solid liquid and gas wastes

... the reactor and reaches into the gas liquid – solid separator located in the top portion of the reactor The gas – liquid solid separating device consists of a gas collection hood and a settler ... oxygen demand Source: Ref solids The major air emissions are fine and coarse particulates from recovery furnaces and burners, sulfur oxides (SOx) from sulfite mills, reduced sulfur gases and associated ... degasifier is to remove gases such as carbon dioxide and methane and to facilitate efficient settling of solids The volumetric loading rate (VLR) varies from 0.5 to 10 kg COD/m3 day with HRT and...

Ngày tải lên: 11/08/2014, 17:22

... solutions 3.12 Calibration Standard (CAL) A solution prepared from the primary dilution standard solution or stock standard solutions and the internal standards and surrogate analytes The CAL ... rules and land disposal restrictions The laboratory using this method has the respons-ibility to protect the air, water, and land by minimizing and controlling all releases from fume hoods and ... (FD1 and FD2) Two separate samples collected at the same time and place under identical circumstances, and treated exactly the same throughout field and laboratory procedures Analyses of FD1 and...

Ngày tải lên: 22/03/2014, 14:20

... under the E-book tab CHEMISTRY RESEARCH AND APPLICATIONS CHEMICAL REACTIONS IN GAS, LIQUID AND SOLID PHASES: SYNTHESIS, PROPERTIES AND APPLICATION G E ZAIKOV AND R M KOZLOWSKI EDITORS Nova Science ... CHEMISTRY RESEARCH AND APPLICATIONS CHEMICAL REACTIONS IN GAS, LIQUID AND SOLID PHASES: SYNTHESIS, PROPERTIES AND APPLICATION No part of this digital document may ... BAR ASSOCIATION AND A COMMITTEE OF PUBLISHERS LIBRARY OF CONGRESS CATALOGING-IN-PUBLICATION DATA Chemical reactions in gas, liquid, and solid phases : synthesis, properties, and application /...

Ngày tải lên: 28/03/2014, 10:20

... the solid and liquid entering the filter system, Mass of solids in the filter cake: Mass of liquid in the filter cake: Mass fraction of solids in the slurry feed: Total mass of slurry (solid and ... 8 I Solid Liquid Sepurution Technology Here, gravity sedimentation, involving a difference m density between solids and liquids, is used to produce an essentially clear overflow of liquid and ... RJ., 1986, Solid- Liquid Separation-Equipment Scale Up, Uplands Press, Croydon Svarovsky, L., 1981, Chap.1, Solid- Liquid Separatioq 2nd Edn, L Svarovsky (Ed.) Butternorth Shirato,M and Tiller,...

Ngày tải lên: 02/04/2014, 16:35

... masses and sizes and gas flow rates were carried out, in order to check the influence of heat and mass transfer Small masses (20-25mg) of each material, thinly distributed in the crucible and particle ... corrosion, slagging and fouling of boilers and agglomeration when used in fluidized beds [12] On the other hand, RDF ash is richer in calcium and silicon, while poorer in phosphorus and alkali, indicating ... the fields of pyrolysis, combustion, gasification and reduction of pollutant emissions from solid fuels, as well as coal/biomass characterization and physical and chemical beneficiation She is the...

Ngày tải lên: 05/09/2013, 15:28

... Cryptography • Cryptographic algorithms • Understanding cryptography • Understanding PKI • Cryptographic standards and protocols • Key management and certificate lifecycles Section Operational ... courses and enhanced, hands-on labs offer practical skills and tips that you can immediately put to use Our expert instructors draw upon their experiences to help you understand key concepts and ... certifications Healthcare industry and HIPAA (Health Insurance Portability and Accountability Act): This 1996 Congressional Act requires standards be met regarding the security and privacy of data in Copyright...

Ngày tải lên: 21/12/2013, 06:18

... Printed and bound in Great Britain v Contents Preface vii Introduction ix Theory and general principles Gas- diesel and dual-fuel engines Exhaust emissions and control Fuels and lubes: chemistry and ... propulsion and gas turbines Both modes found favour in warships, however, and aero-derived gas turbines have recently secured firm niches in fast ferry and cruise tonnage A stronger challenge from gas ... circle diameters of the input and output gears are respectively = 14 POUNDER’S MARINE DIESEL ENGINES AND GAS TURBINES d1 and d and the speeds of the two shafts are n1 and n2, the circumferential...

Ngày tải lên: 13/02/2014, 16:20

... requiring natural gas or propane as a source of heat; thereby saving valuable and diminishing  natural resources. Space heaters and furnaces are excellent candidates. Stoves and other  cooking units such as barbecue grills can also be fueled by the water‐hybrid system. Such  ... Cut a 1‐1/2” wide ring from the end of the coupling. Referring to Figure 14, and using a  band sander, sand the side of the ring to form a flat surface approximately 1‐1/4” wide.  Sand the side of the ring at another point to form a similar surface. Cut each of two flat  ... LEGAL DISCLAIMER: This book has been edited and revised for content clarity, text readability,  and technological suitability for modern fuel‐injection and older carburetor based vehicles, and is inspired by the original, public domain, Hydrostar conversion plans. ...

Ngày tải lên: 19/02/2014, 04:20

... air, water, and land use impacts associated with oil and gas production nationally and in Region These policies range from the implementation of mandatory emissions limits on oil and gas operations ... unconventional natural gas resources including tight gas sands, shale gas, and CBM Unconventional oil and gas resources are loosely defined as resources that are generally deeper and / or more difficult ... oil and gas production); • Haze precursors (which include ozone, NOx, SO2, and particulates); and In addition, greenhouse gases (GHGs, which include CO2 and CH4) are generated during oil and gas...

Ngày tải lên: 06/03/2014, 16:20

... facilities and Cedar Hills Regional Landfill Fleet facilities take up landfill space and should be relocated to extend the life of the landfill The County projects its Cedar Hills Regional Landfill ... possible? This audit objective includes but is not limited to operational costs associated with solid waste collection, processing and disposal; and collection, treatment and conveyance of wastewater and sewage.  The performance audit was also planned and performed to address the nine elements in Initiative 900 ... divisions include: Solid Waste, Water Treatment, Water Land Resources and Parks and Recreation. The overhead costs in DNRP (DNRP  Admin) consist of assistance and services provided by the director and the personnel from her office including public relations, human ...

Ngày tải lên: 06/03/2014, 23:20

... ECONOMIC IMPACTS FOR IRELAND OF HIGH OIL AND GAS PRICES 15 Ireland‘s dependence on Oil and Gas future dominance of oil and gas in Ireland’s imported fuel mix Ireland is part of a handful of EU 27 countries ... IMPACTS FOR IRELAND OF HIGH OIL AND GAS PRICES  Pathways to risk mitigation and a low carbon future Ireland‘s dependence on Oil and Gas Chapter ,s dependence on Oil and Gas Ireland Pathways to ... and Gas Prices and their Determinants 04 Chapter Baseline Scenario 2025 07 Chapter Economic and Social Impacts of three Oil and Gas Price Scenarios 09 Chapter Ireland’s dependence on Oil and...

Ngày tải lên: 08/03/2014, 06:20

... managing and disposing of transuranic and mixed wastes DOE’s inventory of transuranic and mixed wastes (TM wastes) includes about 155,000 cubic meters of waste stored on some 30 DOE sites and another ... equipment, and trash Early on these wastes were buried in trenches and landfills or managed by the use of seepage and evaporation ponds These practices were recognized as inadequate, and since ... chemical, and radiological properties of TM wastes pertinent to handling, processing, transportation, and storage is costly and time-consuming The problem is amplified by the wide variety of the wastes...

Ngày tải lên: 15/03/2014, 15:20

... the Si–Ni eutectic liquid droplets; Žc continuous diffusion of Si atoms through the substrate liquid ŽSL interface into the liquid droplets, and growth of SiNWs through the liquid wire ŽLS interface; ... substrate liquid interface into the liquid droplets, and then through the liquid droplets–nanowire to stack themselves into nanowires? From a kinetic point of view, the concentration gradient and supersaturation ... fluctuation in Si–Ni liquid droplets are the driving force of the growth On the other hand, the carrier gas ArrH will collide with the surface of the semisphere-shaped Si–Ni liquid droplets and ex- H.F...

Ngày tải lên: 16/03/2014, 15:05

... via a solid liquid solid mechanism by heating They have uniform length and diameter The growth is explained by solid liquid solid model This synthesis method of oriented SiNWs is simple and controllable ... solid (the substrate) liquid interface into the liquid- phase (the Ni Si2 droplets) A second liquid solid (nanowire) interface will form when the liquid phase becomes supersaturated due to thermal ... 930 C, and forms Si2 Ni eutectic liquid alloy droplets Because of the relatively high solubility of Si in Si2 Ni eutectic alloy, more Si atoms will di use through the solid (the substrate) –liquid...

Ngày tải lên: 16/03/2014, 15:14

... ethanol and deposited on amorphous holey carbon membranes Results and discussion 3.1 Gas sensor response Fig 1a shows sensor response to ppm of NO2 and 20 ppm of H2S in synthetic dry air of gas sensors ... gas sensors to (a) 1ppm of NO2 in dry and 50% relative humidity air, (b) ppm of H2S in dry and 50% relative humidity air dependence of the sensor response to NO2 and H2S on humidity for 400 and ... Crystalline structure, defects and gas sensor response to NO2 and H2S of nanocrystalline WO3 were analysed in this work Annealing temperature was varied between 400 and 700 8C Gas sensors based on 700...

Ngày tải lên: 19/03/2014, 16:47

... hand, the sensitivity of sensor to other gases such as petrol, butane and methane is very low, though gas concentration is 1000 ppm Fig shows the relationship between sensitivity and sample gases ... [7] [8] Conclusions Monoclinic and triclinic WO3 compounds can be used as a gas- sensing material for ethanol gas The analysis of the electrical properties and gas- sensing mechanism of WO3 -based ... on the sensitivity gas concentration ˆ 100 ppm) Fig The in¯uence of operating temperature on the sensitivity of the sensor for ethanol and petrol 100 ppm, and for butane and methane 1000 ppm...

Ngày tải lên: 19/03/2014, 16:48

... were not hollow but solid and consisted of carbon and W precursors After HT with gradual heating rate and long duration at HTT (R30 powders), most of the powders showed a solid and nano-porous morphology ... surface area and large pore volume 3.4 Gas sensing characteristics As stated above, the gas responses of the R5 and R0.5 powders were negligible Thus, the gas responses of the R30-RH and R30 240 ... the effective gas diffusion (Fig 5) The gas response was improved fur- Fig Dynamic sensing transients of (a) R30-RH and (b) R30 sensors and (c) gas responses (Rg /Ra ) of R30-RH and R30 sensors...

Ngày tải lên: 19/03/2014, 16:48

... surface-adsorbed species and make them excellent candidates for gas sensing applications [34,35] The gas sensing performance X Shen et al / Sensors and Actuators B 143 (2009) 325–332 329 Fig TEM and HRTEM images ... nanorod arrays and commercial WO3 powders (b) Sensing responses vs gas concentrations of various gases, including 1-butanol, acetone, toluene, 2-propanol, acetic acid, ethanol, gasoline, and heptane ... absorption band gap energy Two regions with a linear relationship are observed in the ranges of 3.5–4.2 eV and 5.0–6.0 eV, respectively, giving two Eg values of 2.77 eV and 2.26 eV The band gap of...

Ngày tải lên: 20/03/2014, 13:04

... detection in gases and liquids, flue gas and fire detection, liquid quality sensors, biosensors and medical sensors Some of the major applications in the home include indoor air quality and natural gas ... homeland security, medical and environmental monitoring and also food safety A desirable goal is the ability to simultaneously analyze a wide variety of environmental and biological gases and liquids ... metabolites and markers, and this can be valuable in measuring both medication adherence and in determining the blood levels of these drugs and medications Some of today’s blood and urine-based...

Ngày tải lên: 20/03/2014, 13:06

... distinct bands at 270, 327, 712, and 807 cm−1 except for the lattice mode band below 200 cm−1 and a small instrumental artifact around 520 cm−1 The four bands fall very 300 Y.S Kim / Sensors and Actuators ... C and the columnar crystals grow larger when an anneal temperature reaches above 600 ◦ C On the other hand, dry air and O2 anneal treatments result in a different onset temperature Fig 2A and ... (A) 400 ◦ C and (B) 600 ◦ C The open circle symbols show raw data, and the solid line corresponds to a sum spectrum of the two dashed lines which are best-fitted curves for the W6+ and W5+ oxidation...

Ngày tải lên: 20/03/2014, 13:11