Essays about: "C N ratio"

Showing result 61 - 65 of 81 essays containing the words C N ratio.

1. 61. A Comparative Study of Swedish and Chinese Biogas Production with a Brief Economical Feasibility Analysis

   University essay from KTH/Skolan för kemivetenskap (CHE)

   Author : Alexander Olsson; [2012]
   Keywords : Biogas; Feasibility Analysis; China; Biogas Modeling; Biogas Potential;

   Abstract : This Master of Science and Engineering thesis in Chemical Engineering treats biogas production in China. The thesis is divided into two parts. The first part contains an energy potential and situation analysis of biogas in China and a comparison with the situation in Sweden. The biogas potential in China is 950-2180 TWh depending on source. READ MORE

3. 62. Optimization of the performance ofdown-draft biomass gasifier installedat National Engineering Research &Development (NERD) Centre ofSri Lanka

   University essay from KTH/Kraft- och värmeteknologi

   Author : Duleeka Gunarathne; [2012]
   Keywords : Renewable Energy; Biomass Gasification; Downdraft Gasifier;

   Abstract : Using biomass gasification to produce combustible gas is one of the promising sustainable energy optionsavailable for many countries. At present, a few small scale community based power generation systemsusing biomass gasifiers are in operation in Sri Lanka. READ MORE

4. 63. Peas as feed for dairy cows

   University essay from SLU/Dept. of Animal Nutrition and Management

   Author : David Galméus; [2012]
   Keywords : peas; dairy cows; feeding;

   Abstract : AbstractAn approaching overproduction of cereals and a future uncertain supply of non genetic modified vegetable protein feedstuffs have increased the interest in an expansion of the domestic production of protein feedstuffs in Norway. Besides rapeseed (Brassica campestris), peas (Pisum sativum) may be the most suitable crop for this purpose. READ MORE

5. 64. Optimization of Pre-hydrolysis Conditions for the Production of Biogas

   University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

   Author : Ignatius Ekwe Awasume; Abel Prince Jabakumar Sathiyaraj; [2012]
   Keywords : biogas; pre-hydrolysis; substrate; process indicators; anaerbic digestion;

   Abstract : Hydrolysis and solubilisation of organic material is known to be the rate limiting step during anaerobic digestion. In this study, the effect of pre-hydrolysis was investigated. READ MORE

6. 65. An Atom Probe Investigation of Addition of Nitrogen in Hot Work Tool Steel

   University essay from Lunds universitet/Fysiska institutionen

   Author : Arbab Rehan; [2012]
   Keywords : atom probe tomography; hot work tool steel; carbides; proxigram; iso-surface; Technology and Engineering;

   Abstract : Two different hot work tool steels, QRO 90 and QRO 80N were investigated using atom probe tomography. QRO 90 is a commercial alloy while the other QRO 80N is an experimental test alloy. The main composition of QRO 90 is 0.38C-2. READ MORE