Essays about: "pollutants"

Showing result 1 - 5 of 242 essays containing the word pollutants.

  1. 1. Causes and impact of surface water pollution in Addis Ababa, Ethiopia

    University essay from Uppsala universitet/Institutionen för geovetenskaper; Uppsala universitet/Institutionen för geovetenskaper

    Author : Malin Eriksson; Jonathan Sigvant; [2019]
    Keywords : Akaki river; E. coli; health risk; interview study; irrigation; physico-chemical parameters; water samples; Akaki; E. coli; fysikalisk-kemiska parametrar; hälsorisker; intervjustudie; vattenprover;

    Abstract : Surface water is globally becoming more and more a scarce resource, and in Addis Ababa the capital of Ethiopia, river water quality has been degraded due to anthropological forcing for many years. Therefore, the study objective was to investigate causes and impact of surface water pollution in Kebena and Great Akaki rivers. READ MORE

  2. 2. Potential measures and improvements in energy consumptions regarding ventilations systems with heat recovery

    University essay from KTH/Byggteknik och design

    Author : Suat Uludag; Helmut Diliwi; [2019]
    Keywords : Ventilation System; System upgrade; Heat recovery; Energy consumption; Ventilationssystem; Systemuppgradering; Värmeåtervinning; Energianvändning; Energiförbrukning;

    Abstract : The ventilation system is in itself a huge necessity in our everyday life as it provides sufficient amount of fresh air to our indoor climate, while it simultaneously circulates the residing air pollutants out of the building. Although, for this to be made possible, large amounts of energy is required to be consumed, which in turn leads to an increased energy cost. READ MORE

  3. 3. Energy analysis and cost estimation of a potential On-shore Power Supply system in the Port of Gävle

    University essay from Högskolan i Gävle/Energisystem och byggnadsteknik

    Author : Juan Gutierrez Saenz; [2019]
    Keywords : On shore Power Supply; Alternative Marine Power; High Voltage Shore Connection; Shore side Power; Ship’s emissions; Marine fuel;

    Abstract : The Port of Gävle is one of the most important harbours in Sweden as far as size and freight capacity is concerned. Marine traffic is increasing greatly, thus environmental pollution as well as noise and vibrations are of major concern in port cities. READ MORE

  4. 4. THE RELATIONSHIP BETWEEN RAIL INFRASTRUCTURE AND REGIONAL DEVELOPMENT IN CHINA

    University essay from Lunds universitet/Nationalekonomiska institutionen

    Author : Sandra Postaroff; [2019]
    Keywords : Rail infrastructure; Regional development; Panel data; Multivariate approach; China; Business and Economics;

    Abstract : The regional disparities in China are increasing, at the same time as the growth moderates. In order to keep successful development in the future, China is rapidly developing the rail infrastructure, as one of the main channels to obtain a balanced regional development. READ MORE

  5. 5. Numerical Study on PollutantRemoval Performance of Island Kitchen Exhaust Devices

    University essay from KTH/Byggvetenskap

    Author : Chang Niu; [2019]
    Keywords : Range hoods; kitchen ventilation; indoor air quality; cooking; Köksfläkt; köksventilation; inomhusluftkvalitet; matlagning;

    Abstract : It is reported that cooking can generate many kinds of airborne pollutants,which pose serious threats to human health. Kitchen range-hood is themost effective and popular equipment to exhaust the airborne pollutants,including smoke and oil particle in people’s daily life. READ MORE