deposition and removal of aluminum 59

Photodegradation and removal of phenol and phenolic derivatives from petroleum refinery wastewater using nanoparticles of TiO2

Photodegradation and removal of phenol and phenolic derivatives from petroleum refinery wastewater using nanoparticles of TiO2

Ngày tải lên : 05/09/2013, 17:03
... expanded since the discovery of the photocatalytic properties of TiO2 and the demonstration of its effectiveness to generate hydroxyl radicals in the presence of UV light [8] The more activity of ... treatment using nanoparticles of TiO2 and UV light The main feature of this work is the use of inexpensive and recoverable catalyst This sort of processes for degradation of organic compounds may ... black run) and with UV light (both with 100 mg L−1 of TiO2, and temperature of 303 K) Figure shows, very low reduction of COD which was found in the absence of light The increase of temperature...
  • 8
  • 520
  • 0
ulsed laser deposition and characterization of pb(zr, ti)o3 and lanio3 thin films

ulsed laser deposition and characterization of pb(zr, ti)o3 and lanio3 thin films

Ngày tải lên : 14/09/2015, 18:31
... concern, support and encouragement i TABLE OF CONTENTS Acknowledgements i Table of Contents ii viii List of Publications x Summary List of Figures xii List of Tables xv List of Acronyms and Symbols ... discussed Distribution of the orientation axes of LNO and PZT films grown by PLD was evaluated They were found to incline from the normal of the substrate and the extent of inclination of the orientation ... the elastic modulus of the substrate and thickness of both substrate and film are required in determining the Young’s Modulus of the film The curvature of a crystal plane of single crystal substrate...
  • 198
  • 255
  • 0
Riverbank filtration: removal of iron, manganese and hardness

Riverbank filtration: removal of iron, manganese and hardness

Ngày tải lên : 05/09/2013, 08:40
... RESULTS AND DISCUSSION Nanofiltration of hardness removal Three types of nanofiltration membrane such as UTC-60(TORAY), NTR729-HF(NITTO DENCO) and UTC-20(TORAY) was used The characteristics of membrane ... Sampling point of this study Fig Development areas of bankfiltrate - 134 - Journal of Water and Environment Technology, Vol.1, No.2, 2003 Nanofiltration to hardness removal Nanofiltration experiment ... slurry Conclusion In hardness removal experiment by membrane, flux of UTC-20 in permeate flux and total hardness removal 0.069 m3/m2/hr that was median value and 93% of removal efficiency was shown...
  • 8
  • 406
  • 0
Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body

Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body

Ngày tải lên : 05/09/2013, 08:40
... pilot plant The height of this plant is 1.5 m and diameter is 0.5 m A 1000-ton of closed water body and a raft of 20×20 m2 were prepared at Tokiwako Lake The maximum water depth of experimental area ... m, and average is 2.3 m Water depth changes around 0.4 m (up and down) by various reasons This plant was floated and fixed at the center of the raft Lake water was - 234 - Journal of Water and ... in each point by standard methods [6] Pore size is 1µm In this paper, SS, transparency and COD at the outlet of plant and the outside of experimental area will be reported and discussed Experimental...
  • 6
  • 526
  • 0
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

Ngày tải lên : 05/09/2013, 09:38
... LA/AC-Fe ratio of 0.3m/0.2m, flow rate of to 6mL/min (or space velocity of 0.98-1.47m3/m3h), pH of 7-8, and initial arsenic concentration of 0.1-0.5mg/L, to obtain a breakthrough time of more than ... 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 ... flasks Each of them contained 5g of adsorbents (adsorbent dose) and - 45 - Journal of Water and Environment Technology, Vol 6, No.1, 2008 1000mL synthetic groundwater with various levels of total...
  • 12
  • 529
  • 0
Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal

Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal

Ngày tải lên : 05/09/2013, 09:38
... - Variations of reduction rate for (a) TOC, TN and TP, (b) Cr, Fe, Pb, and Zn, and diurnal variations of contact times during field test Table - Mean and standard deviation (SD) of the concentration ... charcoal, and is adsorption when drainage water contacts the surface of charcoal because of the structure of this equipment Relation of removal ability among substances As the removal ability of a ... SD: Standard deviation, CV: Coefficient of variation - 12 - Journal of Water and Environment Technology, Vol 7, No 1, 2009 The water qualities of inflow water (IN) and outflow water (OUT) of the...
  • 9
  • 469
  • 0
welding of aluminum and its alloys

welding of aluminum and its alloys

Ngày tải lên : 12/03/2014, 17:39
... cleaning, degreasing and workshop conditions are given in Chapter 22 The welding of aluminium and its alloys Table 2.3 Summary of causes and prevention of porosity Mechanism of Potential causes ... hardening One aspect of this is the width of the HAZ, a function of the high thermal conductivity of aluminium and the consequent size of the area where there has been a substantial loss of strength Only ... the quality of the welding process and the welder and, lastly, the rate of solidification With the exception of a couple of 2XXX filler wires most filler metals available are not capable of being age...
  • 246
  • 400
  • 0
EVALUATION AND ASSESSMENT OF ORGANIC CHEMICAL REMOVAL TECHNOLOGIES FOR NEW JERSEY DRINKING WATER GROUND WATER REPORT pptx

EVALUATION AND ASSESSMENT OF ORGANIC CHEMICAL REMOVAL TECHNOLOGIES FOR NEW JERSEY DRINKING WATER GROUND WATER REPORT pptx

Ngày tải lên : 28/03/2014, 19:20
... percent, and at 1,000 mJ/cm2 removal increased to about 70 percent Snyder also reported that with the addition of and mg/L of hydrogen peroxide and a UV dose of 1,000 mJ/cm2 , removals of many ... carbamazepine, clofibric acid and iohexol About 80 percent removal was achieved for ketoprofen and ciprofloxacin For the poorly removed compounds, the addition of hydrogen peroxide increased removals ... with reverse osmosis Softening with reverse osmosis or nanofiltration Removal of nitrate (and other ions) with reverse osmosis Removal of color, total organic carbon (TOC), and DBP precursors with...
  • 93
  • 422
  • 0
Consultation on the Removal of Speaking and Listening Assessment from GCSE English and GCSE English Language ppt

Consultation on the Removal of Speaking and Listening Assessment from GCSE English and GCSE English Language ppt

Ngày tải lên : 02/04/2014, 05:20
... review and consider further actions if necessary, to ensure fair outcomes and protect standards Ofqual 2013 Consultation on the Removal of Speaking and Listening Assessment from GCSE English and ... X X.1 For the purposes of assessment of GCSE qualifications in English and/ or English language for award of qualifications in 2014, 2015 and 2016, paragraphs 11 and 12 of the GCSE Subject Criteria ... changes to the weighting of internal and external assessments X1.2 Paragraph 12 of the English Criteria and paragraph 14 of the of the English language Criteria are revoked and replaced with: “GCSE...
  • 24
  • 608
  • 0
physics, chemistry and application of nanostructures. reviews and short notes to nanomeeting 2003, 2003, p.596

physics, chemistry and application of nanostructures. reviews and short notes to nanomeeting 2003, 2003, p.596

Ngày tải lên : 04/06/2014, 14:49
... top of each, other The strain field induces the nucleation of the second island on top .of the first [17] Remarkably, the size of these Ge islands is in the range, of the gate length and width .of ... the other hand the delayed onset of the minority channel is clearly visible, and can be related to the onset of the t2g minority band The position of the low energy edge of this band with respect ... using the effect of vertical stacking of Ge islands as illustrated in Fig The self alignment of gates may be obtained as follows On top of the structure a layer of uncapped Ge islands is deposited,...
  • 596
  • 334
  • 0
Báo cáo hóa học: " Fabrication and characterization of carbon-based counter electrodes prepared by electrophoretic deposition for dye-sensitized solar cells" doc

Báo cáo hóa học: " Fabrication and characterization of carbon-based counter electrodes prepared by electrophoretic deposition for dye-sensitized solar cells" doc

Ngày tải lên : 20/06/2014, 23:20
... illumination of 100 mW/cm2 under an open-circuit condition and in a frequency range of 0.1 Hz to 100 KHz Results and discussion Figure shows the FE-SEM images of deposited (a) graphenes, (b) SWNTs, and ... contributions HK fabricated the cells and wrote the paper HK and HC did the characterization and imaging of the solar cells SH and YK helped design the experimental study and advised on the project MJ ... single-walled carbon nanotubes Comparison of the h and FF of the counter electrodes with three different carbon-based materials measured under similar deposition conditions of optical transmittance showed...
  • 4
  • 376
  • 0
Báo cáo hóa học: " Revelation of graphene-Au for direct write deposition and characterization" potx

Báo cáo hóa học: " Revelation of graphene-Au for direct write deposition and characterization" potx

Ngày tải lên : 21/06/2014, 03:20
... Figure SEM images of graphene Showing (a) an aggregate of nanosheets and (b) stacks of the sheets Inset shows the edges of individual sheets Table Deconvoluted contributions of various core level ... thickness of about 0.45 µm HR-TEM was employed to study the graphene and Au-graphene nanocomposites to investigate the microstructure of graphene as well as the size, shape, and distribution of Au ... smaller wave function of Ag than graphene [26,27] Interaction between Au and C=O of graphene also contributes to the electron transfer [28], and the result corroborates with that of UV results The...
  • 7
  • 465
  • 0
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

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

Ngày tải lên : 21/06/2014, 16:20
... 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...
  • 11
  • 356
  • 0
báo cáo hóa học:" Fabrication and characterization of carbon-based counter electrodes prepared by electrophoretic deposition for dye-sensitized solar cells" pot

báo cáo hóa học:" Fabrication and characterization of carbon-based counter electrodes prepared by electrophoretic deposition for dye-sensitized solar cells" pot

Ngày tải lên : 21/06/2014, 17:20
... illumination of 100 mW/cm2 under an open-circuit condition and in a frequency range of 0.1 Hz to 100 KHz Results and discussion Figure shows the FE-SEM images of deposited (a) graphenes, (b) SWNTs, and ... contributions HK fabricated the cells and wrote the paper HK and HC did the characterization and imaging of the solar cells SH and YK helped design the experimental study and advised on the project MJ ... single-walled carbon nanotubes Comparison of the h and FF of the counter electrodes with three different carbon-based materials measured under similar deposition conditions of optical transmittance showed...
  • 4
  • 361
  • 0
Báo cáo hóa học: " Research Article A Nonlinear Decision-Based Algorithm for Removal of Strip Lines, Drop Lines, Blotches, Band Missing and Impulses in Images and Videos" docx

Báo cáo hóa học: " Research Article A Nonlinear Decision-Based Algorithm for Removal of Strip Lines, Drop Lines, Blotches, Band Missing and Impulses in Images and Videos" docx

Ngày tải lên : 22/06/2014, 00:20
... algorithm for removal of drops lines, strip lines, white bands, black bands, blotches, and impulses with minimum of blurring is developed The performance is evaluated in terms of MSE, PSNR, and IEF ... are available for removal of impulse noises However, none of these algorithms addressed the problem of strip lines, drop lines, blotches, and band missing in images The objective of this paper is ... Silva and L Corte-Real, Removal of blotches and line scratches from film and video sequences using a digital restoration chain,” in Proceedings of the IEEE-EURASIP Workshop on Nonlinear Signal and...
  • 10
  • 288
  • 0
Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution

Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution

Ngày tải lên : 02/07/2014, 14:14
... capacities qmax are 63.33 and 52.55 mg/g and percentages of ion recovery % r are 90.47 and 75.07% for Pb(II) and Ni (II) respectively at a fixed contact time of 120 and C0 = 70 mg/l Also, it should ... showed the peaks of C, O and Fe, which were three major constituents of CS and magnetite EDS spectra of chitosan/magnetite composite beads after adsorption of Ni(II) (Fig 9b) and Pb(II) (Fig 9c) ... Especially, the band shift of Fe–O stretching (from 610 to 595 cm− 1) and that of N–H bending vibration from 1638 to 1681 cm− is the most significant These data indicated possible binding of iron ions...
  • 7
  • 558
  • 0
A textbook of Computer Based Numerical and Statiscal Techniques part 59 ppsx

A textbook of Computer Based Numerical and Statiscal Techniques part 59 ppsx

Ngày tải lên : 04/07/2014, 15:20
... The root of the given equation is 4.2199 13.8 ALGORITHM FOR NEWTON’S RAPHSON METHOD Step Start of the program to compute the real root of the equation Step Step Input the value of x0, n and e For ... root of the given equation is 2.417728 13.11 ALGORITHM FOR NEWTON’S FORWARD INTERPOLATION METHOD Step Step Start of the program to interpolate the given data Input the value of n (number of terms) ... Step 10 Stop Step 11 Step 12 Print “converge to a roof ”, i, x1 End of the program 13.7 PROGRAMMING FOR ITERATION METHOD (1) Find the Real Root of the Given Equation xex = #include #include...
  • 10
  • 172
  • 0
Removal of heavy metals from wastewater using agricultural and industrial wastes as adsorbents

Removal of heavy metals from wastewater using agricultural and industrial wastes as adsorbents

Ngày tải lên : 20/07/2014, 12:47
... Results and discussion Fe removal by different weights of absorbents The effect of the amount of adsorbent on the removal of Fe ions by rice husk is depicted in Table for varied adsorbent doses of ... Pb removal by different weights of absorbents The effect of the amount of adsorbent on the removal of Pb ions by rice husk is depicted in Table for varied adsorbent doses of 20, 30, 40, 50 and ... the increase of the amount of absorbent concentration , while Cu removal using fly Ash varied from 37.38% to 98.545% (see Table 6) The effect of the amount of adsorbent on the removal of Ni ions...
  • 7
  • 675
  • 0
Báo cáo vật lý: "The Removal of Basic and Reactive Dyes Using Quartenised Sugar Cane Bagasse" potx

Báo cáo vật lý: "The Removal of Basic and Reactive Dyes Using Quartenised Sugar Cane Bagasse" potx

Ngày tải lên : 07/08/2014, 14:20
... Journal of Physical Science, Vol 20(1), 59 74, 2009 63 RESULTS AND DISCUSSION 3.1 Comparative Study of Dye Sorption by NSB and QSB Table shows the comparative removal of BB3 and RO16 by NSB and QSB ... The Removal of Basic and Reactive Dyes 3.2 64 Effect of the pH Figure shows the effect of the initial pH of the dye solutions towards the adsorption of BB3 and RO16 by QSB in both single and ... dye removal Therefore, it is suggested that the optimum pH for the removal of both BB3 and RO16 is between and 3.3 Effect of Initial Concentration and Contact Time Figure shows the influence of...
  • 16
  • 312
  • 0