Search for dissertations about: "substance flows"
Showing result 6 - 10 of 19 swedish dissertations containing the words substance flows.
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6. Diffuse emissions from goods : influences on some societal end products
Abstract : End products of society (e.g. sewage sludge and incineration ashes) can be used as indicators of the use of chemicals in consumer goods. Through upstream work the sources of substances released from goods may be identified before the emissions reach the end products. READ MORE
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7. Substance Flow Analysis for Environmental Management in Local Authorities : method development and context
Abstract : This thesis deals with the use of Substance Flow Analysis (SFA) in Swedish local authorities. The tool of SFA is often claimed to be supportive of decision-making, since it provides information about sources of emissions and relates these to actors and activities in society. READ MORE
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8. Identification of Simple Structures in Complex Substance Transport Models
Abstract : Models that can predict the impact of human activities on the environment are a prerequisite for efficient environmental management. Most of the models currently in use are based on either very simple empirical relationships or very complex mathematical descriptions of the major physical, chemical, and biological processes that influence the system under consideration. READ MORE
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9. Substance flow analyses of metals and organic compounds in an urban environment : – the Stockholm example
Abstract : 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. READ MORE
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10. Environmental Assessment of Battery Systems: Critical Issues for Established and Emerging Technologies
Abstract : Energy and material flows associated with portable and industrial rechargeable batteries have been quantified in a life-cycle perspective, as guidance for development of battery systems. The study included portable batteries based on nickel-cadmium, nickel-metal hydride and lithium-ion. READ MORE