Essays about: "toxic elements"
Showing result 1 - 5 of 39 essays containing the words toxic elements.
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1. Wound Treatment : An overview and initial investigation of wound care and bioactive materials
University essay from Uppsala universitet/Tillämpad materialvetenskapAbstract : Wound care is a field with many treatment methods and products on the market. The healing period varies, some wounds become difficult to heal and chronic, in many cases a connection can be drawn to underlying diseases. Diabetes is a disease that could cause foot ulcers that are difficult to heal. READ MORE
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2. Pyrolysis of Municipal Sewage Sludge to get a phosphorus rich char residue for soil improvement
University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomiAbstract : Sewage sludge is a byproduct of wastewater treatment plants. It is a kind of waste. however, it contains several valuable nutrients like phosphorous and nitrogen that are used to rich the soil as a fertilizer compound. READ MORE
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3. Barium in the O horizon of soils near Sundsvall, northern Sweden : From local minerals or from anthropogenic emissions?
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : Concentrations of potentially toxic metals in surface soils are important to investigate before building new residential areas. Prior to development of a residential area in Sundsvall, northern Sweden, it was observed that barium (Ba) concentrations in the soil at the site exceeded the guideline value of 200 mg kg-1 outlined by the Swedish Environmental Protection Agency. READ MORE
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4. 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 teknikAbstract : 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
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5. Investigation of Potentially Toxic Elements in Agriculture Soil : Greenhouse and Open-field Farming in Türkiye
University essay from Linköpings universitet/Tema MiljöförändringAbstract : Greenhouse food production has intensive fertilizer practices, and it leads to contamination in the soil and food chains. This study investigated the potentially toxic elements (As, Pb, Zn, Cd, Cr, Cu, and Ni) (PTE) in agriculture soil and their bioaccumulation by dragon fruit and banana. READ MORE