Essays about: "sulfuric acid"

Showing result 11 - 15 of 28 essays containing the words sulfuric acid.

  1. 11. Acid retardation : recovery and recycling of acid and metal

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Cecilia Bood; [2020]
    Keywords : Acid retardation; Ion exchange; Pickling; Stainless steel;

    Abstract : During the production of steel, an oxide scale is formed on the surface and to achieve anadequate quality of the surface the scale needs to be removed. Acid pickling is a surfacetreatment where the oxide scale is removed by acid. READ MORE

  3. 12. Secondary aerosol formation from dimethyl sulfide - Smog chamber experiments and detailed process modelling

    University essay from Lunds universitet/Kärnfysik; Lunds universitet/Fysiska institutionen

    Author : Dana Lüdemann; [2020]
    Keywords : aerosol modelling; atmospheric physics and chemistry; marine aerosols; ADCHAM; aerosol; dimethyl sulfide; Physics and Astronomy;

    Abstract : The aim of this thesis was to investigate the secondary aerosol formation from dimethylsulfide (DMS) using the aerosol dynamics, gas- and particle-phase chemistry kinetic multi-layer model, ADCHAM. The first simulations, concerning the butanol oxidation via hydroxyl radicals (OH), were performed to characterize the UV-light source of the AURA smog chamber (Aarhus university, Denmark), later used for the DMS experiments. READ MORE

  4. 13. Coffee grounds as an adsorbent for heavy metals in water treatment : Study based on the environment around Vattenriket, Kristianstad

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Johan Matson; [2020]
    Keywords : Acid sulfate soil; ASS; Adsorption; calcium; coffee residues; exhausted coffee; grounded coffee; pH; total organic carbon; TOC; Vattenriket; Kristianstad; pH; zinc.;

    Abstract : One of the modern times worst environmental problem are polluted water resources. An example of source of pollution to water resources are, heavy metal leached from acid sulfate soils (ASS). READ MORE

  5. 14. Tuned sustainable anodic coatings for reduced ice adhesion

    University essay from Linköpings universitet/Molekylär ytfysik och nanovetenskap

    Author : Thirza Poot; [2019]
    Keywords : aluminum alloys; tartaric-sulfuric acid anodizing; ice adhesion; silanization; hydrothermal sealing; contact angle; SEM; corrosion;

    Abstract : Aluminum alloys are widely used materials in the aircraft industry due to their high specific strength and durability. The natural corrosion resistance of aluminum can be improved through an electrochemical anodizing process. READ MORE

  6. 15. Study of leaching behavior of tin in Zinc-clinker and Mixed Oxide

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Olle Bertilsson; [2018]
    Keywords : Leaching; tin; Sn; Zn-clinker; Mixed Oxide; sulfuric acid; Zn; residue; H2SO4; Boliden;

    Abstract : Due to the increasing usage of Sn in different electronics, such as solders and in touchscreens, together with Boliden Rönnskärs increased intake of electronic waste as a secondaryraw material, a Zn-containing product called Zn-clinker has increasing amounts of Sn. TheZn-clinker is shipped to Boliden Zn-smelter in Odda, where the Zn-clinker is mixed in withcalcine (roasted concentrate) and leached in several steps. READ MORE