b amp w boilers for specialty and waste heat applications
Boilers for power and process
Ngày tải lên :
10/03/2014, 20:47
... of bubbling, expanded, and circulating bed technologies AH, airheater; BFBC, bubbling fluidized bed combustion; CFBC, circulating fluidized bed combustion; ECON, economizer; FBHE, fluid bed heat ... waste heat boilers, including liquor-fired boilers and refuse-fired boilers, are left out because of limited and special interest Only boilers of general and wider interest, for both utility and ... Transfer Rates and Gas Velocities in Bubbling Bed Boiler 524 12.4 Comparison of Bubbling (BFBC) and Circulating Fluidized Bed Combustions (CFBC) 529 12.5 Comparison of CFBC/PF ...
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Evapotranspiration covers for landfills and waste sites - Chapter 1 doc
Ngày tải lên :
20/06/2014, 00:20
... excavation for ore Atomic wastes, fuel, and chemicals may be present in landfills and in soils and groundwater over large areas 1.1 Waste Disposal Some municipal and industrial waste is burned, ... the threat from the waste and the waste volume A bioreactor landfill is reusable for waste disposal; it is under development and coming into use at this time (Reinhart and Townsend 1998; US EPA ... Evapotranspiration Covers for Landfills and Waste Sites Cover Waste Bottom liner (a) Cover Waste (b) Cover Fill Contaminated Soil (c) Figure 1.1 Three types of waste containment by covers remediation...
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Evapotranspiration covers for landfills and waste sites - Chapter 2 docx
Ngày tải lên :
20/06/2014, 00:20
... Landfills are warehouses for waste material built to preserve waste for an unknown length of time; that basic requirement controls possible reuse of landfill sites All alternate uses for a landfill ... of waste deposited, whether or not the landfill has a liner, the age of the landfill, whether the landfill is active or inactive, and the amount of leachate produced by the waste The type of wastes ... requirements for the site and support robust vegetative growth For example, ET covers may be impractical where readily available soils have inadequate water-holding capacity The growth habits and properties...
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Evapotranspiration covers for landfills and waste sites - Chapter 3 pdf
Ngày tải lên :
20/06/2014, 00:20
... Town and Johannesburg, landfills with temporary cover of beach sand and pervious silty sand to a depth of 300 mm, the waste seasonally dried to a total depth of 7.5 and 16 m, respectively The waste ... the waste, generally immediately after its disposal and produce mostly carbon dioxide After oxygen depletion in the waste zone, anaerobic bacteria become dominant and waste decay produces both ... © 2009 by Taylor & Francis Group, LLC 32 Evapotranspiration Covers for Landfills and Waste Sites References Albright, W H., Benson, C H., Gee, G W. , et al (2004) Field water balance of landfill...
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Evapotranspiration covers for landfills and waste sites - Chapter 4 doc
Ngày tải lên :
20/06/2014, 00:20
... States, and Alberta, Saskatchewan, and Manitoba in Canada The hydrogeology of the region was measured and described by Ferguson and Bateridge (1982), Halvorson and Black (1974), Doering and Sandoval ... occasional wet years, water percolated below the root zone of wheat during the fallow period and dissolved salt from the saline subsoil The percolating saline water raised the water table under wheat and ... in the surface soil and formed the saline seeps Where native grass grew on the land surface, no water percolated below the root zone, the water table was stable and deep, and no saline seeps...
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Evapotranspiration covers for landfills and waste sites - Chapter 5 doc
Ngày tải lên :
20/06/2014, 00:20
... Northern Great Plains Barley, spring Bromegrass, meadow Canola, Argentina Canola, Polish Corn Wheat grass, crested Wheat grass, western Wheat, spring Wheat, winter Wildrye, Altai Wildrye, Russian ... Conductivity for Two Soils Described in Figures 5.4 and 5.5 Soil and ParticleSize Distribution (% by wt.) Sandy loam (sand: 60%, silt: 30%, and clay: 10%) Clay loam (sand: 33%, silt: 33%, and clay: ... known quantitative description of water flow in porous mediums The basis for modern equations for both saturated and unsaturated soil water flow is Darcy’s equation The actual flow pathways for...
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Evapotranspiration covers for landfills and waste sites - Chapter 6 pot
Ngày tải lên :
20/06/2014, 00:20
... Climate, Weather, and Water Balance 91 Gill, M D., Hauser, V L., Horin, J D., Weand, B L., and Casagrande, D J (1999) Landfill Remediation Project Manager’s Handbook The Air Force Center for Environmental ... Bushland caught 2.5 and 5.8% more precipitation than a nearby rain gage The most likely cause for the difference between the locations was that Coshocton received substantial snow, but Bushland ... mechanism of © 2009 by Taylor & Francis Group, LLC 88 Evapotranspiration Covers for Landfills and Waste Sites water removal in the water balance for an ET cover The ET term in the water balance equation...
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Evapotranspiration covers for landfills and waste sites - Chapter 7 doc
Ngày tải lên :
20/06/2014, 00:20
... Percolation for Waste Stabilization Where decay and rapid stabilization of waste are important goals for landfill remediation, it is important for precipitation to move through the cover and into the waste ... Evapotranspiration-Based Remediation at Air Force Bases The Air Force Center for Environmental Excellence (AFCEE), Brooks City Base, San Antonio, TX http://www.afcee.brooks.af.mil/products/techtrans/landfillcovers/LandfillProtocols.asp ... growth and water use, the potential water storage capacity of the cover is high After several days of plant water stress, the soil water reservoir will be empty, or nearly so, and will thus be...
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Evapotranspiration covers for landfills and waste sites - Chapter 8 potx
Ngày tải lên :
20/06/2014, 00:20
... precipitation into the waste b Isolate the waste and prevent its movement by wind or water c Control landfill gases Federal regulations contain design requirements for the water flow barrier, the drainage ... precipitation into landfill waste may be beneficial Hicks et al (2002) found that increasing surface infiltration into landfill waste by recirculation of waste liquid or by pumping groundwater could ... required for biological stabilization of the landfill waste. ” The innovative bioreactor landfill requires the addition of extra water to the top of the waste to increase the rate of waste decay...
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Evapotranspiration covers for landfills and waste sites - Chapter 9 potx
Ngày tải lên :
20/06/2014, 00:20
... Covers for Landfills and Waste Sites 9.2.1 ater Balance W The model must solve the water balance within the cover soil The hydrologic water balance is the accounting of all water entering and ... equation for variably saturated water flow and convection-dispersion type equations for heat and solute transport HYDRUS-1D is available in three versions: one-, two-, and three-dimensional water, heat, ... for Landfills and Waste Sites P (mm) a 126 Table 9.3 Total P, ET, Q, and PRK Measured at Coshocton and Bushland for the Periods Shown, and the Model Estimates 127 Models for Design and Evaluation...
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Evapotranspiration covers for landfills and waste sites - Chapter 10 docx
Ngày tải lên :
20/06/2014, 00:20
... mid-October, a month with relatively low rainfall; however, the plant cover was beginning a new growth cycle, and evaporative demand was relatively low The soil water content was below the wilting ... and winter wheat Winter wheat is a common crop at both sites At Idabel, the grass cover was switchgrass, and at Goodwell, it was a mixture of short range grasses Tillage during fallow after wheat ... production for both thin and thick soils (Wischmeier and Smith 1978) Figure 10.9 compares estimates for water, wind, and total erosion for winter wheat with different land slopes at Goodwell; the...
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Evapotranspiration covers for landfills and waste sites - Chapter 11 pdf
Ngày tải lên :
20/06/2014, 00:20
... will control both wind and water erosion Seed the desired perennial grasses and forbs directly into the undisturbed standing stubble The stubble cover reduces evaporation of soil water from the ... is forming, but still immature, and the stalks are mature, mow the crop at a height of about 0.2 m (8 in.) to produce standing stubble or kill the crop with chemicals The standing stubble will ... Waste Sites • Work a small ball of soil (half the size of a golf ball) in the hand, and then roll a part of it into a thread or worm it between two hands • If the soil cannot be rolled but smears...
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Evapotranspiration covers for landfills and waste sites - Chapter 12 potx
Ngày tải lên :
20/06/2014, 00:20
... site and the cover Following extreme events, there is potential for water to move into the landfill waste and extra monitoring may be justified For example, following a day precipitation event with ... landfill cover is incompatible with objectives for the cover 12.7 Weed Control Wild free-roaming animals and fire maintained healthy weed-free stands of native grasses before interference by ... determine if troublesome weeds have invaded the cover and the need for action, if any Do not use herbicides to control broadleaf weeds, because they may kill desirable forbs Use mowing during a...
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Evapotranspiration covers for landfills and waste sites - Chapter 13 pptx
Ngày tải lên :
20/06/2014, 00:20
... municipal waste should not exceed 3% of average annual precipitation • Where waste decay or other factors require more water, the allowable leakage may be greater The proposed criterion is based ... Needs Because the quest for knowledge should be unending, the author expects new developments in the future Concepts that appear worthy of research investigation include • A new concept for waste ... humans, and consume capital that should be used to create new jobs and industries producing useful products • Continued development of landfills as rapid waste digesters Important work is underway...
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Evapotranspiration covers for landfills and waste sites - Chapter 14 (end) ppt
Ngày tải lên :
20/06/2014, 00:20
... snowmelt, lateral subsurface flow, and water table dynamics Water and wind erosion—evaluates management practices Nitrogen and phosphorus Influence on water use, plant growth, and root distribution ... calibration data were not available All versions of EPIC evaluate the effects of wind and water erosion on plant growth and food production It was used to predict the relationship between wind and ... Covers for Landfills and Waste Sites References Gassman, P W. , Williams, J R., Benson, V W. , et al (2004) Historical Development and Applications of the EPIC and APEX models Paper number 042097,...
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Báo cáo y học: "κ The roles of the classical and alternative nuclear factor-κB pathways: potential implications for autoimmunity and rheumatoid arthritis" ppsx
Ngày tải lên :
09/08/2014, 10:23
... in the absence of NF- B2 /p100 and thus may be able to functionally replace p52/RelB in the NF B2 knockout Combined deficiency of NF- B2 and the I B family member Bcl-3 leads to a full-blown autoimmune ... and IL-1 as well as IL-17, all induce the classical pathway of NF- B activation (see below), whereas RANKL induces both the classical and the alternative pathway A number of studies have shown ... CCAAT/enhancer binding protein (c/EBP)β and c/EBPδ, which requires not only the SEFIR domain (and CIKS) but also additional receptor domains [124] Many IL-17 target genes contain both c/EBP and NF B binding...
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guide for the use of preplaced aggregate concrete for structural and mass concrete applications
Ngày tải lên :
24/10/2014, 17:44
... Excessive form vibration will encourage bleeding, and usually causes sandstreaking from the upward movement of bleed water Internal vibration serves no useful purpose and should be avoided except for ... 347R Guide for Formwork for Concrete ASTM Specification for Concrete Aggregate Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete C 150 Specification for Portland Cement ... trap air and water as the grout rises in the coarse aggregate These may be placed before or concurrently with the reinforcement 4.4-Forms Forms should be designed and erected in accordance with ACI...
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identification, design and synthesis of oxygenated hydrocarbon-based carbon dioxide-soluble polymers for chemical and petroleum engineering applications
Ngày tải lên :
13/11/2014, 10:49
... CO2 thickener Many basic requirements must be satisfied, for example, a candidate material should be stable and soluble in CO2 at reservoir conditions, and low cost which can be applied in a large ... candidates for CO2-soluble sand binders In summary, although a new CO2 thickener was not identified, new non-fluorous CO2soluble materials were identified, which were, in general, acetate-rich with ... much lower pressure and then fine particles were precipitated with the substantial drop of their solubility.49-51 However, the key drawback is that the compound must have a reasonable solubility...
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Nanostructured electrode materials for lithium and sodium battery applications
Ngày tải lên :
08/09/2015, 18:44
... regulation kW Super Capacitors with high power 10 kW 100 kW MW 10 MW 100 MW 1GW Power rating Figure 1.1 Choice of electrical energy storage system for electric grids based on discharge time and power ... C16-LTO, LTO-BM and LTO-BM-Cal Inset of the figure compares the peak broadening of samples before and after ball-milling followed by heat treatment 185 Figure 6.4 XRD patterns of C8 and C16-LTO ... hand, low cost sodium ion batteries (NIBs), despite their low energy densities are being revisited especially for large scale renewable energy storage applications Such renewed interest in NIBs emanates...
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Metal assisted chemically etched silicon nanowire systems for biochemical and energy storage applications
Ngày tải lên :
09/09/2015, 11:29
... will be briefly discussed including bottom-up and top-down methods Next, metal-assisted chemical etching of Si will be reviewed, which will be followed by the bioanalytic, biomimetic and energy ... chemical etching will be reviewed, which will be followed by the discussions of etching rate, etching direction and porosity This chapter will end with the review of bioanalytic, biomimetic and energy ... As shown in Figure 2.15(d) & (e), both carbon coated and bare Si nanowires based anodes showed degraded performance within 10-25 cycles, which were possibly due to the poor adhesion between the...
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