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Showing 1 to 20 of 46 for “"sulphur dioxide"”.

  1. Oxidation of sulphur dioxide inside packed towers

    CHUNG, King Sun

    lingnan Repository record

  2. Sulphur dioxide oxidation mechanism on Pt surfaces : a DFT study

    Nel, TheunisNorth-West University (South Africa)2021

    … processes utilised to produce H2, is the Hybrid Sulphur (HyS) cycle wherein sulphur dioxide (SO2) and water (H2O) is thermo-electrochemically converted into sulphuric acid (H2SO4) and H2. Platinum (Pt) has proven to be an efficient catalyst for the HyS cycle, producing a high purity of H2. …

    nwu-za Repository record

  3. Cyclic voltammetric studies of dissolved sulphur dioxide and related chemical species

    Gultom, JamahirUNSW, Sydney1990

    unsw Repository record

  4. Removal of arsenic from sulphur dioxide gases by concentrated sulphuric acid

    Lewis, BernardMassachusetts Institute of Technology1923

    Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1923.

    mit Repository record

  5. Feasibility study into accurately modelling sulphur dioxide flux in the lower atmosphere

    Pritchard, GarethUniversity of Glasgow2009

    … regulating emissions of pollutants such as sulphur and nitrogen and also to validation studies of large-scale atmospheric transport models. One such monitoring site in the UK is at Auchencorth Moss, close to Edinburgh, where routine half-hourly measurements of sulphur dioxide are made. The …

    glasgow Repository record

  6. The oxidation of sulphur dioxide in Cottrell precipitators of a contact sulphuric acid plant

    Haberstoh, Robert H., Milligan, Sydney., Roever, Paul H.Massachusetts Institute of Technology1931

    Thesis: B.S., Massachusetts Institute of Technology, Department of Chemical Engineering, 1931

    mit Repository record

  7. Attempts to prepard M-toluene sulphinic acid from M-toluene magnesium bromide and sulphur dioxide.

    Spencer, Mary AugustaBoston University1934

    Typewritten sheets in cover. Thesis (M.A.)--Boston University

    bu Repository record

  8. Deriving a rate equation for the removal of manganese from solution using a gas mixture of sulphur dioxide and oxygen

    Schulze-Messing, JacobusDepartment of Chemical Engineering2005

    The use of a sulfur dioxide - oxygen gas mixture to selectively remove manganese from other metals, such as cobalt and nickel, from leach solutions is kinetically favourable and inexpensive. However, this technology for precipitating manganese has not been used commercially, mainly due to a lack of …

    cape-town Repository record

  9. The Measurement of Atmospheric Species with Absorptions Close to the Actinic Flux Cut-Off by Active & MAX-DOAS: Chlorine Monoxide (CIO) & Sulphur Dioxide (SO2)

    Csukat, Csilla Edina2019

    The gas-phase chlorine monoxide (ClO) radical has been studied extensively for its role in catalytic stratospheric ozone depletion following the discovery of the Antarctic ozone hole in 1985. Reactive chlorine chemistry is known to occur in the troposphere as well, originating primarily from sea …

    york Repository record

  10. A national method for predicting environmental pollution

    Baverstock, Suzie JaneThe Open University1989

    … and winter and annual measures of sulphur dioxide air pollution concentrations. The research examines the relationships between these pollutant variables and a number of key demographic predictor variables. The demographic variables considered include: <br></br><br></br>- traffic …

    the-open-u Repository record

  11. The effects of changes in the UK energy demand and environmental legislation on atmospheric pollution and future options for further reductions in emissions

    Isaac, John1997

    … establishes the annual changing trends of carbon dioxide ( as carbon), sulphur dioxide , oxides of nitrogen ( as nitrogen dioxide) and black smoke .<br/><br/>Estimations of the annual mass emission of the pollutants emitted from fossil fuels were based on the product of the emission factor …

    southwales Repository record

  12. Assessment of air pollution impacts on vegetation in South Africa

    Botha, Amanda TheophilaVirginia Polytechnic Institute and State University1989

    … cultivar was used as a biomonitor of atmospheric sulphur dioxide and ozone. At one location, bio-indicator plants were simultaneously exposed in a biomonitoring network station (plant cages), open-top chambers (filtered and unfiltered), as well as in open plots. The responses of plants grown under …

    vt Repository record

  13. ΑΝΑΛΥΤΙΚΕΣ ΕΦΑΡΜΟΓΕΣ ΜΟΡΙΑΚΗΣ ΕΚΠΟΜΠΗΣ ΑΠΟ ΚΟΙΛΟΤΗΤΑ

    Γραίκας, ΝικόλαοςΕθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)1989

    … EMPHASIS IS GIVEN TO THE DETERMINATION OF SULPHUR COMPOUNDS WHICH GENERATE SULPHIDE OR HYDROGEN SULPHIDE OR SULPHUR DIOXIDE BY A CHEMICAL REACTION. THE GENERATION OF HYDROGEN SULPHIDE BY ELECTROLYSIS OF ORGANIC SULPHUR COMPOUNDS IS STUDIED. THE DETECTOR HAS BEEN COUPLED TO AN AIR-SEGMENTED …

    greece Repository record

  14. MODELLING AND NUMERICAL STUDY OF MARBLE SULPHATION IN CULTURALE HERITAGE: A RANDOM PDE-ODE SYSTEM

    ARCECI, FRANCESCAUniversità degli Studi di Milano2025

    … the literature and describing the penetration of sulphur dioxide through the pores of a calcium carbonate-based surface which reacts with a consequent formation of gypsum, a source of randomness has been introduced as a Dirichlet dynamical boundary condition, with the aim to better model the …

    milano Repository record

  15. Concentration of ozone in surface air over greater Boston

    Widen, Donald AllenMassachusetts Institute of Technology1966

    … sensor in order to remove negatively interfering sulphur dioxide. Daily ozone concentrations near the surface varied from somewhat greater than 10 to less than 1 pphm by volume. The highest concentrations occurred in late spring while the lowest concentrations occurred in the winter. Such a …

    mit Repository record

  16. Environmental Issues Associated with Crematoria: A Review

    Kuchnicki, BradCreighton University2019

    … mercury, polychlorinated dibenzofurans, and Sulphur dioxide. The data was then converted to correlate the emissions results from the crematoriums to that of hazardous waste incineration. Due to the United States limited to non-existent regulations towards the industrial process of cremation, …

    creighton Repository record

  17. ΣΥΜΒΟΛΗ ΣΤΗ ΜΕΛΕΤΗ ΤΩΝ ΙΔΙΟΤΗΤΩΝ ΔΟΜΙΚΩΝ ΦΥΣΙΚΩΝ ΛΙΘΩΝ ΤΗΣ ΕΛΛΑΔΑΣ

    Τασσογιαννόπουλος, ΑλέξανδροςΕθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)1986

    … UNDER THE INFLUENCE OF CORROSIVE GASES, CARBON DIOXIDE, SULPHUR DIOXIDE AND NITROGEN DIOXIDE, AIMING AT THE DETERMINATION OF CORROSION IN DEPTH. ALL THE RESULTS OF THE RESEARCH WERE GIVEN IN DIAGRAMMATIC AND TABULAR FORMS. ON THE BASISOF THESE RESULTS USEFUL CONCLUSIONS ARE DERIVED AND WERE MADE …

    greece Repository record

  18. Mechanisms of Action of Sulphur Containing Antioxidants

    Husbands, Michael JohnAston University1977

    … with the antioxidant chemistry of two classes of sulphur-containing antioxidants. Part A is concerned with the sulphoxide dimethylsulphinyldipropionate (DMSD) and its reaction with hydroperoxide. Its activity as a peroxide decomposer is explained in terms of catalytic activity of certain of its …

    aston Repository record

  19. Imaging of volcanic trace gases by Fabry-Perot interferometer correlation spectroscopy

    Fuchs, ChristopherUniversität Heidelberg

    … DOAS or in selectivity and sensitivity like sulphur dioxide (SO2) cameras. Throughout this thesis, a novel imaging approach based on Fabry-Perot interferometer correlation spectroscopy (FPI CS) is presented. The technique exploits the periodic transmission profile of a Fabry-Perot …

    heid-thes Repository record

  20. Modelling and Simulation of Carbon Dioxide Transportation in Pipelines: Effects of Impurities

    Peletiri, Suoton P.University of Bradford2020

    Carbon dioxide capture, transportation, and storage has been identified as the most promising way to reduce anthropogenic carbon dioxide (CO2) released into the atmosphere. Efforts made to achieve this purpose include the Paris (Climate) Accord. This agreement seeks to encourage countries to take …

    bradford Repository record

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