Essays about: "base metals"

Showing result 11 - 15 of 29 essays containing the words base metals.

  1. 11. De-polymerization and Purification of Kraft Lignin Utilizing the Liquid-Lignin Phase

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Martin Sundin; [2017]
    Keywords : ALPHA; SLRP; Liquid-Lignin; Lignin; Technology and Engineering;

    Abstract : The effects of global warming are apparent and the work towards a sustainable future is underway. In order to reduce the environmental impact caused by the transportation sector, a transition from fossil fuels to those based on renewable resources are important. Using agricultural land to produce raw materials, e.g. READ MORE

  3. 12. Variationer i löslighet (Kd) inom Kindla och dess beroende av pH

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Adam Eriksson; [2016]
    Keywords : Kd; fördelningskoefficient; löslighet; integrated monitoring; avrinnings område ARO ;

    Abstract : Luftvårdskonventionen antogs 1979 för att minska utsläppen av långspridda luftföroreningar. Denna konvention antogs efter det att Sverige och Norge presentera bevis under 1970-talet att försurning av vatten och skog berodde på utsläpp av föroreningar från andra länder i Europa. READ MORE

  4. 13. A Risk Assessment of Common Material Groups with Regards to their Content of Conflict Metals

    University essay from

    Author : Andreas Röckert; Holmberg Anders; Axel Nyberg; Jakob Holm Ovrén; Rebecka Lindberg; Viktor Djurberg; [2015]
    Keywords : Conflict minerals; Conflict metals; 3TG; Dodd-Frank Act section 1502; manual; functional amount; tin; Sn; tantalum; Ta; Tungsten; W; Gold; Au;

    Abstract : Trade involving tantalum, tin, tungsten and gold, summarized as "3TG", has during the last 15 years, contributed to the armed conflict in the Democratic republic of the Congo (DRC) and surrounding countries. These metals are also referred to as conflict metals or as conflict minerals. READ MORE

  5. 14. Alternative methods for the disposal of biodegradable waste: a cost analysis

    University essay from SLU/Dept. of Economics

    Author : Colin Strobant; [2015]
    Keywords : biological treatment; municipality biodegradable waste; net present value; mechanical-biological treatment; anaerobic digestion;

    Abstract : In France, recycling bins have been adopted in almost all the cities only in the late 90s. In spite of being already present in the most part of the European capitals, they were adopted in Paris only in 2001. READ MORE

  6. 15. Alteration of the Bjursås Ore Field, Oxberg, Bergslagen District, Sweden

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Tomas Lindeberg; [2015]
    Keywords : Bergslagen; Bjursås; Oxberg; alteration; base metals; VHMS; Large box plot; chemostratigraphy; Bergslagen; Bjursås; Oxberg; omvandling; basmetaller; VHMS; Large låddiagram; kemistratigrafiskt-tvärsnitt; vektorer;

    Abstract : The Bjursås ore field is located within the Bergslagen domain of central Sweden just northwest of the town of Falun. The field hosts small scale mines such as the 17th century Floberg copper mine and has been the focus of mineral exploration on several occasions during the 20th and early 21th century, with no major economic deposits being uncovered as of yet. READ MORE