natural gas compression Articles
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How Waste Fleets Can Maximize Fuel Savings While Adopting CNG
Natural gas and, specifically, compressed natural gas (CNG) fueling stations and vehicles running on CNG were all over the industry news in 2012. Organizations such as Republic and Veolia added CNG collection vehicles to their fleet makeup in Pennsylvania, Texas and Wisconsin, while Waste Management opened more than a dozen CNG fueling stations to support its growing fleet of CNG vehicles. While ...
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Strategies for the promotion of cleaner and energy efficient technologies in the urban transport system in selected Asian cities
This paper presents key findings of a study conducted under Asian Regional Research Programme in Energy, Environment and Climate on least cost options to meet the projected transport service demand in eight selected Asian cities. It also presents the barriers to the adoption of the selected cleaner transport options. Furthermore, it discusses some policies and measures to promote the cleaner ...
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Optimising Compressed Natural Gas filling stations reservoir pressure based on thermodynamic analysis
A theoretical analysis has been developed to study the effects various parameters on the Compressed Natural Gas (CNG) filling process and the conditions. The analysis is based on first and second laws of thermodynamics, conservation of mass and the AGA8 Equation of State (EOS). Based on AGA8 EOS and thermodynamics relationships, the required properties of natural gas mixtures have been ...
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Exergy analysis and performance evaluation of CNG to LNG converting process
A process for converting Compressed Natural Gas (CNG) to Liquefied Natural Gas (LNG) is modelled thermodynamically and effects of design and operating parameters on exergy destruction and performance of the process are studied. Results show that CNG pressure, pressure after Joule?Thomson valve, and temperature of CNG after heat exchanger of refrigerating system have significant effects on optimum ...
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The Delhi Pollution Case: Can the Supreme Court Manage the Environment?
Judicial activism in the Indian Supreme Court has cre- ated major reforms in the protection of human rights and has put the Court in a unique position to intervene when it sees violations of these fundamental rights. But the Court’s eagerness to right societal wrongs can lead it to take deci- sions that are within the province of executive agencies. By usurping the role of agencies and directing ...
By IOS Press
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Externalities in North–South technology transfer: the case of CNG engines in Iran
This contribution focuses on illuminating the challenges and difficulties of North–South technology transfer. The central message of this paper is that North–South technology transfer is not simply a contract between two transacting firms and does not depend only on intra–firm and inter–firm factors. The process may also be influenced by a number of external factors, beyond the control or power ...
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Compressed natural gas use in garbage trucks
The White Paper is developed by WIH Resource Group (WIH) and was created from industry research and analysis of the current use of Compressed Natural Gas (CNG) in refuse (municipal solid waste – MSW) collection vehicles by both public sector agencies and private sector service providers throughout the United States. The waste management industry’s interest in this information is to assess the ...
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World’s Fastest Compressed Natural Gas Car - Case Study
Fueled by Clean Air Power gas injectors, the Lessman Streamliner proved to be the world’s fastest natural gas vehicle when it hit an official speed of 370 mph at the Bonneville Salt Flat in September 2018. Lessman is motivated to demonstrate the performance of green fuel technology with the new goal of 400mph set as the target for 2021. With an official timed speed by the Southern ...
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A study on the amount of pilot injection and its effects on rich and lean boundaries of the premixed CNG/air mixture for a CNG/diesel dual-fuel engine
A sequential port injection, lean-burn, fully electronically-controlled compressed natural gas (CNG)/diesel dual-fuel engine has been developed based on a turbo-charged and inter-cooled direct injection (D.I.) diesel engine. During the optimisation of engine overall performance, the effects of pilot diesel and premixed CNG/air mixture equivalence ratio on emissions (CO, HC, NOx, soot), knocking, ...
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Analysis of policy options for promotion of clean and energy efficient technologies in the transport sector in Beijing
As a extra-large city in China, Beijing faces a serious problem with air pollution. In 1998, a package of air pollution control measures was announced by local government. However in order to reach environment target, further policy options have to be explored. Based on previous studies on technology choices for urban transport in Beijing, this paper presents a policy assessment to examine these ...
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Case study - Grand Junction sets the pace with Colorado’s first biogas-to-vehicle fuel project at the Persigo wastewater plant
In Georgia, renewable compressed natural gas (R-CNG) fuels sanitation vehicles and generates income for DeKalb County. Summary: Designed, built, and operated by the Energy Systems Group, the DeKalb County Renewable Fuels Facility became operational in Apiil 2012. It is die first facility in the US to have a fueling station on-site and generate electricity, renewable natural gas (RNG), and ...
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From the source to the steering wheel: EnviThan makes inroads into fuel market in China - Case Study
Location:Penglai City (Shangdong province, China) Capacity:2 x 1000 Nm³/h biomethane Input materials:Poultry litter from the owner’s approx. 1 million head of poultry Features:This plant is the first biogas upgrading plant from EnviTec Biogas in China. Both of the structurally identical EnviThan upgrading systems, each with a capacity of 1.000 Nm³/h biomethane, deliver ...
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Solution concepts for the production of biogas
With its products that go to form part of biogas plants, it is not only a significant pioneering role that Hofstetter Umwelttechnik AG in Switzerland deserves. The company in Berne also adopts a leading position on the worldwide market for utilizing biogas. Hofstetter products – the socalled flares and compressor stations – are designed both for fermentation plants for biomass and for plants for ...
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Reducing CO2 in the transport sector in Japan
In this paper, we have investigated the cost-effectiveness of alternative fuel vehicles as a measure for CO2 reduction. Computed results indicate that the installation of alternative fuel vehicles is much more expensive than fuel switching in industry or the power generation sector. However, some economic incentives will make the price go down to the level at which alternative fuel vehicles are ...
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Case study - Pierce County, Washington: home of the first public transit fleet in the country to run on renewable natural gas
Summary: Li 1986 Pierce Transit was one of the first public transit agencies in the U.S. to trade in its diesel and gasoline-powered buses for buses fueled by compressed natural gas (CNG). 27 years later, this pioneering Agency has just finalized a new contract with the local utility, Puget Sound Energy, to buy an even better fuel: the renewable compressed natural gas (R-CNG). This fuel is ...
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Natural gas as a promising alternative fuel for passenger cars
The present work (as a field study) investigated the role of compressed natural gas (CNG), as an automotive fuel in CO, HC and CO2 emissions in vehicle exhaust. Besides evaluating the influence of the fuel-feed systems into their cylinders on a vehicular emission level, two different systems were examined; electronic fuel-injection and well-carburetted engines. The chosen vehicles were already in ...
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Blue Line Biogenic CNG Facility - Case Study
In partnership with Blue Line Transfer Inc. and South San Francisco Scavenger Co., ZWE designed and developed the Blue Line Biogenic CNG Facility- a project essential in addressing numerous AB 32 requirements. A SMARTFERM dry AD facility will transform 11,200 tons of food and green waste per year into biogenic compressed natural gas (bio CNG), and provide digestate that will be transformed into ...
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DeKalb County Renewable Fuels Facility
Location: Seminole Road Landfill Ellenwood, Georgia Partners: DeKalb County Department of Sanitation Energy Systems Group Clean Cities Atlanta Petroleum Reduction Program Contact: Jeff Photakis Energy Systems Group (404) 370-2819 jphotakis@energysystemsgroup.com Feedstock: Municipal Solid Waste Vehicles Fueled: 70 sanitation vehicles (with goal to adapt entire ...
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Chances for Bio-LNG
Abstract An increasing effort is put into the utilization of organic waste streams in anaerobic digesters, producing useful products such as fertilizers and biogas. It becomes increasingly attractive to upgrade biogas to natural gas quality and consequently liquefy the gas to Bio-LNG. DMT Environmental Technology has been developing biogas treatment plants for over 25 years, closely following ...
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Portable biogas bottling plant: a practical approach for using biogas as transportation fuel in rural areas
Biogas contains about 65% methane, 30-35% carbon dioxide, traces of hydrogen sulphide and moisture. It has been observed that diesel engines get severely damaged when operated on biogas for long duration. Presence of these corrosive gases make biogas unsuitable for transportation application. By removing CO2 and trace acidic gases like H2S and moisture, biogas can be converted into natural gas ...
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