Sökning: "citronsyra"

Visar resultat 1 - 5 av 13 uppsatser innehållade ordet citronsyra.

  1. 1. Livscykelanalys av avloppsreningsverk : En jämförande studie mellan MBR och aktivslammetoden

    Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

    Författare :Ella Heinonen; [2023]
    Nyckelord :Membrane bioreactor; Environmental Impacts; Construction; Sewage treatment; Membranbioreaktor; Aktivt slam; Miljöpåverkan; Vattenrening; Konstruktion;

    Sammanfattning : Avloppsreningsverk är en viktig del av vattnets kretslopp och skyddar mottagande miljö från föroreningar i avloppsvattnet. Det finns olika tekniker att rena avloppsvattnet på och denna studie jämför den potentiella miljöpåverkan från MBR och aktivslammetoden ur ett livscykelperspektiv. LÄS MER

  3. 2. A new generation ofsmart food packaging : A combination of releasing anti-microbial and generation carbon dioxide inmeat packaging

    Master-uppsats, Karlstads universitet

    Författare :samar salahieh; [2023]
    Nyckelord :adsorption isotherms; desorption kinetics; benzoic acid; thymol; modified calcium carbonate; silica gel; carbon dioxide; food pad.; adsorptionsisotermer; desorptionskinetiken; bensoesyra; tymol; modifierat kalciumkarbonat; kisel gel; koldioxid; food pad.;

    Sammanfattning : Abstract Food sustainability depends significantly on packaging since it helps maintainfood safe and fresh throughout its shelf life, resulting in the least amount ofwaste and the least negative environmental impact. The main objective of thisstudy is to determine the adsorbed and released amount of antimicrobial agents(benzoic acid and thymol) on modified calcium carbonate (MCC) by investigating adsorption isotherm at 25°C and desorption kinetics at both 22°C and5°C of anti-microbial to identify potential solutions to enhance the long-termsustainability of fresh products such as meat. LÄS MER

  4. 3. Detection of Amphetamine with Graphene Quantum Dots

    Master-uppsats, KTH/Tillämpad fysik

    Författare :Carl Fredrik Åslund; [2021]
    Nyckelord :Graphene quantum Dots; Amphetamine; Sensor; GQD; Grafen kvantprickar; Amfetamin; Sensor; GQD;

    Sammanfattning : Amphetamine abuse is an enduring problem in many developed nations, including Sweden. It causes lasting damage both to its users and in the form of increased strain on healthcare services. It is therefore critical that police be equipped with the tools necessary to rapidly and accurately identify any samples in order to combat this scourge. LÄS MER

  5. 4. Converting Poultry Feather Waste into Bioplastics using Green Modifying Agents

    Master-uppsats, Lunds universitet/Centrum för analys och syntes

    Författare :Marc Jirström; [2021]
    Nyckelord :polymer technology; materials science; renewable materials; Technology and Engineering;

    Sammanfattning : Handling of problematic waste material, and the use of fossil-based and non-biodegradable plastics are two major sustainability challenges. By developing solutions that convert waste material to bioplastics, it is possible to address both these issues. LÄS MER

  7. 5. Variation in Swedish bovine raw milk from 1995 to 2020 : focus on composition and properties

    Kandidat-uppsats, SLU/Department of Molecular Sciences

    Författare :Ylva Eriksson; [2020]
    Nyckelord :protein; fat; lactose; calcium; citrate; somatic cell count; pH;

    Sammanfattning : The composition and properties of Swedish bovine raw milk are influenced by several factors which have varied over the last 25 years. Factors influencing milk quality include: bovine breed, stage of lactation, type of feed, and climate. LÄS MER