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Biogas is a renewable fuel that can be used for electrical power, heating/cooling, and as a transport fuel. This study assessed the feasibility of using biogas to fuel buses in the city of Johannesburg, South Africa. The use of biogas for transportation delivers more financial value-adding compared to using biogas for electricity-R235/GJ for transport fuel and R111/GJ for electricity. The cultivation...
In this study, we propose a marine biomass utilization system and describe anaerobic digestion system using marine biomass and food waste. Anaerobic digestion system includes collecting biomass, anaerobic digestion, and growing vegetables. Four scenarios are presented varying the amount and the suppliers of biomass. We apply life cycle exergy analysis, which combine life cycle assessment and exergy...
Renewable Energy (RE) resources types available in Jordan are discussed and it is found that solar power is the most promising domestic resource followed by the wind power. At present, Photovoltaic (PV) and Concentrated PV (CPV) systems are wildly used in Jordan, while Concentrated Solar Power (CSP) technology is expected to take the lead in the next decade. Challenges face Jordanian energy issue...
Providing clean, efficient and reliable energy to the masses is currently the main focus of the energy market and more so for the rural areas. Sudden increase of oil prices, arranging cheap energy supply for the rural households is a challenge which should be addressed at the government and industrial levels. The paper focuses on how energy can be extracted from hybrid concentrating solar power with...
The aim of this paper is to provide a method of analysis for a technical and economic study on the installation of a cogeneration or trigeneration system in a commercial site. A case study is developed with particular reference to the economics a type of micro CHP is be considered for this application.
This study presents daily optimal operation of biomass combined heat and power (CHP) with thermal storage in a spot market. Since CHP mainly relying on environmental condition as well as spot price is fluctuating under influence of so many factors, optimal operation of CHP district heating systems is not easy to achieve. In this paper operation of medium scale biomass CHP in spot price with and with...
Many legacy infrastructures are reaching the end of their service life. The necessary replacement of this infrastructure creates an opportunity to replace them with environmental and innovative systems. In this paper, a Smart Energy Micro Grid (SEMG) simulator is developed to model thermal energy alternatives for a large Canadian university. The simulator allows real-time resource management using...
This research examines optimal operation of microgrid systems. Microgrids are disaggregated from main transmission grid. Microgrids are able to integrate distributed renewable energy, take advantage of waste heat, provide higher power reliability, reduce electricity transmission loss, and decrease greenhouse gas emissions. The study considers solar power, wind power, biomass power, gas turbine, fuel...
It is necessary to combine and integrate technologies since no single renewable energy source is sufficient to be able to stand alone. Non-grid applications will be applied as well. Because of fluctuation of wind and solar power, integration of new energy including non-grid solutions were important to offer a steady consumption of power. Proper storage and comprehensive utilization of power were needed...
In the past fifty years are we have seen more and more areas gaining access to grid electricity, from city to town to prosperous and accessible village. Then again, a large percentage of villages are electrified only on papers. In reality many of these villages have standing poles and no wires.The only immediate and economic solution to the problem of energy, requirement in village can be possible...
In times of an ageing power grid in many developed countries and large shares of non-grid-connected areas in developing countries, alternatives to the conventional power infrastructure of centralized generation and grid distributed power become ever more important. Using locally available energy carriers for micro-scale decentralized generation could provide both energy self-sufficiency and security...
Waste management systems are a non-negligible source of greenhouse gases. In particular, methane and carbon dioxide emissions occur due to the biomass residues dumped or left to decay under mainly aerobic conditions or burnt in an uncontrolled manner. A case study of straw cogeneration project in Laixi city, Shandong province of China is discussed in this paper. The project will collect straw and...
Following the European Council decision of March 2007, the European Union's common climate protection target for 2020 is a 20% reduction in GHG emissions. In order to acknowledge the related adjustments, opportunities and disadvantages for electricity generation associated with the design of energy policy goals, this paper explores different carbon mitigation policies over the next decades in the...
The total energy stored in terrestrial biomass outnumbers the annual world energy consumption by a factor of more than fifty. Being highly available, renewable and geographically dispersed, biomass can form a substantial part of future energy sources and biomass-derived energy generation can result in both CO2-neutral and stable long-term energy supply for most areas in the world. Having a relatively...
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