Sökning: "fire-fighting foam"

Visar resultat 1 - 5 av 9 uppsatser innehållade orden fire-fighting foam.

1. 1. Evaluation of PFAS removal from nanofiltration membrane concentrate using foam fractionation

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för geovetenskaper

   Författare :William Stefansson; [2022]
   Nyckelord :PFAS; Aeration foam fractionation; Nanofiltration membrane; DWTP; Surfactant; PFAS; Skumfraktionering; Nanofiltration; Vattenverk; Surfaktant;

   Sammanfattning : Per- and polyfluorinated substances (PFASs) have become an urgent topic in the water treatment industry in recent years as a consequence of new scientific discoveries of the correlation between the ingestion of some PFASs and their toxicity in humans and other organisms. PFASs are synthetic compounds present in a variety of products. LÄS MER

3. 2. Per- and polyfluoroalkyl substances (PFAS) and the effect on apoptosis in early porcine embryo development in vitro

   Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Clinical Sciences

   Författare :Anna Leclercq; [2021]
   Nyckelord :apoptosis; PFAS; PFOS; PFHxS; IVF; IVP; porcine; pig; embryo; TUNEL; reproduction;

   Sammanfattning : The aim of this study was to evaluate the effects of PFHxS (perfluorohexane sulfonic acid) and PFOS (perfluorooctane sulfonic acid) on early embryo development parameters and apoptosis on day 6 post fertilization in porcine embryos. A second purpose was to evaluate, and establish, the TUNEL assay in our IVF laboratory. LÄS MER

4. 3. Utility of bark chips for removal of fluorinatedorganic compounds in water samples at a hazardouswaste management facility

   Kandidat-uppsats, Örebro universitet/Institutionen för naturvetenskap och teknik

   Författare :Maria Ekesbo; [2021]
   Nyckelord :Pine bark; PFAS; extractable organofluorine; contaminated water and sorption efficiency.;

   Sammanfattning : Per- and polyfluoroalkyl substances (PFAS) are synthetic compounds that have beenaround since 1940. They can be used in a variety of products such as fire-fighting foam,food packaging and cosmetic products. Many PFAS have potential toxic effects on bothhumans and animals which poses a problem due to their wide distribution and persistency. LÄS MER

5. 4. Utility of bark chips for removal of fluorinatedorganic compounds in water samples at a hazardouswaste management facility

   Kandidat-uppsats, Örebro universitet/Institutionen för naturvetenskap och teknik

   Författare :Maria Ekesbo; [2021]
   Nyckelord :Pine bark; PFAS; extractable organofluorine; contaminated water and sorption efficiency.;

   Sammanfattning : Per- and polyfluoroalkyl substances (PFAS) are synthetic compounds that have beenaround since 1940. They can be used in a variety of products such as fire-fighting foam, food packaging and cosmetic products. Many PFAS have potential toxic effects on both humans and animals which poses a problem due to their wide distribution and persistency. LÄS MER

7. 5. A study to understand the information gap between total organofluorine analysis and total oxidizable precursor assay on polyfluoroalkyl/perfluoroalkyl substances (PFASs)

   Kandidat-uppsats, Örebro universitet/Institutionen för naturvetenskap och teknik

   Författare :Pontus Larsson; [2018]
   Nyckelord :;

   Sammanfattning : Total oxidizable precursor (TOP) assay is an oxidation method to convert precursor compound of polyfluoroalkyl/perfluoroalkyl substances (PFASs) into measurable perfluorinated carboxylic acids (PFCAs). A previous mass balance study has shown that a loss of fluorine was observed after employing the method to convert the precursors in firefighting foams. LÄS MER