Essays about: "biogas plants"

Showing result 1 - 5 of 122 essays containing the words biogas plants.

  1. 1. Wastewater Characterisation for Design and Modelling of Primary Settlers at Municipal Wastewater Treatment Plants

    University essay from Lunds universitet/Industriell elektroteknik och automation

    Author : Louise Westin; [2023]
    Keywords : Primary Settling Tank; Wastewater Treatment; Settleometer; Particle Settling Velocity Distribution; Modelling.; Technology and Engineering;

    Abstract : The primary settling tank (PST) is often one of the first treatment steps at a wastewater treatment plant (WWTP) and is the first process in the plant to remove significant amounts of suspended solids. Its role in wastewater treatment however, has oftentimes been neglected and little effort has been made to optimize and model the process. READ MORE

  3. 2. Anaerobic cellulose degrading bacteria isolated from biogas plants

    University essay from SLU/Department of Molecular Sciences

    Author : Caroline Sjöberg; [2023]
    Keywords : anaerobic bacteria; biogas; cellulose; cellobiose; VFA; enzyme activity; TRFLP;

    Abstract : Two cellulose degrading bacteria, named BCISO-4 and DC1-18-4, were isolated from samples retrieved from two large scale biogas-plants. In order to investigate and determine information regarding their growth preferences multiple tests were performed. READ MORE

  4. 3. A techno-economical analysis of a solar PV system and a feasibility study for biogas production for cooking – A case study of the Tumaini Open School in Tanzania

    University essay from Lunds universitet/Miljö- och energisystem

    Author : Martina Prpic Vucenov; Lovisa Magnusson Ericsson; [2023]
    Keywords : electricity demand; electricity services; electricity consumption; electricity load profile; micro off-grid standalone solar system; solar energy; solar optimisation; solar optimization; PV optimisation; battery optimisation; biogas; biogas plants in developing countries; clean cooking; Tabora; Tanzania; school; MFS; Minor Field Study; biofertiliser; biofertilizer; EWB-SWE; Engineers Without Boarders; SDG 3; SDG 7; Technology and Engineering;

    Abstract : Detta examensarbete är en fallstudie av Tumaini Open School för gravida studenter och studerande mödrar i Tabora, Tanzania. Genom den ideella organisationen Ingenjörer utan gränser Sverige genomförde författarna en Minor Field Study i Tanzania för att fastställa efterfrågade eltjänster, det resulterande elbehovet och den maximala dagliga effektkurvan för skolan vid fullskalig verksamhet. READ MORE

  5. 4. Profitability of optimizing biogas production in dairy farms : an experimental case study of a Swedish dairy farm´s usage of nitrogen in digestate as a nutrient resource for crop production

    University essay from SLU/Dept. of Economics

    Author : Nils Hermansson; Albin Åkerblom; [2023]
    Keywords : biogas; optimization; profitability; economic effects; organic; conventional; agriculture; dairy farms; digestate; nitrogen; biogas; optimering; lönsamhet; ekonomiska effekter; ekologiskt; konventionellt; lantbruk; mjölkgårdar; rötrester; kväve;

    Abstract : Biogas has the potential to be a contributor to sustainable energy for electricity, fuel, and heating. Because of that, there are different alternatives for biogas plants. In this study, a farm-based biogas plant for electricity production has been of interest. READ MORE

  6. 5. Investigating organic fertilisers’ ability to mineralize during the first month of plant propagation

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Sebastan Farkas; [2023]
    Keywords : organic fertilizers; sustainability; mineralisation; nitrification;

    Abstract : There are many forms of organc fertilizers produced and sold in the EU, and it can be difficult to assess which ones are the best in regards of nutrient content and the rate of mineraliztion. Two separate trials were conducted to assess the mineralization rates of three different organic fertilizers, available for private customers, on the Swedish market. READ MORE