Essays about: "Lakning"

Showing result 1 - 5 of 10 essays containing the word Lakning.

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. Long-Term Impact of Drought on AcidSulfate Soil Leaching, a Study of NineCatchment Areas in Sweden and Finland

   University essay from Uppsala universitet/Luft-, vatten- och landskapslära

   Author : Emilie Åström; [2022]
   Keywords : acid sulfate soil; hydrological drought; water chemistry; metal leaching; sulfate concentration; sur sulfatjord; hydrologisk torka; vattenkemi; metallurlakning; sulfatkoncentration;

   Abstract : Sediments rich in sulfide were deposited in the Littorina sea in an environment that was shallow, anoxic,and reductive. The sediments were brought above sea level by isostatic uplift and can now be foundalong the coast of the Baltic sea. READ MORE

4. 3. Critical elements scavenged by secondary gypsum and HFO : Determined by sequential extraction combined with mineralogical studies

   University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

   Author : Emma Flodin; [2022]
   Keywords : Geochemistry; gypsum; HFO; adsorption; scavenged; critical elements; beryllium; Yxsjöberg; mine waste; Sequential extraction; XRD; SEM-EDS;

   Abstract : The demand for metals is great for the purpose of developing green technologies, and EU has listed 30 metals and minerals that are of critical importance for the maintenance and evolving of today’s society, so called critical materials. However, mining of raw materials generates mine waste which can have adverse effect on human health, ecosystems, and surrounding areas. READ MORE

5. 4. Selective recovery of lithium from thermally pretreated Li-ion batteries by the leaching process

   University essay from KTH/Kemiteknik

   Author : Srija Balachandran; [2020]
   Keywords : Electric vehicles; Li-ion batteries; a combined method of recycling; pyrolysis; incineration; water leaching; Elektriska fordon; Li-ion-batterier; en kombinerad metod för återvinning; pyrolys; förbränning; vattenlakning;

   Abstract : LIBs have become an ideal choice in the EVs batteries and stationary storage applications due to their invaluable advantages. The demand for LIBs is projected to increase due to the growth in the sale of EVs. READ MORE

6. 5. Leaching of Glass Waste – Structure and Humidity Cell Tests

   University essay from Uppsala universitet/Institutionen för geovetenskaper

   Author : Elin Sandgren; [2019]
   Keywords : Glass structure; glass leaching; glass modifiers; humidity cell test; saturation index; arsenic; lead.; Glasstruktur; lakning av glas; glasmodifierare; fuktkammarförsök; mättnadsindex; arsenik; bly.;

   Abstract : Glass production has historically occurred at around 50 glassworks in Sweden, in a region known as the Kingdom of Crystals (Glasriket). Today, most of these sites are no longer active and left behind is glass waste of different forms (both as fragments of finished glass as well as unrefined glass melts). READ MORE