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Sweden has a natural gas grid extending along the west coast, from Trelleborg to Stenungsund. There are also several smaller local networks where a planned natural gas pipeline from Skutskär to Hofors prompted the need for a comprehensive study. This study examines the linkages …
… material degrades within a short period in anaerobic environments. The methane gas that is formed provides a harmful contribute to the greenhouse effect, 23 times larger impact than carbon dioxide. It is therefore desirable to minimize the emissions of methane gas from …
En studie i Stockholm Gas AB:s olika kundsegments behov av information och önskade informationskanaler.
Stockholm Gas AB säljer i huvudsak två olika produkter. Den ena är stadsgas och den andra är fordonsgas. Båda produkterna skall på sikt i huvudsak ha biogas som råvara. I dagsläget är det dock så att stadsgasen till största delen består av naturgas blandad med luft.Stockholm Gas …
Biogas is a renewable energy source that is produced by anaerobic digestion of organic mate-rial. In Sweden, biogas predominately comes from sewage water sludge and landfills or from organic waste of households and industries. Small scale digestion plants at farms are …
The aim of this study was to see if an increased amount of gas could be seen in the small bowel of cats subjected to trauma and if measuring the amount of gas could be of any use in the clinical evaluation of the patient. When the peristaltic waves in the small bowel decreases …
… Stockholmsfjäder AB. The task was to develop a calculation program for gas springs. The program is going to ease the selection of gas springs for a given case of a lid that should be opened. The program is going to be used internal by sales people at Lesjöfors AB in Sweden and …
… Gryaab is Gothenburg’s water processing plant and produces about 60 GWh biogas annually with a flow around 1150 Nm3/h. Gryaab wants to research their possibilities to become independent with electrical energy and the possibilities to enrich, upgrade biogas. The use of methane …
Two different methods for measuring biogas production were used, gas meter and gasbags. The gas meters were electronic and counted each time a certain gasvolume passed through them. The gasbags collected the gas that hade passed through the gas meter until a manual measuring …
hur påverkas lantbruksföretagens ekonomi och produktionsinriktning?
… sector accounts for about 13 percent of the total load of greenhouse gas emissions from Sweden (Swedish Environmental Protection Agency, 2007). The Swedish objective to reduce the greenhouse gas emissions with 40 percentage units to the year of 2020, based upon the year of 1990 …
en potentialstudie i Biogas Öst-regionen
The demand for biogas as vehicle fuel has risen sharply and there is a great need for increased production. A possible addition of vehicle gas can be produced by upgrading landfill gas which is formed by degradation of organic waste. This thesis investigates the potential of …
Transportation of oil and gas by the Sea characterizes challenges from a safety viewpoint. In this type of transportation, different sizes of special tankers carrying oil and gas. The marine transportation of these scarce natural riches is involved with risks and hazards, which …
Kan man producera brännbar gas av biobränsle i en småskalig anläggning? Kan detta göras till en rimlig kostnad? Är det möjligt för en privatperson installera förgasningsanläggningen själv eller krävs det en fackman? Skulle man kunna göra gas av sitt trädgårdsavfall? Svaret på …
… to use the oxy-fuel technology. The technology uses O2 and re-circulated flue gasduring the combustion which results in a flue gas mainly consisting of CO2. The flue gascould then be compressed and stored without environmental effects. A problem thatfollows from the compression …
Osynkroniserade processer samt för små gasklockor hos SSAB EMEA Luleå orsakar fackling av energirik gas och andra problem som exempelvis svängande värmevärde på blandgas. Med hjälp av waveletanalys, korskorrelation och autokorrelation har dynamiken i systemet energigaser …
… The aim with the report was to perform transformer diagnosis by dissolved gas analysis on Umeå Energi AB´s power transformers and a risk assessment. The report should also contribute to longer life time for the transformers. Oil samples were taken from each transformer two …
