Essays about: "biosludge"

Showing result 1 - 5 of 8 essays containing the word biosludge.

  1. 1. Integration of hydrothermal processes on a forest-based biorefinery site

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

    Author : Linnea Häreskog; [2018]
    Keywords : hydrothermal carbonization; HTC; integration; biorefinery; biosludge; pulp and paper industry;

    Abstract : The pulp and paper industry (PPI) is a business that produce large amounts of residues annually. Besides bark, large quantities of sludge are produced from the various parts of the industrial process. READ MORE

  3. 2. Utilization of Pulp and Paper Waste Products in the Metal Industry : Initial testing of carbon-containing waste material briquettes

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Ingrid Johansson; Walter Deltin; [2018]
    Keywords : pulp and paper waste products; recycling; biosludge; fiber reject; drop test; slag foaming with briquettes; circular materials;

    Abstract : Today, a huge part of waste products from pulp and paper industries ends up in landfill which is both economically and environmentally adversely. This report examines the possibilities of using those products as a slag foamer and fuel in different furnaces in the metal industry. The waste products contain valuable elements, especially carbon. READ MORE

  4. 3. Hydrodynamic cavitation applied to anaerobic degradation of fats, oils and greases (FOGs)

    University essay from Linköpings universitet/Tema Miljöförändring

    Author : Johan Lunnbäck; [2016]
    Keywords : FOG; Hydrodynamic cavitation; Anaerobic digestion; Pre-treatment; Oil emulsion;

    Abstract : To increase profitability for biogas production, new innovative substrates and condition of operations needs to be implemented. At the current state, fats, oils and greases (FOGs) represent a promising substrate even though it brings operational challenges to the anaerobic digestion process. READ MORE

  5. 4. Co-combustion of Industrial Biosludge and other Residual Streams in a Bubbling Fluidized Bed : Focusing on reduction of operating and technical problems by analyzing the ash transformation chemistry

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

    Author : Christian Öberg; [2016]
    Keywords : Co-combustion; biosludge; fluidized bed reactor; corrosion; nutrient recovery;

    Abstract : Today the use of resources in the industry are not complete to be considered as sustainable from the perspective of nutrient recovery. In the Swedish pulp and paper industry residual streams such as bark, fiber reject and sludge are returned for more sustainable use more frequently. READ MORE

  6. 5. The feasibility of using algae as a co-substrate for biogas production : Labpratory experiments of the co-digestion of algae and biosludge

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Lisa Arkelius; [2015]
    Keywords : Biogas; Co-digestion; Algae; Biosludge; Sustainable development;

    Abstract : Today 88 % of the world energy comes from fossil fuels. Greenhouse gas emissions are increasing and the fossil fuels energy sources will decrease at some point. Other alternatives must be found, to substitute and lower the usage of fossil fuels. Biogas is one of these other options. READ MORE