membranes for visual detection and adsorptive removal of heavy metal ions from aqueous solutions

Y - Dược

... i.e., batch adsorption and filtration of individual Hg(II) and HA solutions; sequential adsorption and filtration of individual Hg(II) and HA solutions; co -adsorption and co-filtration of solutions ... through a series of batch adsorption experiments The performance of the prepared membrane was tested in both adsorption and filtration with synthetic Hg(II) water samples and real water samples ... on groundwater of low solids, surface water or pretreated wastewater effluent Can disinfect treated water Lack of a reliable low-cost method of monitoring performance Can remove NDMA and other...
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Adsorptive removal of rhodamine b from aqueous solution using brewers spent grains batch and column study

Adsorptive removal of rhodamine b from aqueous solution using brewers spent grains batch and column study

Tổng hợp

... the removal of RhB Fig (a) Langmuir adsorption isotherm (b) Freundlich adsorption isotherm Fig Effect of bed height on the removal of Rhodamine B in fixed bed Fig 10 Effect of flow rate on the removal ... the BSG for higher adsorption capacity, (ii) to better understand the adsorption mechanism, and (iii) to further analyze the performance of adsorption processes for dye removal from real industrial ... dyes on to granular activated carbon in fixed beds Water Research 1997, 31 (8), 2093-2101 18 Ahmed, M.; Ram, R., Removal of basic dye from waste -water using silica as adsorbent Environmental Pollution...
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activated carbon adsorption

activated carbon adsorption

Cao đẳng - Đại học

... Chapter Activated Carbon Adsorption and Environment: Removal of Inorganics from Water .297 6.1 Activated Carbon Adsorption of Inorganics from Aqueous Phase (General) 299 6.2 Activated ... surface structure of activated carbons, the adsorption phenomenon, and the activated carbon adsorption of organics and inorganics from gaseous and aqueous phases A vast amount of research has been ... Solutions .340 6.7 Activated Carbon Adsorption of Nickel 346 6.8 Removal of Lead from Water 351 6.9 Adsorptive Removal of Zinc 353 6.10 Activated Carbon Adsorption of Arsenic ...
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Báo cáo Y học: Interaction between p21-activated protein kinase and Rac during differentiation of HL-60 human promyelocytic leukemia cell induced by all-trans-retinoic acid pdf

Báo cáo Y học: Interaction between p21-activated protein kinase and Rac during differentiation of HL-60 human promyelocytic leukemia cell induced by all-trans-retinoic acid pdf

Báo cáo khoa học

... cross-reactivity to the three isoforms of p21 -activated protein kinase, PAK68, PAK65 and PAK62 were found in the cytosol of Binding of PAK to Rac1 and Rac2 isoforms in the membrane The plasma ... activity of HL-60 Cells Utilizing the induced differentiation of HL-60 promyelocytic leukemia cells as a model of myeloid maturation, we examined the expression and location of Rac and PAK The ... of differentiation of HL-60 cells induced with ATRA Induction of Rac and PAK HL-60 cells were treated with lM ATRA for a week, and Rac and PAK were assayed in both cytosol and membrane fractions...
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Báo cáo sinh học:

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

Điện - Điện tử

... original and restored images, σr and σx are standard deviations of original and restored images, r p and x p are the image contents of pth local window, and G is the number of local windows in the image ... 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–Row show processed results of various ... Results of different filters for Boat 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–Row show processed results of various...
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báo cáo khoa học:

báo cáo khoa học: "Immediate breast reconstruction with a saline implant and AlloDerm, following removal of a Phyllodes tumor" pdf

Báo cáo khoa học

... to reach parasternal and subclavicular areas of the breast for tumor removal All incisions have equal risk of necrosis but women under 45 years of age had a higher rate of NAC viability [21] ... saline implant and AlloDerm, following removal of a Phyllodes tumor World Journal of Surgical Oncology 2011 9:34 Submit your next manuscript to BioMed Central and take full advantage of: • Convenient ... tumor removal but may compromise blood supply to the periphery of the flap and areola [19,20] The transareolar with perinipple and lateral-medial extension also provides good exposure and reduces...
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Báo cáo y học:

Báo cáo y học: " Surgical Removal of lipoma from an area with tattooed skin"

Y học thưởng thức

... anesthesia and hemostasis The skin was incised in the tattoo line with a scalpel blade no 15 The wall of the lipomatous lesion was identified and was isolated from the surrounding layers and freed from ... result DISCUSSION AND CONCLUSIONS No similar case of surgical removal of lipoma from an area with tattooed skin using this aesthetic procedure was found in literature The intent of the case study ... consent was obtained from the patient for publication of this case report and accompanying images A copy of the written consent is available for review by the Editor-in-Chief of this journal AUTHORS'...
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Removal of Cadmium from Aqueous Solutions by Charcoals Prepared from Giant Reed (Arundo donax)

Removal of Cadmium from Aqueous Solutions by Charcoals Prepared from Giant Reed (Arundo donax)

Môi trường

... Rodríguez-Gordillo J and Bautista-Toledo I (1988) Adsorption of zinc, cadmium, and copper on activated carbons obtained from agricultural by-products, Carbon, 26(3), 363-373 Fujii T., and Sakoda A (2008) Adsorption ... cloth, Carbon, 40, 1109-1115 Basso M C and Cukierman A L (2006) Wastewater Treatment by Chemically Activated Carbons from Giant Reed: Effect of the Activation Atmosphere on Properties and Adsorptive ... Journal of Water and Environment Technology, Vol 8, No.4, 2010 of which the contaminated water is nearby The important factors to be considered are the preparation of the adsorbent, and its removal...
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Báo cáo khoa học: Molecular mass of macromolecules and subunits and the quaternary structure of hemoglobin from the microcrustacean Daphnia magna ppt

Báo cáo khoa học: Molecular mass of macromolecules and subunits and the quaternary structure of hemoglobin from the microcrustacean Daphnia magna ppt

Báo cáo khoa học

... instead of reflecting actual mass differences [20], the protocol of Weber and Osborn [21] was employed: in this case, only one band for both Hb from the hemolymph of pale D magna and Hb from red ... approximate mass of each subassembly (monomer and polymer) Hb fractions obtained by chromatofocusing of crude extracts of red and pale D magna were desalted by washing with Milli-Q water and centrifugation ... system used for gel electrophoresis on the band pattern of pale and red Daphnia magna hemoglobin (Hb) The hemolymph of pale (2.0 lg of Hb) and red (2.0 lg of Hb) D magna was subjected to electrophoresis...
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Role of C-Reactive Protein and Procalcitonin in Differentiation of Tuberculosis from Bacterial Community Acquired Pneumonia potx

Role of C-Reactive Protein and Procalcitonin in Differentiation of Tuberculosis from Bacterial Community Acquired Pneumonia potx

Sức khỏe giới tính

... sensitivity of 90.0% and a specificity of 58.9%; at a cutoff value of 0.25 ng/mL, the PCT concentration had a sensitivity of 93.1% and a specificity of 59.6% (Fig 1, Table 2) CRP and PCT concentrations ... Clinical and laboratory characteristics of the patients Of the 87 patients who met the inclusion criteria, 57 had bacterial CAP and 30 had pulmonary TB The median age of the bacterial CAP and pulmonary ... PCT is a good predictor of the severity of pneumonia and sepsis, as described previously [31,32], and implies that PCT can be used effectively for site -of- care decisions and for predicting CAP...
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DEVELOPMENT OF NI BASED CATALYTIC, CERIA NANO STRUCTURES AND CATALYTIC MEMBRANE REACTOR OF HIGH TEMPERATURE WATER GAS SHIFT REACTION

DEVELOPMENT OF NI BASED CATALYTIC, CERIA NANO STRUCTURES AND CATALYTIC MEMBRANE REACTOR OF HIGH TEMPERATURE WATER GAS SHIFT REACTION

Cao đẳng - Đại học

... [1] Since carbon emission such as carbon dioxide and carbon monoxide which are emitted from combustion of fossil fuel has seriously polluted the environment and destroyed the ecosystem of the biological ... gasification, pyrolysis, reforming of liquid and gas hydrocarbon, water splitting, electrolysis of water and other ways [5-7] The limitation of other processes such as water splitting via photolytic ... production for CMR-WGS of core-shell catalyst xiv Nomenclature NOMENCLATURE °C Centigrade degree ∆Hi Heat of adsorption of reaction i (kJ/mol) ∆Si Entropy of adsorption of reaction i (kJ/mol.K)...
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Virus diversity and cross species transmission of viruses from the straw coloured fruit bat eidolon helvum

Virus diversity and cross species transmission of viruses from the straw coloured fruit bat eidolon helvum

Tổng hợp

... isolated from a fruit bat of Tioman island, a small island off the east coast of Malaysia [96], and neutralizing antibodies in Pteropus were also detected in Madagascar [82, 96] Tuhoko virus 1-3 from ... Publications and Ethics Kwame Nkrumah University of Science and Technology, Kumasi, Ghana Samples were exported under a state contract between the Republic of Ghana and the Federal Republic of Germany, and ... 105 sheep, 124 goat and 107 swine Samples were collected from farms and abattoirs in and around Kumasi 3.2 Detection of Paramyxoviridae in E helvum The spleen of 630 E helvum from Kumasi, Ghana,...
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Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge

Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge

Môi trường

... media and fixed-bed process J of Japan Society on water environment 16, 284-290 Olmstead K P and Waber W J Jr (1991) Interactions between microorganisms and activated carbon in water and wastewater ... effect of biofilm on the adsorption capacity of PAC, PAC covered with biofilm was made and its adsorption capacity was compared to the adsorption capacity of new PAC repeated times For biofilm ... to clarify the effect of DOM and biofilm on the adsorption capacity of PAC in the aeration tank of PACT process Materials and methods 2.1 Operation of powdered activated carbon treatment (PACT)...
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Synthesis and application of hydrous cerium oxide modified activated carbon for arsenic and lead removal

Synthesis and application of hydrous cerium oxide modified activated carbon for arsenic and lead removal

Cao đẳng - Đại học

... 3.5 Adsorption kinetic and isotherm models 19 Chapter Adsorption removal of As(V), As(III) and Pb(II) by HCO-AC 21 4.1 Introduction 21 4.2 Results and discussion of As(V) and ... convenient, and multifunctional treatment option for efficient removal of As(V), As(III) and Pb(II) from heavy metal contaminated water vii List of Tables Table 2.1 Comparison of heavy metal removal ... Summary of isotherm fitting for adsorption of As(V) and As(III) on HCO-AC at 25 °C Adsorption dosage 0.1g/L, initial pH 5.0 ±0.1 Table 4.3 Comparison of As(V) and As(III) adsorption capacity of HCO-AC...
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Occurrence of Polyhydroxyalkanoate as Temporal Carbon Storage Material in Activated Sludge during The Removal of Organic Pollutants

Occurrence of Polyhydroxyalkanoate as Temporal Carbon Storage Material in Activated Sludge during The Removal of Organic Pollutants

Môi trường

... of Water and Environment Technology, Vol 6, No.2, 2008 Technology, China The concentration of PHA in these reactors was determined, and the fractions of carbon stored as PHA were calculated from ... copolymer composed of 81% of 3HB and 19% of 3-hydroxyvalerate (3HV) (Sigma-Aldrich Japan K.K., Japan) was used as the standard of 3HV unit in PHA These standards were also digested and analyzed by ... temperature, 1mL water was added to it, the tube was shaken, and, the methyl ester of PHA monomers in the chloroform layer was collected The chloroform phase was washed again with 0.5mL water, and then...
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Utilization of activated carbon for the removal of basic dyes in fixed-bed microcolumn

Utilization of activated carbon for the removal of basic dyes in fixed-bed microcolumn

Môi trường

... Bed Adsorption for the Removal of Pollutants from Water Environmental Pollution 1990, 66, 33-53 [2] Li, F., Yuasa, A., Ebie, K., and Azuma, Y Microcolumn Test and Model Analysis of Activated Carbon ... Berner, Z A and Kramar, U Adsorption of arsenic species from water using activated siderite-hematite column filters Journal of Hazardous Materials 2007, 151, 628-635 [14] McKay, G Adsorption of Dyestuffs ... concentration of the solute (maximum column adsorption capacity) (mg/g); V is the throughput volume (dm3) and m is the mass of adsorbent (g) kT and qo can be determined from the slope and the intercept of...
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Báo cáo vật lý:

Báo cáo vật lý: "Decolourisation of Reactive Orange 16 by Activated Carbon and Copper Oxide Catalysts Supported by Activated Carbon" ppsx

Báo cáo khoa học

... Adsorption- desorption isotherms of N2 for AC, modified AC and Cu-AC Journal of Physical Science, Vol 21(2), 29–40, 2010 3.2 35 Removal of RO16 Dye Colour removal (%) Colour removal (%) The removal ... Measurement of interlayer spacing 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, ... area The removal is attributed to adsorption of the dye onto the copper oxides and AC Therefore, Cu-AC4 was chosen as the catalyst for removal of RO16 in further experiments 36 Colour removal...
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