Essays about: "Pb"
Showing result 6 - 10 of 212 essays containing the word Pb.
-
6. Pyrolysis of Municipal Sewage Sludge to get a phosphorus rich char residue for soil improvement
University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomiAbstract : Sewage sludge is a byproduct of wastewater treatment plants. It is a kind of waste. however, it contains several valuable nutrients like phosphorous and nitrogen that are used to rich the soil as a fertilizer compound. READ MORE
-
7. Thermodynamic modelling of the copper-zinc-tin ternary system : A study towards lead-free brass
University essay from KTH/MaterialvetenskapAbstract : Lead (Pb) is frequently used as an alloying element in brass to enhance machinability and castability. However, this element poses a significant risk to human health and the environment. The 2021 revision of the Drinking Water Directive imposed stricter limits on Pb content in brass, encouraging the development of lead-free brass. READ MORE
-
8. Communicating Participatory Budgeting : Insights from Makueni County in Kenya
University essay from Malmö universitet/Institutionen för konst, kultur och kommunikation (K3)Abstract : Kenya's 2010 Constitution marked a significant shift towards decentralised governance and public participation as key drivers of sustainable development (Finch and Omolo, 2015). One of the primary strategies county governments employ to achieve this goal is participatory budgeting (PB), which empowers communities and devolves power to support inclusive and equitable development. READ MORE
-
9. Application of electrodes with redox mechanisms for the desalination of water
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : Capacitive deionization is a promising technology for purification and desalination of brackish water with great advantages over current technologies due to its low operating cost and high-water recovery ratio. Most of the system studied relies on the adsorption/desorption capacity of activated carbon electrodes due to its high surface area. READ MORE
-
10. Historical mining of Fe-Ca ore in Garpenberg, Sweden. : A study based on lake sediment geochemistry from Finnhytte-dammsjön.
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : It is well established that mining and metallurgy on a larger scale in Sweden originated in Bergslagen. The historical mining district Garpenberg in Bergslagen presently show the oldest signs of mining in Sweden (2300 BP) based on a study of a lake sediment profile from Gruvsjön. READ MORE