Essays about: "förnyelsebar"

Showing result 1 - 5 of 6 essays containing the word förnyelsebar.

  1. 1. Continuous leaching of phosphorus from sewage sludge ash

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

    Author : Sofie Göransson; [2022]
    Keywords : Ash leaching; Continuous stirred tank reactor; CSTR; Phosphorus recovery; Sewage sludge ash;

    Abstract : The global demand for food is increasing. Different nutrients are used to increase growth in agriculture and are thus essential for the world ́s food supply. An important and common nutrient is phosphorus. It can be mined, in the form of phosphate, from phosphate rock. READ MORE

  3. 2. The blue-end of the spectrum of plastics : A step toward understanding the role of blue biopolymers in phasing out fossil plastics

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Alice Rudberg; [2021]
    Keywords : plastics; polymers; bioblends; bioplastic; biopolymer; renewable; biodegradable; biobased; algae; seaweed; blue plastics; blue biopolymers; blue growth; Plaster; polymerer; bioplast; biopolymer; förnyelsebar; nedbrytbar; komposterbar; biobaserad; alger; sjögräs; algplast; algpolymerer; blue growth;

    Abstract : For more than a century, plastics have become an increasingly important part of the human society. Thanks to the durability and the many varieties of plastic it has a wide range of applications, but unfortunately the traditional plastic made from fossil oil has its drawbacks. READ MORE

  4. 3. The complex necessity : A qualitative study exploring the current process for grid connection of large-scale onshore wind farms in Sweden

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Anna Kuhlefelt; [2020]
    Keywords : Wind power; network operator; developer; concession; permit; regional; national; transmission; DSO; TSO; Anslutning; elnät; parallella processer; tillståndsprocesser; kapacitet; regionnät; transmissionsnät; vindkraftsprojektör; elnätsägare;

    Abstract : Sweden has a goal of having an electricity production solemnly comprising renewable energy sources by the year 2040. To cater for the fulfillment of this goal, more onshore wind power will be needed in Sweden. READ MORE

  5. 4. Base cations in forest soils : A pilot project to evaluate different extraction methods

    University essay from

    Author : Jonas Olofsson; [2016]
    Keywords : Acidification; whole tree harvest; stem harvest; forestry; base cations; extractions; Aqua Regia; BaCl2; NH4OAc; EDTA; comparison; calcium; magnesium; potassium; sodium; Försurning; baskatjoner; extraktioner; Aqua Regia; BaCl2; NH4OAc; EDTA; helträdsuttag; kalcium; magnesium; kalium; natrium;

    Abstract : The acidification has been a known problem in Sweden for several decades. Sulphurous compounds, spread from the British Isles and the European continent led to a decrease in the pH-value of the rain that fell over Sweden. Since the acidification was discovered in the 1960s, active measures against the sulphurous deposition have been undertaken. READ MORE

  6. 5. Selection of DC Voltage ControllingStation in an HVDC Grid

    University essay from KTH/Industriella informations- och styrsystem

    Author : Arvind Muthukrishnan; [2015]
    Keywords : ;

    Abstract : In the recent power system expansion driven by growing energy demand, more attention is beingput towards integration of large-scale renewable resources. The HVDC transmission system on topof, or in complement to, existing AC power has been considered as a relevant solution for integratingremote energy resources as well as cross-border power trading. READ MORE