Essays about: "anaerobic digestion"

Showing result 6 - 10 of 213 essays containing the words anaerobic digestion.

1. 6. A Waste of Food-Waste Bags

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Julia Bergwall; [2023]
   Keywords : Anaerobic digestion; Food waste; SPCR 120; Fruit bag; Helsingborg municipality; Waste management; Earth and Environmental Sciences;

   Abstract : It is estimated that the average Swede throws away 61 kg of food waste annually. The more food waste there is, the more food waste bags are required. Since the implementation of a tax on thin plastic bags, grocery stores have been providing fruit bags of paper as an eco-friendly alternative. READ MORE

3. 7. Using biological conversion to increase the value of short-chain fatty acids by mixed cultures

   University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

   Author : Elisabeth Beach; [2023]
   Keywords : Ethanol; Mixed culture; Volatile fatty acids; Anaerobic digestion;

   Abstract : The development of anaerobic digestion processes has gained recognition for its potential for producing volatile fatty acids alongside bio-alcohols. In addition, the fermentation process and the products produced from biological fermentation have the possibility to overcome the abundance of organic waste in our society, which is potentially immensely rich in untapped valuable potential products. READ MORE

4. 8. An Environmental (LCA) and economic assessment (LCC) of on-farm and centralized alternatives for biogas production for two Swedish farms in Götene

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Abdelali Ouakrim; [2023]
   Keywords : Life cycle assessment; LCA; life cycle costing; LCC; biogas; animal manure; biogas production; co-digestion;

   Abstract : Biogas production through anaerobic digestion is an important part towards the achievement of a bio-based and circular economy in Sweden. In fact, Swedish government proposed a strategy suggesting that biogas production should be increased from 2 TWh today to 7 TWh by 2030. READ MORE

5. 9. Biogas Potential in the North of Sweden : Inventory and Techno-Economic Assessment of Substrates for an Increased Biogas Production in Norrbotten

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Alma Fahlén Hammar; [2023]
   Keywords : Biogas; anaerobic digestion; AD; Norrland; bioenergy; fossil-free; chemical engineering; Chemistry; Technology and Engineering;

   Abstract : Great investments are planned in the north of Sweden the coming years, not the least in the county of Norrbotten where the projects collectively are referred to as the green transition due to the focus on fossil-free techniques. But to be able to secure a sustainable energy supply and reach the goal set by the member states of the European Union of a carbon dioxide neutral union in 2050 the production of alternative energy sources needs to intensify. READ MORE

6. 10. Risk Factors of Food Loss and Waste, and Life Cycle Assessment of waste management strategies in the Brazilian Leafy Vegetable Supply Chain

   University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

   Author : Nathalie Garavito; [2023]
   Keywords : Behavioural causes; carbon footprint; causal mapping; mitigation strategies; prevention; root-cause analysis; take-back agreements;

   Abstract : Food loss and waste (FLW) occurring early in the food supply chain (FSC) leads to increased resource wastage, including land, water, fertilisers, pesticides, fuel, packaging, energy, and labour. Targeting FLW prevention benefits various aspects such as food security, productivity, economic growth, climate change mitigation, resource conservation, and food waste management. READ MORE