Essays about: "sludge pellets"

Found 4 essays containing the words sludge pellets.

  1. 1. Pretreatment Methods for Manganese Containing Anode Sludge

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

    Author : Johan Stenman; [2017]
    Keywords : Manganese; Zinc; Lead; Strontium; Reduction; Anode; Sludge; Slime; Metallurgy; Pyrometallurgy; Chamber; Rotary; Furnace; Agglomeration;

    Abstract : This master thesis work examines whether it is possible to separate lead from an electrolytic sludge rich in manganese using pyrometallurgical treatment, and also attempts to determine the optimum process parameters for such a treatment. It also includes a theoretical study of the possible applications for lead and manganese, as well as thermodynamic calculations predicting the behaviour of the material at increasing temperatures. READ MORE

  3. 2. Slam – en outnyttjad resurs i skogsbruket

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Sörhult Mikael; Högqvist Olof ; [2010]
    Keywords : Avloppsslam; Gödsling; Kväve; Slampellets; Miljö;

    Abstract : Every year about 210 000 tones dry weight of sewage sludge is produced in Sweden. Most of the sludge is applied to agricultural land, plantsoil and landfill cover. Sewage sludge contains essential nutrients such as nitrogen and phosphorus. READ MORE

  4. 3. Energy flow survey of Ljusdals municipality

    University essay from Institutionen för teknik och byggd miljö

    Author : Thomas Fredlund; Salahedin Shoshtari; [2008]
    Keywords : Energy flow survey Ljusdal municipality; Energiflödesanalys Ljusdal kommun;

    Abstract : The aim of this project is to make an energy flow survey of Ljusdal’s municipality. The reason for the energy flow survey is to discover possibilities to utilize and refine the energy resources locally, and use the information from this survey as a base for further discussions about the energy situation in Ljusdal’s municipality. READ MORE

  5. 4. Growth responses in Swedish boreal coniferous forests after addition of nitrogen as sewage sludge pellets

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Maija Kovanen; [2007]
    Keywords : basal area; growth response; nitrogen fertilization; pinus sylvestris; sludge pellets;

    Abstract : Every year, large amounts of municipal sewage sludge are produced worldwide. Most of the sludge ends up on landfills, garbage dumps and incineration plants, and only small part is utilized as a fertilizer in agriculture and forestry. Sewage sludge contains a lot of nutrients, especially nitrogen. READ MORE