removal of iodine compounds from waste water streams by means of nanofiltration
Removal of congo red from wastewater by adsorption onto waste red mud
... Namasivayam, and C and Technol., by by solutions K of waste congo slurry red J 53 : 153 - 157 (1992) N Removal waste : 32 - 42 N Removal celluosic Removal biogas by Technol Muniasamy, (1996) T ... the removal aqueous red mud industrial hydroxide(8) wastewater employed (7) and the of wastewater dye as a typical case (13) EXPERIMENTAL Materials Waste Aluminium the at Factory adsorbent water ... cost Prot R wastewater and by hydroxide Yamuna, R adsorption Waste T on Dye waste Management, : 14 (1994) S., Prasad, G and chrome dye from aqueous : ash fly by : Indian - Jeyakumar, removal red...
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Study of contaminants stemmed from the waste water of the Ivorian Refining Company
... Ivorian Refining company gave us some samples of these waste waters The samples were taken from the outlet of the treating tank in which polluted waters from different sources are collected This ... extracted by means of pentane The extraction efficiency is improved by a salting out effect, mixing CaCl2 brine to each waste water sample This salt improves the relative affinity of hydrocarbons ... under the influence of gravity, goes down in the equilibrium column and then, in the observation tanks So, all of the waste waters treating process focuses on the removal of non-dissolved impurities,...
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Feasibility study of removal of surface contaminants from solid surfaces using water jets with bubbles and ultrasound
... ratio of air interfacial tension Radius of bubble Density of water gravitational acceleration thermal diffusivity of gas speed of sound in water speed of sound in air shear viscosity of water ... water) diameter of the bubble surface tension coefficient of water final velocity of bubble Approach velocity of bubble Acceleration/deceleration of bubble Angle of impingement Upward force of ... 122 6.1.5 The removal of microalgal biofilms by equilibrium bubbles on a large scale over a prolonged period of time 125 6.2 The removal of microalgal biofilms by non-cavitating bubbles...
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Selective removal of estrogenic compounds from aqueous solution using novel adsorbent molecularly imprinted polymer
... Domestic wastewater Industry wastewater Urban runoff Agriculture runoff Aquatic environment: surface water, underground water, river, sea water, sediments in receiving water WWTP Leachate from Sludge ... adsorption of target compounds (Fukuhara et al., 2006 and Zhang et al., 2005) So far, conventional processes were reviewed in the removal of estrogenic compounds From the viewpoint of water and wastewater ... distance of target compounds in the interior of MIP What is more important is that the removal mechanism of estrogenic compounds in water by MIP is still unrevealed thoroughly, especially in terms of...
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Báo cáo y học: " Surgical Removal of lipoma from an area with tattooed skin"
... 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 is to highlight the use of pre-existing ... 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' ... to meet the need of our patient of removing the lipomatous formation while keeping the tattoo intact, during the surgical treatment of the lipoma, we followed the exact lines of the tattoo itself...
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Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body
... system, and the removal of nitrogen should be considered, too References [1] Department of Water Environment, Ministry of the Environment, Japan July 2002 Outline of Administration of Water Environment ... improving water quality was carried out by removal of SS and biological filtration in the closed water body, Tokiwako Lake in Ube city The developed system is useful for improvement of water quality ... tank outflow upflow arrangements of flow third tank Figure Schematic diagram for improvement of water quality by removal of SS and biological filtration in closed water bodies a a: screw motor Ｍ...
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Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon
... 70.19m²/g, pore volume of 0.00062cm3/g and pore size of 126Å Preparation of AC-Fe AC from coconut shell was taken from MAPECOH, Inc (Philippines) with a particle size of 0.45-0.71mm after sieving ... in a series of 1000mL 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 ... is one of the most important parameters to look at in column study for arsenic removal by sequential combination of LA and AC-Fe In Figure 10, at flow rate of 5mL/min or space velocity of 1.22m3/m3...
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Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal
... 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 equipment are shown ... Substances from Municipal Solid Waste Compost, Journal of Environment Quality,31, 1885-1892 Ministry of the Environment (2008) Results of the FY2007 Water Quality Survey of Public Water Areas, ... structure of this equipment Relation of removal ability among substances As the removal ability of a substance may be affected by other substances, we investigated the correlation of reduction...
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Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon
... (2007b) Removal of Trivalent Arsenic (As[III]) from Contaminated Water by Calcium Chloride (CaCl2)-Impregnated Rice Husk Carbon Ind Eng Chem Res., 46, 2550-2557 Prasad, G (1994) Removal of As(V) from ... prepared from an available, cheap source of carbon (rice husk carbon) and the most effective agent (iron) for the removal of both As[III] and As[V] from simulated groundwater using a mixture of 70% ... percentage removal of total arsenic was 68.77, 81.99 and 88.00% for pH of 5, and 9, respectively The same behavior was observed in the study by Mondal et al (2007a) for the removal of arsenic by GAC-Fe...
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Removal of Cadmium from Aqueous Solutions by Charcoals Prepared from Giant Reed (Arundo donax)
... 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 ... 1.1 N 0.5 Ash 3.1 Journal of Water and Environment Technology, Vol 8, No.4, 2010 Removal of cadmium from aqueous solutions For estimating the removal rate, time courses of cadmium concentration ... Removal of Copper(II) and Cadmium(II) in Water by Use of Roasted Coffee Beans, J Chem Soc Japan, No 3, 459-461 (In Japanese) Petrov N., Budinova T and Khavesov I (1992) Adsorption of the ions of zinc,...
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Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model
... potential (m3/mg of waste) , Mi = the mass of solid waste in the ith section of the landfill (mg), ti = the age of the ith section of the section of the landfill (years), t = the age of the landfill ... the mass of non-degradable solid waste should be subtracted from the total mass of solid waste in a particular section of the landfill, however; this is contingent on the availability of a record ... gas that is produced per category of waste material and per mass of waste, however; only few studies have reported air emission of NMOC from municipal solid waste sites [3, 5] This coupled with...
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Photodegradation and removal of phenol and phenolic derivatives from petroleum refinery wastewater using nanoparticles of TiO2
... degradation of phenolic component in petroleum refinery wastewater provided was more than 90% removal of these component about 120 This shows that the process is promising for the removal of phenolic compounds ... nanoparticles of TiO2 mixed phase of anatase: rutile with highest activity with 21nm in size were purchased from plasmachem Co Surface area by BET is 80 m2g-1 [22] The analysis of wastewater is illustrated ... set up of the photoreactor for the treatment of phenol and phenolic derivatives in petroleum refinery wastewater _ + Figure Experimental set up of photoreactor for the treatment of phenolic compounds...
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Preparative isolation and purification of six volatile compounds from essential oil of Curcuma wenyujin using high-performance centrifugal partition chromatography doc
... total of mg of curdione (1), mg of curcumol (2), 10 mg of germacrone (3), 18 mg of curzerene (4), mg of 1,8-cineole (5) and 17 mg of b-elemene (6) from the essential oil (300 mg) in 2.4 mL of the ... temperature Both of the upper and the lower phases were degassed for 30 by ultrasonication before use Aliquots of 300 mg of the essential oil were diluted by 2.4 mL of the mixed solution of lower phase ... coefficient K of the target compounds The K values were determined by GC-MS analysis as follows: One drop (about mg) of the essential oil was added to the mixture of equal volume of the upper...
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Báo cáo "Reseach on the removal of hexavalent chromium from aqueous solution by iron nanoparticles " doc
... removed by iron nanoparticals, while only 24.75% Cr(VI) concentration was removed by iron powder Conclusion The removal of Cr(VI) by Fe0 nanoparticles was studied, the concentration of Fe0 nanoparticles ... reduction of Cr(VI) When the mass ratio of Fe0 to Cr(VI) was 50:1, 100% removal efficency was achieved pH has important effect on Cr(VI) removal efficiency, the optimal pH was from 2.5 to Cr(VI) removal ... the concentration of initial Cr(VI) After 20 minutes, the removal is 100% at concentration of 2mg/l and 69.32% at concentration of 5mg/l When treatment time increased then Cr(VI) removal efficiency...
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Báo cáo "A study of waste water impacts of main factories on water quality of To Lich river, Ha Noi " doc
... influence of pollutants loads in factory waste water on water quality of To Lich river To assess the pollutants load in factory waste water to water quality of the river some parameters from the ... system, so its waste water discharge meets the standard The concentrations of heavy metals in waste water of the factories meet the standard Calculations of pollutants loads in waste water from some ... 0.6 tons of total phosphorus, 1.6 tons of nitrogen and 25 tons of oil and grease; HASO - 30 tons of BOD, 33 tons of TSS and tons of oil grease Thus, the pollutants loads in waste water by three...
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Relative risk of surface water pollution by E. coli derived from faeces of grazing animals compared to slurry application pptx
... onset to completion of 16 Water pollution by E coli derived from animal faeces and slurry Table Summary of outputs of E coli (c.f.u ha±1) and water in drainage and runoff from plots, assuming ... British Society of Soil Science 2004 22 Water pollution by E coli derived from animal faeces and slurry APPENDIX Proof that the risk of E coli leaching from soil is always higher from a single ... course of a similar rain event, which indicated progressive release of bacteria from the slurry remnants and/or from the soil surface (Figure 3) 18 Water pollution by E coli derived from animal...
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DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf
... for determination of organic compounds in finished drinking water, source water, or drinking water in any treatment stage The method is applicable to a wide range of organic compounds that are ... organic compounds are eluted from the LSE cartridge or disk with small quantities of ethyl acetate followed by methylene chloride, and this extract is concentrated further by evaporation of some of ... equivalent 7.3.2 Reagent Water Water in which an interference is not observed at the method detection limit of the compound of interest Prepare reagent water by passing tap water through a filter...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional Offices Also, SPARC has been used ... number of molecular structures The values of these latter parameters, in most instances, must be derived from measurements or from the expert judgment of specialists in that particular area of chemistry ... hydrolysis rate constant in water and in non-aqueous solution 3.1 Estimation of Ionization pKa in Water 3.1.1 Introduction A knowledge of the acid-base ionization properties of organic molecules is...
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Báo cáo khóa học: Fidelity of targeting to chloroplasts is not affected by removal of the phosphorylation site from the transit peptide doc
... proposed as a possible means of ensuring specificity for chloroplast import However, our results demonstrate that removal of the phosphorylation motif from the transit peptides of tobacco and pea ... transit peptide Targeting of GFP in vivo by wild-type and mutated transit peptides of tobacco SSU The ability of the SSU transit peptides to target GFP in vivo was investigated by transient expression ... punctate pattern of these smaller organelles is apparent The scale bar in all images is 10 lm Effect of alteration of phosphorylation site on GFP-targeting by transit peptides of pea SSU and dual-targeted...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25