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Showing result 1 - 5 of 22 essays matching the above criteria.

1. 1. Pulse Electric Field as a Pre-treatment Method of Wastewater Sludge prior to Anaerobic Digestion

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Milton Matilde; [2020]
   Keywords : PEF; AD; biogas yield; sludge pre-treatment; water engineering; environmental engineering; avloppsteknik; vattenförsörjningsteknik; Technology and Engineering;

   Abstract : This work analyzed the impact caused by different intensities of Pulsed Electric Fields (PEF) pre-treatment on the biogas production from small-scale anaerobic digesters of wastewater sludge under thermophilic conditions. PEF technology consists of passing the substrate through an electric field which generates a potential difference across the cells, resulting in electroporation. READ MORE

3. 2. Opportunities for the Jatuwa community biogas plant : An energy demand survey and a field site examinationMinor Field Study

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Axel Öhman; Bill Edwall; [2018]
   Keywords : Biogas; energy demand; sustainable technology; Biogas; energibehov; hållbar energi;

   Abstract : De klimatförändringar som idag orsakar allt större problem för länder i Himalayaregionen har ökat beslutsfattares medvetenhet kring konsekvenserna som de ökande temperaturerna för med sig. När människor konsumerar energi från fossila bränslekällor ökar koncentrationen av bland annat koldioxid i atmosfären vilket bidrar till den växthuseffekt som sakta värmer upp jordens klimat. READ MORE

4. 3. Small-scale biogas production in Kenya

   University essay from KTH/Energiteknik

   Author : Sofia Ekwall Sundby; Malin Söderberg; [2018]
   Keywords : ;

   Abstract : Syftet med denna kandidatexamensuppsats är att analysera de ekonomiska och tekniska aspekterna av biogasproduktion som hållbar energikälla i Kenya. Studien fokuserar på småskalig biogasproduktion på landsbygden. Biogasen produceras främst från kobajs och kycklingspillning och skall användas som bränsle vid matlagning. READ MORE

5. 4. Performance evaluation in post integrated organic Rankine cycle systems : A study on operational systems utilizing low grade heat

   University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

   Author : Jakob Lindqvist; Niklas Faber; [2018]
   Keywords : ORC; organic Rankine cycle; small scale; low grade heat; experimental; micro scale; CHP; combined heat and power; renewable energy; WHR; waste heat recovery; steady-state detection; cogeneration; performance evaluation; Coolprop;

   Abstract : Organic Rankine cycles can be integrated with district heating systems and in applications of biogas digestion. Evaluating the performance of the installations by Againity AB in Ronneby and Norrköping, Sweden, is a unique opportunity which can support the establishment of ORC technology in the waste heat recovery market, unveiling its feasibilities and limitations. READ MORE

6. 5. Building a Small Scale Anaerobic Digester in Quelimane

   University essay from KTH/Industriell ekologi

   Author : Silja Lehtinen; [2017]
   Keywords : Anaerobic digestion; small-scale; fixed-dome digester; continuously-fed; developing countries;

   Abstract : Anaerobic digestion is a process where biogas is generated from organic substance in the absence of oxygen. The most common application of the anaerobic digestion technology in developing countries is small-scale household digesters producing biogas for cooking purposes. These systems are usually fed with cattle dung or organic household waste. READ MORE