Essays about: "Emergy"

Showing result 6 - 8 of 8 essays containing the word Emergy.

1. 6. Exergy savings and exergy production in municipal wastewater treatment focus on thermodynamical concept and measurement devices.

   University essay from KTH/Mark- och vattenteknik

   Author : Pegah Piri; [2012]
   Keywords : calorimetry; emergy; exergy; Microbial Fuel Cell;

   Abstract : This report represents an overall view on thermodynamical studies of wastewater treatment plant, concepts like exergy, emergy and entropy. In addition, there has been an introduction of calorimetry. A common unit of measurement of organic contents in wastewater treatment facilities is COD. READ MORE

3. 7. Biofuel - opportunities and challenges for the poor in Cameroon : what can Cameroon learn from Brazil and South Africa?

   University essay from SLU/Dept. of Urban and Rural Development

   Author : Ayuk Remi Effanga; [2010]
   Keywords : agriculture; biofuel; Cameroon; emergy; energy; food ; land; production; renewable; rural development;

   Abstract : Ever since the shell geologist M. King Hubbert came up with his prophesy predicting the depletion of peak oil (regarded as "Hubbert peak" in the 1940s and 1950s), several countries in the world including Brazil, Sweden and the United States of America have been looking for alternative energy means with more emphasis on renewable energy such as bio-energy. READ MORE

4. 8. A method for energy analysis using electricity as basis of evaluation : applied to a Swedish nuclear power plant

   University essay from Institutionen för fysik och astronomi

   Author : Anna-Maria Carstensen; [2009]
   Keywords : ;

   Abstract : Presently the world's energy supply consists to a large extent of finite resources. Even when producing energy from “renewable” sources, fossil fuels are consumed indirectly to some extent. The dependency on limited resources motivates the comparison of energy systems with respect to efficiency in resource usage. READ MORE