Essays about: "Ash Analysis"

Showing result 11 - 15 of 87 essays containing the words Ash Analysis.

  1. 11. Thermochemical energy utilization of biomass in Rwanda - a screening of potential feedstocks

    University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Author : Felix Johansson Carne; [2022]
    Keywords : bioenergy; agricultural; residues; waste; agroforestry; africa; energiteknik; bioenergi; jordbruksrester; afrika; termokemisk; bränslen;

    Abstract : Traditional bioenergy practices in sub-Saharan Africa involve collecting natural forest wood and burning it in simple fireplaces for household cooking. This is actually still very common, especially in rural areas. The situation is unfortunately connected to health issues, inequality and natural forest degradation and deforestation. READ MORE

  3. 12. Exploration of ways to utilize wheat chaff through fungal substrate conversion : a base for animal feed or substrate for cultivation of edible mushrooms

    University essay from SLU/Department of Molecular Sciences

    Author : Caroline Sandberg; [2022]
    Keywords : harvest residues; chaff; oyster mushroom; agro-waste reduction; mushroom production;

    Abstract : The shift towards a more sustainable food system emphasises a need for increased circularity and valorisation of available resources. Chaff constitutes one of three main fractions obtained upon harvest of certain crops, during which it is generally discarded on the field. READ MORE

  4. 13. Phasing out peat from a co-fired 50 MWth circulating fluidized bed boiler : A theoretical sulfation potential study

    University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Author : Axel Bergstrand; [2022]
    Keywords : Peat; corrosion; fuel mixture; CFB; circulating fluidized bed; S; alkali chlorides; Sulfur; additives; combustion; fuel design; alkali related corrosion;

    Abstract : The chemical company Perstorp AB has a 50 MWth circulating fluidized bed to supply the production plant with process steam. The fuel mixture used shows a large variation with about 20 different fuel fractions that can be divided into the categories, residue wood chips, sludge, forest fuel, animal waste, industrial residues, and peat. READ MORE

  5. 14. ENVIRONMENTAL RADIOLOGICAL STUDIES OF KVARNTORPSHÖGEN Dose and Radiological Risk Assessments for Humans and Biota

    University essay from

    Author : Felicia Hultqvist; [2021-04-06]
    Keywords : Medical physics; NORM; TENORM; Shale ash; Uranium; Polonium; Radiological risk; Humans; Biota;

    Abstract : Background: The pile Kvarntorpshögen and the lakes Surpölen and Norrtorpssjön are the remains of an industry which mined and processed oil shales to extract oil during World War II. The pile mainly consists of shale ash, a waste from the production, while the lakes are nowadays water-filled mining pits. READ MORE

  6. 15. Analysis of the Stratospheric Aerosol Load After the 2019 Raikoke Eruption

    University essay from Lunds universitet/Kärnfysik; Lunds universitet/Fysiska institutionen

    Author : Felicia Carlborg; [2021]
    Keywords : Volcanic Climate Impact; Raikoke; CALIPSO; Satellite; Stratospheric Aerosols; Radiative Forcing; Aerosol Optical Depth; Physics and Astronomy;

    Abstract : The stratospheric aerosol load after the eruption of Raikoke in 2019 have been analysed with satellite data from the CALIPSO satellite. The goal was to see how much the stratospheric aerosol load increased due to the Brewer Dobson circulation, and further, how this affected the stratospheric aerosol optical depth (AOD), and the corresponding radiative forcing (RF). READ MORE