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Climate impact of biogas and recycled fertilizers production : case : Gasum Oy
(2022)
This Master's thesis was done as a commission of Gasum Oy. The study examined the climate impact of biogas and recycled fertilizers production at Gasum's Lohja biogas plant and compared it to the climate impact of alternative ...
Biokaasun nykytilaselvitys ja tulevaisuus Etelä-Savossa
(2022)
Tämä diplomityö on tutkimus biokaasun tuottamisen ja käytön nykytilasta sekä tulevaisuudesta Etelä-Savossa. Lisäksi tutkimuksen tavoitteena on arvioida biokaasutoimialaa koskevan ohjelmatyön merkitystä sekä tehdä arvio ...
Valorising organic waste streams from food value chain by anaerobic digestion
(2023)
The purpose of this thesis is to increase understanding related organic waste and residue streams and their valorisation potential throughout the food value chain. Food value chain consists of large amount of organic ...
Technical and legal requirements of a methane distribution system
(2023)
This master’s thesis was done for Sauter-Biogas Finland. Goal was to examine the construction and authority process of a gas filling station, starting with the building permit and ending with post-inspections of the finished ...
Fossil free energy source options for air dryers : OptiDry Twin
(2023)
This master’s thesis is a study into the fossil free energy options available for an impingement dryer, OptiDry Twin. The dryer is currently operated with an integrated natural gas burner, which heats up the air. The 350-400 ...
Terpenes in biogas plant digesting biowaste from circular economy perspective : case: Ämmässuo biogas plant
(2024)
This thesis is done as a commission of Helsinki region’s environmental services (HSY). The main aim is to find possible solutions for current and future terpenes removal and recovery from the biogas stream of the Ämmässuo ...