Energy recovery

Xem 1-20 trên 44 kết quả Energy recovery
  • Landfill gas from a source of green energy, clean, renewable and can be used to create electricity, or used in the energy industry. This paper reviews the potential energy recovery landfill gas from municipal solid waste, to reducing methane emissions in particular, and reduced greenhouse gas emissions in general. In addition, this paper provides an assessment using the model of methane generated from landfill municipal solid waste and generate energy potential of gas recovered. In particular, this paper uses a life cycle assessment methods ......

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  • Revised to cover the latest innovations and trends, the newest edition of this classic work provides detailed coverage of every component of effective energy management. It includes expert information on, boilers, steam systems, cogeneration, waste-heat recovery, HVAC systems, control systems, systems maintenance, industrial insulation, indoor air quality, thermal energy storage, and codes and standards.

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  • carbon dioxide recovery systems In the fermentation process, the yeast feeds on the wort to produce carbon dioxide and alcohol. This carbon dioxide can be recovered with closed fermentation tanks and used later in the carbonation process. The fermentation process generates about 8-10 lbs/barrel wort (3-4 kg CO2/hl) (Lom and Associates, 1998). Typical CO2 scrubber operations require 2 kg of water per kg of carbon dioxide (Dell, 2001). A large brewery can become self-sufficient for CO2 if a well-designed plant is installed to recover CO2 from fermentation. The U.S.

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  • The National Research Council was asked by the U.S. Navy’s Office of Naval Research (ONR) to assess the current capabilities of free-electron lasers (FELs) to deliver large amounts of energy; assess the prospects for developing such devices with megawatt average power capabilities; identify the key technical problems that must be solved to achieve such performance; and evaluate the feasibility of achieving power, energy, and other technical parameters specified by the Office of Naval Research.

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  • Oracle 10g Data Mining Administrators Guide WW
    Oracle Database 10g, released in 2003 and the current release, enables grid (the g in 10g) computing. A grid is simply a pool of computers that provides needed resources for applications on an as-needed basis. The goal is to provide comput- ing resources that transparently scale to the user community, much as an electri- cal utility company can deliver power to meet peak demand by accessing energy from other power providers’ plants via a power grid.

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  • Introduction 1 Ideal Diode 1 Semiconductor Materials 3 Energy Levels 6 Extrinsic Materials—n- and p-Type 7 Semiconductor Diode 10 Resistance Levels 17 Diode Equivalent Circuits 24 Diode Specification Sheets 27 Transition and Diffusion Capacitance 31 Reverse Recovery Time 32 Semiconductor Diode Notation 32 Diode Testing 33 Zener Diodes 35 Light-Emitting Diodes (LEDs) 38 Diode Arrays—Integrated Circuits 42 PSpice Windows 43

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  • If the 20th century could be characterized by the rapid increase in the production and consumption of materials that helped improving the standards of living, then the 21st certainly has many elements to qualify as the century of recycling. Since the duration of life of a number of wastes is very small (roughly 40% have duration of life smaller than one month), there is a vast waste stream that reaches each year to the final recipients creating a serious environmental problem.

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  • Oracle 10g Client Release notes for Windows WW
    Oracle Database 10g, released in 2003 and the current release, enables grid (the g in 10g) computing. A grid is simply a pool of computers that provides needed resources for applications on an as-needed basis. The goal is to provide comput- ing resources that transparently scale to the user community, much as an electri- cal utility company can deliver power to meet peak demand by accessing energy from other power providers’ plants via a power grid.

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  • As motive force of processes, heat must be transferred from one fluid to other, task that is performed by means of heat exchangers. From this point of view, heat exchangers represent an important element of thermal facilities that has substantially contributed to technical development of the society. Today it is impossible to imagine any branch of process engineering and energy technology without involvement of heat exchangers. Advanced models of these apparatus were proposed in the middle of the 18th century, while theoretical backgrounds have been completed a century later....

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  • we were putting about 10°F into the makeup air simply ... MAKE–UP. AS. 3. AIR SEPARATOR. N. RUN–AROUND–COIL HEAT RECOVERY FLOW DIAGRAM. PHASE IV ...

    pdf8p tuanhung 12-06-2009 68 7   Download

  • decreasing their value added. Successful, cost-effective investment into energy efficiency technologies and practices meets the challenge of maintaining the output of a high quality product while reducing production costs. This is especially important, as energy efficient technologies often include “additional” benefits, such as increasing the productivity of the company. Energy use is also a major source of emissions in the refinery industry, making energy efficiency improvement an attractive opportunity to reduce emissions and operating costs.

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  • On the other hand, salinity affects 7-9 % of the world’s land area (Szabolcs, 1994), and the area is increasing (Ghassemi et al., 1995). Nowadays, one of the major technological goals of the energy production is the replacement of the fossil-based fuel for biofuel, mainly due to environmental issues. Bearing that in mind, it is mandatory to investigate the effect of water deficit and salinity stress in plant species with high potential for application in large scale production of nonfossil based fuels....

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  • In many industries, including telecommunications, transportation, and energy as well as chemicals and food and beverages, firm performance and success largely depend on external factors. The main levers for profitability in those industries are heavily influenced by regula- tory actors who impact strategic choices of corporate management.

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  • Later, in oder to get a set of parameters represents the time window of brain signals that the process feature extraction is done, because the major changes in brain activity related changes in the amplitude of frequency energy band spectrograms based on FFT is used to vectors have been the original features of the six components (Obermaier et al, 2001) (Proakis & Manolakis, , 1997).

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  • In a world where the population is expected to rise to 10 billion by the turn of the century, accelerating urbanisation and the increasing the demand for food and energy; taking action to secure sufficient water of acceptable quality for humans and nature is as urgent as ever. Climate change is projected to aggravate water stress in many regions, especially where water is already scarce and where the demand for water is growing rapidly. Increased frequency of floods is also projected.

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  • Sports nutrition is often the missing piece in the athlete’s training regimen. The attention and effort are directed toward optimizing strength, speed, stamina, and recovery, but too often, nutrition is not the priority, resulting in performance impairment rather than enhancement. Sports medicine professionals need to be able to educate athletes on not only the what (food and drink), but also the why, when, where, and how much to consume. Athletes are bombarded with nutrition information, but much of what they read can be contradictory, confusing, or incorrect....

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  • Capital ownership costs for milk production (economic depreciation and interest) are computed using the capital recovery approach. Capital recovery is an estimate of the cost of replacing the capital investment for cattle housing, milking facilities, feed storage structures, manure handling and storage structures, feed handling equipment, tractors, trucks, and purchased dairy herd replacements used up in the annual production process, plus interest that the remaining capital could have earned in an alternative use.

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  • Like Philadelphia’s neighborhood gardens planted on hundreds of acres of vacant lots throughout the city, the murals are a symbol of civic care and of a public commitment to revitalization. Murals are a bridge between public art, community revitalization and youth development. In a city like Philadelphia, which has lost half a million residents over a fifty-year period, the recovery of a vacant wall or a vacant lot is akin to fixing the “broken window;” it sends a signal about civic and public norms and neighborhood capacity.

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  • Height and weight of the subjects were measured using standard procedures. The weight was measured using SECA balance with minimum of cloths to the nearest of 100 gms and height was measured using an anthropometric rod to the minimum of 0.5 cm. Body mass index (BMI : weight in kg/height in meters2 ) was calculated from heights and weights. A value ≤ 18.5 is considered as a cut-off point for chronic energy deficiency (CED) or undernutrition (thinness), while BMI ≥ 25 is considered as overweight or obese. Prevalence of diseases in both groups separately was calculated.

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  • It is unlikely that a person would wake up one morning and say, “Grief, what a concept, I think I’ll make it my life’s work.” That is not how it happened for either of us. We are John W. James and Russell Friedman, and together we represent the Grief Recovery Institute. Here is a little outline of our lives, the institute, and the evolution of The Grief Recovery Handbook. John was thrust painfully into this arena by the death of a child in 1977. After discovering a successful process for completing his grief, he continued his career in the solar energy design business.

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