Essays about: "Chemical components"

Showing result 21 - 25 of 174 essays containing the words Chemical components.

  1. 21. Methods and Potentials of Kraft Lignin Esterification

    University essay from KTH/Fiber- och polymerteknologi

    Author : Taoran Xu; [2023]
    Keywords : Kraft lignin; acetylation; fatty acid esterification; quantitative 31P NMR; lignin nanoparticles; Kraftlignin; acetylering; fettsyreesterifiering; kvantitativ 31P NMR; lignin nanopartiklar;

    Abstract : Lignin, en av huvudkomponenterna i lignocellulosabiomassa, utgör en stor mängd av sidoströmen från massaindustrin. Lignin är aromatiska makromolekyler som förekommer i rikliga mängder i naturen och uppvisar unika antioxidant-, uv-skyddande, anti-ultravioletta, antikorrosiva och antimikrobiella egenskaper, etc. READ MORE

  3. 22. Biokol i substratblandningar : möjlighet för plantskolenäringen att minska användning av torv

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Annika Svensson; [2022]
    Keywords : biokol; substrat; vattenhållande förmåga; torr skrymdensitet; kompaktdensitet; porositet; containerodling; Air-Pot; Ulmus laevis; Fagus sylvatica fk GOTTÅSA E;

    Abstract : Genom att använda andra typer av material för substratblandningar till odling av träd och buskar i plantskolenäringen kan man minska användningen av torv. I detta självständiga arbete har olika material använts till försök för att se möjligheter till att hitta alternativ till delar i ett, ur växtens synpunkt, bra substrat. READ MORE

  4. 23. Emulsifying properties of cellulose oxalate and pectin from Norway spruce bark

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Semonti Hussain; [2022]
    Keywords : Cellulose oxalate COX ; Bark; Norway spruce; Pectin; Pickering emulsion; Pulp;

    Abstract : Nanocellulose is a sustainable material and has shown interesting properties in various applications. One such application is Pickering emulsion, where the nanocellulose stabilizes the oil and water interface. READ MORE

  5. 24. High-loaded thermophilic anaerobic digestion of mixed sewage sludge : A pilot study

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

    Author : Santiago Elejalde Bolaños; [2022]
    Keywords : thermophilic anaerobic digestion; volatile fatty acids; mixed sludge; organic loading rate; alkalinity; wastewater treatment plant; termofil rötning; flyktiga fettsyror; blandslam; organisk belastning; alkalinitet; avloppsreningsverk;

    Abstract : Municipal wastewater treatment plants (WWTP) are important infrastructural components in a society and also important for sustainability. In a WWTP the most common treatment configuration is mechanical, biological, and chemical treatment of the wastewater. READ MORE

  6. 25. Full Material Declaration - A case study on the readiness for declaring Full Material Declaration of chemical substances in components, used in finished products

    University essay from Lunds universitet/Miljövetenskaplig utbildning; Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

    Author : William Lövdahl; [2022]
    Keywords : full material disclosure; full material declaration; FMD; chemical substances in products; CiP; information flow in supply chain; chemical declaration; information flow; chemical; mapping chemical substances; tracking chemical substances; transparency in the supply chain; supplier data sharing; readiness and chemical management; chemical management; chemical disclosure; Earth and Environmental Sciences;

    Abstract : The production and use of chemicals has grown exponentially over the past 50 years. Although the knowledge of hazards and risks associated with chemicals towards humans and the environment has increased, we know frightenedly little about how dangerous these might become when part of finished products. READ MORE