Essays about: "arsenic"

Showing result 1 - 5 of 108 essays containing the word arsenic.

  1. 1. Investigating the potential correlations between metal and metalloid concentrations and soil color : A Minor Field Study on the island province of Marinduque, Philippines

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Ivana Pia Saric Söderholm; Erik Readwin; [2023]
    Keywords : Marinduque; Metal and Metalloid; Nix Pro 2 Color Sensor; Philippines; Soil color; X-Ray Fluorescence XRF ; Filippinerna; Jordfärg; Marinduque; Metall och Metalloid; Nix Pro 2 Color Sensor; Röntgenfluorescens XRF ;

    Abstract : This study was carried out as a bachelor's thesis at KTH Royal Institute of Technology during the spring of 2023, investigating the correlation between the color with the concentration of various metal and metalloids (MMs) in the soil of Marinduque, The Philippines. With a history of mineral exploitation, notably copper and gold, the island has faced persistent environmental challenges, exemplified by the catastrophic waste spills in 1993 and 1996 that contaminated the Boac and Mogpog Rivers. READ MORE

  3. 2. Sargassum digestate as fertiliser in Grenada

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Lina Bengtsson; Theodor Halldin; [2023]
    Keywords : Sargassum; digestate; fertiliser; heavy metals; Sargassum; digestat; gödningsmedel; tungmetaller;

    Abstract : Surges of Sargassum have become more severe and at the time of writing the largest surge yet is set to hit the Caribbean islands, affecting tourism and marine life negatively. Tourism is Grenada’s single handedly largest economic sector, which is why it is important to research the use of Sargassum. READ MORE

  4. 3. Remediation of per- and polyfluoroalkyl substances (PFAS) in contaminated water by sorption to pine- and spruce bark

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Rebecka Ayranci Dahlberg; [2023]
    Keywords : Per- and polyfluoroalkyl substances; sorption; pine bark; spruce bark; ultra-short-chain PFAS; short-and long-chain PFAS; elemental analysis; field-test;

    Abstract : PFAS are anthropogenic substances used in many different industrial operations and products because of their unique properties. Due to their negative impact on human health and environmental bioaccumulative characteristics different authorities have addressed the issue. In Sweden the limit is4 ng/L for four different PFAS in drinking water. READ MORE

  5. 4. In situ electrokinetic remediation of soil co-contaminated with trace elements and polycyclic aromatic hydrocarbons

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Emma Heidrich; [2023]
    Keywords : polycyclic aromatic hydrocarbons; trace elements; co-contaminated soil; electrokinetic remediation; iron electrodes;

    Abstract : Sites contaminated with polycyclic aromatic hydrocarbons can be simultaneously contaminated with trace elements. Co-contaminated soil is considered a complex problem since inorganic and organic contaminants behave differently and thereby often require different remediation strategies. READ MORE

  6. 5. 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