785 uppsatser · sida 53 av 53
Chemical stabilization of mine waste with sewage sludge and calcium carbonate residues
… regularly taken during the experiment. These samples were analyzed for pH, electrical conductivity, alkalinity, redox potential, dissolved organic carbon (DOC), sulphate and leaching metals. The effluent from the pH-stat-test was only analyzed on a few occasions and only for …
… that are common flame retardants. As from July 1st 2006, PBDE was forbidden in electric and electronic products (15). January 1st 2007, a Swedish prohibition concerning the use of BDE-209 was established. BDE- 209 is not allowed on the Swedish market if the content of substance …
… A construction based on a fully automatic design with conveyor belt powered by electric motors and a grip / centring system based on pneumatics. The packages are placed on a conveyor belt in the machine. After that a hole is punched and the packages are emptied of its contents …
… uses a relative small amount of oil and most of the people heat there house by electricity or heating pump and those are hard to compete with when it goes to economy. Although I believe that similar investments can be very profitable as long as you can find a place that has a …
… with biofuel. In this system the main carbon dioxide contribution comes from electricity for light. The cuttings cultivated in Kenya have the lowest contribution of carbon dioxide emissions. Therefore, from a carbon dioxide point of view, it is better to cultivation the mother …
