Sökning: "substance flow analysis SFA"

Visar resultat 6 - 10 av 10 avhandlingar innehållade orden substance flow analysis SFA.

1. 6. Sources and fluxes of organic contaminants in urban runoff

   Författare :Karin Björklund; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; alkylphenols; substance flow analysis; sediment; concentrations in urban matrices; urban runoff quality predictions; source identification; phthalates; stormwater; snow;

   Sammanfattning : Urban runoff quality is recognized as one of the most significant pressures on aquatic ecosystems worldwide. Research into pollutants in urban runoff has traditionally focused on nutrients, suspended solids and metals and consequently knowledge of anthropogenic organic pollutants is limited. LÄS MER

3. 7. Towards Prospective Exposure Modeling of Nanoparticles - Applying Particle Flow Analysis and Kinetic Exposure Modeling for the Cases of TiO2 and Ag Nanoparticles

   Författare :Rickard Arvidsson; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; exposure modeling; environmental risk assessment; nanoparticles; Particle flow analysis PFA ;

   Sammanfattning : The claims regarding the usefulness of nanoparticles (NPs) in different applications, such as wound dressings, solar cells and soil remediation, has been accompanied by concern that NPs may also pose risks to humans and to the environment. Considering the past century, when many substances later shown to cause unacceptable damage were manufactured in large amounts, there are reasons to thoroughly assess the risks of these NPs. LÄS MER

4. 8. Substance flow analyses of metals and organic compounds in an urban environment : – the Stockholm example

   Författare :Nina Månsson; Bo Bergbäck; Stefan Anderberg; Högskolan i Kalmar; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Environmental chemistry; Miljökemi; Miljövetenskap; Environmental Science;

   Sammanfattning : The intensified use of materials, products and goods in our time involves massive consumption of metals and organic compounds that can be released from society to the environment in the various stages of production, use and waste. Depending on the circumstances this may give rise to environmental risks, as metals in general and certain organic substances may be toxic in the short or long term. LÄS MER

5. 9. Environmental systems analysis tools for decision-making : LCA and Swedish waste management as an example

   Författare :Åsa Moberg; Göran Finnveden; Ann-Marie Tillman; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Civil engineering and architecture; Samhällsbyggnadsteknik och arkitektur;

   Sammanfattning : Decisions are made based on information of different kinds. Several tools have been developed to facilitate the inclusion of environmental aspects in decision-making on different levels. Which tool to use in a specific decision-making situation depends on the decision context. LÄS MER

7. 10. Colloidal Organic Pollutants in Road Runoff: Sources, Emissions and Effective Treatment Technologies

   Författare :Anna Markiewicz; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; organic pollutants; nanoparticles; stormwater; sorption filters; road dust; emulsions; washwater; vehicle wash; road runoff; microparticles; sweepsand; colloids; street sweeping;

   Sammanfattning : Thousands of organic substances circulate in our society and are diffusely emitted through traffic, combustion and leaching from constructions and building materials into the urban environment. The research in this PhD thesis focuses on road runoff as the highest concentrations of pollutants are frequently found in runoff from areas with high traffic intensity. LÄS MER