Essays about: "Sulfur poisoning"

Found 4 essays containing the words Sulfur poisoning.

  1. 1. Sulfur poisoning and regeneration of copper zeolites for NH3-SCR : Effect of SO2/SO3 ratio

    University essay from Luleå tekniska universitet/Kemiteknik

    Author : Åsa Högström; [2018]
    Keywords : Cu-zeolites; Ammonia-SCR; Sulfur poisoning; Regeneration; Kinetic model;

    Abstract : The road transportation is a big source for the release of NOx emissions. NOx has been confirmed to cause negative affect on the air-quality especially in the urban areas, there are therefore regulations for allowed released amount from vehicles. READ MORE

  3. 2. Sulfur tolerance of SCR catalysts : Development of a lab testing method

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Cornelia Lantto; [2017]
    Keywords : ;

    Abstract : NOx emissions from diesel vehicles are a currently well-discussed matter due to the related health and environmental issues. At the same time, diesel vehicles are an important part of transportation in society as diesel engines are more fuel efficient than gasoline engines. READ MORE

  4. 3. Evaluation of Non-Noble Metal Catalysts for CO Oxidation

    University essay from KTH/Skolan för kemivetenskap (CHE)

    Author : Daniel Jonsson; [2016]
    Keywords : CO oxidation; sulfur; deactivation; catalysis; CuO;

    Abstract : The aim of the study is to evaluate the ability of non-noble metal catalysts to function as the commercially used noble metal catalyst. The exhaust gas that was used in the project is generated from a heater developed by ReformTech AB with diesel as fuel. The compound that was focused on is carbon monoxide that has a concentration of 300-750 ppm. READ MORE

  5. 4. The effect of additional nitrate and sulfur in the diet on the methane production in cattle

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

    Author : Karolin Bäckman; [2012]
    Keywords : Ruminant; Nitrate; Sulphate; Sulfur; Methane; Methane emission; Methane mitigation;

    Abstract : A growing population together with a change in food habits to a more diverse diet containing more animal products such as meat and milk makes the possibility to produce and sell products of cattle a growing market. And at the same time there is an ongoing debate about global warming, where raising cattle is questioned due to their high production of enteric methane. READ MORE