Essays about: "hygienization"

Found 5 essays containing the word hygienization.

1. 1. Thermophilic anaerobic digestion of municipal wastewater sludges: A pilot scale evaluation with model assistance

   University essay from KTH/Kemiteknik

   Author : Ted Lundwall; [2021]
   Keywords : Thermophilic anaerobic digestion; Pilot; Municipal wastewater; Biogas; ADM1; Termofil rötning; Pilot; Kommunalt avloppsvatten; Biogas; ADM1;

   Abstract : I takt med att städerna växer ökar belastningen på de kommunala avloppsreningsverken. Käppalaförbundet förutspår att antalet anslutna personekvivalenter till Käppalaverket kommer att öka med över 160 % under de kommande tre decennierna. En ökad belastning leder till en större mängd slam som måste behandlas. READ MORE

3. 2. Investigation and Optimization of Small-Scale Fecal Management : As a product from dry toilet solutions in off-grid Swedish holiday homes

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : ELLEN DANIELSSON; CHRISTOPHER LEKSTRÖM; [2021]
   Keywords : Latrine compost; Feces; Composting process; Product development; Prototyping; Product design; User-centered design; Human-centered design; Circular economy; System investigation; Sustainable development; Latrinkompost; Fekalier; Komposteringsprocess; Produktutveckling; Prototyp; Produktdesign; Användarcentrerad design; Cirkulär ekonomi; Systemundersökning; Hållbar utveckling;

   Abstract : In off-grid holiday homes, alternative toilet solutions are needed. There is a wide range of dry toilet systems, where urine-diverting systems and incineration toilets are common solutions. Urine-diverting dry toilets require that users need to manage generated fecal fractions. READ MORE

4. 3. Modeling and simulation of existing biogas plants with SIMBA#Biogas

   University essay from Linköpings universitet/Teknisk biologi

   Author : Jonas Karlsson; [2017]
   Keywords : Biogas; SIMBA#Biogas; Anaerobic digestion;

   Abstract : The main purpose of this project was an attempt to modulate and simulate two existing biogas plant, situated in Lidköping and Katrineholm, Sweden and evaluate how the process reacts to certain conditions regarding feeding, layout and substrate mixture. The main goal was to optimize the existing processes to better performance. READ MORE

5. 4. The effects of trace elements on the microbial communities of thermophilic biogas production

   University essay from SLU/Dept. of Microbiology

   Author : Robin Hagblom; [2016]
   Keywords : biogas; thermophilic; trace elements; ammonia; SAO; fhs;

   Abstract : The increasing need for alternatives to fossil fuels and traditional waste management systems can be simultaneously addressed by the production of biogas using organic waste as input material. The biogas produced can be used directly for energy production or upgraded to increase methane purity for use in the engines of motor vehicles. READ MORE

6. 5. A Social Ekonomic Study of a Small-Scale Biogas Facility. : Designing and construction for a single household for the production of biogas from easily accessible substrates such as human faeces, household waste, garden waste and manure.

   University essay from Karlstads universitet/Institutionen för ingenjörs- och kemivetenskaper

   Author : Viktor Nygren; [2013]
   Keywords : biogas; substrate; small-scale; firewood; hygienization; socio-economic; ;

   Abstract : Increased access to energy is a key factor to reduce poverty and to gain increased development and prosperity. Access to energy is not equally distributed globally. On average a Swedish person consumes more energy than 12 individuals in Tanzania. The Msambara village arose in the 1930s. READ MORE