Essays about: "trace metals"

Showing result 1 - 5 of 35 essays containing the words trace metals.

  1. 1. WASTEWATER REUSE FOR IRRIGATION : Investigation of heavy metals and pharmaceuticals impact on crop irrigation

    University essay from Mälardalens universitet/Akademin för ekonomi, samhälle och teknik

    Author : Abusah Paschal; [2023]
    Keywords : treated wastewater; sewage farms; wastewater treatment plant; freshwater; systematic literature review; contaminants; salinity; carbon content; plant yield;

    Abstract : The use of treated wastewater (TWW) for crop irrigation is how many governments are looking to feed their large population due to urbanisation. Here, we outline and analyse the benefits of using TWW and the drawbacks of such practices in line with existing regulations. READ MORE

  3. 2. 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

  4. 3. Determination of bio-accessible amounts of metal trace elements in baby food using In vitro artificial digestion

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Marcus Andersson; [2022]
    Keywords : Food; toxic metals; children; bio-accumulation; artificial digestion; ICP-MS;

    Abstract : Prefabricated baby food is under strict EU legislation by Commission Regulation (EC) 1881/2006 Setting maximum levels for certain contaminants in foodstuffs regarding the maximum allowed content of potentially harmful elements. For potentially toxic trace elements the regulated maximum content is regulated for lead, cadmium, mercury, inorganic tin, inorganic arsenic, cesium, copper and manganese. READ MORE

  5. 4. Geochemical Study of Trace and Critical Elements in Chalcopyrite and Pyrite from the Assarel Porphyry-Cu-Au Deposit, Bulgaria

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Liz Lobo; [2022]
    Keywords : Citical metals; Trace elements; Cu-Au porphyry deposit; Orexplore GeoCore X10; LA-ICP-MS.;

    Abstract : .... READ MORE

  6. 5. Variations in material properties of grey cast iron and its impact on tool wear

    University essay from Lunds universitet/Industriell Produktion

    Author : Andreas Söderholm; [2021]
    Keywords : Grey cast iron; hard inclusions; tool wear; machinability; graphite structure.; Technology and Engineering;

    Abstract : Among cast materials, grey cast iron and ductile iron makes up about three quarters of all cast parts. This makes the manufacturing and machining of grey cast iron an important economical factor for the automotive industry. READ MORE