Essays about: "pollutants"

Showing result 1 - 5 of 236 essays containing the word pollutants.

  1. 1. 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

  2. 2. CFD for mixing efficiency in commercial and industrial advanced air oxidation

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Johan Bergström; [2018]
    Keywords : ;

    Abstract : Ozone treatment of pollutants in air is a relatively young technology with limited literature available. To the authors knowledge no literature discussing simulations of commercial ozone treatment without UV-lamps in gas phase has been published up to this point. READ MORE

  3. 3. Recirkulering av restprodukter och gynnande av arbuskulär mykorrhiza : två möjliga faktorer i strävan mot ett hållbart fosfornyttjande?

    University essay from SLU/Department of Biosystems and Technology (from 130101)

    Author : Karl-Johan Fabo; [2018]
    Keywords : mykorrhiza; arbuskulär mykorrhiza; fosfor; fosforbrist; växtnäring; kretsloppsprodukter; restprodukter; tungmetaller; organiska föroreningar;

    Abstract : Låg förekomst av växttillgänglig fosfor är en begränsande faktor för grödors tillväxt på många odlingsmarker. Under det senaste århundrandet har odlare i allt högre utsträckning kommit att använda mineralgödsel för att kunna erhålla tillräckligt stora skördar. READ MORE

  4. 4. Filter Materials for Sorption of Cu and Zn in Stormwater Treatment: A Batch Equilibrium and Kinetic study

    University essay from Luleå tekniska universitet/Arkitektur och vatten

    Author : Per-Albin Norman; [2018]
    Keywords : Stormwater; Treatment; Metals; Sorbents; Batch equilibrium test; Isotherms; Kinetic test; Catch basin inserts;

    Abstract : Urban stormwater is today recognized as a significant source of pollution that has contributed to the deterioration of water quality in lakes and streams. Of the pollutants, metals are commonly occurring in stormwater and can cause major damage when released into the receiving waters. READ MORE

  5. 5. Environmental pollution and fiscal decentralization. On the role of institutions.

    University essay from Lunds universitet/Nationalekonomiska institutionen

    Author : Alfred Romero Molina; [2018]
    Keywords : Environmental pollution; fiscal decentralization; institutions; race to the top; race to the bottom; GMM estimator.; Business and Economics;

    Abstract : Previous research in the field of Environmental Federalism has not reached an agreement on whether fiscal decentralization leads to an increase in environmental pollution, i.e. a race to the bottom, or decrease in it, i.e. READ MORE