Search for dissertations about: "vegetable fruıt waste"
Found 5 swedish dissertations containing the words vegetable fruıt waste.
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1. Low-hanging fruit : Measures to reduce fruit and vegetable waste at supermarkets
Abstract : More than 30 percent of the food produced for human consumption is lost or wasted globally. This leads to a significant environmental impact in terms of inefficient use of natural resources, as well as economic costs and social and moral issues. READ MORE
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2. Fruit wastes to biomaterials : Development of biofilms and 3D objects in a circular economy system
Abstract : To address the current plastic pollution problem, the replacement of conventional plastics with bioplastics can be considered. Although the land use of crop cultivation for bioplastics is still negligible, there is an increasing interest in the utilisation of lignocellulosic waste products for the production of bioplastics. READ MORE
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3. Increase of Biogas Production at Wastewater Treatment Plants Addition of urban organic waste and pre-treatment of sludge
Abstract : Anaerobic digestion of organic matter results in the production of biogas, which can be used to replace fossil fuels. There is potential for increased biogas production at wastewater treatment plants by digesting urban organic waste either separately or together with the sludge. Biogas production could also be increased by sludge pre-treatment. READ MORE
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4. Empirical essays on choices under stress, preferences and consumption
Abstract : This doctoral thesis consists of four self-contained chapters on different topics in Behavioural Economics.“The Impact of Stress on Risky Choice: Preference Shifts or Noise” examines whether risk preferences shift under stress, taking into account the possibility that more mistakes are made in decision-making under stress. READ MORE
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5. Anaerobic Digestion of Solid Residues on the Bolivian Altiplano
Abstract : Anaerobic digestion and the production of biogas can provide an efficient means of meeting energy needs locally and reducing organic loading due to untreated waste material in water recipients. Furthermore, residues after anaerobic digestion may be used as a fertilizer to improve the soil in many parts of the world. READ MORE