Essays about: "FTIR"

Showing result 11 - 15 of 158 essays containing the word FTIR.

  1. 11. Quantitative and qualitative analysis of dyes in pulp from recycled textiles

    University essay from KTH/Fiber- och polymerteknologi

    Author : Anna Bevin; [2023]
    Keywords : Textile fibers; Dyes; Kappa number; FTIR; UV-VIS; Textilfibrer; Färgämnen; Kappatal; FTIR; UV-VIS;

    Abstract : To decrease the environmental footprint, the textile industry needs to become more circular. One company that is trying to close the textile lifecycle loop is the Swedish company Renewcell. In the Renewcell process, discarded clothes and other textile waste are turned into a dissolving pulp that can be used for production of new textiles. READ MORE

  3. 12. Integrated membrane reactor for the production of butyl butyrate starting from biomass

    University essay from KTH/Fiber- och polymerteknologi

    Author : Carlos Rubio; [2023]
    Keywords : butyl butyrate; butanol; butyric acid; membrane technology; enzymatic catalysis; butylbutyrat; butanol; smörsyra; membrane teknologi; enzymatisk katalys;

    Abstract : Efterfrågan på energi ökar snabbt, och denna trend förväntas bestå. Det råder dock ingen tvekan om att världen för närvarande befinner sig i en energikris, som är en katastrof både ekonomiskt och miljömässigt. Följaktligen är sökandet efter alternativa energikällor för att ersätta fossila bränslen absolut nödvändigt. READ MORE

  4. 13. Evaluation of the Weather Resistance of Ram-Air Kites Used in Airborne Wind Energy Systems

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Johanna Désirée Ambs; [2023]
    Keywords : Weathering Resistance; Coated Textiles; Ram-air Kite; Airborne Wind Energy;

    Abstract : Airborne Wind Energy is an emerging technology that harnesses the power of the wind by using tethered wings. Among the flying devices are ram-air wings made from coated textiles that utilize dynamic pressure to gain their shape. READ MORE

  5. 14. Microplastics in food webs- occurrence in Lake Vänern brown trout (Salmo trutta) and its main prey

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

    Author : Hanna Nordström; [2023]
    Keywords : microplastic; freshwater; fish; brown trout; mikroplast; sötvatten; fisk; öring;

    Abstract : Over the past decade, research on microplastic pollution has gained significant attention. Research regarding microplastic occurrence in freshwater fish, however is still scarce. While possible pathways have been investigated, passive transfer via ingestion of prey, and possible bioaccumulation in different organs remains relatively unstudied. READ MORE

  6. 15. Judging a loaf by its appearance : A protocol to study bread and bread-like fragments based on the study cases of Gamla Uppsala, Valsgärde, and Gnista

    University essay from Uppsala universitet/Institutionen för arkeologi och antik historia

    Author : Sara Scaglia; [2023]
    Keywords : Bread; Organic charred remains; Uppland; Experimental archaeology; Archaeobotany; Lipid analyses.; Bröd; organiska förkolnade lämningar; Uppland; experimentell arkeologi; arkeobotanik; lipidanalyser;

    Abstract : Bread is an important cultural and social marker, and it occurs in many contexts, often preserved as carbonised. However, as bread fragments are typically small and anonymous, their total value of them is not appreciated. Often bread material is grouped simply as organic and not considered. READ MORE