Essays about: "metals and non metals"
Showing result 16 - 20 of 60 essays containing the words metals and non metals.
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16. Topological Band Theory, An Overview
University essay from Göteborgs universitet / Institutionen för fysikAbstract : Topological insulators, superconductors and semi-metals are states of ma er with unique features such as quantized macroscopic observables and robust, gapless edge states. ese states can not be explained by standard quantum mechanics, but require also the framework of topology to be properly characterized. READ MORE
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17. Leachate-Based Biotic Ligand Model for Soil : Ecotoxicological Risk Assessment of Copper for Invertebrates, Plants, and Soil Microbial Processes
University essay from KTH/Hållbar utveckling, miljövetenskap och teknikAbstract : Environmental pollution of heavy metals has become an increasing problem. Environmental risk assessments can be conducted to investigate and determine the potential risk of polluted terrestrial environments. Traditionally, risk assessments are based on total soil metal concentrations on a dry weight basis. READ MORE
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18. Identifying factors that correlate with Enhanced Biological Phosphorus Removal upsets at Lundåkraverket
University essay from KTH/Hållbar utveckling, miljövetenskap och teknikAbstract : The Enhanced Biological Phosphorus Removal (EBPR) process is characterized as the most sustainable process to remove phosphorus from wastewater albeit with high variability in performance efficiency. Thus, unpredictable upsets in the EBPR system is the norm across several wastewater treatment plants throughout Sweden, forcing the hand of the operators to dose higher volume of chemicals to reach the effluent requirements. READ MORE
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19. Scrubbing of sulfur dioxide from secondary process gases in a copper smelter
University essay from KTH/KemiteknikAbstract : Processindustrin är den största källan för utsläpp av svaveldioxid (SO2) i Sverige, vilket även inkluderar ickejärnmetallindustrin. Kopparsmältverket Boliden Rönnskär har ett miljötillstånd som tillåter SO2-utsläpp på maximalt 3500 ton/år, en gräns som Rönnskär har legat nära under de senaste åren. READ MORE
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20. Cellulose nanocrystals functionalized cellulose acetate electrospun membranes for adsorption and separation of nanosized particles
University essay from Luleå tekniska universitet/MaterialvetenskapAbstract : Filtration and separation technologies remain as one of the biggest challenges humanity currently faces. The separation of different elements such as bacteria, viruses, heavy metals, particles, and chemical agents require the development of multifunctional membranes. READ MORE