Essays about: "chromium"

Showing result 1 - 5 of 121 essays containing the word chromium.

1. 1. 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 ekonomi

   Author : Shahin Shamim; [2023]
   Keywords : Sewage Sludge-Phosphorus-Pyrolysis- Heavy metals; Cadmium; Lead; Nickle; Copper; Chromium; Zinc; Biochar; Heating value; Fertilizer- Thermal conversion;

   Abstract : 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

3. 2. Runtime of WebAssembly : A study into WebAssembly runtime

   University essay from Blekinge Tekniska Högskola/Institutionen för programvaruteknik

   Author : Adam Eriksson; [2023]
   Keywords : WebAssembly; Runtime; Native; JavaScript; Compilation; Execution;

   Abstract : WebAssembly is Assembly-like code that is created by compiling other languages into Wasm. The Wasm file can then be run on the web at near native speed. The objective of this study is to find how WebAssemblys runtime compares to JavaScript and native. The study will also see if different browsers impact WebAssembly runtime. READ MORE

4. 3. Optimization of alloys recovery in steel scrap sorting : Technological, economic and environmental considerations for a better chromium, nickel and molybdenum recovery in steel scrap

   University essay from KTH/Materialvetenskap

   Author : Simone Quintè; [2023]
   Keywords : Steel scrap sorting; stainless steel; Chromium; Nickel; Molybdenum; alloys recovery; Laser Induced Breakdown Spectroscopy; revenue modeling; CO2 emissions modeling; Stålskrot Sortering; rostfritt stål; Krom; Nickel; Molybden; återvinning av legeringar; Laserinducerad nedbrytningsspektroskopi; intäktsmodellering; Modellering av CO2-utsläpp;

   Abstract : Today’s steelmaking industry is highly dependent on steel scrap supply. In order to reduce the greenhouse gas emissions (GHGs) deriving from the steel industry, it is of utmost importance to ensure that high percentages of steel scrap are recycled, reducing the reliance on the traditional ore-based steelmaking, which is significantly more environmentally impactful. READ MORE

5. 4. Water quality improvement of highway runoff by the filter material D-Rainclean : A five-month field trial

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : William Gulding; [2023]
   Keywords : Adsorption; D-Rainclean; metal removal; Reactive filter; stormwater treatment;

   Abstract : Highway runoff and its pollutants are of growing concern. These pollutants require treatment as their concentration often are increased. A common removal method is the use of sedimentation ponds that removes particulates through gravity. READ MORE

6. 5. SFEER Hydrogen Permeation : Finding a suitable coating for the PA6 liner

   University essay from Uppsala universitet/Institutionen för materialvetenskap

   Author : Elsa Friis; Klara Karlsson; Rebecka Damgren; Emma Åkesson; Malin Johansson; [2023]
   Keywords : Hydrogen permeation; PA6; coating; hydrogen permeation barrier; polymer hydrogen permeation; permeation; protective coating; hydrogen embrittlement;

   Abstract : Water Stuff & Sun are developing a hydrogen battery based on a technology called SFEER’s. The SFEER’s are spherical high-pressure gas storage containers that are the size of a tennis ball. They consist of a carbon fiber-shell that is lined on the inside with a polymer called PA6. READ MORE