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Sökning: id:"swepub:oai:slubar.slu.se:86566" > Combustion characte...

  • Bozaghian, MarjanSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Skogens biomaterial och teknologi,Department of Forest Biomaterials and Technology (författare)

Combustion characteristics of barley straw stored with CaCO3 during fluidized bed combustion using quartz and olivine as bed materials

  • Artikel/kapitelEngelska2017

Förlag, utgivningsår, omfång ...

  • 2017
  • ,2024

Nummerbeteckningar

  • LIBRIS-ID:oai:slubar.slu.se:86566
  • https://res.slu.se/id/publ/86566URI

Kompletterande språkuppgifter

  • Språk:engelska

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  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:kon swepub-publicationtype

Anmärkningar

  • In order to achieve a continuous feedstock supply for power plants a large quantity of harvested material must be stored for long-term periods. During storage, especially during right conditions of temperature, moisture and oxygen, solid agricultural fuels are susceptible to microbial activities. Microbial respiration not only leads to loss of organic carbon, but also to an increased temperature in the stored fuel which may lead to self-ignition. There is on-going work studying the effect of adding Ca as CaO or CaCO3 during storage of straw with the aim of creating an unfavorable alkaline microenvironment that prevents microbial growth during storage. The effect of this amendment during storage is still being explored, but the effect in the combustion step of the process in terms of determining the potential of Ca-additives to positively affect overall ash chemistry have yet to be certainly quantified. Utilization of agricultural crops for energy purposes in heat and power plants has proven to be challenging in numerous ways. Compared to woody fuels, agricultural fuels can cause severe ash-related operational problems in combined heat and power plants through by fouling, slagging and/or bed agglomeration due to their high concentrations of inorganic constituents. The objective of the present study is therefore to determine the fouling and bed agglomeration characteristics during fluidized-bed combustion of barley straw stored with different dosages of Ca to biomass with the main ash-forming elements shown in Figure 1, using two types of bed materials, quartz and olivine.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Larsson, SylviaUniversity of British Columbia(Swepub:slu)50852 (författare)
  • Xiong, ShaojunSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Skogens biomaterial och teknologi,Department of Forest Biomaterials and Technology(Swepub:slu)50653 (författare)
  • Sveriges lantbruksuniversitetSkogens biomaterial och teknologi (creator_code:org_t)
  • Sveriges lantbruksuniversitet

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