Essays about: "the process in digestion"

Showing result 1 - 5 of 134 essays containing the words the process in digestion.

  1. 1. Towards Water Resource Recovery Facilities : Environmentally Extended Techno-Economic Assessment of Emerging Sewage Sludge Management Technologies in Sweden

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Harry Tibbetts; [2023]
    Keywords : Circular Economy; Waste Valorisation; Systems Analysis; LCA; MFA; EFA; TEA; Hydrothermal Carbonisation; Cirkulär ekonomi; Waste Valorisation; Systems Analysis; LCA; MFA; EFA; TEA; Hydrotermal Carbonization;

    Abstract : Municipal sewage sludge (MSS) management varies widely between countries and legislative regimes. Within the European directive for sewage treatment France applies over half of MSS to arable land, while The Netherlands has banned the practice (Kelessidis et al, 2012). READ MORE

  3. 2. Pyrolysis of Municipal Sewage Sludge to get a phosphorus rich char residue for soil improvement

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

    Author : Shahin Shamim; [2023]
    Keywords : Sewage Sludge-Phosphorus-Pyrolysis- Heavy metals; Cadmium; Lead; Nickle; Copper; Chromium; Zinc; Biochar; Heating value; Fertilizer- Thermal conversion;

    Abstract : Sewage sludge is a byproduct of wastewater treatment plants. It is a kind of waste. however, it contains several valuable nutrients like phosphorous and nitrogen that are used to rich the soil as a fertilizer compound. READ MORE

  4. 3. Biogas production with Sargassum algae in Grenada : Optimization of process and market analysis

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Wed Al-Lami; Sofia Herjevik; [2023]
    Keywords : Sargassum algae; biogas; anaerobic digestion; bioenergy; Sargassotång; biogas; anaerobisk nedbrytning; bioenergi;

    Abstract : This study has been carried out within the framework of the Minor Field Studies ScholarshipProgramme (MFS), which is funded by the Swedish International Development Cooperation Agency,Sida. The field study was conducted in Grenada in the spring of 2023. READ MORE

  5. 4. 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

  6. 5. 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