— removal of shores and reshoring

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

... 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...

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

Danh mục: Kỹ năng nghe tiếng Anh

... 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...

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

Danh mục: Báo cáo khoa học

... 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 ... 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 ... 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...

simultaneous removal of arsenic and ammonia from groundwater by phytofiltration with cattails (typha spp.) cultivation tt

Danh mục: Khoa học tự nhiên

... HANOI UNIVERSITY OF SCIENCE TECHNISCHE UNIVERSITAT DRESDEN NGUYEN TIEN CU SIMULTANEOUS REMOVAL OF ARSENIC AND AMMONIA FROM GROUNDWATER BY PHYTOFILTRATION WITH CATTAILS (TYPHA ... BY PHYTOFILTRATION WITH CATTAILS (TYPHA SPP.) CULTIVATION MASTER THESIS FIELD: WASTE MANAGEMENT AND CONTAMINATED SITE TREATMENT SUPERVISOR: ASSC DR LE VAN CAT HANOI-2008 MỤC LỤC MỤC LỤC DANH MỤC...

simultaneous removal of arsenic and ammonia from groundwater by phytofiltration with cattails (typha spp.) cultivation

Danh mục: Khoa học tự nhiên

... role in phytofiltration systems because the type and textile of soil affect physical, chemical, and biological mechanisms regulating the removal of contaminants from water and soil Sandy soil, ... contaminants ) 1.4 Phytofiltration Systems 1.4.1 Characteristics of Phytofiltration Systems a/ Phytofiltration: Phytofiltration, the use of plant with extensive root systems and high accumulation ... are perennial and have a high capacity of biomass production and contaminant storage [R.R Brooks, 1998] They are widely distributed on the shorelines of lakes and streams and in wetland ecosystems...

A new hybrid treatment system of bioreactors and electrocoagulation for superior removal of organic and nutrient pollutants from municipal wastewater

Danh mục: Môi trường

... Influence of operating conditions The results showed that the average removal efficiencies of total COD and ammonium were higher than 76% and 70–99% for HRT of 3.5 h and 4.5 h, respectively One of the ... 1c A bundle of the media consisted of thousands of fibers having a total specific surface area of 560–725 m2 mÀ3, and a specific weight of 0.530 ± 0.027 kg mÀ3 Two flat-sheet modules of submerged ... phosphorus removal process in particular, and a biological process in general throughout all runs 3.2 Total nitrogen removal and mechanism The influent and effluent of T-N concentrations and T-N removal...

An overview of the bacteria and archaea involved in removal of inorganic and organic sulfur compounds from coal

Danh mục: Tổng hợp

... metabolism of inorganic and organic substrates and temperature characteristics of growth (Table 1) Their important feature, however, is the ability to oxidize Fe +, So and sulfide minerals and grow ... presence of ferric iron and elemental sulfur [2] Within different taxonomic groups of such bacteria there is also a wide diversity of species and strains According to nucleotide composition of the ... thermophilic strain of leptospirilli is higher On the basis of the analyses of the primary and secondary structure of the 16s rRNA, we placed moderately thermophilic bacteria of the genus Sulfobacillus...

Riverbank filtration: removal of iron, manganese and hardness

Danh mục: Môi trường

... 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...

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

Danh mục: Môi trường

... 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...

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

Danh mục: Môi trường

... 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 ... 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 ... (25oC) and atmospheric condition The samples were taken then acidified and analyzed for residual arsenic concentration A mixture of 70% As[III] and 30% As[V] was used in all of the experiments and...

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

Danh mục: Môi trường

... - 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...

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

Danh mục: 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...

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

Danh mục: Hóa học - Dầu khí

... 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...

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

Danh mục: Tài liệu khác

... 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) ... modeling, analyzing and designing adsorption systems The adsorption isotherms are one of the most useful data to understand the mechanism of the adsorption and the characteristics of isotherms are...

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

Danh mục: Môi trường

... 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...

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

Danh mục: 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 ... 2a and 2b) and black-inked margins of resection were negative (Figure 3) There were no postoperative complications and hospital stay was 24 hrs The patient is currently 41 months postsurgery and...

báo cáo khoa học: "Use of 3D-computed tomography angiography for planning the surgical removal of pineal region meningiomas using Poppen''''s approach: a report of ten cases and a literature review" pptx

Danh mục: Báo cáo khoa học

... approach The findings of this study suggested that preoperative CTA can greatly aid in the understanding of the anatomical relationship between the deep venous system and the tumor and its blood supply ... clinically feasible for the treatment of meningiomas within the pineal region, and it provides a good prognosis for patients Page of and blood supply [9] The degrees of staining were severe in four ... posterior cerebral and superior cerebellar artery branches in one case, the dura of the origin of straight sinus in three cases and was unspecified in one case Surgical procedures Materials and methods...

báo cáo khoa học: " Reconstruction of defects of maxillary sinus wall after removal of a huge odontogenic lesion using prebended 3D titanium-mesh and CAD/CAM technique" potx

Danh mục: Báo cáo khoa học

... NCG conceived of the study and participated in its design and coordination MS and MR made substantial contributions to data acquisation and conception of manuscript MS and MR drafted and designed ... Many studies in oral and maxillofacial surgery have addressed the benefit of computer-assisted surgery in treatment of head and neck tumors [7,8] Image-guided tumor resection and reconstruction ... view of the odontogenic tumor with an extensive bone loss of maxillary alveolar crest and extension to maxillary sinus and nasal cavity (blue) template of the non-affected left side Outcome of...

báo cáo khoa học:" Endoscopically assisted procedure for removal of a foreign body from the maxillary sinus and contemporary endodontic surgical treatment of the tooth" ppt

Danh mục: Báo cáo khoa học

... body located in the supero medial aspect of the maxillary sinus and partial mucosal thickening of the sinus upon the roots of the upper first molar Page of (page number not for citation purposes) ... maxillary sinus Figure Intraoperative endoscopic view of the foreign body removal Intraoperative endoscopic view of the foreign body removal Page of (page number not for citation purposes) Head & ... roots Discussion Removal of foreign bodies through an endonasal endoscopic approach is the treatment of choice [1] Endoscopically assisted Caldwell-Luc procedure for removal of a surgical bur...

Feasibility study of removal of surface contaminants from solid surfaces using water jets with bubbles and ultrasound

Danh mục: Anh văn thương mại

... may play a large role in the removal process A greater understanding of all these factors would not only enhance our understanding of the dynamics of the removal of surface contaminants via bubble ... agglomeration and removal of surface contaminant removal The summary of this investigation can be found in Chapter of this dissertation The characteristics of impinging bubbles and bubble jets ... was used Ten random readings of the average profile roughness Ra over a distance of 20mm were taken for each of the five specimens A to E As a rule of thumb, the standard deviation of the ten readings...

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