0 Articles
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Regional Health Effects of Demand-Side Energy Management Using Exposure Efficiency
Life cycle impact assessment is usually plagued by the assumptions of site independence and uniform mixing of pollutants in a compartment (e.g., atmosphere), which are not valid for all air pollutants. In this paper we propose using the concept of exposure efficiency to simplify the damage pathway analysis without compromising the consideration of site-dependent characteristics. Our case study ...
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Soil erosion impact on soil organic carbon spatial variability on steep tropical slopes
The main objectives of this study were to evaluate soil organic C (SOC) variability in a representative hillslope of Laos and to quantify the impact of some environmental factors. We collected 2348 soil samples from 581 georeferenced soil pits within a hillslope of northern Laos under traditional shifting cultivation at 0- to 0.05-m depth and then every 0.1 m to 0.35-m depth. The SOC stocks at 0- ...
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Adsorption of crystal violet with diatomite earth&carbon by a modification of hydrothermal carbonization process
The high colority and difficulty of decolorization are the most important tasks on printing and dyeing wastewater. This study investigates the ability of diatomite earth&carbon (DE&C) as an adsorbent to removal crystal violet (CV) from aqueous solutions. Fourier transform infrared spectroscopy results indicate the importance of functional groups during the adsorption of CV. The ...
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Energy and exergy analysis of R22 and its alternatives in a vapour compression refrigeration system
In this paper, energy and exergy analyses and performance comparison of R22 and its alternatives, R407C and R410A, in a vapour compression refrigeration system (VCRS) have been presented. For this aim, detailed first law (energy) and second law (exergy) analysis of these three refrigerants have been performed. Analyses have been performed for different evaporator (range of -40°C to 0°C ...
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Measurement of Sulfur in Refinery Flare Gas Streams for Compliance with EPA SubpartJ(a) Regulations
The Challenge Measurement of high range and low range H,S in refinery flare gas streams for compliance with EPA regulation NSPS Subpart J(a). The rule has placed an extra investment and operational burden on petroleum refineries to meet the regulatory requirement. AMETEK offers an economical solution to meet the challenge with an emphasis on lower capital and operating cost along with improved ...
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Energy efficiency and a cold marriage
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Octane Test Engine Intake Air System
Octane Test Engine combustion air is drawn through the intake air system from the room where the engine is installed. The intake air system incorporates intake air humidity refrigeration unit. It includes an electric heater, and piping to direct the conditioned air into the throat of the engine carburetor. Intake air temperature is measured by a thermometer installed in the inlet air pipe. The ...
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WAGABOX® unit of Pavie - Project
Pavie landfill (France) Commissioning: 30th May, 2018 40 000 tons of waste per year Biogas: 40-50% CH4 | 0-3% O2 | 500 ppmv H2S | 5-25 % N2 Distance of the gas grid: 3 kilometers Existing gas recovery solution: leachate evaporation Capacity: 15 GWh/year (51,180 mmBtu) ...
By Waga Energy
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Effect of a discrete heat source location on entropy generation in mixed convective cooling of a nanofluid inside the ventilated cavity
In this paper, the effect of localised heat sources on entropy generation owing to mixed convection flow in a vented square cavity has been studied numerically. Laminar steady forced convection flow of copper–water nanofluid through the cavity has been affected by density variations as a result of heat input from a wall–mounted heat source. To investigate the effect of the heat source location, ...
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WAGABOX® unit of Gueltas - Project
Gueltas landfill (France) Commissioning: 13th november 2018 200 000 tons of waste per year Biogas :45-50 % CH4 | 0-5 % O2 | 1 000 ppmv H2S | 5-20 % N2 Distance of the gas grid: 6 kilometers Existing gas recovery solution: Combine Heat and Power Capacity: 25 GWh/year (85,300 mmBtu) ...
By Waga Energy
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WAGABOX® unit of Saint-Maximin - Project
Saint-Maximin landfill (France) Commissioning: 26th June, 2017 200 000 tons of waste per year Biogas: 45-50% CH4 | 0-3% O2 | 7 000 ppmv H2S | 5-20 % N2 Distance of the gas grid: 1.2 kilometer Existing gas recovery solution: leachate evaporation Capacity: 25 GWh/an (85,300 mmBtu) ...
By Waga Energy
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WAGABOX® unit of Saint-Florentin - Project
Saint-Florentin landfill (France) Commissioning: 14th February 2017 70 000 tons of waste per year Biogas: 40-50 % CH4 | 0-3 % O2 | 1 500 ppmv H2S | 5-25 % N2 Distance of the gas grid: 3 kilometers Existing gas recovery solution: leachate evaporation Capacity: 25 GWh/year (85,300 mmBtu) ...
By Waga Energy
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WAGABOX® unit of Saint-Palais - Project
Saint-Palais lanfill (France) Commissioning: 6th november 2018 90 000 tons of waste per year Biogas :40-50% CH4 | 0-3% O2 | 1 000 ppmv H2S | 5-20 % N2 Distance of the gas grid: 1.6 kilometer Existing gas recovery solution: Combine Heat and Power Capacity: 20 GWh/year (68,200 mmBtu) ...
By Waga Energy
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Bio-oil upgraded by catalytic co-pyrolysis of sawdust with tyre
We have investigated the improvement in the quality of bio-oils by catalytic co-pyrolysis of sawdust and tyre mixture in an integrated reactor. The vapours from co-pyrolysis are allowed to pass through a desulfurising layer composed of zinc oxide and then through the catalytic layer consisting of silver (Ag), palladium (Pd), molybdenum (Mo), or vanadium (V) supported over SBA-15 or HZSM-5. The ...
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What is the accuracy class of energy meter?
Is there a difference between Class 1 energy meters and Class B energy meters?As a measuring device for electrical energy, the accuracy class of energy meter is very important and relates to the accuracy and fairness of energy measurement. If the accuracy class of energy meter is too low, it will result in a significant error in measurement, which will affect the interests and fairness of users. ...
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Guomao HB Series Industrial Bevel Helical Gearbox factory
促销中 Industrial Gearbox Industrial Bevel Helical Gearbox, Guomao Reducer Group, helical parallel bevel speed gear box, manufacturer factory Category: Gearboxes. Tags: helical-bevel, right-angle. Description Inquiry Us A. Characteristics 1.The gear is made of high strength low carbon alloy steel through carburization and quenching. The hardness of tooth surface may reach to HRC58-62. All ...
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Safe disposal of exhaust gas from storage tanks in Finland
Type HOFGAS®--IPM 6500 and 4 xHOFGAS®- IFM4c 15000 Performance Blower station 6,500 Nm³/h - Flare burner 4x1,650 Nm³/h / 4x15,000 kW Client Neste Jacobs Oy (FI) Situation Every fortnight a tanker delivers oil from Russia to Finland. The tanker docks at the port of Naantali and the oil is conveyed to storage tanks below ground. Gas is liberated at the same time. This exhaust gas ...
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Photocatalytic H
2production from ethanol over Au/TiO2and Ag/TiO2This paper compares the photocatalytic activities of Au/TiO2 (Au loadings 0-4 wt.%) and Ag/TiO2 photocatalysts (Ag loadings 0-4 wt.%) for H2 production from ethanol–water mixtures under UV irradiation. Au and Ag nanoparticles were deposited on commercially available Degussa P25 TiO2 (85% anatase, 15% rutile) using deposition–precipitation and liquid impregnation methods, respectively. TEM ...
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KNOWING THE PLANT’S STEAM QUALITY
Steam quality is the proportion of saturated steam (vapor) in a saturated condensate (liquid)/steam (vapor) mixture. A steam quality of 0 indicates 100% liquid (condensate), while a steam quality of 100 indicates 100% steam. One pound of steam with 95% steam and 5% of liquid entrainment has a steam quality of 0.95.The measurements needed to obtain a steam quality measurement are temperature, ...
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Magnetic characteristics of permanent magnetic materials
Magnetism is the basic property of matter as well as force, heat, electricity and light. Materials with ferromagnetism are usually called magnetic materials. The biggest characteristic of magnetic materials is the hysteresis behavior, that is, the magnetization M changes with the external magnetic field. When H returns from a certain state to zero, M still maintains a certain size. Only when the ...
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