Sökning: "Water hyacinth"

Hittade 4 uppsatser innehållade orden Water hyacinth.

  1. 1. Biomass utilization for energy purposes in Kenya : Fuel characteristics and thermochemical properties

    M1-uppsats, Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Författare :Natxo García López; [2016]
    Nyckelord :Bioenergy; Countries with developing economies; Wood; Agricultural residues; Thermochemical behaviour;

    Sammanfattning : About forty percent of the world´s population, mostly inhabitants of countries with developing economies, rely on the traditional usage of biomass for energy purposes. The major negative consequences are environmental and health effects. LÄS MER

  3. 2. Biologiska behandlingsmetoder för rening av rejektvatten från biogasproduktion

    Kandidat-uppsats, Institutionen för fysik, kemi och biologi

    Författare :Niklas Jansson; [2011]
    Nyckelord :wastewater treatment; macrophytes; microalgae; nutrient uptake;

    Sammanfattning : In this literature review the characteristics of two free-floating macrophytes, water hyacinth   (Eichhornia crassipes) and duckweed (Lemna sp.), and two microalgae, Chlorella and Scenedesmus, have been examined regarding their suitability as efficient nutrient removers in the treatment of wastewater with high levels of nutrients and suspended solids from a biogas plant in Loudden. LÄS MER

  4. 3. Effects of supplements of water hyacinth and cassava hay on the performance of local "yellow" cattle fed a basal diet of rice straw

    Magister-uppsats, SLU/Dept. of Animal Nutrition and Management

    Författare :Sophal Cheat; [2010]
    Nyckelord :Cassava hay; Growth; Rice straw; Water hyacinth; Yellow cattle;

    Sammanfattning : .... LÄS MER

  5. 4. Effects of manure from water hyacinth on soil fertility and maize performance under controlled conditions in Rwanda

    Master-uppsats, SLU/Swedish Biodiversity Centre

    Författare :Freddy Rutonesha Gashamura; [2009]
    Nyckelord :Maize; manure; soil properties; water hyacinth; yield; Rwanda; invasive aquatic plants;

    Sammanfattning : The aim of the present study was to evaluate the impact of manure from water hyacinth on soil properties, maize growth and yield. The soil tested was collected from Gahororo in eastern Rwanda. The maize ZM 607 variety was selected as the test plant. A Randomized Complete Block Design with three replicates and seven treatments was established. LÄS MER